WO2018111060A1 - Combinaciones y métodos para el tratamiento de dolor neuropático - Google Patents
Combinaciones y métodos para el tratamiento de dolor neuropático Download PDFInfo
- Publication number
- WO2018111060A1 WO2018111060A1 PCT/MX2016/000137 MX2016000137W WO2018111060A1 WO 2018111060 A1 WO2018111060 A1 WO 2018111060A1 MX 2016000137 W MX2016000137 W MX 2016000137W WO 2018111060 A1 WO2018111060 A1 WO 2018111060A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pregabalin
- lipoic acid
- alpha lipoic
- pharmaceutical composition
- neuropathic pain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/38—Heterocyclic compounds having sulfur as a ring hetero atom
- A61K31/385—Heterocyclic compounds having sulfur as a ring hetero atom having two or more sulfur atoms in the same ring
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/195—Carboxylic acids, e.g. valproic acid having an amino group
- A61K31/197—Carboxylic acids, e.g. valproic acid having an amino group the amino and the carboxyl groups being attached to the same acyclic carbon chain, e.g. gamma-aminobutyric acid [GABA], beta-alanine, epsilon-aminocaproic acid or pantothenic acid
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/02—Drugs for disorders of the nervous system for peripheral neuropathies
Definitions
- the present invention belongs to the field of medicine, in particular the therapeutic treatment of neuropathic pain.
- Neuropathic pain is a state of chronic pain that can persist for a long time after the resolution of the damage that caused it.
- neuropathic pain can be defined as one that is caused by a lesion or dysfunction located in the somatosensory nervous system.
- the number of adults with chronic pain is estimated at around 100 million inhabitants, with an annual cost of 635 billion dollars a year (Descalzi G, Ikegami D, üshijima T, Nestler EJ, Zachariou V, Narita M. Epigenetic mechanisms of chronic pain Trends Neurosci. 2015; 38 (4): 237-46).
- nerve injury spontaneously generates a constant painful sensation that is often described as burning pain; or intermittent pain that is perceived as a shot or electric shock.
- neuropathic pain is characterized by a marked reduction in the stimulation thresholds required to induce pain, such that innocuous stimuli, such as touch, can cause pain (allodynia) and painful stimuli generate an exaggerated unpleasant response (hyperalgesia) .
- neuropathic pain Current clinical treatment of neuropathic pain includes the use of antidepressants, anticonvulsants and local anesthetics as first-line drugs, while opioids are used as second-line or third-line treatment drugs. But nevertheless, The existing therapy today is of limited efficacy and is far from being completely safe (Attal N. 2012. Neuropathic pain: mechanisms, therapeutic approach, and interpretation of clinical triáis. Continuum (Minneap Minn). 18 (1): 161- 75.; Baron R. 2009. Neuropathic pain: a clinical perspective. Handb Exp Pharmacol. 194: 3-30; Dworkin RH. 2007. Pharmacologic management of neuropathic pain: evidence-based recommendations. Pain. 132 (3): 237- 51). Therefore there is a need to seek therapeutic alternatives that allow developing more effective and safe neuropathic pain treatments.
- Figure 3 Response dose curve showing the percentage of maximum possible antineuropathic effect (% MEP) obtained with oral administration of increasing doses of the pregabalin + alpha lipoic acid combination (0.15 + 3.6 / 0.3 + 7.2, 0.6 + 14.4, and 1.2 + 28.8 mg / kg, respectively) in the neuropathic pain model induced by spinal nerve ligation L5-L6.
- Figure 4 Isobologram showing the synergistic interaction obtained with the pregabalin + alpha lipoic acid combination administered orally in the neuropathic pain model induced by the l5-L6 spinal nerve ligation in rats.
- the points located on the X and Y axis represent the ED50 values for pregabalin and alpha lipoic acid obtained experimentally.
- the diagonal line that joins the ED50 of pregabalin and alpha lipoic acid is the additive line.
- the point (T) located in the middle of the additive line represents the theoretical DE50 of the combination.
- Point (E) indicates the experimental DE50 for the combination.
- the present invention relates to a method of treatment of neuropathic pain, which comprises administering alpha lipoic acid and pregabalin.
- the present invention provides a pharmaceutical composition comprising a combination of alpha lipoic acid and pregabalin.
- the pharmaceutical composition of the present invention is useful for the treatment of neuropathic pain.
- the present invention relates to a method of treatment of neuropathic pain, which comprises administering pregabalin and alpha lipoic acid in a synergistically effective amount.
- a "synergistically effective amount”, as used herein, refers to an amount of pregabalin and an amount of alpha lipoic acid whose therapeutic effect after administration in combination is greater than the sum of the therapeutic effects of pregabalin and alpha lipoic acid. after administering them separately.
- the method of treatment of the invention comprises administering pregabalin and alpha lipoic acid in a weight ratio of pregabalin to alpha lipoic acid of 1: 3 to 1: 8, preferably 1: 5.
- the treatment method comprises administering pregabalin in an amount of 40 mg to 160 mg, and alpha lipoic acid in an amount of 200 to 800 mg.
- pregabalin is administered in an amount of 65 to 150 mg and alpha lipoic acid is administered in an amount of 400 to 600 mg.
- the method of the present invention comprises administering pregabalin and alpha lipoic acid orally.
- pregabalin and alpha lipoic acid can occur through a pharmaceutical composition comprising both substances.
- the present invention relates to a pharmaceutical composition
- a pharmaceutical composition comprising alpha lipoic acid and pregabalin in synergistically effective amounts.
- the pharmaceutical composition of the invention comprises pregabalin and alpha lipoic acid in a weight ratio of pregabalin to alpha acid. lipoic from 1: 1.25 to 1:25, preferably 1: 5.
- the pharmaceutical composition according to the present invention comprises 40 mg to 160 mg of pregabalin and 200 to 800 mg of alpha lipoic acid. In a particular embodiment, the pharmaceutical composition of the invention comprises 75 to 150 mg of pregabalin and 400 to 600 mg of alpha lipoic acid.
- the pharmaceutical composition according to the present invention comprises alpha lipoic acid and pregabalin as active ingredients, and also comprises pharmaceutically acceptable excipients.
- the active ingredients of the present invention may be in free form or as a pharmaceutically acceptable salt thereof.
- compositions according to the present invention include diluents, carriers, solubilizers, emulsifiers, binders, preservatives and / or pharmaceutically acceptable adjuvants.
- the pharmaceutical composition of the present invention can be formulated for oral administration.
- the compositions Pharmaceuticals of the present invention can be formulated to deliver the active ingredients in a sustained or controlled manner. Such formulations will be apparent to a technician in the field of pharmaceutical formulations.
- Example 1 Antineurapathic effect of the combination of pregabalin and alpha lipoic acid.
- the antineuropathic effect of the combination of pregabalin and alpha lipoic acid was determined by the neuropathic pain model induced by the binding of spinal nerves L5-L6 in rats.
- mice Female Wistar rats with a body weight of 120-140 g were used for all experiments. Animals they were maintained with controlled temperature conditions (22 ° C) and free access to water and food in the experimental rooms. The experiments were carried out according to the guidelines on ethical aspects for the investigation of experimental pain in animals (Zimmermann M. 1983. Ethical guidelines for investigations of experimental pain in conscious animáis. Pain. 16: 109-110.).
- Rats were prepared according to the method described by Kim SH, Chung JM. 1992. An experimental model for peripheral neuropathy produced by segmental spinal nerve ligation in the rat. Pain 50 (3): 355-63.
- the animal On the day of surgery, the animal was anesthetized with a mixture of ketamine (45 mg / kg, ip) and xylazine (12 mg / kg, ip). Subsequently, an incision was made just to the left side of the spine at the level of the L4-S1 vertebrae. Carefully spinal nerves they were tied with 6-0 silk thread and then the muscle was sutured with absorbable thread, while the skin was sutured with 6-0 silk thread.
- Touch allodynia was determined according to the method previously described by Chaplan SR, Bach FW, Pogrel JW, Chung JM, Yaksh TL. 1994. Quantitative assessment of tactile allodynia in the rat paw. J Neurosci Methods. 53 (l): 55-63. In this model, the rats were placed in observation boxes on a metal mesh bottom and set for 30 min. Immediately afterwards, the mechanical threshold of paw withdrawal was measured and systemic administration of the drugs was carried out. Subsequently, the mechanical leg removal threshold was measured at 0.5, 1, 2, 3, 4, 5, 6, 7 and 8 hours. In this model, the increase in Withdrawal threshold is considered as an antinociceptive effect (analgesia). Likewise, the model has a cut-off value of 15 g and the group of falsely operated rats (sham) determines 100% antineuropathic effect in the model, while neuropathic rats administered with vehicle represent 0% antineuropathy.
- % MEP (ABC Drug - Neuropathic ABC) / (ABC Sham - Neuropathic ABC) x 100
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Nutrition Science (AREA)
- Physiology (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Organic Chemistry (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
Claims
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA3047077A CA3047077C (en) | 2016-12-14 | 2016-12-14 | Combinations and methods for the treatment of neuropathic pain |
| MX2016017321A MX2016017321A (es) | 2016-12-14 | 2016-12-14 | Combinacicones y metodos para el tratamiento de dolor neuropatico. |
| BR112019012226-5A BR112019012226A2 (pt) | 2016-12-14 | 2016-12-14 | combinações e métodos para tratamento da dor neuropática |
| EP16923959.7A EP3593795B1 (en) | 2016-12-14 | 2016-12-14 | Combinations and methods for the treatment of neuropathic pain |
| PCT/MX2016/000137 WO2018111060A1 (es) | 2016-12-14 | 2016-12-14 | Combinaciones y métodos para el tratamiento de dolor neuropático |
| US16/469,277 US12029727B2 (en) | 2016-12-14 | 2016-12-14 | Combinations and methods for the treatment of neuropathic pain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/MX2016/000137 WO2018111060A1 (es) | 2016-12-14 | 2016-12-14 | Combinaciones y métodos para el tratamiento de dolor neuropático |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2018111060A1 true WO2018111060A1 (es) | 2018-06-21 |
Family
ID=62559579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/MX2016/000137 Ceased WO2018111060A1 (es) | 2016-12-14 | 2016-12-14 | Combinaciones y métodos para el tratamiento de dolor neuropático |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US12029727B2 (es) |
| EP (1) | EP3593795B1 (es) |
| BR (1) | BR112019012226A2 (es) |
| CA (1) | CA3047077C (es) |
| MX (1) | MX2016017321A (es) |
| WO (1) | WO2018111060A1 (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022097764A1 (ko) * | 2020-11-04 | 2022-05-12 | 전남대학교병원 | 프레가발린 및 티아넵틴을 포함하는 신경병성 통증 치료용 약학적 조성물 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110129442A1 (en) * | 2007-10-23 | 2011-06-02 | Magri Paolo | Lipoic acid pellet composition |
| US20160058752A1 (en) * | 2014-02-04 | 2016-03-03 | Afgin Pharma, Llc | Topical peripheral neuro-affective (tpna) therapy for neuropathic conditions |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014168228A1 (ja) * | 2013-04-12 | 2014-10-16 | マルホ株式会社 | 局所用組成物 |
-
2016
- 2016-12-14 EP EP16923959.7A patent/EP3593795B1/en active Active
- 2016-12-14 WO PCT/MX2016/000137 patent/WO2018111060A1/es not_active Ceased
- 2016-12-14 US US16/469,277 patent/US12029727B2/en active Active
- 2016-12-14 CA CA3047077A patent/CA3047077C/en active Active
- 2016-12-14 MX MX2016017321A patent/MX2016017321A/es unknown
- 2016-12-14 BR BR112019012226-5A patent/BR112019012226A2/pt not_active Application Discontinuation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110129442A1 (en) * | 2007-10-23 | 2011-06-02 | Magri Paolo | Lipoic acid pellet composition |
| US20160058752A1 (en) * | 2014-02-04 | 2016-03-03 | Afgin Pharma, Llc | Topical peripheral neuro-affective (tpna) therapy for neuropathic conditions |
Non-Patent Citations (11)
| Title |
|---|
| ATTAL N.: "Neuropathic pain: mechanisms, therapeutic approach, and interpretation of clinical trials", CONTINUUM (MINNEAP MINN, vol. 18, no. 1, 2012, pages 161 - 75 |
| BARON R.: "Neuropathic pain: a clinical perspective", HANDB EXP PHARMACOL., vol. 194, 2009, pages 3 - 30, XP009165261 |
| CHAPLAN SRBACH FWPOGREL JWCHUNG JMYAKSH TL: "Quantitative assessment of tactile allodynia in the rat paw", J NEUROSCI METHODS, vol. 53, no. 1, 1994, pages 55 - 63, XP024352718, DOI: doi:10.1016/0165-0270(94)90144-9 |
| DESCALZI GIKEGAMI DUSHIJIMA TNESTLER EJZACHARIOU VNARITA M: "Epigenetic mechanisms of chronic pain", TRENDS NEUROSCI., vol. 38, no. 4, 2015, pages 237 - 46 |
| DWORKIN RH.: "Pharmacologic management of neuropathic pain: evidence-based recommendations", PAIN, vol. 132, no. 3, 2007, pages 237 - 51, XP022336213, DOI: doi:10.1016/j.pain.2007.08.033 |
| GUEVARA-LOPEZ UCOVARRUBIAS-GOMEZ AGARCIA-RAMOS GHERNANDEZ-JIMENEZ S: "Grupo de Consenso para el Manejo del Dolor Neuropatico. Parametros de practica para el manejo de dolor neuropatico", REV INVEST CLIN., vol. 58, no. 2, 2006, pages 126 - 38 |
| KIM SHCHUNG JM: "An experimental model for peripheral neuropathy produced by segmental spinal nerve ligation in the rat", PAIN, vol. 50, no. 3, 1992, pages 355 - 63, XP024378108, DOI: doi:10.1016/0304-3959(92)90041-9 |
| See also references of EP3593795A4 |
| TALLARIDA RJ.: "Drug Synergism and Dose-Effect Data Analysis", 2000, CHAPMAN & HALL/CRC, pages: 1 - 72 |
| VASUDEVAN ET AL.: "Efficacy and Safety of Methylcobalamin, Alpha Lipoic Acid and Pregabalin Combination Versus Pregabalin Monotherapy in Improving Pain and Nerve Conduction Velocity in Type 2 Diabetes Associated Impaired Peripheral Neuropathic Condition. [Maintain]: Results of ' a Pilot Study", ANNALS OF INDIAN ACADEMY OF NEUROLOGY, vol. 17, no. 1, 1 March 2014 (2014-03-01), XP055493723, Retrieved from the Internet <URL:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3992764/?report=printable> * |
| ZIMMERMANN M.: "Ethical guidelines for investigations of experimental pain in conscious animals", PAIN, vol. 16, 1983, pages 109 - 110, XP024379143, DOI: doi:10.1016/0304-3959(83)90201-4 |
Also Published As
| Publication number | Publication date |
|---|---|
| US12029727B2 (en) | 2024-07-09 |
| CA3047077C (en) | 2024-01-02 |
| CA3047077A1 (en) | 2018-06-21 |
| MX2016017321A (es) | 2018-08-20 |
| EP3593795B1 (en) | 2025-11-12 |
| EP3593795A4 (en) | 2020-05-06 |
| EP3593795A1 (en) | 2020-01-15 |
| US20200101043A1 (en) | 2020-04-02 |
| BR112019012226A2 (pt) | 2019-11-05 |
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