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WO2018236745A1 - Compositions and methods for increasing efficiency of cardiac metabolism - Google Patents

Compositions and methods for increasing efficiency of cardiac metabolism Download PDF

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Publication number
WO2018236745A1
WO2018236745A1 PCT/US2018/038067 US2018038067W WO2018236745A1 WO 2018236745 A1 WO2018236745 A1 WO 2018236745A1 US 2018038067 W US2018038067 W US 2018038067W WO 2018236745 A1 WO2018236745 A1 WO 2018236745A1
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trimetazidine
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French (fr)
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Andrew Levin
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Carnot LLC
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Carnot LLC
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Priority to IL283725A priority Critical patent/IL283725B2/en
Priority to CN201880056018.XA priority patent/CN111093662B/en
Priority to CA3068254A priority patent/CA3068254A1/en
Priority to PL18821590.9T priority patent/PL3641769T3/en
Priority to JP2019571473A priority patent/JP2020527133A/en
Priority to ES18821590T priority patent/ES2919779T3/en
Priority to KR1020247029652A priority patent/KR20240135687A/en
Priority to EP22169109.0A priority patent/EP4092013A1/en
Priority to KR1020207001272A priority patent/KR102704242B1/en
Priority to AU2018289303A priority patent/AU2018289303B2/en
Priority to EP18821590.9A priority patent/EP3641769B1/en
Priority to CN202311189187.XA priority patent/CN117100751A/en
Application filed by Carnot LLC filed Critical Carnot LLC
Publication of WO2018236745A1 publication Critical patent/WO2018236745A1/en
Priority to IL271312A priority patent/IL271312B/en
Anticipated expiration legal-status Critical
Priority to JP2022193786A priority patent/JP7528181B2/en
Priority to IL308744A priority patent/IL308744B1/en
Priority to AU2023281715A priority patent/AU2023281715B2/en
Priority to JP2024118723A priority patent/JP7761717B2/en
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    • A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
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Definitions

  • A-L-C (VIII) in which A is a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation, L is a linker, and C is a NAD + precursor molecule. A may be covalently linked to L, and L may be covalently linked to C.
  • FIG. 4 is a series of graphs showing the effects of nicotinamide on extracellular acidification rate.
  • FIG. 26 is a table summarizing the effects of a combination of trimetazidine analog 2 and nicotinamide on various mitochondrial functional parameters.
  • FIG. 37 is a series of graphs showing the effects of a combination of succinate and nicotinamide on extracellular acidification rate.
  • FIG. 40 is graph of left ventricular developed pressure (LVDP) after IR.
  • FIG. 63 is a graph showing levels of CV-8814 after intravenous administration of CV- 8814 or oral administration of CV-8814.
  • FIG. 67 is a pair of graphs showing HPLC elution profiles of molecular species present in a batch of CV-8972.
  • the invention provides compositions that increase the efficiency of cardiac metabolism by concomitantly shifting cardiac metabolism from fatty acid oxidation to glucose oxidation and increasing mitochondrial respiration.
  • Glucose oxidation and fatty acid oxidation are energy- producing metabolic pathways that compete with each other for substrates.
  • glucose oxidation glucose is broken down to pyruvate via glycolysis in the cytosol of the cell. Pyruvate then enters the mitochondria, where it is converted to acetyl coenzyme A (acetyl-CoA).
  • acetyl-CoA acetyl coenzyme A
  • beta-oxidation of fatty acids which occurs in the mitochondria, two-carbon units from long-chain fatty acids are sequentially converted to acetyl-CoA.
  • mitochondrial oxidative metabolism can be impaired in heart failure, and energy production is decreased in ischemic heart disease due to a limited supply of oxygen.
  • the final steps in ATP synthesis which include several redox reactions and oxygen-driven proton transport, are common to both the glucose oxidation and fatty acid oxidation pathways.
  • shifting the balance from fatty acid oxidation to glucose oxidation by itself is not enough in many circumstances to restore full cardiac efficiency because downstream processes are affected as well.
  • CPT-1 inhibitors include oxfenicine, perhexiline, etomoxir, and other compounds described in WO 2015/018660, WO 2008/109991; WO 2009/015485; US Publication No. 2011/0212072; and WO 2009/156479, which are incorporated herein by reference.
  • Another class of glucose-shifting compounds includes compounds that stimulate glucose oxidation directly. Examples of such compounds are described in US Publication No.
  • R 6 may be
  • Trimetazidine derivatized as described above is also more hydrophilic and thus may be less likely to cross the blood-brain barrier to cause neurological effects.
  • modification of trimetazidine may alter its pharmacokinetic properties. Because the derivatized molecule is metabolized to produce the active agent, the active agent is released gradually. Consequently, levels of the active agent in the body may not reach peaks as high as when a comparable amount is administered in a single bolus.
  • Another possibility is that less of each active agent, such as trimetazidine, is required because the compounds of the invention include multiple active agents. For example, trimetazidine shifts metabolism from fatty acid oxidation to glucose oxidation, and succinate improves mitochondrial respiration generally. Thus, a compound that provides both agents stimulates a larger increase in glucose-driven ATP production for a given amount of trimetazidine than does a compound that delivers trimetazidine alone.
  • compositions that include at least two of (1) a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation, (2) a compound that promotes mitochondrial respiration, and (3) a NAD + precursor molecule.
  • the aforementioned components of the composition may be provided as separate molecules.
  • the compositions may include each of a (1) a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation, (2) a compound that promotes mitochondrial respiration, and (3) a NAD + precursor molecule.
  • each of the three components may be provided as a separate molecule.
  • two of the components may be covalently linked as part of single molecule, and the third component may be provided as a separate molecule.
  • the compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation may be linked to the compound that promotes mitochondrial respiration, and the NAD + precursor may be provided as a separate molecule.
  • a series of compounds were added sequentially to the cells to assess a bioenergetics profile, effects of test compounds on parameters such as proton leak, and reserve capacity. This can be used to assist in understanding potential mechanisms of mitochondrial toxicity.
  • the following compounds were added in order: (1) oligomycin, (2) FCCP, and (3) rotenone and antimycin A.
  • FIG. 7 is a series of graphs showing the effects of a combination of trimetazidine and nicotinamide on extracellular acidification rate.
  • FIG. 9 is a series of graphs showing the effects of succinate on oxygen consumption rate and reserve capacity.
  • FIG. 17 is a table summarizing the effects of trimetazidine on various mitochondrial functional parameters.
  • FIG. 23 is a table summarizing the effects of a combination of succinate, nicotinamide, and trimetazidine on various mitochondrial functional parameters.
  • FIG. 24 is a series of graphs showing the effects of a combination of succinate, nicotinamide, and trimetazidine on oxygen consumption rate and reserve capacity.
  • TMZ4 8.44E+01 5.43E+00 2.93E+02 7.90E+01 2.31E+04-11-TMZ TMZ1 7.15E+01 6.76E+00 1.66E+02 6.48E+01 1.08E+04
  • FIG. 42 is graph of infarct size after IR. TMZ and TNS treatment decreased infarct size after IR. Raw data is provided in Tables 7-55.

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Abstract

Compositions and methods for increasing efficiency of cardiac metabolism are provided.

Description

COMPOSITIONS AND METHODS FOR INCREASING
EFFICIENCY OF CARDIAC METABOLISM
This application claims the benefit of, and priority to, U.S. Provisional Patent Application No. 62/647,926, filed March 26, 2018, U.S. Provisional Patent Application No. 62/637,434, filed March 2, 2018, U.S. Provisional Patent Application No. 62/710,316, filed February 16, 2018, U.S. Provisional Patent Application No. 62/524,237, filed June 23, 2017, and U.S. Provisional Patent Application No. 62/522,214, filed June 20, 2017, the contents of each of which are incorporated by reference.
Field of the Invention
This application is related to compositions and methods for increasing the efficiency of cardiac metabolism.
Background
Heart disease is the leading cause of death worldwide, accounting for 15 million deaths across the globe in 2015. In many forms of heart disease, decreased cardiac efficiency stems from changes in mitochondrial energy metabolism. Mitochondria are sub-cellular compartments in which metabolites derived from glucose and fatty acids are oxidized to produce high-energy molecules. Increasing fatty acid oxidation in the heart decreases glucose oxidation, and vice versa. Glucose oxidation is a more efficient source of energy, but in certain types of heart disease, such as heart failure, ischemic heart disease, and diabetic cardiomyopathies, fatty acid oxidation predominates in cardiac mitochondria. As a result, the pumping capacity of the heart is reduced.
Existing drugs that redress the balance between glucose oxidation and fatty acid oxidation in cardiac mitochondria have serious shortcomings. Foremost among them is that such drugs address only part of the problem: the reliance on fatty acid oxidation in lieu of glucose oxidation causes a 10% reduction in efficiency in energy production, but patients with heart disease often show a decrease in cardiac efficiency of up to 30%. Consequently, existing approaches to improve cardiac function by altering mitochondrial metabolism are unsatisfactory, and millions of people continue to die from heart disease each year. Summary
The invention provides compositions that stimulate cardiac glucose oxidation and mitochondrial respiration. The compositions include a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation, such as trimetazidine, and a compound that promotes mitochondrial respiration, such as succinate. The compositions may also include a molecule, such as nicotinic acid, that serves as a precursor for synthesis of nicotinamide adenine dinucleotide (NAD+), which also facilitates mitochondrial respiration. Preferably, the compositions include compounds in which a trimetazidine derivative, succinate, and, optionally, a NAD+ precursor are covalently linked in a single molecule. Such compounds can be metabolized in the body to allow the individual components to exert distinct biochemical effects to increase glucose oxidation relative to fatty acid oxidation and improve overall mitochondrial respiration in the heart. The invention also provides methods of altering cardiac metabolism by providing compounds of the invention.
Because the compositions concomitantly shift cardiac metabolism toward glucose oxidation and increase mitochondrial respiration, they are useful as therapeutic agents for treating heart diseases characterized by elevated fatty acid oxidation, such as heart failure, ischemic heart disease, and diabetic cardiomyopathies. By shifting cardiac metabolism from fatty acid oxidation to glucose oxidation, the compositions allow the use of a more efficient source of energy. In addition, the compositions stimulate metabolic pathways that are common to oxidation of both glucose and fatty acids and that may also be impaired in patients with heart disease. Some compositions of the invention include a compound that comprises trimetazidine covalently coupled to one or more activators of mitochondrial respiration.
Furthermore, trimetazidine can cause Parkinsonian symptoms for a portion of the population. Without being limited by any particular theory or mechanism of action, it is also believed that delivery of trimetazidine as a component of a larger molecule may improve its efficacy and mitigate its side effects.
In an aspect, the invention includes compounds represented by formula (I):
A-L-B (I), in which A is a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation, L is a linker, and B is a compound that promotes mitochondrial respiration.
The compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation may be trimetazidine, etomoxir, perhexiline, a PPAR agonist, a malonyl CoA decarboxylase inhibitor, or dichloroacetate.
The compound that promotes mitochondrial respiration may be an intermediate of the citric acid cycle or a molecule that can be metabolized to enter the citric acid cycle. For example, the compound may be succinate, fumarate, malate, oxaloacetate, citrate, isocitrate, a-ketoglutarate, pyruvate, acetone, acetoacetic acid, β-hydroxybutyric acid, β-ketopentanoate, or β-hydroxypentanoate.
The linker may be any suitable linker that can be cleaved in vivo. The linker may be an alkoxy group. The linker may be polyethylene glycol of any length. Preferably, the linker is represented by (CH2CH20)X, in which x = 1-15.
The compound may include a NAD+ precursor molecule covalently linked to another component of the compound. The NAD+ precursor molecule may be nicotinic acid,
nicotinamide, or nicotinamide riboside. The NAD+ precursor molecule may be attached to the compound that shifts cardiac metabolism, the compound that promotes mitochondrial respiration, or the linker. The NAD+ precursor molecule may be attached to another component via an additional linker. Preferably, the NAD+ precursor molecule is attached to the compound that promotes mitochondrial respiration via a 1,3 -propanediol linkage.
The compound of formula (I) may be represented by formula (II):
Figure imgf000004_0001
in which y = 1-3.
The compound of formula (I) may be represented by formula (III):
Figure imgf000005_0001
Figure imgf000005_0002
(IV), in which R 1 , R 2 , and R 3 are independently H or a (Ci-C4)alkyl group; R 4 and R 5 together are =0, -0(CH2)mO- or -(CH2)m- in which m = 2-4, or R4 is H and R5 is OR14, SR14, or
(CH2CH20)nH, in which R14 is H or a (d-C4)alkyl group and n = 1-15; and R6 is a single or multi-ring structure optionally substituted at one or more ring positions by a heteroatom, in which each ring position optionally comprises one or more substituents.
One or more ring position of R6 may include a substituent that includes a compound that promotes mitochondrial respiration, such as succinate, fumarate, malate, oxaloacetate, citrate, isocitrate, a-ketoglutarate, pyruvate, acetone, acetoacetic acid, β-hydroxybutyric acid, β- ketopentanoate, or β-hydroxypentanoate. The substituent may include a linker, such as (CH2CH20)x, in which x = 1-15. The substituent may include a NAD+ precursor molecule, such as nicotinic acid, nicotinamide, and nicotinamide riboside.
The substituent on a ring position of R6 may be
Figure imgf000006_0001
in which y = 1-3.
The substituent on a ring position of R6 may be
Figure imgf000006_0002
in which y = 1-3.
R6 may be
Figure imgf000006_0003
The compound of formula (IV) may have a structure represented formula (IX) or formula
Figure imgf000007_0001
Figure imgf000007_0002
In another aspect, the invention includes compounds represented by formula (V):
Figure imgf000007_0003
in which R 1 , R 2 , and R 3 are independently H or a (Ci-C4)alkyl group; R 4 and R 8 together are =0, -0(CH2)mO- or -(CH2)m- in which m = 2-4, or R4 is H and R8 is H, OR14, SR14, or
(CH2CH20)nH, in which R14 is H or a (Ci-C4)alkyl group and n = 1-15; R9, R10, R12, and R13 are independently H or (CH2CH20)ZH, in which z = 1-6; and R11 comprises a compound that promotes mitochondrial respiration.
The compound that promotes mitochondrial respiration may be an intermediate of the citric acid cycle or a molecule that can be metabolized to enter the citric acid cycle. For example, the compound may be succinate, fumarate, malate, oxaloacetate, citrate, isocitrate, a- ketoglutarate, pyruvate, acetone, acetoacetic acid, β-hydroxybutyric acid, β-ketopentanoate, or β- hydroxypentanoate.
R11 may include a linker, such as polyethylene glycol. For example, R11 may include (CH2CH20)x, in which x = 1-15.
R11 may be
Figure imgf000008_0001
in which y = 1-3.
R11 may include a NAD+ precursor molecule. For example, R11 may include nicotinic acid, nicotinamide, or nicotinamide riboside.
R11 may be
Figure imgf000008_0002
in which y = 1-3.
In an aspect, the invention includes compounds represented by formula (VII): A-C (VII), in which A is a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation, and C is a NAD+ precursor molecule. A and C may be covalently linked.
The compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation may be trimetazidine, etomoxir, perhexiline, a PPAR agonist, a malonyl CoA decarboxylase inhibitor, or dichloroacetate.
The compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation may be PEGylated with an ethylene glycol moiety. The compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation may have multiple ethylene glycol moieties, such as one, two three, four, five, or more ethylene glycol moieties. The ethylene glycol moiety may be represented by (CH2CH20)X, in which x = 1-15. The ethylene glycol moiety may form a covalent linkage between the compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation and the NAD+ precursor molecule. The ethylene glycol moiety may be separate from a covalent linkage between the compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation and the NAD+ precursor molecule. The compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation may be a PEGylated form of trimetazidine.
The NAD+ precursor molecule may be nicotinic acid, nicotinamide, or nicotinamide riboside.
The compound of formula (VII) may include nicotinic acid that is covalently linked to a PEGylated form of trimetazidine. The nicotinic acid may be covalently linked via the PEGylated moiety, i.e., via an ethylene glycol linkage. The nicotinic acid may be covalently linked via the trimetazidine moiety.
The compound of formlula (VII) may have a structure represented by formula (X), as shown above.
In an aspect, the invention includes compounds represented by formula (VIII):
A-L-C (VIII), in which A is a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation, L is a linker, and C is a NAD+ precursor molecule. A may be covalently linked to L, and L may be covalently linked to C.
The compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation, the linker, and the NAD+ precursor molecule may be as described above in relation to compounds of other formulas.
The compound of formlula (VIII) may have a structure represented by formula (X), as shown above.
Any of the compounds described above may include one or more atoms that are enriched for an isotope. For example, the compounds may have one or more hydrogen atoms replaced with deuterium or tritium. The isotopically enriched atom or atoms may be located at any position within the compound.
In an aspect, the invention includes compositions that include at least two of A, B, and C, in which A is a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation as described above, B is a compound that promotes mitochondrial respiration as described above, and C is a NAD+ precursor molecule as described above. The compositions may include A, B, and C. Each of components A, B, and C may be provided as a separate molecule, or two or more of the components may be covalently linked in a single molecule. For example, components A and B may be covalently linked in a single molecule, and C may be provided as a separate molecule.
The compositions may include co-crystals of two or more separate molecules that include two or more of components A, B, and C. For example, a co-crystal may include (1) a compound of formula (I), (III), (IV), or (V) and (2) nicotinic acid, nicotinamide, or nicotinamide riboside. Preferably the co-crystal includes nicotinamide.
In an aspect, the invention includes methods of increasing efficiency of cardiac metabolism in a subject. The methods include providing a compound represented by formula (I), as described above. In the methods, the compound of formula (I) may include any of the features described above in relation to compounds of the invention.
In an aspect, the invention includes methods of increasing efficiency of cardiac metabolism in a subject. The methods include providing a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation, a compound that promotes mitochondrial respiration, and, optionally, a compound that is a NAD+ precursor molecule.
The compound that shifts cardiac metabolism from fatty acid oxidation to glucose may be trimetazidine, etomoxir, perhexiline, a PPAR agonist, a malonyl CoA decarboxylase inhibitor, or dichloroacetate.
The compound that promotes mitochondrial respiration may be an intermediate of the citric acid cycle or a molecule that can be metabolized to enter the citric acid cycle, such as succinate, fumarate, malate, oxaloacetate, citrate, isocitrate, a-ketoglutarate, pyruvate, acetone, acetoacetic acid, β-hydroxybutyric acid, β-ketopentanoate, or β-hydroxypentanoate.
The NAD+ precursor molecule may be nicotinic acid, nicotinamide, or nicotinamide riboside.
The compounds may be provided in any suitable manner. The compounds may be provided in a single composition. Alternatively, the compounds may not be provided in a single composition. For example, one or two of the compounds may be provided in a single composition, and another compound may be provided in a separate composition. Alternatively, each compound may be provided in a separate composition. The compounds may be provided simultaneously or sequentially. The compounds may be provided at different intervals, with different frequency, or in different quantities.
It is believed that any disease that may be treated using trimetazidine would benefit from compounds of the invention as described herein with more efficacious results and fewer side effects. Exemplary diseases are those that involve impaired mitochondrial function or altered fatty acid oxidation, such as heart failure diseases, cardiac dysfunction diseases, or muscle myopathy diseases. Exemplary methods involve providing a composition as described herein or any combination of a compound that shifts cardiac metabolism from fatty acid oxidation to glucose metabolism, a compound that promotes mitochondrial respiration, and/or optionally an NAD+ precursor molecule.
Brief Description of the Drawings
FIG. 1 is a table summarizing the effects of various compounds on mitochondrial function. FIG. 2 is a table summarizing the effects of nicotinamide on various mitochondrial functional parameters.
FIG. 3 is a series of graphs showing the effects of nicotinamide on oxygen consumption rate and reserve capacity.
FIG. 4 is a series of graphs showing the effects of nicotinamide on extracellular acidification rate.
FIG. 5 is a table summarizing the effects of a combination of trimetazidine and nicotinamide on various mitochondrial functional parameters.
FIG. 6 is a series of graphs showing the effects of a combination of trimetazidine and nicotinamide on oxygen consumption rate and reserve capacity.
FIG. 7 is a series of graphs showing the effects of a combination of trimetazidine and nicotinamide on extracellular acidification rate.
FIG. 8 is a table summarizing the effects of succinate on various mitochondrial functional parameters.
FIG. 9 is a series of graphs showing the effects of succinate on oxygen consumption rate and reserve capacity.
FIG. 10 is a series of graphs showing the effects of succinate on extracellular
acidification rate.
FIG. 11 is a table summarizing the effects of compound CV-8816 on various
mitochondrial functional parameters.
FIG. 12 is a series of graphs showing the effects of compound CV-8816 on oxygen consumption rate and reserve capacity.
FIG. 13 is a series of graphs showing the effects of compound CV-8816 on extracellular acidification rate.
FIG. 14 is a table summarizing the effects of compound CV-8814 on various
mitochondrial functional parameters.
FIG. 15 is a series of graphs showing the effects of compound CV-8814 on oxygen consumption rate and reserve capacity.
FIG. 16 is a series of graphs showing the effects of compound CV-8814 on extracellular acidification rate. FIG. 17 is a table summarizing the effects of trimetazidine on various mitochondrial functional parameters.
FIG. 18 is a series of graphs showing the effects of trimetazidine on oxygen consumption rate and reserve capacity.
FIG. 19 is a series of graphs showing the effects of trimetazidine on extracellular acidification rate.
FIG. 20 is a table summarizing the effects of compound CV-8815 on various
mitochondrial functional parameters.
FIG. 21 is a series of graphs showing the effects of compound CV-8815 on oxygen consumption rate and reserve capacity.
FIG. 22 is a series of graphs showing the effects of compound CV-8815 on extracellular acidification rate.
FIG. 23 is a table summarizing the effects of a combination of succinate, nicotinamide, and trimetazidine on various mitochondrial functional parameters.
FIG. 24 is a series of graphs showing the effects of a combination of succinate, nicotinamide, and trimetazidine on oxygen consumption rate and reserve capacity.
FIG. 25 is a series of graphs showing the effects of a combination of succinate, nicotinamide, and trimetazidine on extracellular acidification rate.
FIG. 26 is a table summarizing the effects of a combination of trimetazidine analog 2 and nicotinamide on various mitochondrial functional parameters.
FIG. 27 is a series of graphs showing the effects of a combination of trimetazidine analog 2 and nicotinamide on oxygen consumption rate and reserve capacity.
FIG. 28 is a series of graphs showing the effects a combination of trimetazidine analog 2 and nicotinamide on extracellular acidification rate.
FIG. 29 is a table summarizing the effects of a combination of trimetazidine analog 1 and nicotinamide on various mitochondrial functional parameters.
FIG. 30 is a series of graphs showing the effects of a combination of trimetazidine analog 1 and nicotinamide on oxygen consumption rate and reserve capacity.
FIG. 31 is a series of graphs showing the effects of a combination of trimetazidine analog 1 and nicotinamide on extracellular acidification rate. FIG. 32 is a table summarizing the effects of a combination of trimetazidine analog 3 and nicotinamide on various mitochondrial functional parameters.
FIG. 33 is a series of graphs showing the effects of a combination of trimetazidine analog 3 and nicotinamide on oxygen consumption rate and reserve capacity.
FIG. 34 is a series of graphs showing the effects of a combination of trimetazidine analog 3 and nicotinamide on extracellular acidification rate.
FIG. 35 is a table summarizing the effects of a combination of succinate and
nicotinamide on various mitochondrial functional parameters.
FIG. 36 is a series of graphs showing the effects of a combination of succinate and nicotinamide on oxygen consumption rate and reserve capacity.
FIG. 37 is a series of graphs showing the effects of a combination of succinate and nicotinamide on extracellular acidification rate.
FIG. 38 is a schematic of the ischemia-reperfusion (IR) method used to analyze the effects of compositions of the invention on coronary flow.
FIG. 39 is a graph of coronary flow of after IR.
FIG. 40 is graph of left ventricular developed pressure (LVDP) after IR.
FIG. 41 shows images of TTC-stained heart slices after IR.
FIG. 42 is graph of infarct size after IR.
FIG. 43 is a schematic of the method used to analyze the effects of compositions of the invention on cardiac function.
FIG. 44 shows hearts from mice six weeks after transverse aortic constriction.
FIG. 45 is of graph of heart weight relative to body weight six weeks after transverse aortic constriction.
FIG. 46 is graph of heart weight six weeks after transverse aortic constriction.
FIG. 47 shows graphs of fractional shortening (FS) and ejection fraction (EF) at indicated time points after transverse aortic constriction.
FIG. 48 is a graph of left ventricular end-systolic diameter at indicated time points after transverse aortic constriction.
FIG. 49 is a graph of intraventricular septal dimension at indicated time points after transverse aortic constriction. FIG. 50 is a graph of left ventricular mass at indicated time points after transverse aortic constriction.
FIG. 51 is a graph of isovolumic relaxation time at indicated time points after transverse aortic constriction.
FIG. 52 is a graph of the ratio peak velocity flow in early diastole vs. late diastole at indicated time points after transverse aortic constriction.
FIG. 53 is a graph of left ventricular developed pressure at six weeks after transverse aortic constriction.
FIG. 54 is a graph of the rate of left ventricle pressure rise at six weeks after transverse aortic constriction.
FIG. 55 is a graph showing levels of CV-8814 and trimetazidine after intravenous administration of CV-8834.
FIG. 56 is a graph showing levels of CV-8814 and trimetazidine after oral administration of CV-8834.
FIG. 57 is a graph showing levels of CV-8814 and trimetazidine after oral administration of CV-8834.
FIG. 58 is a graph showing levels of CV-8814 and trimetazidine after oral administration of CV-8834.
FIG. 59 is a graph showing levels of CV-8814 and trimetazidine after oral administration of CV-8834.
FIG. 60 is a graph showing levels of trimetazidine after oral administration of CV-8972 or intravenous administration of trimetazidine.
FIG. 61 is a graph showing levels of CV-8814 after oral administration of CV-8972 or intravenous administration of CV-8814.
FIG. 62 is a graph showing levels of CV-8814 after intravenous administration of CV- 8834 or oral administration of CV-8834.
FIG. 63 is a graph showing levels of CV-8814 after intravenous administration of CV- 8814 or oral administration of CV-8814.
FIG. 64 is a graph showing the HPLC elution profile of a batch of CV-8972.
FIG. 65 is a graph showing analysis of molecular species present in a batch of CV-8972. FIG. 66 is a pair of graphs showing HPLC elution profiles of molecular species present in a batch of CV-8972.
FIG. 67 is a pair of graphs showing HPLC elution profiles of molecular species present in a batch of CV-8972.
FIG. 68 is a graph showing X-ray powder diffraction analysis of a batch of CV-8972.
FIG. 69 is a graph showing X-ray powder diffraction analysis of batches of CV-8972.
FIG. 70 is a graph showing differential scanning calorimetry and thermal gravimetric analysis of a batch of CV-8972.
FIG. 71 is a graph showing dynamic vapor sorption (DVS) of a batch of CV-8972.
FIG. 72 is a graph showing differential scanning calorimetry and thermal gravimetric analysis of a batch of CV-8972.
FIG. 73 is a graph showing dynamic vapor sorption (DVS) of a batch of CV-8972.
FIG. 74 is a graph showing X-ray powder diffraction analysis of samples of CV-8972.
FIG. 75 is a graph showing differential scanning calorimetry and thermal gravimetric analysis of a batch of CV-8972.
FIG. 76 is a graph showing X-ray powder diffraction analysis of samples of CV-8972.
FIG. 77 is a graph showing X-ray powder diffraction analysis of samples of CV-8972.
FIG. 78 is a graph showing differential scanning calorimetry and thermal gravimetric analysis of samples containing form A of CV-8972.
FIG. 79 is a graph showing differential scanning calorimetry and thermal gravimetric analysis of a sample containing form A of CV-8972.
Detailed Description
The invention provides compositions that increase the efficiency of cardiac metabolism by concomitantly shifting cardiac metabolism from fatty acid oxidation to glucose oxidation and increasing mitochondrial respiration. Glucose oxidation and fatty acid oxidation are energy- producing metabolic pathways that compete with each other for substrates. In glucose oxidation, glucose is broken down to pyruvate via glycolysis in the cytosol of the cell. Pyruvate then enters the mitochondria, where it is converted to acetyl coenzyme A (acetyl-CoA). In beta-oxidation of fatty acids, which occurs in the mitochondria, two-carbon units from long-chain fatty acids are sequentially converted to acetyl-CoA. The remaining steps in energy production from oxidation of glucose or fatty acids are common to the two pathways. Acetyl-CoA is oxidized to carbon dioxide (C02) via the citric acid cycle, which results in the conversion of nicotinamide adenine dinucleotide (NAD+) to its reduced form, NADH. NADH, in turn, drives the mitochondrial electron transport chain. The electron transport chain comprises a series of four mitochondrial membrane -bound complexes that transfer electrons via redox reactions and pump protons across the membrane to create a proton gradient. The redox reactions of the electron transport chain require molecular oxygen (02). Finally, the proton gradient enables another membrane-bound enzymatic complex to form high-energy ATP molecules, the source of energy for most cellular reactions.
In many types of heart disease, the overall efficiency of energy production by cardiac mitochondria is diminished. In part, this is due to an increased reliance on fatty acid oxidation over glucose oxidation in many types of heart disease. Glucose oxidation is a more efficient pathway for energy production, as measured by the number of ATP molecules produced per 02 molecule consumed, than is fatty acid oxidation. However, other metabolic changes contribute to decreased cardiac efficiency in patients with heart disease. For example, overall
mitochondrial oxidative metabolism can be impaired in heart failure, and energy production is decreased in ischemic heart disease due to a limited supply of oxygen. As indicated above, the final steps in ATP synthesis, which include several redox reactions and oxygen-driven proton transport, are common to both the glucose oxidation and fatty acid oxidation pathways. Thus, shifting the balance from fatty acid oxidation to glucose oxidation by itself is not enough in many circumstances to restore full cardiac efficiency because downstream processes are affected as well.
The invention provides compositions that improve cardiac efficiency by using multiple mechanisms to alter mitochondrial metabolism. By including a component that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation and one or more other components that promote mitochondrial respiration, the compositions trigger a change in the pathway used to produce energy and concomitantly improve overall mitochondrial oxidative function.
Consequently, the compositions of the invention are more effective at restoring cardiac capacity in patients with heart disease, such as heart failure, ischemic heart disease, and diabetic cardiomyopathies, than are compounds that only effect a shift to glucose oxidation.
In some embodiments, the compositions are compounds represented by formula (I): A-L-B (I), in which A is a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation, L is a linker, and B is a compound that promotes mitochondrial respiration.
Component A may be any suitable compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation. Such compounds can be classified based on their mechanism of action. See Fillmore, N., et al., Mitochondrial fatty acid oxidation alterations in heart failure, ischemic heart disease and diabetic cardiomyopathy, Brit. J. Pharmacol. 171:2080- 2090 (2014), incorporated herein by reference.
One class of glucose-shifting compounds includes compounds that inhibit fatty acid oxidation directly. Compounds in this class include inhibitors of malonyl Co A decarboxylase (MCD), carnitine palmitoyl transferase 1 (CPT-1), or mitochondrial fatty acid oxidation.
Mitochondrial fatty acid oxidation inhibitors include trimetazidine and other compounds described in WO 2002/064576, which is incorporated herein by reference. Trimetazidine binds to distinct sites on the inner and outer mitochondrial membranes and affects both ion permeability and metabolic function of mitochondria. Morin, D., et al., Evidence for the existence of [ H] -trimetazidine binding sites involved in the regulation of the mitochondrial permeability transition pore, Brit. J. Pharmacol. 123: 1385-1394 (1998), incorporated herein by reference. MCD inhibitors include CBM-301106, CBM-300864, CBM-301940, 5-(l, 1,1,3,3,3- hexafluoro-2-hydroxypropan-2-yl)-4,5-dihydroisoxazole-3-carboxamides, methyl 5-(N-(4- (1,1,1, 3,3, 3-hexafluoro-2-hydroxypropan-2-yl)phenyl)morpholine-4-carboxamido)pentanoate, and other compounds described in Chung, J.F., et al., Discovery of Potent and Orally Available Malonyl-CoA Decarboxylase Inhibitors as Cardioprotective Agents, J. Med. Chem. 49:4055- 4058 (2006); Cheng J.F. et al., Synthesis and structure-activity relationship of small-molecule malonyl coenzyme A decarboxylase inhibitors, J. Med. Chem. 49: 1517-1525 (2006); US Publication No. 2004/0082564; and WO 2002/058698, which are incorporated herein by reference. CPT-1 inhibitors include oxfenicine, perhexiline, etomoxir, and other compounds described in WO 2015/018660, WO 2008/109991; WO 2009/015485; US Publication No. 2011/0212072; and WO 2009/156479, which are incorporated herein by reference. Another class of glucose-shifting compounds includes compounds that stimulate glucose oxidation directly. Examples of such compounds are described in US Publication No.
2003/0191182; WO 2006/117686; US Patent No. 8,202,901, which are incorporated herein by reference.
Another class of glucose-shifting compounds includes compounds that decrease the level of circulating fatty acids that supply the heart. Examples of such compounds include agonists of PPARa and PPARy, including fibrate drugs, such as clofibrate, gemfibrozil, ciprofibrate, bezafibrate, and fenofibrate, and thiazolidinediones, GW-9662, and other compounds described in US Patent No. 9096538, which is incorporated herein by reference.
Component L may be any suitable linker. Preferably, the linker can be cleaved in vivo to release components A and B. The linker may be an alkoxy group. The linker may be
polyethylene glycol of any length. The linker may be represented by (CH2CH20)X, in which x = 1-15 or (CH2CH20)x, in which x = 1-3. Other suitable linkers include 1,3-propanediol, diazo linkers, phosphor amidite linkers, disulfide linkers, cleavable peptides, iminodiacetic acid linkers, thioether linkers, and other linkers described in Leriche, G., et al., Cleavable linkers in chemical biology, Bioorg. Med. Chem. 20:571-582 (2012); WO 1995000165; and US Patent No. 8461117, which are incorporated herein by reference.
Component B may be any compound that promotes mitochondrial respiration. For example, component B may be an intermediate of the citric acid cycle or a molecule that can be metabolized to enter the citric acid cycle, such as succinate, fumarate, malate, oxaloacetate, citrate, isocitrate, a-ketoglutarate, pyruvate, acetone, acetoacetic acid, β-hydroxybutyric acid, β- ketopentanoate,, or β-hydroxypentanoate. Intermediates of the citric acid cycle may become depleted if these molecules are used for biosynthetic purposes, resulting in inefficient generation of ATP from the citric acid cycle. However, due to the anaplerotic effect, providing one intermediate of the citric acid cycle leads to restoration of all intermediates as the cycle turns. Thus, intermediates of the citric acid cycle can promote mitochondrial respiration.
The compound may include a NAD+ precursor molecule. NAD+ is an important oxidizing agent that acts as a coenzyme in multiple reactions of the citric acid cycle. In these reactions, NAD+ is reduced to NADH. Conversely, NADH is oxidized back to NAD+ when it donates electrons to mitochondrial electron transport chain. In humans, NAD+ can be
synthesized de novo from tryptophan, but not in quantities sufficient to meet metabolic demands. Consequently, NAD+ is also synthesized via a salvage pathway, which uses precursors that must be supplied from the diet. Among the precursors used by the salvage pathway for NAD+ synthesis are nicotinic acid, nicotinamide, and nicotinamide riboside. By providing a NAD+ precursor, such as nicotinic acid, nicotinamide, or nicotinamide riboside, the compound facilitates NAD+ synthesis.
The inclusion of a NAD+ precursor in compounds of the invention allows the compounds to stimulate energy production in cardiac mitochondria in multiple ways. First, component A shifts cardiac metabolism from fatty acid oxidation to glucose oxidation, which is inherently more efficient. Next, component B ensures that the intermediates of the citric acid cycle are present at adequate levels and do not become depleted or limiting. As a result, glucose-derived acetyl CoA is efficiently oxidized. Finally, the NAD+ precursor provides an essential coenzyme that cycles between oxidized and reduced forms to promote respiration. In the oxidized form, NAD+ drives reactions of the citric acid cycle. In the reduced form, NADH promotes electron transport to create a proton gradient that enables ATP synthesis. Consequently, the chemical potential resulting from oxidation of acetyl CoA is efficiently converted to ATP that can be used for various cellular functions.
The NAD+ precursor molecule may be covalently attached to the compound in any suitable manner. For example, it may linked to A, L, or B, and it may be attached directly or via another linker. Preferably, it is attached via a linker that can be cleaved in vivo. The NAD+ precursor molecule may be attached via a 1,3 -propanediol linkage.
The compound may be covalently attached to one or more molecules of polyethylene glycol (PEG), i.e., the compound may be PEGylated. In many instances, PEGylation of molecules reduces their immunogenicity, which prevents the molecules from being cleared from the body and allows them to remain in circulation longer. The compound may contain a PEG polymer of any size. For example, the PEG polymer may have from 1-500 (CH2CH2O) units. The PEG polymer may have any suitable geometry, such as a straight chain, branched chain, star configuration, or comb configuration. The compound may be PEGylated at any site. For example, the compound may be PEGylated on component A, component B, component L, or, if present, the NAD+ precursor. The compound may be PEGylated at multiple sites. For a compound PEGylated at multiple sites, the various PEG polymers may be of the same or different size and of the same or different configuration. The compound may be a PEGylated form of trimetazidine. For example, the compound may be represented by formula (VI):
Figure imgf000021_0001
in which one or more of the carbon atoms at positions A, B, C, D, and E and/or the nitrogen atom at position F are substituted with -(CH2CH20)nH and n = 1-15. The carbon atoms at positions A, B, C, D, and E may have two PEG substituents. In molecules that have multiple PEG chains, the different PEG chains may have the same or different length.
The compounds of formula (I) may be represented by formula (II):
Figure imgf000021_0002
in which y = 1-3.
The compounds of formula (I) may be represented by formula (III):
Figure imgf000022_0001
Figure imgf000022_0002
(IV), in which R 1 , R 2 , and R 3 are independently H or a (Ci-C4)alkyl group; R 4 and R 5 together are =0, -0(CH2)mO- or -(CH2)m- in which m = 2-4, or R4 is H and R5 is OR14, SR14, or
(CH2CH20)nH, in which R14 is H or a (d-C4)alkyl group and n = 1-15; and R6 is a single or multi-ring structure optionally substituted at one or more ring positions by a heteroatom, in which each ring position optionally comprises one or more substituents.
R6 may be a single or multi-ring structure of any size. For example, the structure may contain 3-22 atoms, not including hydrogen atoms bonded to atoms in ring positions. The structure may include one or more alkyl, alkenyl, or aromatic rings. The structure may include one or more heteroatoms, i.e., atoms other than carbon. For example, the heteroatom may be oxygen, nitrogen, or sulfur, or phosphorus.
One or more ring position of R6 may include a substituent that includes a compound that promotes mitochondrial respiration, as described above in relation to component B of formula (I). The substituent may include a linker, as described above in relation to component L of formula (I). The substituent may include a NAD+ precursor molecule, as described above in relation to compounds of formula (I).
The substituent on a ring position of R6 may be
Figure imgf000023_0001
in which y = 1-3.
The substituent on a ring position of R6 may be
Figure imgf000023_0002
in which y = 1-3.
R6 may be
Figure imgf000024_0001
For some compounds of the invention that include trimetazidine prodrugs, analogs, deriviatives, it is advantageous to have the trimetazidine moiety substituted with a single ethylene glycol moiety. Thus, preferred compositions of the invention include compounds of formulas (I) and (VIII) that contain linkers in which x = 1, compounds of formulas (II) and (III) in which y = 1, compounds of formula (V) in which z = 1, compounds of formula (VI) in which n = 1, and compounds of formula (VII) in which A is linked to C via a single ethylene glycol moiety. Without wishing to be bound by theory, the attachment of a single ethylene glycol moiety to the trimetazidine moiety may improve the bioavailability of trimetazidine.
The compound of formula (IV) may have structure represented by formula (IX) or formula (X):
Figure imgf000024_0002
Figure imgf000024_0003
The invention also provides compounds represented by formula (V):
Figure imgf000025_0001
in which R 1 , R 2 , and R 3 are independently H or a (Ci-C4)alkyl group; R 4 and R 8 together are =0, -0(CH2)mO- or -(CH2)m- in which m = 2-4, or R4 is H and R8 is H, OR14, SR14, or
(CH2CH20)nH, in which R14 is H or a (Ci-C4)alkyl group and n = 1-15; R9, R10, R12, and R13 are independently H or (CH2CH20)zH, in which z = 1-15; and R11 comprises a compound that promotes mitochondrial respiration, as described above in relation to component B of formula (I). R11 may include a linker, as described above in relation to component L of formula (I).
R11 may be
Figure imgf000025_0002
in which y = 1-3.
R11 may include a NAD+ precursor molecule, as described above in relation to compounds of formula (I).
R11 may be
Figure imgf000026_0001
in which y = 1-3.
In some embodiments described above, compounds of the invention include multiple active agents joined by linkers in a single molecule. It may be advantageous to deliver multiple active agents as components of a single molecule. Without wishing to be bound by a particular theory, there are several reasons why co-delivery of active agents in a single molecule may be advantageous. One possibility is that a single large molecule may have reduced side effects compared to the component agents. Free trimetazidine causes symptoms similar to those in Parkinson's disease in a fraction of patients. However, when trimetazidine is derivatized to include other components, such as succinate, the molecule is bulkier and may not be able to access sites where free trimetazidine can causes unintended effects. Trimetazidine derivatized as described above is also more hydrophilic and thus may be less likely to cross the blood-brain barrier to cause neurological effects. Another possibility is that modification of trimetazidine may alter its pharmacokinetic properties. Because the derivatized molecule is metabolized to produce the active agent, the active agent is released gradually. Consequently, levels of the active agent in the body may not reach peaks as high as when a comparable amount is administered in a single bolus. Another possibility is that less of each active agent, such as trimetazidine, is required because the compounds of the invention include multiple active agents. For example, trimetazidine shifts metabolism from fatty acid oxidation to glucose oxidation, and succinate improves mitochondrial respiration generally. Thus, a compound that provides both agents stimulates a larger increase in glucose-driven ATP production for a given amount of trimetazidine than does a compound that delivers trimetazidine alone.
The invention also provides compounds represented by formula (VII):
A-C (VII), in which A is a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation, and C is a NAD+ precursor molecule. A and C may be covalently linked.
The compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation may be PEGylated with an ethylene glycol moiety. The compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation may have multiple ethylene glycol moieties, such as one, two three, four, five, or more ethylene glycol moieties. The ethylene glycol moiety may be represented by (CH2CH20)X, in which x = 1-15. The ethylene glycol moiety may form a covalent linkage between the compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation and the NAD+ precursor molecule. The ethylene glycol moiety may be separate from a covalent linkage between the compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation and the NAD+ precursor molecule.
The compound of formula (VII) may include nicotinic acid that is covalently linked to a PEGylated form of trimetazidine. The nicotinic acid may be covalently linked via a PEGylated moiety, i.e., via an ethylene glycol linkage. The nicotinic acid may be covalently linked via the trimetazidine moiety.
The invention also provides compounds represented by formula (VIII):
A-L-C (VIII), in which A is a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation, L is a linker, and C is a NAD+ precursor molecule. A may be covalently linked to L, and L may be covalently linked to C.
The compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation, the linker, and the NAD+ precursor molecule may be as described above in relation to compounds of other formulas.
The invention also provides compositions that include at least two of (1) a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation, (2) a compound that promotes mitochondrial respiration, and (3) a NAD+ precursor molecule. The aforementioned components of the composition may be provided as separate molecules. The compositions may include each of a (1) a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation, (2) a compound that promotes mitochondrial respiration, and (3) a NAD+ precursor molecule. In such compositions, each of the three components may be provided as a separate molecule. Alternatively, in such compositions, two of the components may be covalently linked as part of single molecule, and the third component may be provided as a separate molecule. For example, the compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation may be linked to the compound that promotes mitochondrial respiration, and the NAD+ precursor may be provided as a separate molecule.
The compounds of the invention may be provided as co-crystals with other compounds. Co-crystals are crystalline materials composed of two or more different molecules in the same crystal lattice. The different molecules may be neutral and interact non-ionically within the lattice. Co-crystals of the invention may include one or more compounds of the invention with one or more other molecules that stimulate mitochondrial respiration or serve as NAD+ precursors. For example, a co-crystal may include any of the following combinations: (1) a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation and (2) a NAD+ precursor molecule; (1) a compound that promotes mitochondrial respiration and (2) a NAD+ precursor molecule; (1) a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation and (2) a compound that promotes mitochondrial respiration; (1) a molecule comprising a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation covalently linked to a compound that promotes mitochondrial respiration and (2) a NAD+ precursor molecule. In specific embodiments, a co-crystal may include (1) a compound of formula (I), (III), (IV), or (V) and (2) nicotinic acid, nicotinamide, or nicotinamide riboside.
The compounds may include one or more atoms that are enriched for an isotope. For example, the compounds may have one or more hydrogen atoms replaced with deuterium or tritium. Isotopic substitution or enrichment may occur at carbon, sulfur, or phosphorus, or other atoms. The compounds may be isotopically substituted or enriched for a given atom at one or more positions within the compound, or the compounds may be isotopically substituted or enriched at all instances of a given atom within the compound. The invention provides pharmaceutical compositions containing one or more of the compounds described above. A pharmaceutical composition containing the compounds may be in a form suitable for oral use, for example, as tablets, troches, lozenges, fast-melts, aqueous or oily suspensions, dispersible powders or granules, emulsions, hard or soft capsules, syrups or elixirs. Compositions intended for oral use may be prepared according to any method known in the art for the manufacture of pharmaceutical compositions and such compositions may contain one or more agents selected from sweetening agents, flavoring agents, coloring agents and preserving agents, in order to provide pharmaceutically elegant and palatable preparations.
Tablets contain the compounds in admixture with non-toxic pharmaceutically acceptable excipients which are suitable for the manufacture of tablets. These excipients may be for example, inert diluents, such as calcium carbonate, sodium carbonate, lactose, calcium phosphate or sodium phosphate; granulating and disintegrating agents, for example corn starch, or alginic acid; binding agents, for example starch, gelatin or acacia, and lubricating agents, for example magnesium stearate, stearic acid or talc. The tablets may be uncoated or they may be coated by known techniques to delay disintegration in the stomach and absorption lower down in the gastrointestinal tract and thereby provide a sustained action over a longer period. For example, a time delay material such as glyceryl monostearate or glyceryl distearate may be employed. They may also be coated by the techniques described in U.S. Patents 4,256,108, 4,166,452 and 4,265,874, to form osmotic therapeutic tablets for control release. Preparation and administration of compounds is discussed in U.S. Pat. 6,214,841 and U.S. Pub. 2003/0232877, incorporated by reference herein in their entirety.
Formulations for oral use may also be presented as hard gelatin capsules in which the compounds are mixed with an inert solid diluent, for example calcium carbonate, calcium phosphate or kaolin, or as soft gelatin capsules in which the compounds are mixed with water or an oil medium, for example peanut oil, liquid paraffin or olive oil.
An alternative oral formulation, where control of gastrointestinal tract hydrolysis of the compound is sought, can be achieved using a controlled-release formulation, where a compound of the invention is encapsulated in an enteric coating.
Aqueous suspensions may contain the compounds in admixture with excipients suitable for the manufacture of aqueous suspensions. Such excipients are suspending agents, for example sodium carboxymethylcellulose, methylcellulose, hydroxypropylmethylcellulose, sodium alginate, polyvinylpyrrolidone, gum tragacanth and gum acacia; dispersing or wetting agents such as a naturally occurring phosphatide, for example lecithin, or condensation products of an alkylene oxide with fatty acids, for example, polyoxyethylene stearate, or condensation products of ethylene oxide with long chain aliphatic alcohols, for example heptadecaethyleneoxycetanol, or condensation products of ethylene oxide with partial esters derived from fatty acids and a hexitol such a polyoxyethylene with partial esters derived from fatty acids and hexitol anhydrides, for example polyoxyethylene sorbitan monooleate. The aqueous suspensions may also contain one or more preservatives, for example ethyl, or n-propyl p-hydroxybenzoate, one or more coloring agents, one or more flavoring agents, and one or more sweetening agents, such as sucrose or saccharin.
Oily suspensions may be formulated by suspending the compounds in a vegetable oil, for example, arachis oil, olive oil, sesame oil or coconut oil, or in a mineral oil such as liquid paraffin. The oily suspensions may contain a thickening agent, for example beeswax, hard paraffin or cetyl alcohol. Sweetening agents such as those set forth above, and flavoring agents may be added to provide a palatable oral preparation. These compositions may be preserved by the addition of an anti-oxidant such as ascorbic acid.
Dispersible powders and granules suitable for preparation of an aqueous suspension by the addition of water provide the compounds in admixture with a dispersing or wetting agent, suspending agent and one or more preservatives. Suitable dispersing or wetting agents and suspending agents are exemplified, for example sweetening, flavoring and coloring agents, may also be present.
The pharmaceutical compositions of the invention may also be in the form of oil-in-water emulsions. The oily phase may be a vegetable oil, for example olive oil or arachis oil, or a mineral oil, for example liquid paraffin or mixtures of these. Suitable emulsifying agents may be naturally-occurring gums, for example gum acacia or gum tragacanth, naturally occurring phosphatides, for example soya bean, lecithin, and esters or partial esters derived from fatty acids and hexitol anhydrides, for example sorbitan monooleate and condensation products of the said partial esters with ethylene oxide, for example polyoxyethylene sorbitan monooleate. The emulsions may also contain sweetening and flavoring agents.
Syrups and elixirs may be formulated with sweetening agents, such as glycerol, propylene glycol, sorbitol or sucrose. Such formulations may also contain a demulcent, a preservative, and agents for flavoring and/or coloring. The pharmaceutical compositions may be in the form of a sterile injectable aqueous or oleaginous suspension. This suspension may be formulated according to the known art using those suitable dispersing or wetting agents and suspending agents which have been mentioned above. The sterile injectable preparation may also be in a sterile injectable solution or suspension in a non-toxic parenterally acceptable diluent or solvent, for example as a solution in 1,3-butanediol. Among the acceptable vehicles and solvents that may be employed are water, Ringer's solution and isotonic sodium chloride solution. In addition, sterile, fixed oils are conventionally employed as a solvent or suspending medium. For this purpose any bland fixed oil may be employed including synthetic mono- or di-glycerides. In addition, fatty acids such as oleic acid find use in the preparation of injectables.
The compounds of the invention are useful for improving cardiac efficiency. A variety of definitions of cardiac efficiency exist in the medical literature. See, e.g.. Schipke, J.D. Cardiac efficiency, Basic Res. Cardiol. 89:207-40 (1994); and Gibbs, C.L. and Barclay, C.J. Cardiac efficiency, Cardiovasc. Res. 30:627-634 (1995), incorporated herein by reference. One definition of cardiac mechanical efficiency is the ratio of external cardiac power to cardiac energy expenditure by the left ventricle. See Lopaschuk G.D., et al., Myocardial Fatty Acid Metabolism in Health and Disease, Phys. Rev. 90:207-258 (2010), incorporated herein by reference. Another definition is the ratio between stroke work and oxygen consumption, which ranges from 20-25% in the normal human heart. Visser, F., Measuring cardiac efficiency: is it useful? Hear Metab. 39:3-4 (2008), incorporated herein by reference. Another definition is the ratio of the stroke volume to mean arterial blood pressure. Any suitable definition of cardiac efficiency may be used to measure the effects of compounds of the invention
The invention also provides methods of altering cardiac metabolism in a subject to increase glucose oxidation relative to fatty acid oxidation. The methods may include providing a composition of the invention, such as any the compounds described above, including the compounds represented by formulas (I), (II), (III), (IV), or (V) or formulations thereof.
The methods may include providing a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation, as described above, and a compound that promotes mitochondrial respiration, as described above. The compounds may be provided as components of a single molecule, as separate molecules in a single composition, or as separate compositions. The methods may also include providing a NAD+ precursor molecule, as described above. In methods that involve providing a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation, a compound that promotes mitochondrial respiration, and a NAD+ precursor molecule, compounds may be provided as components of a single molecule, two different molecules, or three different molecules. The compounds may be provided in one, two, three, or any number of different compositions. The compounds may be provided together, separately, or in any combination. The compounds may be provided simultaneously or sequentially. The compounds may be provided at different intervals, with different frequency, in different quantities, or at different dosages.
The invention also provides methods of treating conditions by providing compositions of the invention. The condition may be heart disease, such as heart failure, ischemic heart disease, diabetic cardiomyopathy, rheumatic heart disease, valvular heart disease, aneurysm,
atherosclerosis, high blood pressure (hypertension), peripheral arterial disease, angina, atherosclerosis, coronary artery disease, coronary heart disease, heart attack, atherosclerosis, cerebral vascular disease, stroke, transient ischemic attacks, atherosclerosis, cardiomyopathy, pericardial disease, valvular heart disease, or congenital heart disease.
Examples
Protocol
The effects of compounds of the invention on mitochondrial function were analyzed. HepG2 cells were dosed with test compound and in real time the extracellular oxygen levels and pH were measured using the XFe96 flux analyzer (Seahorse Biosciences). XFe Technology uses solid-state sensors to simultaneously measure both oxygen consumption rate (OCR) and extracellular acidification rate (ECAR) to determine effects on oxidative phosphorylation (OXPHOS) and glycolysis simultaneously. The cells were then subjected to sequential exposure to various inhibitors of mitochondrial function to assess cellular metabolism.
Data interpretation.
A compound was identified as positive mitochondrial-active compound when it caused a change in oxygen consumption rate (OCR) or extracellular acidification rate (ECAR) in the absence of cytotoxicity. Cytotoxicity was determined when both OXPHOS (OCR) and glycolysis (ECAR) were inhibited. Definition of mitochondrial parameters.
Oxygen consumption rate (OCR) is a measurement of oxygen content in extracellular media. Changes in OCR indicate effects on mitochondrial function and can be bi-directional. A decrease is due to an inhibition of mitochondrial respiration, while an increase may indicate an uncoupler, in which respiration is not linked to energy production.
OCR = compound OCR - non mitochondrial OCR
basal OCR - non mitochondrial OCR
Extracellular acidification rate (ECAR) is the measurement of extracellular proton concentration (pH). An increase in signal means an increase in rate in number of pH ions (thus decreasing pH value) and seen as an increase in glycolysis. ECAR is expressed as a fraction of basal control (rate prior to addition of compound).
ECAR = compound ECAR
basal ECAR
Reserve capacity is the measured ability of cells to respond to an increase in energy demand. A reduction indicates mitochondrial dysfunction. This measurement demonstrates how close to the bioenergetic limit the cell is.
reserve capacity = FCCP OCR - non mitochondrial OCR
basal OCR - non mitochondrial OCR
Mitochondrial stress test.
A series of compounds were added sequentially to the cells to assess a bioenergetics profile, effects of test compounds on parameters such as proton leak, and reserve capacity. This can be used to assist in understanding potential mechanisms of mitochondrial toxicity. The following compounds were added in order: (1) oligomycin, (2) FCCP, and (3) rotenone and antimycin A.
Oligomycin is a known inhibitor of ATP synthase and prevents the formation of ATP. Oligomycin treatment provides a measurement of the amount of oxygen consumption related to ATP production and ATP turnover . The addition of oligomycin results in a decrease in OCR under normal conditions, and residual OCR is related to the natural proton leak.
FCCP is a protonophore and is a known uncoupler of oxygen consumption from ATP production. FCCP treatment allows the maximum achievable transfer of electrons and oxygen consumption rate and provides a measurement of reserve capacity.
Rotenone and antimycin A are known inhibitors of complex I and III of the electron transport chain, respectively. Treatment with these compounds inhibits electron transport completely, and any residual oxygen consumption is due to non-mitochondrial activity via oxygen requiring enzymes.
Definition of mechanisms.
An electron transport chain inhibitor is an inhibitor of mitochondrial respiration that causes an increase in glycolysis as an adaptive response (e.g. decrease OCR and increase in ECAR).
The inhibition of oxygen consumption may also be due to reduced substrate availability (e.g. glucose, fatty acids, glutamine, pyruvate), for example, via transporter inhibition.
Compounds that reduce the availability of substrates are substrate inhibitors. A substrate inhibitor does not result in an increase in glycolysis (e.g. OCR decrease, no response in ECAR).
Compounds that inhibit the coupling of the oxidation process from ATP production are known as uncouplers. These result in an increase in mitochondrial respiration (OCR) but inhibition of ATP production.
FIG. 1 is a table summarizing the effects of various compounds on mitochondrial function.
FIG. 2 is a table summarizing the effects of nicotinamide on various mitochondrial functional parameters.
FIG. 3 is a series of graphs showing the effects of nicotinamide on oxygen consumption rate and reserve capacity.
FIG. 4 is a series of graphs showing the effects of nicotinamide on extracellular acidification rate.
FIG. 5 is a table summarizing the effects of a combination of trimetazidine and nicotinamide on various mitochondrial functional parameters. FIG. 6 is a series of graphs showing the effects of a combination of trimetazidine and nicotinamide on oxygen consumption rate and reserve capacity.
FIG. 7 is a series of graphs showing the effects of a combination of trimetazidine and nicotinamide on extracellular acidification rate.
FIG. 8 is a table summarizing the effects of succinate on various mitochondrial functional parameters.
FIG. 9 is a series of graphs showing the effects of succinate on oxygen consumption rate and reserve capacity.
FIG. 10 is a series of graphs showing the effects of succinate on extracellular
acidification rate.
FIG. 11 is a table summarizing the effects of compound CV-8816 on various
mitochondrial functional parameters.
FIG. 12 is a series of graphs showing the effects of compound CV-8816 on oxygen consumption rate and reserve capacity.
FIG. 13 is a series of graphs showing the effects of compound CV-8816 on extracellular acidification rate.
FIG. 14 is a table summarizing the effects of compound CV-8814 on various
mitochondrial functional parameters.
FIG. 15 is a series of graphs showing the effects of compound CV-8814 on oxygen consumption rate and reserve capacity.
FIG. 16 is a series of graphs showing the effects of compound CV-8814 on extracellular acidification rate.
FIG. 17 is a table summarizing the effects of trimetazidine on various mitochondrial functional parameters.
FIG. 18 is a series of graphs showing the effects of trimetazidine on oxygen consumption rate and reserve capacity.
FIG. 19 is a series of graphs showing the effects of trimetazidine on extracellular acidification rate.
FIG. 20 is a table summarizing the effects of compound CV-8815 on various
mitochondrial functional parameters. FIG. 21 is a series of graphs showing the effects of compound CV-8815 on oxygen consumption rate and reserve capacity.
FIG. 22 is a series of graphs showing the effects of compound CV-8815 on extracellular acidification rate.
FIG. 23 is a table summarizing the effects of a combination of succinate, nicotinamide, and trimetazidine on various mitochondrial functional parameters.
FIG. 24 is a series of graphs showing the effects of a combination of succinate, nicotinamide, and trimetazidine on oxygen consumption rate and reserve capacity.
FIG. 25 is a series of graphs showing the effects of a combination of succinate, nicotinamide, and trimetazidine on extracellular acidification rate.
FIG. 26 is a table summarizing the effects of a combination of trimetazidine analog 2 and nicotinamide on various mitochondrial functional parameters.
FIG. 27 is a series of graphs showing the effects of a combination of trimetazidine analog
2 and nicotinamide on oxygen consumption rate and reserve capacity.
FIG. 28 is a series of graphs showing the effects a combination of trimetazidine analog 2 and nicotinamide on extracellular acidification rate.
FIG. 29 is a table summarizing the effects of a combination of trimetazidine analog 1 and nicotinamide on various mitochondrial functional parameters.
FIG. 30 is a series of graphs showing the effects of a combination of trimetazidine analog 1 and nicotinamide on oxygen consumption rate and reserve capacity.
FIG. 31 is a series of graphs showing the effects of a combination of trimetazidine analog 1 and nicotinamide on extracellular acidification rate.
FIG. 32 is a table summarizing the effects of a combination of trimetazidine analog 3 and nicotinamide on various mitochondrial functional parameters.
FIG. 33 is a series of graphs showing the effects of a combination of trimetazidine analog
3 and nicotinamide on oxygen consumption rate and reserve capacity.
FIG. 34 is a series of graphs showing the effects of a combination of trimetazidine analog 3 and nicotinamide on extracellular acidification rate.
FIG. 35 is a table summarizing the effects of a combination of succinate and
nicotinamide on various mitochondrial functional parameters. FIG. 36 is a series of graphs showing the effects of a combination of succinate and nicotinamide on oxygen consumption rate and reserve capacity.
FIG. 37 is a series of graphs showing the effects of a combination of succinate and nicotinamide on extracellular acidification rate.
Effect of compositions on coronary flow, cardiac function, and infarct size.
The effect of compositions on the coronary flow, cardiac function, and infarct size was analyzed.
FIG. 38 is a schematic of the ischemia-reperfusion (IR) method used to analyze the effects of compositions of the invention on coronary flow, cardiac function, and infarct size. At time 0, mice were given (1) 20 μΜ trimetazidine (TMZ), (2) 2 μΜ each of trimetazidine, nicotinamide, and succinate (TNF), (3) 20 μΜ each of trimetazidine, nicotinamide, and succinate (TNS), or (4) the delivery vehicle (CON). At 20 minutes, ischemia was induced, and coronary flow was analyzed. At 50 minutes, reperfusion was initiated to restore blood flow. At 170 minutes, coronary flow and cardiac function was analyzed, and then the hearts were preserved, sectioned, and infarct size was measured by triphenyltetrazolium chloride (TTC) staining.
FIG. 39 is a graph of coronary flow of after IR. Data is expressed as ratio cardiac flow at 170 minutes to cardiac flow at 20 minutes. TNS treatment preserved coronary flow after IR. Raw data is provided in Tables 1-2.
Table 1.
Figure imgf000037_0001
CON4 2.22E+00 7.84E-02 3.53E+01
CON2 1.68E+00 5.12E-02 3.05E+01
MEAN 1.93E+00 6.54E-02 3.58E+01
SD 6.50E-01 1.94E-02 9.72E+00
SE 1.96E-01 5.86E-03 2.93E+00
TTEST
TMZ4 2.13E+00 5.16E-02 2.42E+01
TMZ3 1.70E+00 l.OOE-01 5.87E+01
TMZ1 2.18E+00 7.78E-02 3.57E+01
TMZ2 3.83E+00 1.29E-01 3.37E+01
TMZ7 1.72E+00 8.98E-02 5.21E+01
TMZ8 2.40E+00 6.56E-02 2.73E+01
TMZ5 2.14E+00 5.56E-02 2.60E+01
TMZ9 2.03E+00 1.30E-01 6.39E+01
MEAN 2.27E+00 8.74E-02 4.02E+01
SD 6.75E-01 3.06E-02 1.57E+01
SE 2.39E-01 1.08E-02 5.56E+00
TTEST
TNF1 2.24E+00 4.80E-02 2.14E+01
TNF2 2.24E+00 3.80E-02 1.69E+01
TNF3 7.32E-01 4.80E-02 6.56E+01
TNF4 8.20E-01 4.90E-02 5.98E+01
TNF5 1.09E+00 2.70E-02 2.48E+01
TNF6 9.48E-01 1.50E-01 1.58E+02
TNF7 8.08E-01 3.70E-02 4.58E+01
TNF8 1.20E+00 4.60E-02 3.83E+01
TNF9 1.45E+00 1.21E-01 8.33E+01
TNF10 1.20E+00 1.52E-02 1.27E+01
MEAN 1.27E+00 5.79E-02 5.27E+01
SD 5.56E-01 4.28E-02 4.37E+01 SE 1.76E-01 1.35E-02 1.38E+01
TTEST 2.21E-02 6.06E-01 2.26E-01
TNS 1 1.52E+00 4.70E-02 3.08E+01
TNS 2 9.30E-01 2.90E-02 3.12E+01
TNS 3 2.24E+00 1.67E-01 7.46E+01
TNS 5 5.64E-01 5.00E-02 8.87E+01
TNS 6 6.28E-01 4.40E-02 7.01E+01
TNS 7 1.08E+00 6.40E-02 5.95E+01
TNS 8 8.72E-01 2.30E-02 2.64E+01
TNS 9 1.18E+00 8.50E-02 7.23E+01
TNS 10 1.70E+00 1.84E-01 1.08E+02
MEAN 1.19E+00 7.70E-02 6.24E+01
SD 5.43E-01 5.89E-02 2.82E+01
SE 1.81E-01 1.96E-02 9.42E+00
TTEST 1.35E-02 5.45E-01 8.80E-03 vs TMZ 6.82E-02
Table 2.
Figure imgf000039_0001
FIG. 40 is graph of left ventricular developed pressure (LVDP) after IR. Blue bars indicate LVDP at 20 minutes, and orange bars indicate LVDP at 170 minutes. TMZ, TNS, and TNF treatment prevented a decline in cardiac function after IR. Raw data is provided in Tables 3-6.
Table 3. pre- ischemia LVESP LVEDP HR LVDP LVDPxHR-18-CN CON 11 6.61E+01 6.20E+00 3.28E+02 5.99E+01 1.97E+04
CON12 8.15E+01 3.73E+00 3.56E+02 7.78E+01 2.77E+04-10-CN CON 13 8.00E+01 -3.74E+00 1.37E+02 8.37E+01 1.15E+04
CON14 7.28E+01 6.12E+00 4.54E+02 6.67E+01 3.03E+04-15-CN CON9 8.07E+01 5.00E+00 1.42E+02 7.57E+01 1.08E+04
CON10 4.91E+01 1.15E+00 3.21E+02 4.80E+01 1.54E+04-12-CN CON7 8.55E+01 6.35E+00 3.05E+02 7.91E+01 2.42E+04
CON8 5.06E+01 1.68E+00 3.04E+02 4.90E+01 1.49E+04-9-CN CON5 5.45E+01 5.63E+00 2.75E+02 4.89E+01 1.35E+04
CON6 6.37E+01 4.31E+00 3.08E+02 5.94E+01 1.83E+04-7-CN CON3 7.32E+01 2.70E+00 2.40E+02 7.05E+01 1.69E+04
CON4 4.91E+01 1.65E-01 3.14E+02 4.89E+01 1.54E+04-5-CN CON1 9.48E+01 7.96E+00 3.04E+02 8.68E+01 2.64E+04
CON2 4.69E+01 1.64E-01 4.02E+02 4.67E+01 1.88E+04
MEAN 6.77E+01 3.39E+00 2.99E+02 6.44E+01 1.88E+04
SD 1.58E+01 3.21E+00 8.52E+01 1.46E+01 6.12E+03
SE 4.21E+00 8.57E-01 2.28E+01 3.91E+00 1.63E+03
TTEST 2.42E-04
-14-TMZ TMZ3 7.58E+01 6.53E+00 2.63E+02 6.93E+01 1.83E+04
TMZ4 8.44E+01 5.43E+00 2.93E+02 7.90E+01 2.31E+04-11-TMZ TMZ1 7.15E+01 6.76E+00 1.66E+02 6.48E+01 1.08E+04
TMZ2 5.47E+01 1.74E+00 3.35E+02 5.30E+01 1.77E+04-8-TMZ TMZ7 6.87E+01 3.58E+00 3.58E+02 6.51E+01 2.33E+04
TMZ8 4.27E+01 4.71E+00 3.33E+02 3.80E+01 1.26E+04-6-TMZ TMZ5 3.30E+01 4.77E+00 3.48E+02 2.82E+01 9.82E+03
TMZ6 3.30E+01 1.46E+00 3.21E+02 3.15E+01 1.01E+04-4-TMZ TMZ9 6.60E+01 7.25E+00 2.67E+02 5.87E+01 1.57E+04 TMZ10 7.38E+01 2.70E+00 3.32E+02 7.11E+01 2.36E+04
MEAN 6.03E+01 4.49E+00 3.02E+02 5.59E+01 1.68E+04
SD 1.85E+01 2.07E+00 5.75E+01 1.77E+01 5.56E+03
SE 5.84E+00 6.56E-01 1.82E+01 5.58E+00 1.76E+03
3.85E-01
-19-TNF TNF1 5.02E+01 3.04E+00 4.09E+02 4.72E+01 1.93E+04
TNF2 4.65E+01 1.76E-01 2.76E+02 4.63E+01 1.28E+04-8-TNF TNF3 7.13E+01 1.53E+00 6.48E+01 6.97E+01 4.52E+03
TNF4 9.97E+01 4.15E+00 1.54E+02 9.55E+01 1.47E+04-12-TNF TNF5 7.14E+01 -3.42E+00 2.77E+02 7.49E+01 2.07E+04
TNF6 8.98E+01 8.85E+00 3.10E+02 8.09E+01 2.51E+04-14-TNF TNF7 6.58E+01 7.01E+00 3.98E+02 5.88E+01 2.34E+04
TNF8 5.99E+01 1.02E+00 2.28E+02 5.89E+01 1.34E+04-15-TNF TNF9 7.89E+01 2.37E-01 2.71E+02 7.87E+01 2.13E+04
TNF10 4.01E+01 1.88E+00 3.14E+02 3.82E+01 1.20E+04
MEAN 6.74E+01 2.45E+00 2.70E+02 6.49E+01 1.67E+04
SD 1.90E+01 3.54E+00 1.04E+02 1.81E+01 6.32E+03
SE 6.00E+00 1.12E+00 3.28E+01 5.73E+00 2.00E+03
1.38E-01
-20-TNS TNS 1 5.59E+01 5.23E+00 3.33E+02 5.07E+01 1.69E+04
TNS2 5.54E+01 -1.83E+00 1.24E+02 5.72E+01 7.09E+03-7-TNS TNS3 8.78E+01 1.53E+00 1.64E+02 8.63E+01 1.42E+04
TNS4 1.07E+02 9.86E+00 2.41E+02 9.74E+01 2.35E+04-9-TNS TNS5 8.97E+01 2.34E+00 8.35E+01 8.74E+01 7.29E+03
TNS6 6.17E+01 6.21E+00 1.85E+02 5.55E+01 1.03E+04-13-TNS TNS7 6.62E+01 4.14E+00 3.36E+02 6.21E+01 2.09E+04
TNS8 6.54E+01 1.22E+01 1.22E+02 5.32E+01 6.47E+03-15-TNS TNS9 6.16E+01 3.64E+00 3.45E+02 5.80E+01 2.00E+04
TNS 10 5.44E+01 2.47E+00 4.12E+02 5.20E+01 2.14E+04
MEAN 7.05E+01 4.58E+00 2.35E+02 6.60E+01 1.48E+04 SD 1.80E+01 4.09E+00 1.15E+02 1.74E+01 6.61E+03
SE 5.69E+00 1.29E+00 3.63E+01 5.49E+00 2.09E+03
7.89E-02
Table 4. after 2h
reperfusion LVESP LVEDP HR LVDP LVDPxHR
5-18-CN CON 11 7.78E+01 3.68E+01 1.18E+02 4.10E+01 4.82E+03
CON12 7.07E+01 2.23E+01 9.23E+01 4.84E+01 4.47E+03
6-10-CN CON 13 6.48E+01 5.54E+01 5.72E+02 9.39E+00 5.38E+03
CON14 9.54E+01 5.64E+01 2.08E+02 3.90E+01 8.12E+03
5-15-CN CON9 5.18E+01 2.71E+01 1.75E+02 2.47E+01 4.33E+03
CON10 1.10E+02 3.13E+01 5.76E+01 7.84E+01 4.51E+03
5-12-CN CON7 3.93E+01 1.42E+01 9.11E+01 2.51E+01 2.29E+03
CON8 5.29E+01 9.48E+00 6.07E+01 4.34E+01 2.64E+03
5-9-CN CON5 6.56E+01 4.89E+01 6.50E+01 1.67E+01 1.09E+03
CON6 7.44E+01 6.56E+01 3.78E+01 8.81E+00 3.33E+02
5-7-CN CON3 6.35E+01 9.99E+00 1.15E+02 5.35E+01 6.18E+03
CON4 8.76E+01 5.34E+01 1.06E+02 3.43E+01 3.65E+03
5-5-CN CON1 9.29E+01 4.38E+01 2.61E+02 4.91E+01 1.28E+04
CON2 5.18E+01 4.43E+00 2.57E+02 4.74E+01 1.22E+04
MEAN 7.13E+01 3.42E+01 1.58E+02 3.71E+01 5.20E+03
SD 1.98E+01 2.02E+01 1.39E+02 1.90E+01 3.68E+03
SE 5.29E+00 5.40E+00 3.72E+01 5.08E+00 9.83E+02
TTEST
5-14-TMZ TMZ3 5.07E+01 2.93E+01 1.18E+02 2.14E+01 2.52E+03
TMZ4 7.66E+01 3.31E+01 1.19E+02 4.34E+01 5.15E+03
5-11-TMZ TMZ1 9.19E+01 3.96E+01 1.01E+02 5.22E+01 5.28E+03
TMZ2 4.77E+01 1.80E+01 1.51E+02 2.97E+01 4.49E+03 -8-TMZ TMZ7 5.18E+01 3.36E+00 6.70E+01 4.84E+01 3.24E+03
TMZ8 4.86E+01 1.87E+00 9.22E+01 4.67E+01 4.31E+03-6-TMZ TMZ5 6.09E+01 1.99E+01 2.22E+02 4.10E+01 9.11E+03
TMZ6 1.09E+02 3.21E+01 1.70E+02 7.65E+01 1.30E+04-4-TMZ TMZ9 7.38E+01 1.84E+01 1.16E+02 5.53E+01 6.44E+03
TMZ10 7.61E+01 1.77E+00 2.38E+02 7.43E+01 1.77E+04
MEAN 6.86E+01 1.97E+01 1.39E+02 4.89E+01 6.82E+03
SD 2.05E+01 1.39E+01 5.58E+01 1.73E+01 4.82E+03
SE 6.49E+00 4.39E+00 1.77E+01 5.46E+00 1.52E+03-19-TNF TNF1 8.37E+01 6.66E+01 1.53E+02 1.71E+01 2.62E+03
TNF2 6.19E+00 5.54E+00 2.13E+03 6.48E-01 1.38E+03-8-TNF TNF3 8.99E+01 1.88E+01 1.05E+01 7.11E+01 7.49E+02
TNF4 6.06E+01 1.34E+01 8.10E+01 4.72E+01 3.82E+03-12-TNF TNF5 1.54E+02 4.15E+01 2.20E+01 1.13E+02 2.48E+03
TNF6 1.30E+02 4.25E+01 3.33E+01 8.77E+01 2.92E+03-14-TNF TNF7 5.70E+01 4.00E+01 4.00E+01 1.70E+01 6.80E+02
TNF8 3.76E+01 1.87E+01 5.36E+01 1.88E+01 1.01E+03-15-TNF TNF9 6.23E+01 3.38E+01 1.97E+02 2.85E+01 5.59E+03
TNF10 7.85E+01 2.75E+01 7.85E+01 5.10E+01 4.00E+03
MEAN 7.60E+01 3.09E+01 2.80E+02 4.52E+01 2.53E+03
SD 4.28E+01 1.79E+01 6.54E+02 3.59E+01 1.62E+03
SE 1.35E+01 5.65E+00 2.07E+02 1.14E+01 5.12E+02-20-TNS TNS 1 6.47E+01 1.78E+01 1.04E+02 4.69E+01 4.88E+03
TNS2 8.95E+01 3.03E+01 5.55E+01 5.92E+01 3.29E+03-7-TNS TNS3 7.79E+01 6.34E+01 1.28E+02 1.45E+01 1.85E+03
TNS4 7.74E+01 2.73E+01 1.02E+02 5.01E+01 5.09E+03-9-TNS TNS5 1.37E+02 5.63E+01 1.63E+01 8.08E+01 1.32E+03
TNS6 8.59E+01 1.23E+01 1.06E+02 7.36E+01 7.79E+03-13-TNS TNS7 5.76E+01 5.16E+01 1.35E+02 6.00E+00 8.07E+02
TNS8 4.96E+01 1.53E+01 1.22E+02 3.43E+01 4.20E+03 6-15-TNS TNS9 9.97E+01 3.00E+01 7.46E+01 6.98E+01 5.21E+03
TNS 10 4.32E+01 -4.32E+00 7.20E+01 4.75E+01 3.42E+03
MEAN 7.83E+01 3.00E+01 9.15E+01 4.83E+01 3.79E+03
SD 2.74E+01 2.14E+01 3.69E+01 2.45E+01 2.11E+03
SE 8.67E+00 6.78E+00 1.17E+01 7.75E+00 6.69E+02
Table 5. pre- after 2h +dp/dtm -dp/dtm ischemia +dp/dtm -dp/dtm reperfusion
5-18-CN CON 11 2.60E+03 -1.82E+03 CON 11 1.44E+03 -8.67E+02
CON12 2.95E+03 -2.58E+03 CON12 1.63E+03 -1.07E+03
6-10-CN CON 13 3.10E+03 -2.42E+03 CON 13 2.25E+02 -2.22E+02
CON14 3.08E+03 -2.10E+03 CON14 3.44E+02 -2.87E+02
5-15-CN CON9 2.28E+03 -1.38E+03 CON9 9.45E+02 -5.54E+02
CON10 2.06E+03 -1.50E+03 CON10 2.29E+03 -1.75E+03
5-12-CN CON7 2.71E+03 -2.10E+03 CON7 2.51E+02 -2.55E+02
CON8 1.58E+03 -1.10E+03 CON8 3.63E+02 -3.05E+02
5-9-CN CON5 2.17E+03 -1.50E+03 CON5 2.39E+02 -2.41E+02
CON6 2.25E+03 -1.62E+03 CON6 1.47E+02 -1.49E+02
5-7-CN CON3 2.63E+03 -2.06E+03 CON3 1.63E+03 -1.06E+03
CON4 2.05E+03 -1.38E+03 CON4 1.10E+03 -7.03E+02
5-5-CN CON1 3.17E+03 -2.37E+03 CON1 1.03E+03 -1.12E+03
CON2 2.10E+03 -1.50E+03 CON2 1.75E+03 -1.27E+03
MEAN 2.48E+03 -1.82E+03 MEAN 9.56E+02 -7.04E+02
SD 4.84E+02 4.56E+02 SD 7.08E+02 4.95E+02
SE 1.29E+02 1.22E+02 SE 1.89E+02 1.32E+02
TTEST TTEST
5-14-TMZ TMZ3 2.41E+03 -1.69E+03 TMZ3 4.14E+02 -3.57E+02
TMZ4 2.77E+03 -2.26E+03 TMZ4 1.48E+03 -1.15E+03 -11-TMZ TMZ1 1.80E+03 -1.59E+03 TMZ1 1.38E+03 -7.45E+02
TMZ2 2.15E+03 -1.80E+03 TMZ2 1.06E+03 -6.85E+02-8-TMZ TMZ7 3.40E+03 -2.59E+03 TMZ7 3.44E+02 -3.39E+02
TMZ8 1.75E+03 -1.20E+03 TMZ8 7.36E+02 -4.28E+02-6-TMZ TMZ5 1.27E+03 -8.82E+02 TMZ5 1.28E+03 -8.38E+02
TMZ6 1.24E+03 -6.59E+02 TMZ6 1.85E+03 -1.06E+03-4-TMZ TMZ9 1.98E+03 -1.41E+03 TMZ9 1.13E+03 -6.38E+02
TMZ10 2.02E+03 -1.56E+03 TMZ10 1.62E+03 -9.83E+02
MEAN 2.08E+03 -1.56E+03 MEAN 1.13E+03 -7.22E+02
SD 6.58E+02 5.81E+02 SD 5.01E+02 2.90E+02
SE 2.08E+02 1.84E+02 SE 1.58E+02 9.16E+01
5.16E-01 9.18E-01-19-TNF TNF1 2.67E+03 -1.49E+03 TNF1 3.86E+02 -3.75E+02
TNF2 2.85E+03 -1.44E+03 TNF2 1.46E+02 -1.43E+02-8-TNF TNF3 1.53E+03 -7.24E+02 TNF3 2.28E+02 -2.34E+02
TNF4 3.86E+03 -2.59E+03 TNF4 2.84E+02 -2.40E+02-12-TNF TNF5 3.29E+03 -2.34E+03 TNF5 2.92E+03 -2.08E+03
TNF6 3.03E+03 -1.90E+03 TNF6 2.48E+03 -1.84E+03-14-TNF TNF7 3.22E+03 -1.62E+03 TNF7 2.53E+02 -2.48E+02
TNF8 1.74E+03 -1.12E+03 TNF8 1.53E+02 -1.52E+02-15-TNF TNF9 2.14E+03 -2.33E+03 TNF9 1.04E+03 -6.31E+02
TNF10 1.86E+03 -9.97E+02 TNF10 2.04E+03 -1.34E+03
MEAN 2.62E+03 -1.65E+03 MEAN 9.93E+02 -7.29E+02
SD 7.71E+02 6.26E+02 SD 1.08E+03 7.43E+02
SE 2.44E+02 1.98E+02 SE 3.41E+02 2.35E+02
1.09E-03 7.48E-03
-20-TNS TNS 1 2.37E+03 -1.60E+03 TNS 1 1.79E+03 -1.12E+03
TNS2 2.87E+03 -2.53E+03 TNS2 1.84E+03 -1.30E+03-7-TNS TNS3 4.00E+03 -2.67E+03 TNS3 2.91E+02 -3.02E+02
TNS4 3.32E+03 -2.63E+03 TNS4 1.62E+03 -1.30E+03 6-9-TNS TNS 5 3.36E+03 -2.21E+03 TNS 5 2.43E+02 -2.46E+02
TNS 6 2.53E+03 -1.89E+03 TNS 6 2.36E+03 -1.74E+03
6-13-TNS TNS 7 2.92E+03 -1.75E+03 TNS 7 2.49E+02 -2.47E+02
TNS 8 1.12E+03 -7.42E+02 TNS 8 1.29E+03 -8.50E+02
6-15-TNS TNS 9 2.29E+03 -1.75E+03 TNS 9 2.06E+03 -1.59E+03
TNS 10 2.11E+03 -1.58E+03 TNS 10 1.26E+03 -1.10E+03
MEAN 2.69E+03 -1.94E+03 MEAN 1.30E+03 -9.80E+02
SD 7.99E+02 5.95E+02 SD 7.86E+02 5.52E+02
SE 2.53E+02 1.88E+02 SE 2.49E+02 1.75E+02
9.96E-04 1.55E-03
Table 6.
Figure imgf000046_0001
FIG. 41 shows images of TTC-stained heart slices after IR. TMZ and TNS treatment decreased infarct size after IR.
FIG. 42 is graph of infarct size after IR. TMZ and TNS treatment decreased infarct size after IR. Raw data is provided in Tables 7-55.
Table 7: CN11 raw values
Figure imgf000046_0002
6 Slidell.jpg 2525 19.78
7 Slidell.jpg 3807
8 Slidell.jpg 1014 7.99
9 Slidell.jpg 2207 17.39
10 Slidell.jpg 3952
11 Slidell.jpg 15 0.08
12 Slidell.jpg 3300 17.54
13 Slidell.jpg 3376
14 Slidell.jpg 103 0.92
15 Slidell.jpg 2816 25.02
16 Slidell.jpg 1616
17 Slidell.jpg 975 6.03
18 Slidell.jpg 409 2.53
19 Slidell.jpg 2805
20 Slidell.jpg 819 6.42
21 Slidell.jpg 1496 11.73
22 Slidell.jpg 3973
23 Slidell.jpg 1047 7.91
24 Slidell.jpg 2465 18.61
25 Slidell.jpg 3971
26 Slidell.jpg 1102 5.83
27 Slidell.jpg 2430 12.85
28 Slidell.jpg 3516
29 Slidell.jpg 1919 16.37
30 Slidell.jpg 920 7.85
Table 8: CNll summary non-IS 26.21
IS 70.86 LV 97.07
IS/LV 73%
Table 9: CN 12 raw values
Figure imgf000048_0001
26 Slidel2.jpg 357 3.50
27 Slidel2.jpg 2787 27.32
28 Slidel2.jpg 2974
29 Slidel2.jpg 490 2.31
30 Slidel2.jpg 2112 9.94
Table 10: CN12 summary non-IS 23.61
IS 71.76
LV 95.37
IS/LV 75%
Table 11 : TNS 1 raw values
1 Slidel5.jpg 1857
2 Slidel5.jpg 58 0.28
3 Slidel5.jpg 1672 8.10
4 Slidel5.jpg 3383
5 Slidel5.jpg 901 4.53
6 Slidel5.jpg 1873 9.41
7 Slidel5.jpg 3460
8 Slidel5.jpg 1452 13.43
9 Slidel5.jpg 2272 21.01
10 Slidel5.jpg 3712
11 Slidel5.jpg 772 8.32
12 Slidel5.jpg 2422 26.10
13 Slidel5.jpg 3088
14 Slidel5.jpg 498 3.87
15 Slidel5.jpg 1733 13.47 16 Slidel5.jpg 1762
17 Slidel5.jpg 65 0.33
18 Slidel5.jpg 1626 8.31
19 Slidel5.jpg 3532
20 Slidel5.jpg 2034 9.79
21 Slidel5.jpg 1206 5.80
22 Slidel5.jpg 3411
23 Slidel5.jpg 1752 16.44
24 Slidel5.jpg 1006 9.44
25 Slidel5.jpg 4241
26 Slidel5.jpg 2148 20.26
27 Slidel5.jpg 1101 10.38
28 Slidel5.jpg 3440
29 Slidel5.jpg 2307 16.10
30 Slidel5.jpg 165 1.15
Table 12: TNSl summary non-IS 46.67
IS 56.59
LV 103.26
IS/LV 55%
Table 13: TNS2 raw values
1 Slidel6.jpg 1565
2 Slidel6.jpg 1058 7.44
3 Slidel6.jpg 145 1.02
4 Slidel6.jpg 2654
5 Slidel6.jpg 431 3.90 6 Slidel6.jpg 2043 18.47
7 Slidel6.jpg 3247
8 Slidel6.jpg 1053 8.43
9 Slidel6.jpg 1584 12.68
10 Slidel6.jpg 3892
11 Slidel6.jpg 2391 22.73
12 Slidel6.jpg 863 8.20
13 Slidel6.jpg 2505
14 Slidel6.jpg 1488 14.85
15 Slidel6.jpg 363 3.62
16 Slidel6.jpg 1526
17 Slidel6.jpg 9 0.06
18 Slidel6.jpg 1357 9.78
19 Slidel6.jpg 2337
20 Slidel6.jpg 16 0.16
21 Slidel6.jpg 1899 19.50
22 Slidel6.jpg 3558
23 Slidel6.jpg 1453 10.62
24 Slidel6.jpg 1504 10.99
25 Slidel6.jpg 4041
26 Slidel6.jpg 517 4.73
27 Slidel6.jpg 2763 25.30
28 Slidel6.jpg 2946
29 Slidel6.jpg 631 5.35
30 Slidel6.jpg 1326 11.25
Table 14: TNS2 summary non-IS 39.14
IS 60.41 LV 99.56
IS/LV 61%
Table 15: TNFl raw values
Figure imgf000052_0001
26 Slidel7.jpg 1256 9.81
27 Slidel7.jpg 1978 15.46
28 Slidel7.jpg 2769
29 Slidel7.jpg 2115 16.04
30 Slidel7.jpg 72 0.55
Table 16: TNFl summary non-IS 40.03
IS 53.82
LV 93.86
IS/LV 57%
Table 17: TNF2 raw values
1 Slidel8.jpg 2133
2 Slidel8.jpg 1861 12.21
3 Slidel8.jpg 239 1.57
4 Slidel8.jpg 4037
5 Slidel8.jpg 753 5.60
6 Slidel8.jpg 2304 17.12
7 Slidel8.jpg 4663
8 Slidel8.jpg 1548 10.62
9 Slidel8.jpg 2917 20.02
10 Slidel8.jpg 5017
11 Slidel8.jpg 2648 20.06
12 Slidel8.jpg 2480 18.78
13 Slidel8.jpg 3629
14 Slidel8.jpg 1698 13.10
15 Slidel8.jpg 348 2.69 16 Slidel8.jpg 2130
17 Slidel8.jpg 4 0.03
18 Slidel8.jpg 1988 13.07
19 Slidel8.jpg 4108
20 Slidel8.jpg 253 1.85
21 Slidel8.jpg 3796 27.72
22 Slidel8.jpg 4612
23 Slidel8.jpg 815 5.65
24 Slidel8.jpg 2427 16.84
25 Slidel8.jpg 4880
26 Slidel8.jpg 562 4.38
27 Slidel8.jpg 3535 27.53
28 Slidel8.jpg 3507
29 Slidel8.jpg 497 3.97
30 Slidel8.jpg 1837 14.67
Table 18: TNF2 summary non-IS 38.73
IS 80.00
LV 118.73
IS/LV 73%
Table 19: TNS3 raw values
1 Slidel9.jpg 1484
2 Slidel9.jpg 923 4.98
3 Slidel9.jpg 714 3.85
4 Slidel9.jpg 3124
5 Slidel9.jpg 990 6.65 6 Slidel9.jpg 1845 12.40
7 Slidel9.jpg 3414
8 Slidel9.jpg 1282 13.89
9 Slidel9.jpg 1833 19.87
10 Slidel9.jpg 3380
11 Slidel9.jpg 2123 16.33
12 Slidel9.jpg 1042 8.02
13 Slidel9.jpg 2105
14 Slidel9.jpg 957 7.73
15 Slidel9.jpg 308 2.49
16 Slidel9.jpg 1524
17 Slidel9.jpg 10 0.05
18 Slidel9.jpg 1530 8.03
19 Slidel9.jpg 2860
20 Slidel9.jpg 13 0.10
21 Slidel9.jpg 2293 16.84
22 Slidel9.jpg 3358
23 Slidel9.jpg 960 10.58
24 Slidel9.jpg 2639 29.08
25 Slidel9.jpg 2538
26 Slidel9.jpg 296 3.03
27 Slidel9.jpg 1797 18.41
28 Slidel9.jpg 1992
29 Slidel9.jpg 1105 9.43
30 Slidel9.jpg 401 3.42
Table 20: TNS3 summary non-IS 36.39
IS 61.20 LV 97.58
IS/LV 63%
Table 21: TNS4 raw values
Figure imgf000056_0001
26 Slide20.jpg 2445 23.96
27 Slide20.jpg 1052 10.31
28 Slide20.jpg 3219
29 Slide20.jpg 2120 22.39
30 Slide20.jpg 32 0.34
Table 22: TNS4 summary non-IS 55.29
IS 57.16
LV 112.45
IS/LV 51%
Table 23: TNF3 raw values
1 Slide21.jpg 1551
2 Slide21.jpg 3 0.02
3 Slide21.jpg 1502 10.65
4 Slide21.jpg 3054
5 Slide21.jpg 922 6.34
6 Slide21.jpg 2049 14.09
7 Slide21.jpg 3374
8 Slide21.jpg 1280 12.52
9 Slide21.jpg 1566 15.32
10 Slide21.jpg 2799
11 Slide21.jpg 1476 14.77
12 Slide21.jpg 1061 10.61
13 Slide21.jpg 2330
14 Slide21.jpg 398 3.25
15 Slide21.jpg 1012 8.25 16 Slide21.jpg 1689
17 Slide21.jpg 7 0.05
18 Slide21.jpg 1544 10.06
19 Slide21.jpg 2894
20 Slide21.jpg 361 2.62
21 Slide21.jpg 1925 13.97
22 Slide21.jpg 3254
23 Slide21.jpg 1137 11.53
24 Slide21.jpg 1267 12.85
25 Slide21.jpg 2814
26 Slide21.jpg 1272 12.66
27 Slide21.jpg 1113 11.07
28 Slide21.jpg 2821
29 Slide21.jpg 1438 9.69
30 Slide21.jpg 174 1.17
Table 24: TNF3 summary non-IS 36.71
IS 54.02
LV 90.74
IS/LV 60%
Table 25: TNF4 raw values
1 Slide22.jpg 1354
2 Slide22.jpg 72 0.37
3 Slide22.jpg 1335 6.90
4 Slide22.jpg 2892
5 Slide22.jpg 672 3.95 6 Slide22.jpg 2093 12.30
7 Slide22.jpg 3414
8 Slide22.jpg 1342 9.83
9 Slide22.jpg 2213 16.21
10 Slide22.jpg 3698
11 Slide22.jpg 1168 10.11
12 Slide22.jpg 2317 20.05
13 Slide22.jpg 2565
14 Slide22.jpg 243 2.94
15 Slide22.jpg 1398 16.90
16 Slide22.jpg 1486
17 Slide22.jpg 638 3.01
18 Slide22.jpg 583 2.75
19 Slide22.jpg 2719
20 Slide22.jpg 26 0.16
21 Slide22.jpg 2164 13.53
22 Slide22.jpg 3514
23 Slide22.jpg 568 4.04
24 Slide22.jpg 2361 16.80
25 Slide22.jpg 3908
26 Slide22.jpg 1498 12.27
27 Slide22.jpg 1805 14.78
28 Slide22.jpg 2946
29 Slide22.jpg 16 0.17
30 Slide22.jpg 1969 20.72
Table 26: TNF4 summary non-IS 23.42
IS 70.46 LV 93.88
IS/LV 75%
Table 27: TNS 5 raw values
Figure imgf000060_0001
26 Slide23.jpg 2609 22.58
27 Slide23.jpg 943 8.16
28 Slide23.jpg 3358
29 Slide23.jpg 1492 10.22
30 Slide23.jpg 583 3.99
Table 28: TNS5 summary non-IS 69.10
IS 36.78
LV 105.88
IS/LV 35%
Table 29: TNS 6 raw values
1 Slide24.jpg 1216
2 Slide24.jpg 258 1.49
3 Slide24.jpg 770 4.43
4 Slide24.jpg 3079
5 Slide24.jpg 1436 10.26
6 Slide24.jpg 1417 10.12
7 Slide24.jpg 3677
8 Slide24.jpg 2085 11.34
9 Slide24.jpg 1122 6.10
10 Slide24.jpg 3908
11 Slide24.jpg 2151 15.96
12 Slide24.jpg 1415 10.50
13 Slide24.jpg 2371
14 Slide24.jpg 1651 14.62
15 Slide24.jpg 495 4.38 16 Slide24.jpg 1123
17 Slide24.jpg 879 5.48
18 Slide24.jpg 262 1.63
19 Slide24.jpg 3090
20 Slide24.jpg 1775 12.64
21 Slide24.jpg 1121 7.98
22 Slide24.jpg 3470
23 Slide24.jpg 2215 12.77
24 Slide24.jpg 1219 7.03
25 Slide24.jpg 3666
26 Slide24.jpg 2524 19.97
27 Slide24.jpg 1411 11.16
28 Slide24.jpg 2470
29 Slide24.jpg 1397 11.88
30 Slide24.jpg 140 1.19
Table 30: TNS6 summary non-IS 58.20
IS 32.27
LV 90.47
IS/LV 36%
Table 31: CN 13 raw values
1 Slide25.jpg 1010
2 Slide25.jpg 4 0.04
3 Slide25.jpg 1006 8.96
4 Slide25.jpg 2216
5 Slide25.jpg 756 5.80 6 Slide25.jpg 1708 13.10
7 Slide25.jpg 3122
8 Slide25.jpg 744 5.72
9 Slide25.jpg 1674 12.87
10 Slide25.jpg 3214
11 Slide25.jpg 177 1.87
12 Slide25.jpg 1678 17.75
13 Slide25.jpg 2504
14 Slide25.jpg 371 3.41
15 Slide25.jpg 770 7.07
16 Slide25.jpg 940
17 Slide25.jpg 3 0.03
18 Slide25.jpg 902 8.64
19 Slide25.jpg 1907
20 Slide25.jpg 266 2.37
21 Slide25.jpg 1439 12.83
22 Slide25.jpg 2763
23 Slide25.jpg 1036 9.00
24 Slide25.jpg 1855 16.11
25 Slide25.jpg 2930
26 Slide25.jpg 988 11.46
27 Slide25.jpg 1618 18.78
28 Slide25.jpg 2498
29 Slide25.jpg 280 2.58
30 Slide25.jpg 1839 16.93
Table 32: CN13 summary non-IS 21.14
IS 66.52 LV 87.66
IS/LV 76%
Table 33: CN 14 raw values
Figure imgf000064_0001
26 Slide26.jpg 348 3.27
27 Slide26.jpg 2624 24.69
28 Slide26.jpg 2079
29 Slide26.jpg 573 4.69
30 Slide26.jpg 1042 8.52
Table 34: CN14 summary non-IS 32.62
IS 62.74
LV 95.36
IS/LV 66%
Table 35: TNF5 raw values
1 Slide27.jpg 1504
2 Slide27.jpg 22 0.13
3 Slide27.jpg 1336 7.99
4 Slide27.jpg 2786
5 Slide27.jpg 390 3.22
6 Slide27.jpg 1956 16.15
7 Slide27.jpg 3792
8 Slide27.jpg 1444 10.66
9 Slide27.jpg 2232 16.48
10 Slide27.jpg 3470
11 Slide27.jpg 587 5.41
12 Slide27.jpg 2824 26.04
13 Slide27.jpg 3002
14 Slide27.jpg 2361 16.52
15 Slide27.jpg 1329 9.30 16 Slide27.jpg 1666
17 Slide27.jpg 274 1.48
18 Slide27.jpg 1024 5.53
19 Slide27.jpg 2735
20 Slide27.jpg 9 0.08
21 Slide27.jpg 2897 24.36
22 Slide27.jpg 3575
23 Slide27.jpg 1217 9.53
24 Slide27.jpg 2163 16.94
25 Slide27.jpg 3350
26 Slide27.jpg 997 9.52
27 Slide27.jpg 1812 17.31
28 Slide27.jpg 3022
29 Slide27.jpg 12 0.08
30 Slide27.jpg 1778 12.36
Table 36: TNF5 summary non-IS 28.32
IS 76.23
LV 104.55
IS/LV 73%
Table 37: TNF6 raw values
1 Slide28.jpg 1114
2 Slide28.jpg 62 0.45
3 Slide28.jpg 879 6.31
4 Slide28.jpg 2858
5 Slide28.jpg 459 3.85 6 Slide28.jpg 1713 14.38
7 Slide28.jpg 3625
8 Slide28.jpg 369 3.56
9 Slide28.jpg 2924 28.23
10 Slide28.jpg 3948
11 Slide28.jpg 511 4.27
12 Slide28.jpg 2866 23.96
13 Slide28.jpg 3135
14 Slide28.jpg 386 3.08
15 Slide28.jpg 1447 11.54
16 Slide28.jpg 1126
17 Slide28.jpg 10 0.07
18 Slide28.jpg 1043 7.41
19 Slide28.jpg 3156
20 Slide28.jpg 160 1.22
21 Slide28.jpg 3062 23.29
22 Slide28.jpg 3790
23 Slide28.jpg 827 7.64
24 Slide28.jpg 2644 24.42
25 Slide28.jpg 3618
26 Slide28.jpg 1607 14.66
27 Slide28.jpg 2452 22.36
28 Slide28.jpg 3440
29 Slide28.jpg 1023 7.43
30 Slide28.jpg 1770 12.86
Table 38: TNF6 summary non-IS 23.11
IS 87.38 LV 110.50
IS/LV 79%
Table 39: TNS7 raw values
Figure imgf000068_0001
26 Slide29.jpg 2398 21.19
27 Slide29.jpg 287 2.54
28 Slide29.jpg 2969
29 Slide29.jpg 1647 11.65
30 Slide29.jpg 67 0.47
Table 40: TNS7 summary non-IS 54.88
IS 27.79
LV 82.68
IS/LV 34%
Table 41: TNS 8 raw values
1 Slide30.jpg 1123
2 Slide30.jpg 11 0.05
3 Slide30.jpg 988 4.40
4 Slide30.jpg 2352
5 Slide30.jpg 279 2.25
6 Slide30.jpg 2001 16.16
7 Slide30.jpg 3274
8 Slide30.jpg 1085 7.29
9 Slide30.jpg 1821 12.24
10 Slide30.jpg 3333
11 Slide30.jpg 2048 17.20
12 Slide30.jpg 838 7.04
13 Slide30.jpg 2240
14 Slide30.jpg 793 7.08
15 Slide30.jpg 840 7.50 16 Slide30.jpg 914
17 Slide30.jpg 866 4.74
18 Slide30.jpg 64 0.35
19 Slide30.jpg 2811
20 Slide30.jpg 397 2.68
21 Slide30.jpg 2135 14.43
22 Slide30.jpg 3378
23 Slide30.jpg 588 3.83
24 Slide30.jpg 2250 14.65
25 Slide30.jpg 3241
26 Slide30.jpg 2671 23.08
27 Slide30.jpg 287 2.48
28 Slide30.jpg 2697
29 Slide30.jpg 1247 9.25
30 Slide30.jpg 23 0.17
Table 42: TNS8 summary non-IS 38.73
IS 39.71
LV 78.44
IS/LV 51%
Table 43: TNF7 raw values
1 Slide31.jpg 1733
2 Slide31.jpg 15 0.06
3 Slide31.jpg 1704 6.88
4 Slide31.jpg 3401
5 Slide31.jpg 719 3.38 6 Slide31.jpg 2216 10.43
7 Slide31.jpg 3789
8 Slide31.jpg 917 7.02
9 Slide31.jpg 2163 16.56
10 Slide31.jpg 4149
11 Slide31.jpg 719 5.03
12 Slide31.jpg 3423 23.93
13 Slide31.jpg 3309
14 Slide31.jpg 1479 8.49
15 Slide31.jpg 1771 10.17
16 Slide31.jpg 1777
17 Slide31.jpg 1049 4.13
18 Slide31.jpg 678 2.67
19 Slide31.jpg 3117
20 Slide31.jpg 221 1.13
21 Slide31.jpg 2281 11.71
22 Slide31.jpg 3970
23 Slide31.jpg 2416 17.65
24 Slide31.jpg 796 5.81
25 Slide31.jpg 4354
26 Slide31.jpg 3291 21.92
27 Slide31.jpg 697 4.64
28 Slide31.jpg 3316
29 Slide31.jpg 2414 13.83
30 Slide31.jpg 62 0.36
Table 44: TNF7 summary non-IS 41.32
IS 46.57 LV 87.90
IS/LV 53%
Table 45: TNF8 raw values
Figure imgf000072_0001
26 Slide32.jpg 425 3.08
27 Slide32.jpg 3308 24.01
28 Slide32.jpg 3498
29 Slide32.jpg 920 7.63
30 Slide32.jpg 1731 14.35
Table 46: TNF8 summary non-IS 40.68
IS 52.97
LV 93.65
IS/LV 57%
Table 47: TNS 9 raw values
1 Slide33.jpg 2637
2 Slide33.jpg 14 0.06
3 Slide33.jpg 2081 9.47
4 Slide33.jpg 4101
5 Slide33.jpg 1571 7.28
6 Slide33.jpg 1516 7.02
7 Slide33.jpg 4527
8 Slide33.jpg 2519 18.36
9 Slide33.jpg 1555 11.34
10 Slide33.jpg 3326
11 Slide33.jpg 3188 19.17
12 Slide33.jpg 27 0.16
13 Slide33.jpg 2336
14 Slide33.jpg 1885 9.68
15 Slide33.jpg 240 1.23 16 Slide33.jpg 2343
17 Slide33.jpg 2027 10.38
18 Slide33.jpg 21 0.11
19 Slide33.jpg 3393
20 Slide33.jpg 1928 10.80
21 Slide33.jpg 945 5.29
22 Slide33.jpg 4425
23 Slide33.jpg 2984 22.25
24 Slide33.jpg 637 4.75
25 Slide33.jpg 3063
26 Slide33.jpg 773 5.05
27 Slide33.jpg 1885 12.31
28 Slide33.jpg 2324
29 Slide33.jpg 1390 7.18
30 Slide33.jpg 9 0.05
Table 48: TNS9 summary non-IS 55.11
IS 25.86
LV 80.97
IS/LV 32%
Table 49: TNS10 raw values
1 Slide34.jpg 1775
2 Slide34.jpg 1082 4.88
3 Slide34.jpg 348 1.57
4 Slide34.jpg 3607
5 Slide34.jpg 1823 11.12 6 Slide34.jpg 1483 9.05
7 Slide34.jpg 4313
8 Slide34.jpg 1087 6.80
9 Slide34.jpg 2173 13.60
10 Slide34.jpg 4275
11 Slide34.jpg 2471 15.03
12 Slide34.jpg 1734 10.55
13 Slide34.jpg 2864
14 Slide34.jpg 2424 18.62
15 Slide34.jpg 43 0.33
16 Slide34.jpg 1601
17 Slide34.jpg 1600 8.00
18 Slide34.jpg 16 0.08
19 Slide34.jpg 3486
20 Slide34.jpg 933 5.89
21 Slide34.jpg 935 5.90
22 Slide34.jpg 4312
23 Slide34.jpg 3250 20.35
24 Slide34.jpg 722 4.52
25 Slide34.jpg 4178
26 Slide34.jpg 3996 24.87
27 Slide34.jpg 231 1.44
28 Slide34.jpg 3046
29 Slide34.jpg 2854 20.61
30 Slide34.jpg 39 0.28
Table 50: TNS 10 summary non-IS 68.08
IS 23.66 LV 91.74
IS/LV 26%
Table 51 : TNF9 raw values
Figure imgf000076_0001
26 Slide35.jpg 1798 10.67
27 Slide35.jpg 2840 16.85
28 Slide35.jpg 3714
29 Slide35.jpg 2917 17.28
30 Slide35.jpg 342 2.03
Table 52: TNF9 summary non-IS 35.33
IS 63.72
LV 99.05
IS/LV 64%
Table 53: TNF10 raw values
1 Slide36.jpg 2294
2 Slide36.jpg 14 0.08
3 Slide36.jpg 2183 12.37
4 Slide36.jpg 4093
5 Slide36.jpg 189 1.34
6 Slide36.jpg 3572 25.31
7 Slide36.jpg 4330
8 Slide36.jpg 829 9.38
9 Slide36.jpg 2710 30.67
10 Slide36.jpg 2189
11 Slide36.jpg 185 1.18
12 Slide36.jpg 1581 10.11
13 Slide36.jpg 1961
14 Slide36.jpg 344 1.40
15 Slide36.jpg 1293 5.27 16 Slide36.jpg 2188
17 Slide36.jpg 1766 10.49
18 Slide36.jpg 382 2.27
19 Slide36.jpg 4243
20 Slide36.jpg 2206 15.08
21 Slide36.jpg 1246 8.52
22 Slide36.jpg 4883
23 Slide36.jpg 3763 37.76
24 Slide36.jpg 583 5.85
25 Slide36.jpg 2162
26 Slide36.jpg 2025 13.11
27 Slide36.jpg 18 0.12
28 Slide36.jpg 2558
29 Slide36.jpg 1179 3.69
30 Slide36.jpg 615 1.92
Table 54: TNFIO summary non-IS 46.76
IS 51.20
LV 97.96
IS/LV 52%
Table 55: Composite image data
Figure imgf000078_0001
CON3 64% TMZ8 51% TNF5 73% TNS5 35%
CON1 77% TMZ5 58% TNF6 79% TNS6 36%
CON2 55% TMZ6 49% TNF7 53% TNS7 34%
CON8 68% TMZ9 44% TNF8 57% TNS8 51%
CON9 67% TMZ10 49% TNF9 64% TNS9 31%
CON10 62% TMZ4 71% TNF10 52% TNS 10 26%
CON 11 73%
CON12 75%
CON 13 76%
CON14 66%
Mean 68% Mean 56% Mean 64% Mean 44%
SD 6% SD 10% SD 10% SD 13%
SE 2% SE 3% SE 3% SE 4%
TTEST 8.77E-04 1.61E-01 4.79E-06
TMZ/TNS 4.00E-02
The results show that a combination of trimetazidine, nicotinamide, and succinate at 20 μΜ preserved coronary flow and cardiac functional recovery and decreased infarct size in isolated hearts after ischemia-reperfusion. This combination was more effective in decreasing infarct size than TMZ alone. A combination of trimetazidine, nicotinamide, and succinate at 2 μΜ did not appear to decrease myocardial ischemia-reperfusion injury.
This study suggested that the combination of trimetazidine, nicotinamide, and succinate at 20 μΜ generated better protection against ischemia-reperfusion injury in Langendorff system.
FIG. 43 is a schematic of the method used to analyze the effects of compositions of the invention on cardiac function. Following transverse aortic constriction (TAC) or a sham procedure, mice were given one of the following via an osmotic mini-pump: CV8814 at 5.85 mg/kg/day (CV4); CV8814 at 5.85 mg/kg/day, nicotinic acid at 1.85 mg/kg/day, and succinate at 2.43 mg/kg/day (TV8); or saline (SA). Echocardiograms were measured immediately following TAC, three weeks after TAC, and 6 weeks after TAC. Mice were sacrificed at 6 weeks, and tissues were analyzed. FIG. 44 shows hearts from mice six weeks after a sham procedure (SHAM), TAC followed by saline administration (TAC), TAC followed by CV4 administration (CV4), or TAC followed by TV8 administration.
FIG. 45 is of graph of heart weight relative to body weight six weeks after transverse aortic constriction. Treatments are as indicated in relation to FIG. 44.
FIG. 46 is graph of heart weight six weeks after transverse aortic constriction.
Treatments are as indicated in relation to FIG. 44.
FIG. 47 shows graphs of fractional shortening (FS) and ejection fraction (EF) at indicated time points after transverse aortic constriction. Treatments are as indicated in relation to FIG. 44.
FIG. 48 is a graph of left ventricular end-systolic diameter at indicated time points after transverse aortic constriction. Treatments are as indicated in relation to FIG. 44.
FIG. 49 is a graph of intraventricular septal dimension at indicated time points after transverse aortic constriction. Treatments are as indicated in relation to FIG. 44.
FIG. 50 is a graph of left ventricular mass at indicated time points after transverse aortic constriction. Treatments are as indicated in relation to FIG. 44.
FIG. 51 is a graph of isovolumic relaxation time at indicated time points after transverse aortic constriction. Treatments are as indicated in relation to FIG. 44.
FIG. 52 is a graph of the ratio peak velocity flow in early diastole vs. late diastole at indicated time points after transverse aortic constriction. Treatments are as indicated in relation to FIG. 44.
FIG. 53 is a graph of left ventricular developed pressure at six weeks after transverse aortic constriction. Treatments are as indicated in relation to FIG. 44.
FIG. 54 is a graph of the rate of left ventricle pressure rise at six weeks after transverse aortic constriction. Treatments are as indicated in relation to FIG. 44.
Chemical synthesis schemes.
Compounds of the invention include 2-(4-(2,3,4-trimethoxybenzyl)piperazin-l-yl)ethan- l-ol (referred to herein as CV8814) and 2-(4-(2,3,4-trimethoxybenzyl)piperazin-l-yl)ethyl nicotinate (referred to herein as CV-8972). These compounds may be synthesized according to the following scheme: Stage 1:
tri
Figure imgf000081_0001
1
Ethylacetate+MTBE, 4M HCI Dioxane
Figure imgf000081_0002
2-(4-(2,3,4-trimethoxybenzyl) piperazin-1-yl)ethan-1-ol. Di HCI
C16H28N2CI204 = 383.31
CV8814
Stage 2:
Figure imgf000081_0003
2-(4-(2,3,4-trimethoxybenzyl)piperazin- 1-yl)ethyl nicotinate C22H29N305= 415.49
6 Stage 3:
Figure imgf000082_0001
6 CV8972
The product was converted to the desired polymorph by recrystallization. The percentage of water and the ratio of methanol: methyl ethyl ketone (MEK) were varied in different batches using 2.5 g of product.
In batch MBA 25, 5% water w/r/t total volume of solvent (23 volumes) containing 30% methanol:70% MEK was used for precipitation. The yield was 67% of monohydrate of CV- 8972. Water content was determined by KF to be 3.46%.
In batch MBA 26, 1.33% water w/r/t total volume of solvent (30 volumes) containing 20% methanol:80% MEK was used for precipitation. The yield was 86.5% of monohydrate of CV-8972. Water content was determined by KF to be 4.0%. The product was dried under vacuum at 40°C for 24 hours to decrease water content to 3.75%.
In batch MBA 27, 3% water w/r/t total volume of solvent (32 volumes) containing 22% methanol:78% MEK was used for precipitation. The yield was 87.22% of monohydrate of CV- 8972. Water content was determined by KF to be 3.93% after 18 hours of drying at room temperature under vacuum. The product was further dried under vacuum at 40°C for 24 hours to decrease water content to 3.54%.
In other batches, the ratio and total volume of solvent were held constant at 20% methanol:80% MEK and 30 volumes in batches using 2.5 g of product, and only the percentage of water was varied.
In batch MBA 29, 1.0 equivalent of water was added. Material was isolated and dried under vacuum at 40°C for 24 hours. Water content was determined by KF to be 0.89%, showing that the monohydrate form was not forming stoichiometrically. In batch MBA 30, 3% water was added. Material was isolated and dried under vacuum at 40°C for 24 hours. Water content was determined by KF to be 3.51%, showing that
monohydrate is forming with addition of excess water.
In batch MBA 31, 5% water was added. Material was isolated and dried under vacuum at 40°C for 24 hours. Water content was determined by KF to be 3.30%, showing that
monohydrate is forming with addition of excess water.
Results are summarized in Table 56.
Table 56.
Figure imgf000084_0001
Metabolism of compounds in dogs
The metabolism of various compounds was analyzed in dogs.
FIG. 55 is a graph showing levels of CV-8814 (solid triangles, solid lines) and trimetazidine (open triangles, dashed lines) after intravenous administration of CV-8834 at 2.34 mg/kg. CV-8834 is a compound of formula (II) in which y = 1.
FIG. 56 is a graph showing levels of CV-8814 (solid triangles, solid lines) and trimetazidine (open triangles, dashed lines) after oral administration of CV-8834 at 77.4 mg/kg.
FIG. 57 is a graph showing levels of CV-8814 (solid triangles, solid lines) and trimetazidine (open triangles, dashed lines) after oral administration of CV-8834 at 0.54 mg/kg.
FIG. 58 is a graph showing levels of CV-8814 (solid triangles, solid lines) and trimetazidine (open triangles, dashed lines) after oral administration of CV-8834 at 1.08 mg/kg.
FIG. 59 is a graph showing levels of CV-8814 (solid triangles, solid lines) and trimetazidine (open triangles, dashed lines) after oral administration of CV-8834 at 2.15 mg/kg.
Data from FIGS. 55-59 is summarized in Table 57.
Table 57
Figure imgf000085_0001
FIG. 60 is a graph showing levels of trimetazidine after oral administration of CV-8972 at 1.5 mg/kg (triangles) or intravenous administration of trimetazidine at 2 mg/kg (squares).
FIG. 61 is a graph showing levels of CV-8814 after oral administration of CV-8972 at 1.5 mg/kg (triangles) or intravenous administration of CV-8814 at 2.34 mg/kg (squares).
FIG. 62 is a graph showing levels of CV-8814 after intravenous administration of CV- 8834 at 4.3 mg/kg (squares) or oral administration of CV-8834 at 2.15 mg/kg (triangles).
FIG. 63 is a graph showing levels of CV-8814 after intravenous administration of CV- 8814 at 2.34 mg/kg (squares) or oral administration of CV-8814 at 2.34 mg/kg (triangles).
Data from FIGS. 60-63 is summarized in Table 58.
Table 58.
Figure imgf000086_0001
Effect of CV-8814 on enzyme activity
The effect of CV-8814 on the activity of various enzymes was analyzed in in vitro assays.
Enzyme activity was assayed in the presence of 10 μΜ CV-8814 using conditions of time, temperature, substrate, and buffer that were optimized for each enzyme based on published literature. Inhibition of 50% or greater was not observed for any of the following enzymes:
ATPase, Na+/K+, pig heart; Cholinesterase, Acetyl, ACES, human; Cyclooxygenase COX-1, human; Cyclooxygenase COX-2, human; Monoamine Oxidase MAO-A, human; Monoamine Oxidase MAO-B, human; Peptidase, Angiotensin Converting Enzyme, rabbit; Peptidase, CTSG (Cathepsin G), human; Phosphodiesterase PDE3, human; Phosphodiesterase PDE4, human; Protein Serine/Threonine Kinase, PKC, Non- selective, rat; Protein Tyrosine Kinase, Insulin Receptor, human; Protein Tyrosine Kinase, LCK, human; Adenosine Al, human; Adenosine A2A, human; Adrenergic aiA, rat; Adrenergic am, rat; Adrenergic am, human; Adrenergic a2A, human; Adrenergic a2B, human; Adrenergic βι, human; Adrenergic β2, human; Androgen (Testosterone), human; Angiotensin ATi, human; Bradykinin B2, human; Calcium Channel L- Type, Benzothiazepine, rat; Calcium Channel L-Type, Dihydropyridine, rat; Calcium Channel L- Type, Phenylalkylamine, rat; Calcium Channel N-Type, rat; Cannabinoid CBi, human;
Cannabinoid CB2, human; Chemokine CCR1, human; Chemokine CXCR2 (IL-8RB), human; Cholecystokinin CCKi (CCKA), human; Cholecystokinin CCK2 (CCKB), human; Dopamine Di, human; Dopamine D2L, human; Dopamine D2s, human; Endothelin ETA, human; Estrogen ERa, human; GABAA, Chloride Channel, TBOB, rat; GABAA, Flunitrazepam, Central, rat; GABAA, Ro-15-1788, Hippocampus, rat; GABABIA, human; Glucocorticoid, human; Glutamate, AMPA, rat; Glutamate, Kainate, rat; Glutamate, Metabotropic, mGlu5, human; Glutamate, NMDA, Agonism, rat; Glutamate, NMDA, Glycine, rat; Glutamate, NMDA, Phencyclidine, rat;
Glutamate, NMDA, Polyamine, rat; Glycine, Strychnine-Sensitive, rat; Histamine Hi, human; Histamine H2, human; Melanocortin MCi, human; Melanocortin MC4, human; Muscarinic Mi, human; Muscarinic M2, human; Muscarinic M3, human; Muscarinic M4, human; Neuropeptide Y Yi, human; Nicotinic Acetylcholine, human; Nicotinic Acetylcholine al, Bungarotoxin, human; Opiate δι (OP1, DOP), human; Opiate κ (OP2, KOP), human; Opiate μ (OP3, MOP), human; Platelet Activating Factor (PAF), human; Potassium Channel [KATP], hamster; Potassium Channel hERG, human; PPARy, human; Progesterone PR-B, human; Serotonin (5- Hydroxytryptamine) 5-HTIA, human; Serotonin (5 -Hydroxy tryptamine) 5-HTiB, human;
Serotonin (5-Hydroxytryptamine) 5-HT2A, human; Serotonin (5-Hydroxytryptamine) 5-HT2B, human; Serotonin (5-Hydroxytryptamine) 5-HT2c, human; Serotonin (5-Hydroxytryptamine) 5- HT3, human; Sodium Channel, Site 2, rat; Tachykinin NKi, human; Transporter, Adenosine, guinea pig; Transporter, Dopamine (DAT), human; Transporter, GABA, rat; Transporter, Norepinephrine (NET), human; Transporter, Serotonin (5-Hydroxytryptamine) (SERT), human; and Vasopressin VIA, human. Analysis of CV-8972 batch properties
CV-8972 (2-(4-(2,3,4-trimethoxybenzyl)piperazin-l-yl)ethyl nicotinate, HC1 salt, monohydrate) was prepared and analyzed. The batch was determined to be 99.62% pure by HPLC.
FIG. 64 is a graph showing the HPLC elution profile of a batch of CV-8972.
FIG. 65 is a graph showing analysis of molecular species present in a batch of CV-8972. FIG. 66 is a pair of graphs showing HPLC elution profiles of molecular species present in a batch of CV-8972.
FIG. 67 is a pair of graphs showing HPLC elution profiles of molecular species present in a batch of CV-8972.
FIG. 68 is a graph showing X-ray powder diffraction analysis of a batch of CV-8972.
FIG. 69 is a graph showing X-ray powder diffraction analysis of batches of CV-8972. Batch 289-MB A- 15-A, shown in blue, contains form B of CV-8972, batch 276-MBA-172, shown in black contains form A of CV-8972, and batch 289-MB A- 16, shown in red, contains a mixture of forms A and B.
FIG. 70 is a graph showing differential scanning calorimetry and thermal gravimetric analysis of batch 276-MB A- 172 of CV-8972.
FIG. 71 is a graph showing dynamic vapor sorption (DVS) of batch 276-MB A- 172 of CV-8972.
FIG. 72 is a graph showing differential scanning calorimetry and thermal gravimetric analysis of batch 289-MBA-15-A of CV-8972.
FIG. 73 is a graph showing dynamic vapor sorption (DVS) of batch 289-MB A- 15-A of CV-8972.
FIG. 74 is a graph showing X-ray powder diffraction analysis of samples of CV-8972. A pre-DVS sample from batch 276-MB A- 172 is shown in blue, a pre-DVS sample from batch 289- MB A- 15-A is shown in red, and a post-DVS sample from batch 289-MB A- 15-A is shown in black.
FIG. 75 is a graph showing differential scanning calorimetry and thermal gravimetric analysis of batch 289-MB A- 16 of CV-8972.
FIG. 76 is a graph showing X-ray powder diffraction analysis of samples of CV-8972.
Form B is shown in green, form A is shown in blue, a sample from an ethanol slurry of batch 289-MBA-15-A is shown in red, and a sample from an ethanol slurry of batch 289-MBA-16 is shown in black.
The stability of CV-8972 was analyzed.
Samples from batch 289-MB A- 15-A (containing form B) were added to various solvents, incubated under various conditions, and analyzed by X-ray powder diffraction. Results are summarized in Table 59.
Table 59.
Figure imgf000089_0001
Samples from batch 289-MB A- 16 (containing forms A and B) were added to various solvents, incubated under various conditions, and analyzed by X-ray powder diffraction. Results are summarized in Table 60. Table 60.
Figure imgf000090_0001
FIG. 77 is a graph showing X-ray powder diffraction analysis of samples of CV-8972. A sample containing form B is shown in blue, a sample containing form A is shown in red, and a sample containing a mixture of forms A and C is shown in black.
The stability of CV-8972 was analyzed. Aqueous samples containing CV-8972 at different concentrations and pH were incubated for various periods and analyzed. Results are shown in Table 61.
Table 61.
Sample Time pH Retention Time Decrease in purity
(hrs) 2.2 2.6 4.2 4.7 5.6 of CV-8972 between time points
276-MB A- 172 0 6.6 3.39 0.6 0.23 0.54 95.24
10 mg/mL pH 6 1 6.8 4.81 0.81 0.23 0.73 93.43 1.81
(Form A) 4 6.8 5.72 0.9 0.21 0.83 91.82 1.61
6 6.7 6.45 0.81 ND 0.93 91.8 0.02
22 6.7 7.38 1.54 0.13 1.11 89.66 2.14
276-MB A- 172 0 6.1 ND ND 1.29 ND 98.01
2 mg/mL pH 6 1 6.1 1.5 ND 1.28 ND 97.22 0.79
(Form A) 4 6.1 2.03 ND 0.95 ND 97.01 0.21
6 6.1 2.47 ND 1.02 ND 96.51 0.5
22 6.1
289-MBA-15-A 10 0 6 3.3 0.6 0.26 0.48 95.36 mg/niL H 6 (Form 1 6.1 3.76 0.65 0.25 0.53 94.81 0.55 B) 4 6 3.97 0.59 0.19 0.56 94.69 0.12
6 5.9 4.3 0.54 0.17 0.6 94.39 0.3
22 5.9 4.53 0.69 0.19 0.65 93.93 0.46
289-MBA-15-A 2 0 6.9 1.33 ND 1.19 ND 97.48 mg/niL pH 6 (Form 1 6.9 3.73 ND 1.17 ND 95.1 2.38 B) 4 6.8 5.25 0.67 0.84 0.79 92.45 2.65
6 6.8 6.63 0.9 0.83 0.99 90.65 1.8
22 6.7 7.72 1.13 0.86 1.14 89.15 1.5
276-MBA-172 10 0 7.1 5.9 0.94 0.22 0.78 92.85 mg/mL pH 7 (Form 1 7.2 8.12 1.45 0.21 1.17 89.05 3.8 A) 4 7.1 10.14 1.48 0.13 1.46 86.8 2.25
6 7.1 11.63 1.78 0.13 1.67 84.79 2.01
22 7
276-MB A- 172 2 0 6.7 1.42 ND 1.05 ND 97.53 mg/mL pH 7 (Form 1 6.8 3.31 ND 1.06 0.57 95.06 2.47 A) 4 6.7 4.21 0.58 0.82 0.69 93.7 1.36
6 6.7 5.63 0.67 0.74 0.85 92.12 1.58
22 6.8 6.26 0.85 0.85 0.98 91.07 1.05
289-MBA-15-A 10 0 7.4 6.2 1.16 0.27 0.87 91.5
mg/mL pH 7 (Form 1 7.4 10.47 1.65 0.25 1.44 86.18 5.32 B) 4 7.4 13.64 1.93 0.19 1.89 82.36 3.82
6 7.3 15.66 2.57 0.2 0.2 79.37 2.99
22 7.1
289-MBA-15-A 2 0 6.5 1.62 ND 0.9 ND 97.48 mg/mL pH 7 (Form 1 6.6 3.16 ND 0.89 0.49 95.46 2.02 B) 4 6.5 4.27 0.53 0.66 0.62 93.92 1.54
6 6.5
22 6.5 Samples from batch S-18-0030513 (containing form A) were added to various solvents, incubated under various conditions, and analyzed by X-ray powder diffraction. Results are summarized in Table 62.
Table 62.
Figure imgf000092_0001
Samples from batch 289-MB A- 16 (containing forms A and B) were added to various solvents, incubated under various conditions, and analyzed by X-ray powder diffraction. Results are summarized in Table 63.
Table 63.
Figure imgf000092_0002
THF SC from 60 °C Form B
EtOH SC from 60 °C Form A + Form C
MeOH/H20 (95:5) Slurry, overnight, 1 g scale Form A
FIG. 78 is a graph showing differential scanning calorimetry and thermal gravimetric analysis of samples containing form A of CV-8972. A sample from an ethanol acetate-water slurry is shown with solid lines, a sample from a methanol-water slurry is shown with regularly- dashed lines, and a sample from an ethanol-water slurry is shown with dashed-dotted lines.
FIG. 79 is a graph showing differential scanning calorimetry and thermal gravimetric analysis of a sample containing form A of CV-8972. Prior to analysis, the sample was dried at 100°C for 20 minutes.
Samples containing form A of CV-8972 were analyzed for stability in response to humidity. Samples were incubated at 40 °C, 75% relative humidity for various periods and analyzed. Results are shown in Table 64.
Table 64.
Figure imgf000093_0001
Form A of CV-8972 were analyzed for stability in aqueous solution. Aqueous samples containing CV-8972 at different concentrations and pH were incubated for various periods and analyzed. Results are shown in Table 65.
Table 65.
Figure imgf000093_0002
pH=2.0 1 1.03 ND 0.94 ND 98.03 -0.86
2 1.9 ND 1 ND 97.11 -1.79
6 5.25 0.83 0.96 0.78 92.18 -6.78
12.5 mg/niL, Initial 0 ND ND 1.79 ND 98.21 - pH=2.1 1 1.38 ND 1.41 ND 97.21 -1.02
2 2.43 ND 1.67 ND 95.9 -2.35
6 6.59 1.04 1.74 1.04 89.58 -8.79
4.2 mg/niL, Initial 0 ND ND 5.35 ND 94.65 - pH=2.3 1 ND ND 4.02 ND 95.98 1.41
2 3.72 ND 5.09 ND 91.19 -3.66
6 9.71 ND 5.3 ND 84.99 -10.21
The amount of CV-8972 present in various dosing compositions was analyzed. Results are shown in Table 66.
Table 66.
Figure imgf000094_0001
Brain-to-plasma ratio of compounds in vivo
The brain-to-plasma ratio of trimetazidine and CV-8814 was analyzed after intravenous administration of the compounds to rats. Dosing solutions were analyzed by liquid
chromatography tandem mass spectrometry (LC-MS/MS). Results are shown in Table 67. Table 67.
Figure imgf000095_0001
The concentrations of compounds in the brain and plasma were analyzed 2 hours after administering compounds at 1 mg/kg to rats. Results from trimetazidine-treated rats are shown in Table 68. Results from CV-8814-treated rats are shown in Table 69.
Table 68: TMZ-treated rats
Figure imgf000095_0002
Table 69: CV-8814-treated rats
Figure imgf000095_0003
The average B:P ratio for trimetazidine-treated rats was 2.33 + 0.672. The average B:P ratio for trimetazidine-treated rats was 1.32 + 0.335.
Incorporation by Reference
References and citations to other documents, such as patents, patent applications, patent publications, journals, books, papers, web contents, have been made throughout this disclosure. All such documents are hereby incorporated herein by reference in their entirety for all purposes.
Equivalents
Various modifications of the invention and many further embodiments thereof, in addition to those shown and described herein, will become apparent to those skilled in the art from the full contents of this document, including references to the scientific and patent literature cited herein. The subject matter herein contains important information, exemplification and guidance that can be adapted to the practice of this invention in its various embodiments and equivalents thereof.

Claims

Claims
What is claimed is:
1. A compound represented by formula (VII): A-C (VII), wherein:
A comprises a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation; and
C is a NAD+ precursor molecule.
2. The compound of claim 1, wherein C is covalently linked to A.
3. The compound of claim 2, wherein A is PEGylated with an ethylene glycol moiety.
4. The compound of claim 3, wherein the ethylene glycol moiety comprises (CH2CH20)X, wherein x = 1-15.
5. The compound of claim 4, wherein the covalent linkage is via the ethylene glycol moiety.
6. The compound of claim 4, wherein the covalent linkage is not via the ethylene glycol moiety.
7. The compound of claim 1, wherein A is selected from the group consisting of
trimetazidine, etomoxir, perhexiline, a PPAR agonist, a malonyl CoA decarboxylase inhibitor, and dichloroacetate.
8. The compound of claim 1, wherein C is selected from the group consisting of nicotinic acid, nicotinamide, and nicotinamide riboside.
9. The compound of claim 8, wherein C is nicotinic acid.
10. The compound of claim 5, wherein the compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation is a PEGylated form of trimetazidine.
11. The compound of claim 10, wherein C is nicotinic acid that is covalently linked to the PEGylated form of trimetazidine.
12. The compound of claim 11, wherein the nicotinic acid is covalently linked to the PEGylated form of trimetazidine via the PEGylated moiety.
13. The compound of claim 12, wherein the compound is represented by formula (X):
Figure imgf000098_0001
14. The compound of claim 11, wherein the nicotinic acid is covalently linked to the PEGylated form of trimetazidine via the trimetazidine moiety.
15. The compound of claim 1, wherein A is trimetazidine that is covalently linked to C, which is nicotinic acid.
16. A compound represented by formula (VIII):
A-L-C (VIII), wherein:
A is a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation;
L is a linker; and
C is a NAD+ precursor molecule.
17. The compound of claim 16, wherein A is selected from the group consisting of trimetazidine, etomoxir, perhexiline, a PPAR agonist, a malonyl CoA decarboxylase inhibitor, and dichloroacetate.
18. The compound of claim 17, wherein A is trimetazidine.
19. The compound of claim 16, wherein C is selected from the group consisting of nicotinic acid, nicotinamide, and nicotinamide riboside.
20. The compound of claim 19, wherein C is nicotinic acid.
21. The compound of claim 16, wherein L comprises (CH2CH20)X, wherein x = 1-15.
22. The compound of claim 21 wherein A is trimetazidine.
23. The compound of claim 22, wherein the compound is represented formula (X):
Figure imgf000099_0001
24. A compound represented by formula (VI):
Figure imgf000100_0001
wherein:
at least one of positions A, B, C, D, E, and F is substituted with
-(CH2CH20)nH and n = 1-15.
25. The compound of claim 24, wherein position F is substituted.
26. The compound of claim 25, wherein the compound is represented by formula (IX):
Figure imgf000100_0002
A compound represented by formula (I): A-L-B (I), wherein:
A is a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation;
L is a linker; and
B is a compound that promotes mitochondrial respiration.
28. The compound of claim 27, wherein A is selected from the group consisting of trimetazidine, etomoxir, perhexiline, a PPAR agonist, a malonyl CoA decarboxylase inhibitor, and dichloroacetate.
29. The compound of claim 28, wherein A is trimetazidine.
30. The compound of claim 29, wherein B is selected from the group consisting of succinate, fumarate, malate, oxaloacetate, citrate, isocitrate, a-ketoglutarate, pyruvate, acetone, acetoacetic acid, β-hydroxybutyric acid, β-ketopentanoate, and β-hydroxypentanoate.
31. The compound of claim 30, wherein B is succinate.
32. The compound of claim 27, wherein L comprises (CH2CH20)X, wherein x = 1-15.
33. The compound of claim 27, further comprising C, which is chemically linked to the compound of formula (I), wherein C is a NAD+ precursor molecule.
34. The compound of claim 33, wherein C is selected from the group consisting of nicotinic acid, nicotinamide, and nicotinamide riboside.
35. The compound of claim 34, wherein C is nicotinic acid and the compound of formula (I) is represented by formula (II):
Figure imgf000102_0001
wherein y = 1-3.
The compound of claim 31, wherein the compound of formula (I) is represented by formula (III):
Figure imgf000102_0002
A compound represented by formula (IV)
Figure imgf000103_0001
(IV), wherein:
R 1 , FT2, and R 3J are independently selected from the group consisting of H and a (Q- C4)alkyl group;
R4 and R5 together are =0, -0(CH2)mO-, or -(CH2)m- wherein m = 2-4, or R4 is H and R5 is OR14, SR14, or (CH2CH20)nH, wherein R14 is H or a (Ci-C4)alkyl group and n = 1-15; and
R6 is a single or multi-ring structure optionally substituted at one or more ring positions by a heteroatom, wherein each ring position optionally comprises one or more substituents.
38. The compound of claim 37, wherein at least one ring position of R6 comprises a substituent that comprises a compound that promotes mitochondrial respiration.
39. The compound of claim 38, wherein the compound that promotes mitochondrial respiration is selected from the group consisting of succinate, fumarate, malate, oxaloacetate, citrate, isocitrate, a-ketoglutarate, pyruvate, acetone, acetoacetic acid, β-hydroxybutyric acid, β- ketopentanoate, and β-hydroxypentanoate.
40. The compound of claim 39, wherein the compound that promotes mitochondrial respiration is succinate. The compound of claim 38, wherein the substituent comprises (CH2CH20)X, wherein
1-15.
42. The compound of claim 38, wherein the substituent comprises a NAD+ precursor molecule.
43. The compound of claim 42, wherein the NAD+ precursor molecule is selected from the group consisting of nicotinic acid, nicotinamide, and nicotinamide riboside.
44. The compound of claim 43, wherein the NAD+ precursor molecule is nicotinic acid and the substituent is
Figure imgf000104_0001
wherein y = 1-3.
45. The compound of claim 40, wherein the substituent is
Figure imgf000104_0002
wherein y = 1-3.
46. The compound of claim 37, wherein R6 is
Figure imgf000105_0001
47. The compound of claim 37, wherein the compound is represented by structure selected from the group consisting of formua (IX) and formula (XO:
Figure imgf000105_0002
48. A compound represented by formula (V):
Figure imgf000106_0001
(V),
wherein:
R 1 , FT2, and R 3J are independently selected from the group consisting of H and a (Q- C4)alkyl group;
R4 and R8 together are =0, -0(CH2)mO- or -(CH2)m-, wherein m = 2-4, or R4 is H and R8 is H, OR14, SR14, or (CH2CH20)nH, wherein R14 is H or a (Ci-C4)alkyl group and n = 115;
R9, R10, R12, and R13 are independently selected from the group consisting of H and (CH2CH20)zH, wherein z = 1-6; and
R11 comprises a compound that promotes mitochondrial respiration.
49. The compound of claim 48, wherein the compound that promotes respiration is selected from the group consisting of succinate, fumarate, malate, oxaloacetate, citrate, isocitrate, a- ketoglutarate, pyruvate, acetone, acetoacetic acid, β-hydroxybutyric acid, β-ketopentanoate, and β-hydroxypentanoate.
50. The compound of claim 49, wherein the compound that promotes respiration is succinate.
51. The compound of claim 48, wherein R11 further comprises (CH2CH20)x, wherein x = 1- 15.
52. The compound of claim 51, wherein R11 is
Figure imgf000107_0001
wherein y = 1-3.
53. The compound of claim 48, wherein R further comprises a NAD+ precursor molecule.
54. The compound of claim 53, wherein the NAD+ precursor molecule is selected from the group consisting of nicotinic acid, nicotinamide, and nicotinamide riboside.
55. The compound of claim 54, wherein NAD+ precursor molecule is nicotinic acid and R11 is
Figure imgf000107_0002
wherein y = 1-3.
56. A method of increasing efficiency of cardiac metabolism in a subject, the method comprising providing a compound represented by formula (I):
A-L-B (I), wherein: A is a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation;
L is a linker; and
B is a compound that promotes mitochondrial respiration.
57. The method of claim 56, wherein A is selected from the group consisting of
trimetazidine, etomoxir, perhexiline, a PPAR agonist, a malonyl CoA decarboxylase inhibitor, and dichloroacetate.
58. The method of claim 57, wherein A is trimetazidine.
59. The method of claim 58, wherein B is selected from the group consisting of succinate, fumarate, malate, oxaloacetate, citrate, isocitrate, a-ketoglutarate, pyruvate, acetone, acetoacetic acid, β-hydroxybutyric acid, β-ketopentanoate, and β-hydroxypentanoate.
60. The method of claim 59, wherein B is succinate.
61. The method of claim 56, wherein L comprises (CH2CH20)X, wherein x = 1-15.
62. The method of claim 56, wherein the compound represented by formula (I) further comprises C, which is chemically linked to the compound of formula (I), wherein C is a NAD+ precursor molecule.
63. The method of claim 62, wherein C is selected from the group consisting of nicotinic acid, nicotinamide, and nicotinamide riboside.
64. The method of claim 63, wherein C is nicotinic acid and the compound of formula (I) is represented by formula (II):
Figure imgf000109_0001
wherein y = 1-3.
The method of claim 60, wherein the compound of formula (I) is represented by formula
Figure imgf000109_0002
(HI), wherein y = 1-3.
66. A method of increasing efficiency of cardiac metabolism in a subject, the method comprising providing:
a first compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation;
a second compound that promotes mitochondrial respiration; and
a third compound that is a NAD+ precursor molecule.
67. The method of claim 66, wherein the first compound is selected from the group consisting of trimetazidine, etomoxir, perhexiline, a PPAR agonist, a malonyl CoA
decarboxylase inhibitor, and dichloroacetate.
68. The method of claim 67, wherein the first compound is trimetazidine.
69. The method of claim 66, wherein the second compound is selected from the group consisting of succinate, fumarate, malate, oxaloacetate, citrate, isocitrate, a-ketoglutarate, pyruvate, acetone, acetoacetic acid, β-hydroxybutyric acid, β-ketopentanoate, and β- hydroxypentanoate.
70. The method of claim 69, wherein the second compound is succinate.
71. The method of claim 66, wherein the third compound is selected from the group consisting of nicotinic acid, nicotinamide, and nicotinamide riboside.
72. The method of claim 71, wherein the third compound is nicotinic acid.
73. The method of claim 66, wherein the first compound, the second compound, and the third compound are provided in a single composition.
74. The method of claim 66, wherein the first compound, the second compound, and the third compound are not provided in a single composition.
75. A composition comprising at least two selected from the group consisting of A, B, and C, wherein:
A is a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation;
B is a compound that promotes mitochondrial respiration; and
C is a NAD+ precursor molecule.
76. The composition of claim 75, wherein the compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation is trimetazidine.
77. The composition of claim 75, wherein the compound that promotes mitochondrial respiration is selected from the group consisting of succinate, fumarate, malate, oxaloacetate, citrate, isocitrate, a-ketoglutarate, pyruvate, acetone, acetoacetic acid, β-hydroxybutyric acid, β- ketopentanoate, and β-hydroxypentanoate.
78. The composition of claim 75, wherein the NAD+ precursor molecule is selected from the group consisting of nicotinic acid, nicotinamide, and nicotinamide riboside.
79. The composition of claim 75, wherein the composition comprises A, B, and C.
80. The composition of claim 79, wherein the composition comprises a co-crystal comprising:
a first molecule comprising A and B; and
a second molecule comprising C.
81. The composition of claim 80, wherein:
A is trimetazidine;
B is succinate; and
C is nicotinamide.
82. The composition of claim 81, wherein the first molecule comprises trimetazidine covalently linked to succinate via a linker.
83. The composition of claim 82, wherein the linker comprises (CH2CH20)X, wherein x = 1- 15.
84. A method of treating in a subject a condition associated with heart failure, cardiac dysfunction, muscle myopathy, impaired mitochondrial function, or altered fatty acid oxidation, the method comprising providing a compound represented by formula (I):
A-L-B (I), wherein:
A is a compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation;
L is a linker; and
B is a compound that promotes mitochondrial respiration.
85. The method of claim 84, wherein A is selected from the group consisting of
trimetazidine, etomoxir, perhexiline, a PPAR agonist, a malonyl CoA decarboxylase inhibitor, and dichloroacetate.
86. The method of claim 85, wherein A is trimetazidine.
87. The method of claim 86, wherein B is selected from the group consisting of succinate, fumarate, malate, oxaloacetate, citrate, isocitrate, a-ketoglutarate, pyruvate, acetone, acetoacetic acid, β-hydroxybutyric acid, β-ketopentanoate, and β-hydroxypentanoate.
88. The method of claim 87, wherein B is succinate.
89. The method of claim 84, wherein L comprises (Ώ¾ ¾0)χ, wherein x = 1-15.
90. The method of claim 84, wherein the compound represented by formula (I) further comprises C, which is chemically linked to the compound of formula (I), wherein C is a NAD+ precursor molecule.
91. The method of claim 90, wherein C is selected from the group consisting of nicotinic acid, nicotinamide, and nicotinamide riboside.
92. The method of claim 91, wherein C is nicotinic acid and the compound of formula (I) is represented by formula (II):
Figure imgf000113_0001
wherein y = 1-3.
The method of claim 88, wherein the compound of formula (I) is represented by formula
Figure imgf000113_0002
(HI), wherein y = 1-3.
94. A method of treating in a subject a condition associated with heart failure, cardiac dysfunction, muscle myopathy, impaired mitochondrial function, or altered fatty acid oxidation, the method comprising providing:
a first compound that shifts cardiac metabolism from fatty acid oxidation to glucose oxidation;
a second compound that promotes mitochondrial respiration; and
a third compound that is a NAD+ precursor molecule.
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