WO2024177104A1 - 末梢神経障害の治療又は予防のための医薬 - Google Patents
末梢神経障害の治療又は予防のための医薬 Download PDFInfo
- Publication number
- WO2024177104A1 WO2024177104A1 PCT/JP2024/006205 JP2024006205W WO2024177104A1 WO 2024177104 A1 WO2024177104 A1 WO 2024177104A1 JP 2024006205 W JP2024006205 W JP 2024006205W WO 2024177104 A1 WO2024177104 A1 WO 2024177104A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pharmaceutical composition
- peripheral neuropathy
- alkalizing agent
- composition according
- 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
Links
Images
Classifications
-
- 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
- A61K31/194—Carboxylic acids, e.g. valproic acid having two or more carboxyl groups, e.g. succinic, maleic or phthalic acid
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K33/00—Medicinal preparations containing inorganic active ingredients
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K33/00—Medicinal preparations containing inorganic active ingredients
- A61K33/06—Aluminium, calcium or magnesium; Compounds thereof, e.g. clay
- A61K33/10—Carbonates; Bicarbonates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
-
- 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
- A61K9/20—Pills, tablets, discs, rods
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P13/00—Drugs for disorders of the urinary system
- A61P13/02—Drugs for disorders of the urinary system of urine or of the urinary tract, e.g. urine acidifiers
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
Definitions
- the present invention relates to a novel pharmaceutical composition comprising an alkalizing agent. More specifically, the present invention relates to a pharmaceutical composition comprising an alkalizing agent for treating or preventing peripheral neuropathy.
- This application claims priority based on Japanese Patent Application No. 2023-027474, filed on February 24, 2023, the contents of which are incorporated herein by reference.
- Peripheral neuropathy is a pathology caused by dysfunction of peripheral nerve cells, and is caused by damage to the nerve cell body and axon of peripheral nerve cells, and the myelin sheath formed by the surrounding Schwann cells. Peripheral neuropathy is known to occur for various reasons, including trauma, administration of anticancer drugs, and metabolic diseases such as diabetes, and causes sensory abnormalities such as pain, hyperalgesia, hypoesthesia, and numbness, significantly reducing the quality of life (QOL) of patients and resulting in social losses. Pain due to peripheral neuropathy is pain caused by primary damage or dysfunction of any part of the peripheral nerve transmission system. The cause of this nerve damage is mainly trauma or injury to peripheral nerves, nerve plexuses, or perineural soft tissues.
- Pain due to peripheral neuropathy can also occur due to injury to central somatosensory pathways (e.g., ascending somatosensory pathways in the spinal cord, brainstem, thalamus, or cortex). Pain due to peripheral neuropathy can be induced by, for example, neurodegenerative diseases, bone degenerative diseases, metabolic disorders, cancer, infection, inflammation, post-surgery, trauma, radiation therapy, anticancer drug treatment, etc.
- central somatosensory pathways e.g., ascending somatosensory pathways in the spinal cord, brainstem, thalamus, or cortex. Pain due to peripheral neuropathy can be induced by, for example, neurodegenerative diseases, bone degenerative diseases, metabolic disorders, cancer, infection, inflammation, post-surgery, trauma, radiation therapy, anticancer drug treatment, etc.
- diabetic peripheral neuropathy is a peripheral neuropathy induced by diabetes, and it is known that peripheral neuropathy such as hyperesthesia or hypoesthesia occurs as diabetes progresses.
- Diabetic peripheral neuropathy is classified into polyneuropathy, whose symptoms include numbness, pain, abnormal temperature sensation, and hypoesthesia in the limbs, autonomic neuropathy, whose symptoms include abnormal sweating and bowel movements, and mononeuropathy, whose symptoms include abnormalities in the cranial nerves, such as facial nerve paralysis and external ophthalmoplegia.
- polyneuropathy and autonomic neuropathy are caused by abnormalities in polyol metabolism, and are collectively called diffuse symmetric neuropathy.
- Mononeuropathy is said to be caused by vascular occlusion.
- neuropathic pain which is said to be caused by functional abnormalities or damage of the peripheral or central nervous system itself, and its main symptoms include allodynia and hyperalgesia, in which tactile stimuli are mistaken for pain.
- Polyneuropathy is the most common type of diabetic neuropathy, and symptoms appear in multiple areas of the body. It is caused by damage to sensory and motor nerves.
- abnormal sensations hyperalgesia, hypoesthesia, numbness (including tingling sensation), cold sensation, burning sensation, crawling sensation (sensation of insects), etc.
- pain salivatica, trigeminal neuralgia, intercostal neuralgia, neuralgia related to pain in the limbs, etc.
- the pain is accompanied by numbness and is described as a "tingling pain", and is often intensified at night.
- the symptoms begin with pain and numbness in the extremities of the hands and feet, just covered by socks or gloves, and a dull sensation that feels like tissue paper is stuck to the soles of the feet (glove/sock type).
- the symptoms then spread from the toes to the knees, from the hands to the elbows, and toward the center of the body.
- the pain is also caused by neuropathic pain.
- Motor nerve disorders appear later than sensory disorders, and cause muscle weakness and atrophy.
- symptoms include atrophy and weakening of the muscles in the buttocks and thighs, accompanied by pain.
- Non-Patent Document 1 The guidelines state that tricyclic antidepressants have a significant analgesic effect compared to placebo for a wide variety of peripheral and central neuropathic pain.
- tricyclic antidepressants have been reported to increase the incidence of falls and sudden cardiac death in elderly patients, so they should be used with caution, starting with a low dose.
- the only drug for which moderate evidence of its effectiveness has been obtained in the guidelines is duloxetine (Non-Patent Document 1).
- duloxetine has been reported to cause suicidal thoughts and suicide attempts, and side effects such as dizziness, headache, and nausea upon discontinuation of administration (especially abrupt discontinuation) have been reported, and it is known that careful administration is required (Non-Patent Document 2).
- citric acid preparations or alkalizing agents such as sodium bicarbonate are known to be effective against hyperuricemia or gout, which are representative lifestyle-related diseases. It is also known that administration of an alkalizing agent can shift acidic urine to alkaline and inhibit the formation of urinary stones. It is also known that administration of an alkalizing agent to early CKD patients inhibits the progression of renal damage and reduces the blood concentration of uremic substances (Patent Documents 1 and 2). Furthermore, it is known that citric acid preparations inhibit renal fibrosis in diabetic nephropathy (Patent Document 3). However, it is not known that alkalizing agents are effective in preventing or treating peripheral neuropathy.
- One object of the present invention is to provide a pharmaceutical agent useful for treating or preventing peripheral neuropathy. Another object of the present invention is to provide a pharmaceutical composition which contains an alkalizing agent and suppresses the onset of peripheral neuropathy. Another object of the present invention is to provide a method for treating or preventing peripheral neuropathy induced by some lesion or disease. Another object of the present invention is to provide a method for treating or preventing diabetes-induced peripheral neuropathy. Another object of the present invention is to provide a method for treating peripheral neuropathy, in which the onset of peripheral neuropathy is suppressed.
- the inventors conducted extensive research to achieve the above object, and discovered that a specific alkalizing agent is useful for treating or preventing peripheral neuropathy, thus completing the present invention.
- a pharmaceutical composition for treating or preventing peripheral neuropathy comprising an alkalizing agent.
- the pharmaceutical composition according to (1), wherein the peripheral neuropathy is pain, sensory disorder, motor disorder, autonomic neuropathy, or a complication thereof caused by peripheral neuropathy.
- the pharmaceutical composition according to (1) or (2), wherein the peripheral neuropathy is peripheral neuropathic pain.
- the pharmaceutical composition according to (3), wherein the peripheral neuropathic pain is shooting pain, burning pain, pain (excluding shooting pain and burning pain), or tingling.
- the alkalizing agent is sodium citrate, potassium citrate, or a hydrate thereof, or a mixture thereof.
- the pharmaceutical composition according to any one of (1) to (12), wherein the alkalizing agent comprises a mixture of sodium citrate or a hydrate thereof and potassium citrate or a hydrate thereof.
- the peripheral neuropathy is diabetic peripheral neuropathy.
- the pharmaceutical composition, combination preparation, and pharmaceutical kit provided by the present invention make it possible to treat or prevent peripheral neuropathy.
- the pharmaceutical composition and pharmaceutical kit provided by the present invention make it possible to treat or prevent peripheral neuropathy, particularly peripheral neuropathic pain, with suppression.
- FIG. 1 shows the effect of an alkalinizing agent on neuropathic pain in STZ-induced diabetic model rats, and shows the pain scores for mechanical allodynia in each test group on day 21 after the start of STZ administration.
- compositions for treating or preventing peripheral neuropathy can contain an alkalizing agent as an active ingredient.
- "Containing an alkalizing agent as an active ingredient” means that in the pharmaceutical composition, the alkalizing agent is the main ingredient, or the alkalizing agent functions as a substantial active ingredient for treating or preventing peripheral neuropathy, and contains an effective amount for said treatment or prevention.
- An alkalizing agent is an agent capable of increasing the HCO3- concentration or pH of a mammalian (especially human) body fluid, such as blood or urine.
- alkalizing agents include citric acid, its hydrates or mixtures thereof, and sodium bicarbonate (sodium bicarbonate).
- citric acid include alkali metal citrates.
- alkali metal citrates include potassium citrate and sodium citrate, which may be hydrates such as stable potassium citrate monohydrate (C6H5K3O7.H2O) and sodium citrate dihydrate (C6H5Na3O7.2H2O), respectively.
- Examples of preferred alkalizing agents included in the pharmaceutical composition provided by the present invention include sodium citrate, potassium citrate, or hydrates thereof, or mixtures thereof, such as a mixture of potassium citrate monohydrate (C6H5K3O7.H2O) and sodium citrate dihydrate (C6H5Na3O7.2H2O).
- the mixing ratio of potassium citrate monohydrate (C6H5K3O7.H2O) and sodium citrate dihydrate (C6H5Na3O7.2H2O) can be appropriately determined by those skilled in the art, and for example, the molar ratio of potassium citrate monohydrate to sodium citrate dihydrate can be 1 part potassium citrate monohydrate to 0.01 to 100 parts sodium citrate dihydrate.
- potassium citrate e.g., potassium citrate monohydrate
- sodium citrate e.g., sodium citrate dihydrate
- the molar ratio of potassium citrate (e.g., potassium citrate monohydrate) and sodium citrate (e.g., sodium citrate dihydrate) can be appropriately set by a person skilled in the art, and may be, for example, 0.85:1.15-1.15:0.85, 0.90:1.10-1.10:0.90, 0.95:1.05-1.05:0.95, or 0.99:1.01-1.01:0.99, with 1:1 being preferred.
- an active ingredient contained in the pharmaceutical composition provided by the present invention is sodium citrate or a hydrate thereof, such as sodium citrate dihydrate (C6H5Na3O7.2H2O).
- Another example of an active ingredient contained in the pharmaceutical composition provided by the present invention is potassium citrate or a hydrate thereof, such as potassium citrate monohydrate (C6H5K3O7.H2O).
- the alkalinizing agent included in the pharmaceutical composition of the present invention may comprise a mixture of sodium citrate or a hydrate thereof and potassium citrate or a hydrate thereof.
- the alkalizing agent contained in the pharmaceutical composition of the present invention may be a mixture of potassium citrate, sodium citrate, and citric acid (e.g., anhydrous citric acid).
- the mixing ratio (molar ratio) of citric acid e.g., anhydrous citric acid
- potassium citrate, and sodium citrate can be appropriately set by those skilled in the art and may be, for example, 1:1.7-2.3:1.7-2.3, 1:1.9-2.1:1.9-2.1, or 1:1.95-2.05:1.95-2.05, with 1:2:2 being preferred.
- the alkalizing agent contained in the pharmaceutical composition of the present invention may be a mixture of potassium citrate monohydrate (C6H5K3O7.H2O), sodium citrate dihydrate (C6H5Na3O7.2H2O) and anhydrous citric acid.
- the mixing ratio (molar ratio) of anhydrous citric acid, potassium citrate monohydrate (C6H5K3O7.H2O) and sodium citrate dihydrate (C6H5Na3O7.2H2O) can be appropriately set by those skilled in the art and may be, for example, 1:1.7-2.3:1.7-2.3, 1:1.9-2.1:1.9-2.1 or 1:1.95-2.05:1.95-2.05, with 1:2:2 being preferred.
- the alkalinizing agent contained in the pharmaceutical composition of the present invention may consist solely of a mixture of sodium citrate or a hydrate thereof and potassium citrate or a hydrate thereof.
- a pharma- ceutically acceptable salt of citric acid or a hydrate or mixture thereof (e.g., potassium citrate monohydrate (C6H5K3O7 ⁇ H2O) and sodium citrate dihydrate (C6H5Na3O7 ⁇ 2H2O)), the weight may be the dry weight.
- a pharma- ceutically acceptable salt of citric acid or a hydrate or mixture thereof (e.g., potassium citrate monohydrate (C6H5K3O7 ⁇ H2O) and sodium citrate dihydrate (C6H5Na3O7 ⁇ 2H2O))
- the weight may be the dry weight.
- the treatment or prevention of peripheral neuropathy can be treatment or prevention of organic damage to the peripheral nerves.
- the treatment or prevention of peripheral neuropathy may be the treatment or prevention of a symptom caused by peripheral neuropathy, such as pain, sensory disorder, motor disorder, autonomic neuropathy, or a complication thereof.
- the "peripheral neuropathy” can be pain, sensory disorder, motor disorder, autonomic neuropathy, or a complication thereof caused by peripheral neuropathy.
- the "peripheral neuropathy” may be peripheral neuropathic pain.
- the "peripheral neuropathic pain” can be electric shock pain, burning pain, pain (excluding electric shock pain and burning pain), or tingling.
- the "peripheral neuropathy” may be a sensory disorder, such as hypoesthesia, hyperesthesia, or dysesthesias, caused by peripheral neuropathy.
- the hyperesthesia is a concept that includes allodynia, and mechanical allodynia caused by mechanical stimuli.
- the dysesthesias is a concept that includes dysesthesias and paresthesias, and cold dysesthesias caused by cold stimuli.
- One aspect of sensory and/or motor disorders is "numbness.” Therefore, the pharmaceutical composition provided by the present invention may be a pharmaceutical composition for treating or preventing numbness caused by peripheral neuropathy.
- the "peripheral neuropathy” may be an autonomic neuropathy caused by peripheral neuropathy. Typical symptoms caused by the autonomic neuropathy include dysuria, abnormal sweating, orthostatic hypotension, constipation, paralytic ileus, and the like. In one embodiment, the "peripheral neuropathy” may manifest symptoms in the limbs of mammals (particularly humans), and may particularly manifest symptoms in the peripheral limbs.
- peripheral neuropathy can be treated or prevented by administration of a pharmaceutical composition provided by the present invention that contains an alkalinizing agent as an active ingredient.
- pain, sensory disorder, motor disorder, autonomic neuropathy, or complications thereof caused by peripheral neuropathy can be treated or prevented by administration of a pharmaceutical composition comprising an alkalizing agent as an active ingredient, as provided by the present invention.
- pain caused by peripheral neuropathy may be referred to as peripheral neuropathic pain.
- peripheral neuropathic pain that can be treated or prevented by the pharmaceutical composition provided by the present invention, which contains an alkalizing agent as an active ingredient, is not particularly limited, but typically, pain referred to as shooting pain, burning pain, pain (excluding shooting pain and burning pain), or tingling can be treated or prevented.
- the concept of sensory disorders caused by peripheral neuropathy includes hypoesthesia, hyperesthesia, and dysesthesia.
- the concept of hyperesthesia includes allodynia, and the concept of dysesthesia includes dysesthesia and paresthesia.
- sensory disorders caused by peripheral neuropathy such as hypoesthesia, hyperesthesia, and dysesthesia, including allodynia, dysesthesia, and paresthesia, can be treated or prevented.
- the administration of a pharmaceutical composition comprising an alkalizing agent as an active ingredient provided by the present invention can treat or prevent symptoms caused by autonomic nerve disorders, such as dysuria, abnormal sweating, orthostatic hypotension, constipation, or paralytic ileus.
- symptoms manifesting in the extremities can be treated or prevented in mammals, particularly humans, by administration of a pharmaceutical composition provided by the present invention comprising an alkalizing agent as an active ingredient.
- treatment refers to the disappearance, cure, treatment or remission of a "pathological” or “abnormal” symptom, condition or disease, and to actions or means for achieving this; it refers to the “suppression” of the worsening of a "pathological” or “abnormal” symptom, condition or disease, and to actions or means for achieving this; and it also refers to "improvement.”
- “treatment” refers to the disappearance, cure, treatment or amelioration of a "pathological” or “abnormal” symptom, condition or disease, and the act or means therefor.
- treatment refers to the disappearance, cure, treatment or amelioration of a "pathological” or “abnormal” symptom, condition or disease.
- “suppression” includes stopping, slowing down, or reducing the worsening or progression of a symptom, condition, or disease, and an action or means therefor, and is a concept including improving the symptom, condition, or disease, or an action or means therefor.
- “improvement” includes bringing a "pathological” or “abnormal” symptom, condition, or disease closer to a “healthy” or “normal” state, or an action or means therefor, and is a concept including bringing the symptom, condition, or disease closer to a "healthy” or “normal” state, or an action or means therefor.
- "improvement” includes a numerical value that is an index of a "pathological” or “abnormal” symptom or condition becoming smaller or larger according to the “improvement”, approaching a normal value, or becoming a normal value.
- the "worsening or progression of a symptom, condition, or disease” includes the worsening or progression of a "pathological” or “abnormal” symptom, condition, or disease, and the worsening or progression from a "healthy” or “normal” state to a "pathological” or “abnormal” symptom, condition, or disease.
- inhibiting refers to stopping, slowing or reducing the worsening or progression of a symptom, condition or disease, or an act or means therefor. In another embodiment, “inhibition” refers to stopping, slowing or reducing the worsening or progression of a symptom, condition or disease.
- health refers to a state free of acute or chronic disease or disorder
- normal refers to a state that is normally manifested in a healthy subject.
- prevention is a concept that includes preventing the onset of "pathological” or “abnormal” symptoms, conditions, or diseases, and the actions or means for achieving this. Therefore, “suppressing" "pathological” or “abnormal” symptoms, conditions, or diseases in a state where they are not onset (also called manifestation) can include the concept of "prevention.”
- treatment of peripheral neuropathic pain is a concept including the disappearance, cure, healing, or remission of peripheral neuropathic pain induced due to some lesion, disease, etc., and actions or means therefor, the inhibition of peripheral neuropathic pain induced due to some lesion, disease, etc., and actions or means therefor, and also includes the amelioration of peripheral neuropathic pain induced due to some lesion, disease, etc.
- the concept includes the inhibition of the symptoms or conditions of the pain by administration of a pharmaceutical composition provided by the present invention that contains an alkalizing agent as an active ingredient, as compared to placebo administration or control.
- prevention of peripheral neuropathic pain is a concept including preventing the onset of peripheral neuropathic pain induced by some lesion, disease, etc., and actions or means therefor, and also includes suppressing the onset of the pain before the onset of the pain, and actions or means therefor.
- a pharmaceutical composition containing an alkalizing agent as an active ingredient provided by the present invention when administered before the onset of peripheral neuropathic pain induced by some lesion, disease, etc., even if the pain onsets, if the symptoms or condition of the pain are suppressed compared to placebo administration or control, such a phenomenon can be included in the scope of prevention.
- the above-mentioned “suppression” effect, in the case of "pain,” can be evaluated based on the "pain score" described below, in comparison with placebo administration or a control.
- the concept of treatment and prevention can be understood by replacing the above-mentioned "pain” with the symptoms or conditions of peripheral neuropathy, as already explained. For evaluation of the effect, an appropriate index can be applied instead of the "pain score".
- the pharmaceutical composition provided by the present invention which contains an alkalizing agent as an active ingredient, is administered orally or parenterally to humans or other mammals.
- parenteral administration include intravenous administration, subcutaneous administration, intramuscular administration, intra-articular administration, transmucosal administration, transdermal administration, intranasal administration, rectal administration, intrathecal administration, intraperitoneal administration, and topical administration.
- the pharmaceutical composition provided by the present invention which contains an alkalizing agent as an active ingredient, may be prepared by mixing citric acid, a pharma- ceutically acceptable salt of citric acid, or a hydrate thereof or a mixture thereof; or sodium bicarbonate as it is, or with a pharma- ceutically acceptable carrier, for example, an excipient (e.g., lactose, D-mannitol, crystalline cellulose, glucose), a binder (e.g., hydroxypropylcellulose (HPC), gelatin, polyvinylpyrrolidone (PVP)), a lubricant (e.g., magnesium stearate, talc), a disintegrant (e.g., starch, carboxymethylcellulose calcium (CMC-Ca)), a diluent (e.g., water for injection, physiological saline), and, if necessary, other additives (e.g., pH adjuster, surfactant, solubilizing agent, preservative,
- citric acid a pharma- ceutically acceptable salt of citric acid, or a hydrate thereof or a mixture thereof; or sodium bicarbonate may be mixed with an excipient (e.g., lactose, D-mannitol, crystalline cellulose, glucose), a disintegrant (e.g., starch, carboxymethylcellulose calcium (CMC-Ca)), a binder (e.g., hydroxypropylcellulose (HPC), gelatin, polyvinylpyrrolidone (PVP)), a lubricant (e.g., magnesium stearate, talc), and the like to form a tablet.
- an excipient e.g., lactose, D-mannitol, crystalline cellulose, glucose
- a disintegrant e.g., starch, carboxymethylcellulose calcium (CMC-Ca)
- a binder e.g., hydroxypropylcellulose (HPC), gelatin, polyvinylpyrroli
- the pharmaceutical composition provided by the present invention which contains an alkalizing agent as an active ingredient
- the tablet provided by the present invention may contain, in addition to the active ingredient (e.g., potassium citrate or a hydrate thereof; sodium citrate or a hydrate thereof; or a mixture of potassium citrate monohydrate and sodium citrate dihydrate; or sodium bicarbonate), pharma- ceutically acceptable additives conventionally used in the pharmaceutical field. Examples of such additives include excipients, binders, disintegrants, flow agents, flavoring agents, lubricants, pH adjusters, surfactants, stabilizers, and flavoring agents.
- the content of the active ingredient in the tablet provided by the present invention may be 10-95% by weight, preferably 30-90% by weight, more preferably 60-85% by weight, based on the weight of the tablet.
- excipients examples include sugars such as lactose (e.g., lactose hydrate, anhydrous lactose), glucose, sucrose, fructose, maltose, etc., sugar alcohols such as erythritol, sorbitol, maltitol, xylitol, D-mannitol, etc., starch (e.g., corn starch, potato starch, rice starch, wheat starch), crystalline cellulose, magnesium aluminometasilicate, anhydrous calcium phosphate, precipitated calcium carbonate, calcium silicate, calcium lactate, and ethyl cellulose, with crystalline cellulose being particularly preferred.
- the content of the excipient in the tablet provided by the present invention may be 1 to 95% by weight, preferably 1 to 80% by weight, more preferably 3 to 80% by weight, and even more preferably 3 to 20% by weight, based on the weight of the tablet.
- binders examples include hydroxypropyl cellulose, hydroxypropyl methyl cellulose, polyvinylpyrrolidone, dextrin, methyl cellulose, polyvinyl alcohol, sodium alginate, aminoalkyl methacrylate copolymer, polyethylene glycol, pregelatinized starch (e.g., partially pregelatinized starch), agar, and gelatin, with hydroxypropyl cellulose being particularly preferred.
- the content of the binder in the tablet provided by the present invention may be 0.1-30% by weight, preferably 0.1-10% by weight, more preferably 0.3-3% by weight, based on the weight of the tablet.
- disintegrants examples include croscarmellose sodium, carmellose calcium, sodium carboxymethyl starch, low-substituted hydroxypropyl cellulose, crospovidone, starch (e.g., wheat starch, corn starch, partially pregelatinized starch) and carmellose, with partially pregelatinized starch being particularly preferred.
- the content of the disintegrant in the tablet provided by the present invention may be 0.3 to 20% by weight, preferably 1 to 10% by weight, more preferably 3 to 10% by weight, based on the weight of the tablet.
- Examples of flow agents that can be used in the tablets provided by the present invention include light anhydrous silicic acid, talc and magnesium aluminometasilicate.
- the content of the glidant in the tablet provided by the present invention may be 0.03-3 wt %, preferably 0.1-3 wt %, more preferably 0.3-3 wt %, based on the tablet.
- flavoring agents examples include acidulants such as citric acid (e.g., anhydrous citric acid), malic acid, acetic acid, tartaric acid, fumaric acid, ascorbic acid, etc. (however, the above flavoring agents are not included in the active ingredients according to the present invention), and sweeteners such as sodium saccharin, dipotassium glycyrrhizinate, aspartame (registered trademark), stevia, thaumatin, and sucralose.
- the content of the flavoring agent in the tablet provided by the present invention may be 0.03 to 3% by weight, preferably 0.1 to 3% by weight, more preferably 0.3 to 3% by weight, based on the weight of the tablet.
- Examples of lubricants that can be used in the tablets provided by the present invention include magnesium stearate, calcium stearate, talc, light anhydrous silicic acid, sucrose fatty acid esters, carnauba wax, macrogol and sodium stearyl fumarate, with magnesium stearate being particularly preferred.
- the content of the lubricant in the tablet provided by the present invention may be 0.1-30% by weight, preferably 0.3-10% by weight, more preferably 1-3% by weight, based on the tablet.
- pH adjusters examples include citric acid, phosphates (e.g., sodium dihydrogen phosphate, potassium dihydrogen phosphate), carbonates (e.g., magnesium carbonate, sodium carbonate), tartrates, fumarates, acetates, and amino acid salts (however, the above pH adjusters are not included in the active ingredients of the present invention).
- the content of the pH adjuster in the tablet provided by the present invention may be 0.1-30% by weight, preferably 0.3-10% by weight, more preferably 1-5% by weight, based on the weight of the tablet.
- surfactants examples include sodium lauryl sulfate, polysorbates, sucrose fatty acid esters, polyoxyethylene hydrogenated castor oil, polyoxyl stearate, macrogol and poloxamer.
- the content of the surfactant in the tablet provided by the present invention may be 0.01-3 wt %, preferably 0.03-1 wt %, more preferably 0.03-0.5 wt %, based on the weight of the tablet.
- stabilizers examples include citric acid (e.g., anhydrous citric acid), malic acid, acetic acid, tartaric acid, maleic acid, ascorbic acid, sodium edetate, and tocopherol (however, the stabilizers are not included in the active ingredients according to the present invention), with anhydrous citric acid being particularly preferred.
- the content of the stabilizer in the tablet provided by the present invention may be 0.01-30% by weight, preferably 0.1-30% by weight, more preferably 1-20% by weight, based on the weight of the tablet.
- flavors examples include citrus flavors such as lemon, orange, grapefruit, etc., peppermint, spearmint, and menthol, and can be contained in an appropriate amount in the tablet (for example, 0.01 to 1% by weight, more preferably 0.01 to 0.1% by weight, based on the tablet).
- the total content of the active ingredient and the pharma- ceutical acceptable additives does not exceed 100% by weight of the tablet.
- the tablet provided by the present invention contains the above-mentioned components and may be a plain tablet without a coating layer, or a film-coated tablet with a coating layer.
- the content of the coating layer can be appropriately set by those skilled in the art, and may be, for example, 0.1 to 10% by weight based on the plain tablet.
- the coating layer may appropriately contain a plasticizer, a colorant, a glossing agent, etc.
- Examples of coating bases that can be used in the tablet provided by the present invention include hydroxypropyl cellulose, hydroxypropyl methylcellulose, ethyl cellulose, cellulose acetate phthalate, methacrylic acid copolymer and polyvinylpyrrolidone, and hydroxypropyl methylcellulose is particularly preferred.
- the content of the coating base in the tablet provided by the present invention may be 0.01 to 10% by weight, preferably 0.3 to 3% by weight, based on the tablet.
- coating plasticizers examples include triethyl citrate, medium chain triglyceride, triacetin, glycerin, propylene glycol, and polyethylene glycol (e.g., Macrogol 6000), and particularly preferred is Macrogol 6000.
- the content of the coating plasticizer in the tablet provided by the present invention may be 0.01 to 1% by weight, preferably 0.03 to 3% by weight, based on the tablet.
- Examples of coating colorants that can be used in the tablet provided by the present invention include titanium oxide, yellow ferric oxide, ferric oxide, black ferric oxide, food blue No. 2, and aluminum lake food blue No. 2.
- the content of the coating colorant in the tablet provided by the present invention may be 0.01 to 1% by weight, preferably 0.03 to 3% by weight, based on the tablet.
- Examples of coating polishing agents that can be used in the tablet provided by the present invention include carnauba wax.
- the content of the coating polishing agent in the tablet provided by the present invention may be 0.0001-0.1% by weight, preferably 0.001-0.01% by weight, based on the tablet.
- the pharmaceutical composition provided by the present invention which contains an alkalizing agent as an active ingredient, can be manufactured by a method known in the pharmaceutical field.
- the manufacturing method may include a mixing step of mixing the active ingredient (e.g., potassium citrate or a hydrate thereof; sodium citrate or a hydrate thereof; a mixture of potassium citrate monohydrate and sodium citrate dihydrate; or sodium bicarbonate) with an additive, a granulation step, a tableting step, and/or a coating step.
- the active ingredient e.g., potassium citrate or a hydrate thereof; sodium citrate or a hydrate thereof; a mixture of potassium citrate monohydrate and sodium citrate dihydrate; or sodium bicarbonate
- the mixing step may include a step of mixing the active ingredient with additives such as excipients, stabilizers, disintegrants and/or binders. It may also include a step of mixing the mixture containing the active ingredient and additives with a lubricant, flavoring agent and/or fragrance before the tableting step. Mixing can be performed using a V-type mixer, W-type mixer, container mixer, tumbler mixer, stirring mixer, etc.
- the granulation step can be carried out by a granulation method known in the pharmaceutical field, examples of which include dry granulation, wet granulation, and fluidized bed granulation.
- the mixture obtained in the mixing step and the granulated product obtained in the granulation step can be appropriately pulverized and/or sieved to obtain a mixture or granulated product having a desired particle size.
- the pulverization can be performed using a pulverizer known in the pharmaceutical field, such as a ball mill, a jet mill, or a hammer mill.
- the sieving can be performed using a 16 mesh sieve (opening 1000 ⁇ m) to 32 mesh sieve (opening 500 ⁇ m), etc.
- the tableting process can be carried out by a tableting method known in the pharmaceutical field.
- tableting methods include direct tableting, dry tableting, wet tableting, and external lubrication tableting.
- the mixture or granules obtained in the above process can be tableted using a tableting machine known in the pharmaceutical field, such as a single-shot tableting machine or a rotary tableting machine.
- a tableting pressure of 1 kN to 30 kN can be used.
- the coating process can be carried out by a method known in the pharmaceutical field. For example, it can be carried out by spray coating the outside of the plain tablet with a coating liquid that contains a coating base and an appropriate amount of a plasticizer, colorant, gloss agent, etc.
- the tablet provided by the present invention can be produced by mixing an active ingredient, an excipient (e.g., lactose, D-mannitol, crystalline cellulose and/or glucose), a binder (e.g., hydroxypropylcellulose (HPC), gelatin and/or polyvinylpyrrolidone (PVP)), a stabilizer (e.g., anhydrous citric acid), a disintegrant (e.g., starch (e.g., partially pregelatinized starch) and/or carboxymethylcellulose calcium (CMC-Ca)) and a lubricant (e.g., magnesium stearate) and compressing the mixture to obtain a core tablet; and forming a coating layer containing a coating base (e.g., hydroxypropylcellulose, hydroxypropylmethylcellulose and/or PVP), a plasticizer (e.g., triethyl citrate and/or macrogol 6000), a colorant (e.g.,
- the amount of an alkalizing agent in the pharmaceutical composition provided by the present invention which contains an alkalizing agent as an active ingredient, can be appropriately determined.
- the amount of the alkalizing agent in the pharmaceutical composition provided by the present invention may be set so that the dosage of the alkalizing agent is an amount at which acidic urine in gout or hyperuricemia is improved by administration to a human, or an amount less than or greater than that amount, and may be set so that it is, for example, 100 to 800% by mass, 200 to 800% by mass, or 400 to 800% by mass of the daily dose approved in Japan for improving acidic urine in gout or hyperuricemia (e.g., when the alkalizing agent is a citric acid preparation: two tablets containing 231.5 mg of potassium citrate (C6H5K3O7.H2O) and 195.0 mg of sodium citrate hydrate (C6H5Na3O7.2H2O) per tablet are orally administered three times a day; when the alkalizing agent is sodium bicarbonate: 3 to
- the pharmaceutical composition provided by the present invention containing an alkalizing agent as an active ingredient is in the form of a tablet, and one tablet may contain 10 mg to 1 g, preferably 100 mg to 500 mg, and more preferably 400 mg to 500 mg of potassium citrate monohydrate or sodium citrate dihydrate as an active ingredient.
- the pharmaceutical composition provided by the present invention comprising an alkalizing agent as an active ingredient is in the form of a tablet, and each tablet may contain 10 mg to 300 mg of potassium citrate monohydrate and sodium citrate dihydrate, for a total of 20 mg to 600 mg, preferably 150 to 250 mg of each, for a total of 400 to 500 mg, and more preferably 190 to 240 mg of each, for a total of 400 to 450 mg.
- the pharmaceutical composition provided by the present invention containing an alkalizing agent as an active ingredient is a tablet, and one tablet may contain 10 mg to 1 g, preferably 100 mg to 500 mg, of sodium bicarbonate as the alkalizing agent.
- the pharmaceutical composition provided by the present invention which contains an alkalizing agent as an active ingredient, is in the form of a tablet, and contains 231.5 mg of potassium citrate monohydrate and 195.0 mg of sodium citrate dihydrate as active ingredients, and may contain anhydrous citric acid, crystalline cellulose, partially pregelatinized starch, hydroxypropyl cellulose, magnesium stearate, hypromellose, macrogol 6000, titanium oxide and carnauba wax as excipients.
- a dosage unit may be a tablet containing 231.5 mg of potassium citrate monohydrate and 195.0 mg of sodium citrate dihydrate.
- dosage unit refers to a unit of a formulation
- one dosage unit refers to the smallest unit of a formulation.
- the dosage unit is each tablet, and one dosage unit refers to one tablet.
- injections the dosage unit is an injection placed in a sealed container such as an ampoule or vial, and one dosage unit refers to an injection placed in a sealed container such as an ampoule or vial.
- the dosage unit is a powder or jelly formulation sealed and placed in a bag made of a single-layer or multi-layer film sheet such as polyethylene or a sheet with an aluminum layer on the sheet, and one dosage unit refers to a powder or jelly formulation placed in one sealed bag.
- the dosage unit is each capsule, and one dosage unit refers to one capsule.
- the dosage of the active ingredient is determined appropriately depending on the type of active ingredient, the method of administration, the age, weight, sex, symptoms, sensitivity to drugs, the severity of the lesion or disease that may cause peripheral neuropathy, the degree of peripheral neuropathy, etc., but the dosage may be adjusted depending on the severity of the lesion or disease that may cause peripheral neuropathy, the degree of peripheral neuropathy, and the state of improvement of symptoms.
- potassium citrate monohydrate and sodium citrate dihydrate when a mixture of potassium citrate monohydrate and sodium citrate dihydrate is orally administered to a human as an active ingredient, potassium citrate monohydrate and sodium citrate dihydrate may be administered at 1.5-6 g/day each for a total of 3-12 g/day, 1.5-9 g/day each for a total of 3-18 g/day, 1.5-12 g/day each for a total of 3-24 g/day, preferably 3-12 g/day each for a total of 6-24 g/day, 3-9 g/day each for a total of 6-18 g/day, or 6-9 g/day each for a total of 12-18 g/day, and may be administered 1-5 times a day, preferably 3 times a day.
- potassium citrate monohydrate or sodium citrate dihydrate when potassium citrate monohydrate or sodium citrate dihydrate is orally administered to a human as an active ingredient, it may be administered at 3 to 24 g/day, 3 to 18 g/day, or 3 to 12 g/day, and may be administered in divided doses 1 to 5 times a day, preferably 3 times a day.
- sodium bicarbonate when sodium bicarbonate is orally administered to humans as an active ingredient, it may be administered at 2.25 to 9 g/day, in one to five doses per day, preferably three doses per day.
- the pharmaceutical composition provided by the present invention which contains an alkalizing agent as an active ingredient, may be administered to a subject who is at risk of developing a lesion or disease that may cause peripheral neuropathy and is at risk of developing peripheral neuropathy, before the onset of the peripheral neuropathy, for the purpose of preventing the onset of the peripheral neuropathy, or may be administered from before the onset of the peripheral neuropathy and continued after the onset of the peripheral neuropathy, or may be administered to a subject who has developed peripheral neuropathy induced by some lesion or disease, for the purpose of treating the peripheral neuropathy. Such administration may be continued depending on the severity of the lesion or disease that may cause peripheral neuropathy, the severity of the peripheral neuropathy, and the status of improvement of symptoms.
- the pharmaceutical composition provided by the present invention comprising an alkalizing agent as an active ingredient may be administered chronically, for example, for 1 week, 2 weeks, 3 weeks, 6 weeks, 8 weeks, 10 weeks, 12 weeks, 24 weeks, 40 weeks, 60 weeks, 80 weeks, 100 weeks, 120 weeks, 1 week or more, 2 weeks or more, 3 weeks or more, 6 weeks or more, 8 weeks or more, 10 weeks or more, 12 weeks or more, 24 weeks or more, 40 weeks or more, 60 weeks or more, 80 weeks or more, 100 weeks or more, 12 weeks or more,
- the treatment is administered for 0 weeks or more, 6 weeks or more and 24 weeks or less, 12 weeks or more and 24 weeks or less, 6 weeks or more and 30 weeks or less, 12 weeks or more and 30 weeks or less, 6 weeks or more and 40 weeks or less, 12 weeks or more and 40 weeks or less, 6 weeks or more and 60 weeks or less, 12 weeks or more and 60 weeks or less, 6 weeks or more and 80 weeks or less, 12 weeks or more and 80 weeks or less, 6 weeks or more and 100 weeks,
- the pharmaceutical composition provided by the present invention which contains an alkalizing agent as an active ingredient, can be administered continuously every day from the appearance or onset of a lesion or disease that may cause peripheral neuropathy, and the therapeutic or preventive effect against peripheral neuropathy induced by some lesion, disease, etc. can be evaluated.
- the present invention provides a pharmaceutical composition for treating diabetes, in which the onset of diabetes-induced peripheral neuropathy is suppressed, the pharmaceutical composition comprising, as active ingredients, a diabetic treatment and an alkalizing agent.
- a "pharmaceutical composition for treating diabetes in which the onset of peripheral neuropathy caused by diabetes is suppressed” is a pharmaceutical composition for treating diabetes in which the onset of peripheral neuropathy is suppressed compared to a placebo.
- the "pharmaceutical composition for the treatment of diabetes in which the onset of peripheral neuropathy caused by diabetes is suppressed” is a pharmaceutical composition for the treatment of diabetes in which the onset of peripheral neuropathy induced by diabetes is suppressed, compared to a "pharmaceutical composition for the treatment of diabetes not containing an alkalizing agent" containing the same amount of a diabetic therapeutic agent as the "pharmaceutical composition for the treatment of diabetes in which the onset of peripheral neuropathy caused by diabetes is suppressed” provided by the present invention.
- the "pharmaceutical composition for treating diabetes in which the onset of peripheral neuropathy caused by diabetes is suppressed” is a pharmaceutical composition for treating diabetes in which peripheral neuropathy induced by diabetes is not caused.
- the inhibition rate of the onset of the peripheral neuropathy can be calculated based on an appropriate evaluation index, such as the "pain score” described below, in the case of "pain.”
- examples of the diabetes treatment drugs contained as active ingredients in the "pharmaceutical composition for treating diabetes in which the onset of peripheral neuropathy caused by diabetes is suppressed" include sulfonylurea drugs such as glibenclamide, gliclazide, and glimepiride; fast-acting insulin secretagogues such as nateglinide, mitiglinide calcium hydrate, and repaglinide; DPP-stimulants such as sitagliptin phosphate hydrate, vildagliptin, alogliptin benzoate, linagliptin, teneligliptin hydrobromide hydrate, anagliptin, saxagliptin hydrate, trelagliptin succinate, and omarigliptin.
- sulfonylurea drugs such as glibenclamide, gliclazide, and glimepiride
- fast-acting insulin secretagogues such as nateglinide, mi
- GLP-1 receptor agonists such as semaglutide
- glimin drugs such as imeglimin hydrochloride
- biguanides such as buformin hydrochloride and metformin hydrochloride
- thiazolidinediones such as pioglitazone hydrochloride
- glimin drugs such as imeglimin hydrochloride
- ⁇ -glucosidase inhibitors such as acarbose, voglibose and miglitol
- SGLT2 inhibitors such as ipragliflozin L-proline, dapagliflozin propylene glycol hydrate, luseogliflozin hydrate, tofogliflozin hydrate, canagliflozin hydrate and empagliflozin.
- the alkalizing agent contained as an active ingredient in the pharmaceutical composition provided by the present invention may be the aforementioned pharma- ceutically acceptable salt of citric acid, or a hydrate thereof, or a mixture thereof, and sodium bicarbonate.
- the pharmaceutical composition provided by the present invention can be administered to a subject suffering from any lesion, disease, etc. that may cause peripheral neuropathy, such as a human or other mammal, to suppress the onset of peripheral neuropathy.
- peripheral neuropathy such as a human or other mammal
- the pharmaceutical composition provided by the present invention is orally or parenterally administered to a subject suffering from any lesion, disease, etc. that may cause peripheral neuropathy, such as a human or other mammal.
- parenteral administration include intravenous administration, subcutaneous administration, intramuscular administration, intra-articular administration, transmucosal administration, transdermal administration, nasal administration, rectal administration, intrathecal administration, intraperitoneal administration, and topical administration.
- the pharmaceutical composition provided by the present invention may be prepared using the formulation techniques described above for the pharmaceutical composition containing an alkalizing agent as an active ingredient.
- Examples of other embodiments of the present invention include the following.
- ⁇ 1-3> An alkalizing agent or a pharmaceutical composition comprising an alkalizing agent for use according to ⁇ 1-1> or ⁇ 1-2>, wherein the peripheral neuropathy is peripheral neuropathic pain.
- ⁇ 1-4> An alkalizing agent or a pharmaceutical composition comprising an alkalizing agent for use according to ⁇ 1-3>, wherein the peripheral neuropathic pain is shooting pain, burning pain, pain (excluding shooting pain and burning pain), or tingling.
- ⁇ 1-5> An alkalizing agent or a pharmaceutical composition comprising an alkalizing agent for use according to ⁇ 1-1> or ⁇ 1-2>, wherein the peripheral neuropathy is a sensory disorder caused by peripheral neuropathy.
- ⁇ 1-6> An alkalizing agent or a pharmaceutical composition comprising an alkalizing agent for use according to ⁇ 1-5>, wherein the sensory disorder caused by peripheral neuropathy is hypoesthesia, hyperesthesia or dysesthesia.
- ⁇ 1-7> An alkalizing agent or a pharmaceutical composition comprising an alkalizing agent for use according to ⁇ 1-6>, wherein the hypersensitivity is allodynia and the paresthesia is dysesthesia or paresthesia.
- ⁇ 1-8> An alkalizing agent or a pharmaceutical composition comprising an alkalizing agent for use according to ⁇ 1-1> or ⁇ 1-2>, wherein the peripheral neuropathy is an autonomic neuropathy caused by peripheral neuropathy.
- ⁇ 1-10> The alkalinizing agent or a pharmaceutical composition comprising the alkalinizing agent, for use according to any one of ⁇ 1-1> to ⁇ 1-9>, wherein the peripheral neuropathy is a peripheral neuropathy whose symptoms appear in the limbs.
- alkalizing agent or a pharmaceutical composition comprising an alkalizing agent, for use according to any one of ⁇ 1-1> to ⁇ 1-10>, wherein the alkalizing agent is a pharma- ceutically acceptable salt of citric acid, or a hydrate thereof, or a mixture thereof.
- alkalizing agent or a pharmaceutical composition comprising an alkalizing agent, for use according to any one of ⁇ 1-1> to ⁇ 1-11>, wherein the alkalizing agent is sodium citrate, potassium citrate, or a hydrate thereof, or a mixture thereof.
- ⁇ 1-13> An alkalizing agent or a pharmaceutical composition comprising an alkalizing agent, for use according to any one of ⁇ 1-1> to ⁇ 1-12>, wherein the alkalizing agent comprises a mixture of sodium citrate or a hydrate thereof and potassium citrate or a hydrate thereof.
- ⁇ 1-14> An alkalizing agent or a pharmaceutical composition comprising an alkalizing agent, for use according to any one of ⁇ 1-1> to ⁇ 1-13>, wherein the alkalizing agent is sodium citrate or a hydrate thereof.
- ⁇ 1-15> An alkalizing agent or a pharmaceutical composition comprising an alkalizing agent, for use according to any one of ⁇ 1-1> to ⁇ 1-14>, wherein the pharmaceutical composition is a tablet.
- ⁇ 1-16> An alkalizing agent or a pharmaceutical composition comprising an alkalizing agent, for use according to any one of ⁇ 1-1> to ⁇ 1-10>, wherein the alkalizing agent is sodium bicarbonate.
- ⁇ 1-17> The alkalinizing agent or a pharmaceutical composition comprising the alkalinizing agent, for use according to any one of ⁇ 1-1> to ⁇ 1-16>, wherein the peripheral neuropathy is diabetic peripheral neuropathy.
- ⁇ 2-1> A method for treating or preventing peripheral neuropathy, comprising administering an effective amount of an alkalizing agent to a subject in need of such treatment or prevention.
- ⁇ 2-2> A method for treating peripheral neuropathy, comprising administering an effective amount of an alkalizing agent to a subject in need of treatment for peripheral neuropathy, thereby suppressing the onset of peripheral neuropathy.
- ⁇ 2-3> The method according to any one of ⁇ 2-1> or ⁇ 2-2>, wherein the peripheral neuropathy is diabetic peripheral neuropathy.
- ⁇ 3-1> Use of an alkalizing agent for producing a pharmaceutical composition for treating or preventing peripheral neuropathy.
- ⁇ 3-2> Use of an alkalizing agent for producing a pharmaceutical composition in which the onset of peripheral neuropathy is suppressed.
- ⁇ 3-3> The use according to any one of ⁇ 3-1> or ⁇ 3-2>, wherein the peripheral neuropathy is diabetic peripheral neuropathy.
- the present invention may provide an alkalizing agent, or a food composition comprising an alkalizing agent, for non-therapeutic use in suppressing peripheral neuropathy.
- the alkalizing agents described in "1. Pharmaceutical Composition" above can be used.
- the alkalizing agent include pharma- ceutical acceptable salts of citric acid (e.g., alkali metal citrate or its hydrate or a mixture thereof) as food acceptable salts of citric acid or sodium bicarbonate, preferably a mixture of potassium citrate monohydrate (C6H5K3O7.H2O) and sodium citrate dihydrate (C6H5Na3O7.2H2O), or sodium citrate dihydrate.
- the content of citric acid, a pharma- ceutically acceptable salt of citric acid, or a hydrate or mixture thereof; or sodium bicarbonate in the food composition provided by the present invention may be appropriately determined depending on the type of food.
- food compositions include foods for specified health uses, functional foods, foods for hospital patients, and supplements.
- the form of these food compositions is not particularly limited as long as they contain an effective amount of an alkalizing agent to achieve the above-mentioned effect and are in a form that can be taken orally, and may be in the form of a normal food or drink, or may be provided as a formulation suitable for oral administration, such as a tablet, capsule, or suspension, among the formulations that can be applied to the pharmaceutical composition.
- the composition and manufacturing method of these formulations the composition and manufacturing method of the pharmaceutical formulation described in "1.
- Pharmaceutical Composition" above in this specification can be applied as is, and in addition, formulation techniques known per se in the field of pharmaceutical formulation technology can be applied.
- each serving of the food may contain a total of 1-3 g (1/3) of potassium citrate monohydrate and sodium citrate dihydrate as active ingredients.
- each tablet may contain 70-80% by weight of citric acid, a pharma- ceutical acceptable salt of citric acid, or a hydrate or mixture of these, per 300 mg-600 mg tablet.
- the food composition provided by the present invention is not formulated but is provided in the form of a normal food or beverage, it can be prepared appropriately by a person skilled in the art depending on the type of food.
- it can be prepared by blending citric acid, a pharma- ceutically acceptable salt of citric acid, or a hydrate thereof or a mixture thereof (e.g., potassium citrate and/or sodium citrate), or sodium bicarbonate with a food ingredient.
- the form of the food and drink include liquid, milky, or paste-like foods such as beverages, soy sauce, milk, yogurt, and miso; semi-solid foods such as jellies and gummies; solid foods such as candy, gum, tofu, and supplements; and powdered foods.
- beverages include fruit juices, coffee beverages, oolong tea beverages, green tea beverages, black tea beverages, barley tea beverages, vegetable beverages, carbonated soft drinks, beverages containing fruit extracts, juices containing vegetable extracts, near water, sports drinks, diet drinks, and the like.
- the beverage may contain additives such as antioxidants, flavorings, various esters, organic acids, organic acid salts, inorganic acids, inorganic acid salts, inorganic salts, colorants, emulsifiers, preservatives, seasonings, sweeteners, acidulants, fruit juice extracts, vegetable extracts, nectar extracts, pH adjusters, and quality stabilizers, either alone or in combination.
- additives such as antioxidants, flavorings, various esters, organic acids, organic acid salts, inorganic acids, inorganic acid salts, inorganic salts, colorants, emulsifiers, preservatives, seasonings, sweeteners, acidulants, fruit juice extracts, vegetable extracts, nectar extracts, pH adjusters, and quality stabilizers, either alone or in combination.
- the food composition provided by the present invention can be used in the same manner as the method of using the pharmaceutical composition described in "1.
- Pharmaceutical composition above, and can also be used in a range not intended for the treatment or prevention of
- the food composition can be applied to a subject to which the pharmaceutical composition is applied so that the amount of the alkalizing agent used in the food composition is the same as the amount of the alkalizing agent contained in the pharmaceutical composition, based on the amount of the alkalizing agent contained in the food composition of the present invention.
- the "food composition" of the present invention can be ingested within the range of non-therapeutic use by a subject (e.g., a human or other mammal) who is currently receiving or will soon be receiving a therapeutic or preventive drug for a disease that may cause peripheral neuropathy, such as diabetes, to suppress the onset of peripheral neuropathy or to suppress an already-onset peripheral neuropathy.
- the alkalizing agent is a component of a pharmaceutical composition or a food composition
- the pharmacological effect of the alkalizing agent itself is basically the same, so the application amount and application method of the food composition can be appropriately adjusted based on the alkalizing agent depending on the expected effect.
- Food compositions that are applied to subjects (e.g., humans or other mammals) that do not have any "pathological" or “abnormal” symptoms, conditions, or diseases, i.e., subjects (e.g., humans or other mammals) that are in a "healthy” or “normal” state, in order to maintain or promote the "healthy” or “normal” state, may be specifically referred to as "foods with functional claims.”
- administration described in “1. Pharmaceutical composition” above can also be applied to the “food composition” of the present invention, and furthermore, for the “food composition” of the present invention, the term “administration” can be read as “ingestion.” Therefore, for example, the terms “administer” and “administered” can be read as “ingested,” “ingested,” “ingested,” etc., depending on the context.
- Example 1 Evaluation of Alkalizing Agents in STZ-Induced Diabetes Model (Test Substances)
- the drug used was a mixture of potassium citrate monohydrate (C6H5K3O7.H2O) at 463 mg per gram dry weight, sodium citrate dihydrate (C6H5Na3O7.2H2O) at 390 mg per gram dry weight, and 147 mg per gram of pharma- ceutical acceptable excipients (Uralyt U Powder, manufactured by Nippon Chemipha Co., Ltd.) as an alkalizing agent.
- the required amount of Uralyt U Powder (hereinafter simply referred to as "Uralyt") was weighed, dissolved in water for injection to the desired concentration, and prepared immediately before use.
- mice with a 50% escape threshold of 8 g or more in the pain evaluation and a blood glucose level of 300 mg/dL or less on the day of grouping were excluded from the grouping, and the animals were divided into a control group and an alkalizing agent group with 8 animals each using a computer program (IBUKI, Japan Bioresearch Center Co., Ltd.) so that the average values of the 50% escape threshold, blood glucose level, and body weight were almost equal.
- the groups were composed of three groups: Group 1: Sham group, Group 2: Control group, and Group 3: Alkalizing agent group. STZ was administered into the tail vein to rats in Group 2 (control group) and Group 3 (alkalinizing agent group candidate group).
- the 50% withdrawal threshold was calculated by the up-down stimulation method using von Frey filaments (target force: 0.4, 0.6, 1, 2, 4, 6, 8, 15 g, DanMic Global, LLC).
- 50% escape threshold (10(Xf+k ⁇ ))/10,000
- Xf evaluator size of the last von Frey filament used
- k Escape response pattern
- Average difference between filaments used The test animals were transferred to individual cages with mesh bottoms (W110 ⁇ D180 ⁇ H150 mm) for pain score measurement and allowed to acclimate to the new environment for at least 30 minutes before the test.
- the pharmaceutical composition provided by the present invention makes it possible to treat or prevent peripheral neuropathy. Furthermore, the pharmaceutical composition provided by the present invention can suppress peripheral neuropathy induced by any lesion, disease, etc., particularly diabetes.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Public Health (AREA)
- Medicinal Chemistry (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Pain & Pain Management (AREA)
- Rheumatology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Inorganic Chemistry (AREA)
- Biomedical Technology (AREA)
- Urology & Nephrology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Abstract
Description
本願は、2023年2月24日に、日本に出願された特願2023-027474号に基づき優先権を主張し、その内容をここに援用する。
末梢神経障害による痛みは、末梢の神経伝達系のいずれかの部分の一次的損傷又は機能異常によって引き起こされる痛みである。この神経傷害の要因は、主に、末梢神経、神経叢又は神経周囲軟組織への外傷又は傷害等である。また、末梢神経障害による痛みは、中枢性の体性感覚経路(例、脊髄、脳幹、視床又は皮質における上行体性感覚経路)への傷害でも起こる。末梢神経障害による痛みは、例えば、神経変性疾患、骨変性疾患、代謝異常疾患、がん、感染、炎症、外科的手術後、外傷、放射線治療、抗がん剤による治療等のいずれによっても誘発される。
糖尿病性末梢神経障害は四肢のしびれ、痛み、温感異常、感覚鈍麻などを症状とする多発性神経障害と、発汗異常、便通異常などを呈する自律神経障害、及び顔面神経麻痺や外眼筋麻痺など脳神経に異常が現れる単一性神経障害等に分類される。この内、多発性神経障害と自律神経障害はポリオール代謝異常によって起こり、両者を総称して広範性対称性神経障害とも呼ばれる。また、単一性神経障害は血管閉塞によって起こるとされている。
また、多発性神経障害は糖尿病性神経障害の中で最も多いものであり、身体の複数の領域に症状が現れる。感覚神経や運動神経の障害によって起こるもので、感覚神経障害の場合には、異常感覚(痛覚過敏、感覚鈍麻、しびれ(じんじんする感じを含む)、冷感、灼熱感、蟻走感(虫が這っている感覚)等)や、痛み(坐骨神経痛、三叉神経痛、肋間神経痛又は四肢の痛みに係る神経痛等)が生じる。痛みはしびれを伴い「じんじんとした痛み」と表現され、夜間に増強することが多い。手足の末端、ちょうど靴下や手袋で覆われる部分の痛みやしびれ、足の裏に薄紙が張り付いたように感じる感覚の鈍麻から症状が始まる(手袋・靴下型)。その後足先から膝へ、手先から肘へと、身体の中心に向かって、症状が広がっていく。また前記痛みは、神経障害性疼痛による痛みでもある。運動神経の障害は感覚障害よりも遅れて出現し、筋力が低下し、筋肉が萎縮する。具体的には、臀部、大腿部の筋肉の萎縮や筋力が低下を呈し、疼痛を伴うことなどが挙げられる。
しかしながら、デュロキセチンは、自殺念慮、自殺企図があらわれることや、投与中止(特に突然の中止)により浮動性めまい、頭痛、悪心といった副作用が報告されており、慎重な投与が必要なことが知られている(非特許文献2)。
しかしながら、アルカリ性化剤が末梢神経障害の予防又は治療に有効であることは知られていない。
本発明の他の1つの課題は、アルカリ性化剤を含む、末梢神経障害の発現が抑制された医薬組成物を提供することである。
本発明の他の1つの課題は、何らかの病変又は疾患等によって誘発される末梢神経障害の治療又は予防方法を提供することである。
本発明の他の1つの課題は、糖尿病によって誘発される末梢神経障害の治療又は予防方法を提供することである。
本発明の他の1つの課題は、末梢神経障害の発現が抑制された、末梢神経障害の治療方法を提供することである。
(1)アルカリ性化剤を含む、末梢神経障害の治療又は予防用医薬組成物。
(2)末梢神経障害が、末梢神経障害に起因する、疼痛、感覚障害、運動障害、自律神経障害、又はそれらの合併症である、(1)に記載の医薬組成物。
(3)末梢神経障害が、末梢神経障害性疼痛である、(1)又は(2)に記載の医薬組成物。
(4)末梢神経障害性疼痛が、電撃痛(shooting pain)、灼熱痛(burning pain)、痛み(pain、ただし、電撃痛及び灼熱痛を除く)、又はチクチク感(tingling)である、(3)に記載の医薬組成物。
(5)末梢神経障害が、末梢神経障害に起因する感覚障害である、(1)又は(2)に記載の医薬組成物。
(6)末梢神経障害に起因する感覚障害が、感覚鈍麻、感覚過敏又は感覚異常である、(5)に記載の医薬組成物。
(7)感覚過敏がアロディニアであり、感覚異常がジセステジア又はパレステジアである、(6)に記載の医薬組成物。
(8)末梢神経障害が、末梢神経障害に起因する自律神経障害である、(1)又は(2)に記載の医薬組成物。
(9)自律神経障害に起因する症状が、排尿障害、発汗異常、起立性低血圧、便秘、又は麻痺性イレウスである、(8)に記載の医薬組成物。
(10)末梢神経障害が、四肢に症状が発現する末梢神経障害である、(1)~(9)のいずれか1つに記載の医薬組成物。
(12)アルカリ性化剤が、クエン酸ナトリウム、クエン酸カリウム若しくはその水和物又はそれらの混合物である、(1)~(11)のいずれか1つに記載の医薬組成物。
(13)アルカリ性化剤が、クエン酸ナトリウム又はその水和物と、クエン酸カリウム又はその水和物との混合物を含む、(1)~(12)のいずれか1つに記載の医薬組成物。
(14)アルカリ性化剤が、クエン酸ナトリウム又はその水和物である、(1)~(13)のいずれか1つに記載の医薬組成物。
(16)アルカリ性化剤が、炭酸水素ナトリウムである、(1)~(10)のいずれか1つに記載の医薬組成物。
(17)末梢神経障害が、糖尿病性末梢神経障害である、(1)~(16)のいずれか1つに記載の医薬組成物。
<末梢神経障害の治療又は予防用医薬組成物>
本発明が提供する、末梢神経障害の治療又は予防用医薬組成物は、有効成分として、アルカリ性化剤を含むことができる。
「有効成分として、アルカリ性化剤を含む」とは、前記医薬組成物において、アルカリ性化剤が主成分であるか、又はアルカリ性化剤が、末梢神経障害の治療又は予防の実質的な活性成分として機能し、前記治療又は予防のための有効量を含むことを意味する。
本発明が提供する医薬組成物に含まれる、好ましいアルカリ性化剤の例としては、クエン酸ナトリウム、クエン酸カリウム若しくはその水和物又はそれらの混合物が挙げられ、例えば、クエン酸カリウムの一水和物(C6H5K3O7・H2O)及びクエン酸ナトリウムの二水和物(C6H5Na3O7・2H2O)の混合物であってもよい。クエン酸カリウムの一水和物(C6H5K3O7・H2O)及びクエン酸ナトリウムの二水和物(C6H5Na3O7・2H2O)の混合比は、当業者が適宜設定でき、例えば、クエン酸カリウムの一水和物とクエン酸ナトリウムの二水和物のモル比を、クエン酸カリウムの一水和物1に対してクエン酸ナトリウムの二水和物を0.01~100とすることができる。クエン酸カリウム(例えば、クエン酸カリウムの一水和物)とクエン酸ナトリウム(例えば、クエン酸ナトリウムの二水和物)のモル比は当業者が適宜設定でき、例えば、0.85:1.15~1.15:0.85、0.90:1.10~1.10:0.90、0.95:1.05~1.05:0.95、又は0.99:1.01~1.01:0.99としてもよく、1:1が好ましい。
また、本発明が提供する医薬組成物に含まれる有効成分の他の例には、クエン酸カリウム又はその水和物が挙げられ、例えば、クエン酸カリウムの一水和物(C6H5K3O7・H2O)であってもよい。
1つの実施態様において、本発明の医薬組成物に含まれるアルカリ性化剤は、クエン酸ナトリウム又はその水和物と、クエン酸カリウム又はその水和物との混合物を含んでいてもよい。
1つの実施態様において、本発明の医薬組成物に含まれるアルカリ性化剤は、クエン酸カリウム、クエン酸ナトリウム及びクエン酸(例えば、無水クエン酸)の混合物であってもよい。その場合、クエン酸(例えば、無水クエン酸)、クエン酸カリウム及びクエン酸ナトリウムの混合比(モル比)は、当業者が適宜設定でき、例えば、1:1.7~2.3:1.7~2.3、1:1.9~2.1:1.9~2.1又は1:1.95~2.05:1.95~2.05としてもよく、1:2:2が好ましい。
1つの実施態様において、本発明の医薬組成物に含まれるアルカリ性化剤は、クエン酸カリウムの一水和物(C6H5K3O7・H2O)、クエン酸ナトリウムの二水和物(C6H5Na3O7・2H2O)及び無水クエン酸の混合物であってもよい。その場合、無水クエン酸、クエン酸カリウムの一水和物(C6H5K3O7・H2O)及びクエン酸ナトリウムの二水和物(C6H5Na3O7・2H2O)の混合比(モル比)は、当業者が適宜設定でき、例えば、1:1.7~2.3:1.7~2.3、1:1.9~2.1:1.9~2.1又は1:1.95~2.05:1.95~2.05としてもよく、1:2:2が好ましい。
1つの実施態様において、本発明の医薬組成物に含まれるアルカリ性化剤は、クエン酸ナトリウム又はその水和物と、クエン酸カリウム又はその水和物との混合物のみから構成されていてもよい。
本明細書において、クエン酸、クエン酸の薬学的に許容可能な塩、若しくはそれらの水和物又はそれらの混合物(例えば、クエン酸カリウムの一水和物(C6H5K3O7・H2O)及び、クエン酸ナトリウムの二水和物(C6H5Na3O7・2H2O))の重量について言及する時は、その重量は乾燥重量であり得る。
別の実施態様において、末梢神経障害の治療又は予防とは、末梢神経障害に起因する症状、例えば、疼痛、感覚障害、運動障害、自律神経障害、又はそれらの合併症の治療又は予防であり得る。
1つの実施態様において、前記「末梢神経障害」は、末梢神経障害に起因する、疼痛、感覚障害、運動障害、自律神経障害、又はそれらの合併症であり得る。
別の実施態様において、前記「末梢神経障害」は、末梢神経障害性疼痛であり得る。
また別の実施態様において、前記「末梢神経障害性疼痛」は、電撃痛、灼熱痛、痛み(ただし、電撃痛及び灼熱痛を除く)、又はチクチク感であり得る。
1つの実施態様において、前記「末梢神経障害」は、哺乳動物(特にヒト)において、四肢に症状が発現することがあり、特に四肢の末梢に症状が発現し得る。
1つの実施態様において、本発明が提供する、有効成分としてアルカリ性化剤を含む医薬組成物の投与により、末梢神経障害に起因する、疼痛、感覚障害、運動障害、自律神経障害、又はそれらの合併症が、治療又は予防され得る。
本明細書において、末梢神経障害に起因する疼痛を、末梢神経障害性疼痛と称する場合がある。
本発明が提供する、有効成分としてアルカリ性化剤を含む医薬組成物によって治療又は予防され得る、末梢神経障害性疼痛の種類及び程度は特に限定されないが、典型的には、電撃痛(shooting pain)、灼熱痛(burning pain)、痛み(pain、ただし、電撃痛及び灼熱痛を除く)、又はチクチク感(tingling)と称される疼痛が治療又は予防され得る。
本明細書において、末梢神経障害に起因する感覚障害は、感覚鈍麻、感覚過敏又は感覚異常を含む概念である。また、前記感覚過敏は、アロディニアを含み、前記感覚異常は、ジセステジア及びパレステジアを含む概念である。したがって、本発明が提供する、有効成分としてアルカリ性化剤を含む医薬組成物の投与により、末梢神経障害に起因する、アロディニア、ジセステジア及びパレステジアを含む、感覚鈍麻、感覚過敏及び感覚異常等のる感覚障害が治療又は予防され得る。
1つの実施態様において、本発明が提供する、有効成分としてアルカリ性化剤を含む医薬組成物の投与により、哺乳動物(特にヒト)において、四肢に発現する症状、特に四肢の末梢に発現する症状が治療又は予防され得る。
1つの実施態様において、「治療」とは、「病的な」又は「異常な」症状、状態又は疾患を、消失、完治、治癒又は寛解させること、及びそのための行為若しくは手段である。別の実施態様において、「治療」とは、「病的な」又は「異常な」症状、状態又は疾患を、消失、完治、治癒又は寛解させることである。
本明細書において、「健常」とは、急性若しくは慢性の疾患又は障害がない状態を表し、「正常」とは、健常な対象が、通常発現する状態にあることを表す。
したがって、例えば、「末梢神経障害性疼痛の治療」とは、何らかの病変、疾患等が原因となって誘発される末梢神経障害性疼痛を、消失、完治、治癒又は寛解させること、及びそのための行為若しくは手段を含み、何らかの病変、疾患等が原因となって誘発される末梢神経障害性疼痛を抑制すること、及びそのための行為若しくは手段を含み、また、何らかの病変、疾患等が原因となって誘発される末梢神経障害性疼痛を改善することを含む概念である。別の側面として、本発明が提供する、有効成分としてアルカリ性化剤を含む医薬組成物の投与により、プラセボ投与若しくはコントロールに比較して前記疼痛の症状又は状態が抑制されることを含む概念である。
また、例えば、「末梢神経障害性疼痛の予防」とは、何らかの病変、疾患等が原因となって誘発される末梢神経障害性疼痛の発症を未然に防止すること、及びそのための行為若しくは手段を含む概念であり、前記疼痛の発症前に、前記疼痛の発症を抑制すること、及びそのための行為若しくは手段を含む概念である。別の側面として、何らかの病変、疾患等が原因となって誘発される末梢神経障害性疼痛の発症前に、本発明が提供する、有効成分としてアルカリ性化剤を含む医薬組成物を投与したとき、前記疼痛が発症したとしても、プラセボ投与若しくはコントロールに比較して前記疼痛の症状又は状態が抑制されるのであれば、かかる現象は予防の範囲に含まれ得る。
上記の「抑制」の効果については、「疼痛」の場合、プラセボ投与又はコントロールと比較して、後述の「疼痛スコア」に基づき評価することができる。
上記の「疼痛」を、既に説明した、末梢神経障害の症状又は状態に置き換えることにより、治療及び予防の概念を理解することができる。効果の評価については、「疼痛スコア」に替えて適切な指標を適用し得る。
本発明に係る錠剤について、以下に、より詳細に説明する。
本発明が提供する錠剤における有効成分の含量は、錠剤に対し10~95重量%、好ましくは30~90重量%であってもよく、より好ましくは60~85重量%であってもよい。
本発明が提供する錠剤における賦形剤の含量は、錠剤に対し1~95重量%、好ましくは1~80重量%であってもよく、より好ましくは3~80重量%、更に好ましくは3~20重量%であってもよい。
本発明が提供する錠剤における結合剤の含量は、錠剤に対し0.1~30重量%、好ましくは0.1~10重量%であってもよく、より好ましくは0.3~3重量%であってもよい。
本発明が提供する錠剤における崩壊剤の含量は、錠剤に対し0.3~20重量%、好ましくは1~10重量%であってもよく、より好ましくは3~10重量%であってもよい。
本発明が提供する錠剤における流動化剤の含量は、錠剤に対し0.03~3重量%、好ましくは0.1~3重量%であってもよく、より好ましくは0.3~3重量%であってもよい。
本発明が提供する錠剤における矯味剤の含量は、錠剤に対し0.03~3重量%、好ましくは0.1~3重量%であってもよく、より好ましくは0.3~3重量%であってもよい。
本発明が提供する錠剤における滑沢剤の含量は、錠剤に対し0.1~30重量%、好ましくは0.3~10重量%であってもよく、より好ましくは1~3重量%であってもよい。
本発明が提供する錠剤におけるpH調整剤の含量は、錠剤に対し0.1~30重量%、好ましくは0.3~10重量%であってもよく、より好ましくは1~5重量%であってもよい。
本発明が提供する錠剤における界面活性剤の含量は、錠剤に対し0.01~3重量%、好ましくは0.03~1重量%であってもよく、より好ましくは0.03~0.5重量%であってもよい。
本発明が提供する錠剤に使用され得る安定化剤の例には、クエン酸(例えば、無水クエン酸)、リンゴ酸、酢酸、酒石酸、マレイン酸、アスコルビン酸、エデト酸ナトリウム、トコフェロール(ただし、前記安定化剤は、本発明に係る有効成分に含まれない)が挙げられ、特に無水クエン酸が好ましい。
本発明が提供する錠剤における安定化剤の含量は、錠剤に対し0.01~30重量%、好ましくは0.1~30重量%であってもよく、より好ましくは1~20重量%であってもよい。
本発明が提供する錠剤における、有効成分及び薬学的に許容される添加剤の合計含量は、錠剤に対し100重量%を超えない。
本発明が提供する錠剤に使用され得るコーティング基剤の例には、ヒドロキシプロピルセルロース、ヒドロキシプロピルメチルセルロース、エチルセルロース、酢酸フタル酸セルロース、メタクリル酸コポリマー及びポリビニルピロリドンが挙げられ、特にヒドロキシプロピルメチルセルロースが好ましい。本発明が提供する錠剤におけるコーティング基剤の含量は、錠剤に対し0.01~10重量%、好ましくは0.3~3重量%であってもよい。
本発明が提供する錠剤に使用され得るコーティング可塑剤の例には、クエン酸トリエチル、中鎖脂肪酸トリグリセリド、トリアセチン、グリセリン、プロピレングリコール及びポリエチレングリコール(例えば、マクロゴール6000)が挙げられ、特にマクロゴール6000が好ましい。本発明が提供する錠剤におけるコーティング可塑剤の含量は、錠剤に対し0.01~1重量%、好ましくは0.03~3重量%であってもよい。
本発明が提供する錠剤に使用され得るコーティング光沢化剤の例には、カルナウバロウが挙げられる。本発明が提供する錠剤におけるコーティング光沢化剤の含量は、錠剤に対し0.0001~0.1重量%、好ましくは0.001~0.01重量%であってもよい。
1つの実施態様として、混合工程で得られた混合物や造粒工程で得られた造粒物は、適宜粉砕及び/又は篩分けすることにより、所望の粒子径を有する混合物や造粒物とされ得る。粉砕は、例えば、ボールミル、ジェットミル、ハンマーミル等の製薬分野において公知の粉砕機で行うことができる。篩分けは、16mesh篩(目開き1000μm)~32mesh篩(目開き500μm)等を用いて行うことができる。
1つの実施態様において、得られる錠剤の硬度は、10~200N、好ましくは30~150Nであり得る。
1つの実施態様において、本発明が提供する医薬組成物中のアルカリ性化剤の量は、アルカリ性化剤の投与量がヒトに投与することにより痛風又は高尿酸血症における酸性尿が改善される量、又は、それより少ない量又は多い量となるように設定されてもよく、例えば、痛風又は高尿酸血症における酸性尿の改善について日本で認可されている1日用量(例えば、アルカリ性化剤がクエン酸製剤の場合:1錠中にクエン酸カリウム(C6H5K3O7・H2O)231.5mg及びクエン酸ナトリウム水和物(C6H5Na3O7・2H2O)195.0mgを含む錠剤を1回2錠、1日3回経口投与;アルカリ性化剤が炭酸水素ナトリウムの場合:1日3~5g経口投与)の100~800質量%、200~800質量%又は400~800質量%となるように設定されてもよい。
1つの実施態様において、本発明が提供する、有効成分としてアルカリ性化剤を含む医薬組成物は錠剤であり、1錠剤中に、クエン酸カリウム一水和物及びクエン酸ナトリウム二水和物を、それぞれ10mg~300mgで、合計20mg~600mg含んでもよく、好ましくは、それぞれ150~250mgで、合計400~500mg、より好ましくは、それぞれ190~240mgで、合計400~450mgを含んでもよい。
1つの実施態様において、本発明が提供する、有効成分としてアルカリ性化剤を含む医薬組成物は錠剤であり、1錠剤中に、アルカリ性化剤としての炭酸水素ナトリウムを10mg~1g、好ましくは、100mg~500mg含んでもよい。
本明細書において、「投与単位」とは、製剤の単位を表し、「1投与単位」とは、製剤の最小単位を表す。したがって、例えば、錠剤であれば、投与単位は各錠剤であり、1投与単位は、1つの錠剤を表す。注射剤であれば、投与単位は、アンプル又はバイアル等の密封容器に入れられた注射剤であり、1投与単位は、1つのアンプル又はバイアル等の密封容器に入れられた注射剤を表す。散剤又はゼリー状製剤であれば、投与単位は、ポリエチレン等の単層又は多層のフィルム製シート又は当該シートにアルミ層を設けたシートにより作製された袋に密封して入れられた散剤又はゼリー状製剤であり、1投与単位は、1つの密封された袋に入れられた散剤又はゼリー状製剤を表す。カプセル剤(硬カプセル剤、軟カプセル剤、シームレスカプセル剤等)であれば、投与単位は各カプセルであり、1投与単位は、1つのカプセルを表す。
本発明が提供する医薬組成物が、ヒト又はその他の哺乳動物に投与される場合、1回あたり、1又は2以上の前記投与単位が投与されてもよく、前記1投与単位が分割されて投与されてもよい。
1つの実施態様において、有効成分として炭酸水素ナトリウムをヒトに経口投与する場合は、2.25~9g/日を投与してもよく、1日1~5回、好ましくは1日3回に分けて投与してもよい。
1つの実施態様において、本発明が提供する、有効成分としてアルカリ性化剤を含む医薬組成物は、長期に投与されてもよく、例えば、1週間、2週間、3週間、6週間、8週間、10週間、12週間、24週間、40週間、60週間、80週間、100週間、120週間、1週間以上、2週間以上、3週間以上、6週間以上、8週間以上、10週間以上、12週間以上、24週間以上、40週間以上、60週間以上、80週間以上、100週間以上、120週間以上、6週間以上24週間以下、12週間以上24週間以下、6週間以上30週間以下、12週間以上30週間以下、6週間以上40週間以下、12週間以上40週間以下、6週間以上60週間以下、12週間以上60週間以下、6週間以上80週間以下、12週間以上80週間以下、6週間以上100週間以下、12週間以上100週間以下、6週間以上120週間以下、12週間以上120週間以下又は24週間以上120週間以下で投与される。
1つの実施態様において、本発明は、糖尿病によって誘発される末梢神経障害の発現が抑制された糖尿病治療用医薬組成物を提供することができ、前記医薬組成物は、有効成分として、糖尿病治療及びアルカリ性化剤を含む。
別の側面として、「糖尿病によって末梢神経障害の発現が抑制された糖尿病治療用医薬組成物」とは、本発明が提供する「糖尿病によって末梢神経障害の発現が抑制された糖尿病治療用医薬組成物」に含まれる糖尿病治療薬の含有量と同量の糖尿病治療薬を含む「アルカリ性化剤を含まない糖尿病治療用医薬組成物」と比較して、糖尿病によって誘発される末梢神経障害の発現が抑制された糖尿病治療用医薬組成物である。
また別の側面として、「糖尿病によって末梢神経障害の発現が抑制された糖尿病治療用医薬組成物」とは、糖尿病によって誘発される末梢神経障害が発現しない糖尿病治療用医薬組成物である。
ここで、前記末梢神経障害の発現の抑制率は、例えば、「疼痛」であれば、後述の「疼痛スコア」のように、適切な評価指標に基づき算定することができる。
1つの実施態様において、本発明が提供する医薬組成物には、前述の、有効成分としてアルカリ性化剤を含む医薬組成物について説明した製剤技術を適用し得る。
<1-1>末梢神経障害の治療又は予防に使用するためのアルカリ性化剤、又はアルカリ性化剤を含む医薬組成物。
<1-2>末梢神経障害が、末梢神経障害に起因する、疼痛、感覚障害、運動障害、自律神経障害、又はそれらの合併症である、<1-1>に記載の使用のための、アルカリ性化剤、又はアルカリ性化剤を含む医薬組成物。
<1-3>末梢神経障害が、末梢神経障害性疼痛である、<1-1>又は<1-2>に記載の使用のための、アルカリ性化剤、又はアルカリ性化剤を含む医薬組成物。
<1-4>末梢神経障害性疼痛が、電撃痛(shooting pain)、灼熱痛(burning pain)、痛み(pain、ただし、電撃痛及び灼熱痛を除く)、又はチクチク感(tingling)である、<1-3>に記載の使用のための、アルカリ性化剤、又はアルカリ性化剤を含む医薬組成物。
<1-5>末梢神経障害が、末梢神経障害に起因する感覚障害である、<1-1>又は<1-2>に記載の使用のための、アルカリ性化剤、又はアルカリ性化剤を含む医薬組成物。
<1-6>末梢神経障害に起因する感覚障害が、感覚鈍麻、感覚過敏又は感覚異常である、<1-5>に記載の使用のための、アルカリ性化剤、又はアルカリ性化剤を含む医薬組成物。
<1-7>感覚過敏がアロディニアであり、感覚異常がジセステジア又はパレステジアである、<1-6>に記載の使用のための、アルカリ性化剤、又はアルカリ性化剤を含む医薬組成物。
<1-8>末梢神経障害が、末梢神経障害に起因する自律神経障害である、<1-1>又は<1-2>に記載の使用のための、アルカリ性化剤、又はアルカリ性化剤を含む医薬組成物。
<1-9>自律神経障害に起因する症状が、排尿障害、発汗異常、起立性低血圧、便秘、又は麻痺性イレウスである、<1-8>に記載の使用のための、アルカリ性化剤、又はアルカリ性化剤を含む医薬組成物。
<1-10>末梢神経障害が、四肢に症状が発現する末梢神経障害である、<1-1>~<1-9>のいずれか1つに記載の使用のための、アルカリ性化剤、又はアルカリ性化剤を含む医薬組成物。
<1-12>アルカリ性化剤が、クエン酸ナトリウム、クエン酸カリウム若しくはその水和物又はそれらの混合物である、<1-1>~<1-11>のいずれか1つに記載の使用のための、アルカリ性化剤、又はアルカリ性化剤を含む医薬組成物。
<1-13>アルカリ性化剤が、クエン酸ナトリウム又はその水和物と、クエン酸カリウム又はその水和物との混合物を含む、<1-1>~<1-12>のいずれか1つに記載の使用のための、アルカリ性化剤、又はアルカリ性化剤を含む医薬組成物。
<1-14>アルカリ性化剤が、クエン酸ナトリウム又はその水和物である、<1-1>~<1-13>のいずれか1つに記載の使用のための、アルカリ性化剤、又はアルカリ性化剤を含む医薬組成物。
<1-16>アルカリ性化剤が、炭酸水素ナトリウムである、<1-1>~<1-10>のいずれか1つに記載の使用のための、アルカリ性化剤、又はアルカリ性化剤を含む医薬組成物。
<1-17>末梢神経障害が、糖尿病性末梢神経障害である、<1-1>~<1-16>のいずれか1つに記載の使用のための、アルカリ性化剤、又はアルカリ性化剤を含む医薬組成物。
<2-2>末梢神経障害の治療が必要な対象に、有効量のアルカリ性化剤を投与することを含む、末梢神経障害の発現が抑制された、末梢神経障害の治療方法。
<2-3>末梢神経障害が、糖尿病性末梢神経障害である、<2-1>又は<2-2>のいずれか1つに記載の方法。
<3-2>末梢神経障害の発現が抑制された医薬組成物の製造のための、アルカリ性化剤の使用。
<3-3>末梢神経障害が、糖尿病性末梢神経障害である、<3-1>又は<3-2>のいずれか1つに記載の使用。
本発明は、1つの実施態様において、末梢神経障害の抑制に非治療用途で使用するためのアルカリ性化剤、又はアルカリ性化剤を含む食品組成物を提供し得る。
前記飲食品の形態としては、飲料、醤油、牛乳、ヨーグルト、味噌等の液状又は乳状又はペースト状食品;ゼリー、グミ等の半固形状食品;飴、ガム、豆腐、サプリメント等の固形状食品;又は粉末状食品等が挙げられる。
飲料としては、果汁・果実飲料、コーヒー飲料、烏龍茶飲料、緑茶飲料、紅茶飲料、麦茶飲料、野菜飲料、ソフトドリンクである炭酸飲料、果実エキス入り飲料、野菜エキス入りジュース、ニアウオーター、スポーツ飲料、ダイエット飲料等が挙げられる。
本発明が提供する食品組成物は、上記「1.医薬組成物」で記載した、医薬組成物の使用方法と同様に使用できることに加えて、疾病の治療又は予防を目的としない範囲(非治療用途ともいう)においても使用することができる。すなわち、本発明に係る食品組成物に含まれるアルカリ性化剤を基準としたとき、食品組成物中のアルカリ性化剤の使用量が、前記医薬組成物に含まれるアルカリ性化剤と同量になるように、前記医薬組成物の適用対象に適用することができる。また、1つの実施態様において、本発明に係る「食品組成物」は、糖尿病などの末梢神経障害の原因となり得る疾病等の治療又は予防薬の投与を受けているか、又はこれから糖尿病などの末梢神経障害の原因となり得る疾病等の治療又は予防薬の投与を受ける対象(例えば、ヒト又はその他の哺乳動物)が、末梢神経障害の発現が抑制されるよう、又は既に発現された末梢神経障害の抑制のために、非治療用途の範囲で摂取し得るものである。この場合、前記アルカリ性化剤が医薬組成物の成分であっても、又は食品組成物の成分であっても、前記アルカリ性化剤それ自体の薬理効果は、基本的に同じであるので、前記食品組成物の適用量及び適用方法は、期待する効果に応じて、前記アルカリ性化剤を基準として、適宜、調整することができる。
(被験物質)
薬物は、アルカリ性化剤として、クエン酸カリウムの一水和物(C6H5K3O7・H2O)を乾燥重量として1 gあたり463 mg及びクエン酸ナトリウムの二水和物(C6H5Na3O7・2H2O)を乾燥重量として1 gあたり390 mg及び薬学的に許容される添加剤1 gあたり147 mgの混合物(ウラリットU配合散、日本ケミファ社製)を使用した。ウラリットU配合散(以下、単に「ウラリット」ともいう)は必要量を秤量後、目的濃度となるように注射用水を加えて溶解し、用時調製した。
Sham群及びコントロール群には、アルカリ性化剤の溶媒である注射用水を用いた。
(動物)
8週齢雄性Crl:CD(SD)ラット(ジャクソン・ラボラトリー・ジャパン株式会社)を使用した。動物は6日間以上の順応期間を設け、この間に疼痛評価を1回行い、疼痛評価の50%逃避閾値が8g以上を示す健康な動物のみを試験に供した。
(実験動物の作製)
以下の方法により、実験動物:ストレプトゾシン(以下、STZとも表現する)誘発糖尿病性神経障害モデルラットを作製した。
STZ投与日を試験1日目とし、STZを投与したラットは試験14日目に群分けを実施した。具体的には群分け日の疼痛評価の50%逃避閾値が8g以上及び血糖値が300mg/dL以下の動物を群分け対象から除外し、50%逃避閾値、血糖値及び体重値の平均値がほぼ等しくなるようコンピュータプログラム(IBUKI、株式会社日本バイオリサーチセンター)を用いてコントロール群及びアルカリ性化剤群各郡8例となるように群分けした。群は、1群:Sham群、2群:コントロール群及び3群:アルカリ性化剤群の3つの群に構成した。
2群:コントロール群及び3群:アルカリ性化剤群候補のラットにはSTZを尾静脈内に投与した。1群:Sham群には、0.75mmol/L CAB溶液を同じく尾静脈内に投与した。試験15日目から21日目までの間、1群:Sham群及び2群:コントロール群には注射用水を、3群:アルカリ性化剤群にはウラリット1g/kgを2回/日反復経口投与(強制経口投与)した。
(測定の時点)
試験21日目の被験物質及び媒体投与3時間後に行った。なお、疼痛評価はブラインドで実施した。
(疼痛評価)
疼痛評価は、非特許文献3の方法に準拠したvon Frey testにて行った。50%逃避閾値はvon Frey filament(target force:0.4、0.6、1、2、4、6、8、15 g、 DanMic Global,LLC)を使用し、up-down刺激法により算出した。
《50%逃避閾値の算出方法》
50%逃避閾値=(10(Xf+k×δ))/10,000
Xf:最後に用いたvon Frey filamentのevaluator size
k:逃避反応パターン
δ:用いたfilament間の差の平均
なお試験動物は、疼痛スコア計測用の網底個別ケージ(W110 × D180 × H150 mm)に移し新規環境に馴化するまで少なくとも30分間待ってから行った。
(結果)
STZ誘発糖尿病性神経障害モデルラットへのウラリットU配合散反復投与により、機械的アロディニアの発症が抑制された(図1)。
以上から、STZ誘発末梢神経障害に対してウラリットU配合散の反復経口投与は非常に有効であると考えられる。
また、本発明が提供する、医薬組成物により、何らかの病変、疾患等により、特に糖尿病によって誘発される末梢神経障害を抑制することが可能である。
Claims (17)
- アルカリ性化剤を含む、末梢神経障害の治療又は予防用医薬組成物。
- 末梢神経障害が、末梢神経障害に起因する、疼痛、感覚障害、運動障害、自律神経障害、又はそれらの合併症である、請求項1に記載の医薬組成物。
- 末梢神経障害が、末梢神経障害性疼痛である、請求項1又は2に記載の医薬組成物。
- 末梢神経障害性疼痛が、電撃痛、灼熱痛、痛み(ただし、電撃痛及び灼熱痛を除く)、又はチクチク感である、請求項3に記載の医薬組成物。
- 末梢神経障害が、末梢神経障害に起因する感覚障害である、請求項1又は2に記載の医薬組成物。
- 末梢神経障害に起因する感覚障害が、感覚鈍麻、感覚過敏又は感覚異常である、請求項5に記載の医薬組成物。
- 感覚過敏がアロディニアであり、感覚異常がジセステジア又はパレステジアである、請求項6に記載の医薬組成物。
- 末梢神経障害が、末梢神経障害に起因する自律神経障害である、請求項1又は2に記載の医薬組成物。
- 自律神経障害に起因する症状が、排尿障害、発汗異常、起立性低血圧、便秘、又は麻痺性イレウスである、請求項8に記載の医薬組成物。
- 末梢神経障害が、四肢に症状が発現する末梢神経障害である、請求項1~9のいずれか一項に記載の医薬組成物。
- アルカリ性化剤が、クエン酸の薬学的に許容可能な塩、若しくはその水和物又はそれらの混合物である、請求項1~10のいずれか一項に記載の医薬組成物。
- アルカリ性化剤が、クエン酸ナトリウム、クエン酸カリウム若しくはその水和物又はそれらの混合物である、請求項1~11のいずれか一項に記載の医薬組成物。
- アルカリ性化剤が、クエン酸ナトリウム又はその水和物と、クエン酸カリウム又はその水和物との混合物を含む、請求項1~12のいずれか一項に記載の医薬組成物。
- アルカリ性化剤が、クエン酸ナトリウム又はその水和物である、請求項1~13のいずれか一項に記載の医薬組成物。
- 医薬組成物が錠剤である、請求項1~14のいずれか一項に記載の医薬組成物。
- アルカリ性化剤が、炭酸水素ナトリウムである、請求項1~10のいずれか一項に記載の医薬組成物。
- 末梢神経障害が、糖尿病によって誘発される末梢神経障害である、請求項1~16のいずれか一項に記載の医薬組成物。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202480013864.9A CN120731089A (zh) | 2023-02-24 | 2024-02-21 | 末梢神经障碍的治疗或预防用医药品 |
| KR1020257027573A KR20250151401A (ko) | 2023-02-24 | 2024-02-21 | 말초 신경 장애의 치료 또는 예방을 위한 의약 |
| AU2024225878A AU2024225878A1 (en) | 2023-02-24 | 2024-02-21 | Pharmaceutical for treating or preventing peripheral neuropathy |
| JP2025502767A JPWO2024177104A1 (ja) | 2023-02-24 | 2024-02-21 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2023027474 | 2023-02-24 | ||
| JP2023-027474 | 2023-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024177104A1 true WO2024177104A1 (ja) | 2024-08-29 |
Family
ID=92500952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2024/006205 Ceased WO2024177104A1 (ja) | 2023-02-24 | 2024-02-21 | 末梢神経障害の治療又は予防のための医薬 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPWO2024177104A1 (ja) |
| KR (1) | KR20250151401A (ja) |
| CN (1) | CN120731089A (ja) |
| AU (1) | AU2024225878A1 (ja) |
| TW (1) | TW202448422A (ja) |
| WO (1) | WO2024177104A1 (ja) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018066532A1 (ja) * | 2016-10-03 | 2018-04-12 | 学校法人 星薬科大学 | モルヒナン誘導体を含む医薬組成物及びその鎮痛剤への使用 |
| WO2020050253A1 (ja) * | 2018-09-03 | 2020-03-12 | 日本ケミファ株式会社 | 糖尿病性末梢神経障害のための医薬 |
| JP2023027474A (ja) | 2021-08-17 | 2023-03-02 | キヤノンメディカルシステムズ株式会社 | X線診断装置、医用画像処理装置、およびプログラム |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018193648A1 (ja) | 2017-04-18 | 2018-10-25 | 国立大学法人東北大学 | アルカリ性化剤による血液浄化 |
| JPWO2020080451A1 (ja) | 2018-10-17 | 2021-09-16 | 京都府公立大学法人 | 糖尿病腎症における腎線維化抑制剤 |
-
2024
- 2024-02-20 TW TW113106013A patent/TW202448422A/zh unknown
- 2024-02-21 AU AU2024225878A patent/AU2024225878A1/en active Pending
- 2024-02-21 WO PCT/JP2024/006205 patent/WO2024177104A1/ja not_active Ceased
- 2024-02-21 JP JP2025502767A patent/JPWO2024177104A1/ja active Pending
- 2024-02-21 KR KR1020257027573A patent/KR20250151401A/ko active Pending
- 2024-02-21 CN CN202480013864.9A patent/CN120731089A/zh active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018066532A1 (ja) * | 2016-10-03 | 2018-04-12 | 学校法人 星薬科大学 | モルヒナン誘導体を含む医薬組成物及びその鎮痛剤への使用 |
| WO2020050253A1 (ja) * | 2018-09-03 | 2020-03-12 | 日本ケミファ株式会社 | 糖尿病性末梢神経障害のための医薬 |
| JP2023027474A (ja) | 2021-08-17 | 2023-03-02 | キヤノンメディカルシステムズ株式会社 | X線診断装置、医用画像処理装置、およびプログラム |
Non-Patent Citations (4)
| Title |
|---|
| CHAPLAN SRBACH FWPOGREL JWCHUNG JMYAKSH TL: "Quantitative assessment of tactile allodynia in the rat paw.", J NEUROSCI METHODS., vol. 53, no. 1, July 1994 (1994-07-01), pages 55 - 63 |
| JOS?E GUINDON;LITING DENG;BAOCHANG FAN;JIM WAGER-MILLER;ANDREA G HOHMANN: "Optimization of a cisplatin model of chemotherapy-induced peripheral neuropathy in mice: use of vitamin C and sodium bicarbonate pretreatments to reduce nephrotoxicity and improve animal health status", MOLECULAR PAIN, BIOMED CENTRAL, LONDON, GB, vol. 10, no. 1, 4 September 2014 (2014-09-04), GB , pages 56, XP021197889, ISSN: 1744-8069, DOI: 10.1186/1744-8069-10-56 * |
| KARIN YAMADA, MASAHITO SAWABATA, TOSHIAKI KUME, DAISUKE UTA: "Effects of mirogabalin on peripheral neuropathic pain model mice induced by the anticancer drug paclitaxel", PROGRAM AND ABSTRACTS OF THE 40TH SYMPOSIUM ON ANALGESICS AND OPIOID PEPTIDES; MAY 5-6, 2021, OPIOID PEPTIDE RESEARCH SOCIETY/ANALGESICS, JP, vol. 40, 4 September 2021 (2021-09-04) - 6 September 2021 (2021-09-06), JP, pages 44, XP009557000 * |
| USHIO SOICHIRO, KAWASHIRI TAKEHIRO, EGASHIRA NOBUAKI: "Chinese herbal medicine and anti-cancer drug-induced neuropathy" Basic evidence on the effectiveness of Goshajinkigan against oxaliplatin-induced peripheral neuropathy", NIHON YAKURIGAKU ZASSHI - FOLIA PHARMACOLOGICA JAPONICA, NIHON YAKURI GAKKAI HENSHUUBU, JP, vol. 143, no. 3, 1 January 2014 (2014-01-01), JP , pages 126 - 130, XP093203960, ISSN: 0015-5691 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2024177104A1 (ja) | 2024-08-29 |
| CN120731089A (zh) | 2025-09-30 |
| TW202448422A (zh) | 2024-12-16 |
| KR20250151401A (ko) | 2025-10-21 |
| AU2024225878A1 (en) | 2025-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7329419B2 (en) | Herbal supplement to support weight loss | |
| KR102773144B1 (ko) | 시트르산의 의약적으로 허용 가능한 염, 혹은 그 수화물 또는 그들의 혼합물을 포함하는 의약 조성물 | |
| US20080268066A1 (en) | Synergistic Formulation for Preventing and/or Treating Diabetes | |
| US20240000809A1 (en) | Improved use of cannabinoids in the treatment of epilepsy | |
| KR20090021288A (ko) | 피로 예방 및/또는 회복을 위한 의약 | |
| WO2014010656A1 (ja) | 優れた血中アルコール濃度低下促進剤 | |
| WO1999017612A1 (en) | Serotonin containing formulation for oral administration and method of use | |
| TW201838684A (zh) | 利用鹼性化劑的血液淨化 | |
| WO2024177104A1 (ja) | 末梢神経障害の治療又は予防のための医薬 | |
| JPWO2020080399A1 (ja) | 夜間多尿の治療又は予防剤 | |
| CN113164422A (zh) | 糖尿病肾病中的肾纤维化抑制剂 | |
| JP4355967B2 (ja) | 医薬組成物 | |
| CN115315258A (zh) | 肾功能保护剂 | |
| WO2024177100A1 (ja) | 化学療法誘発末梢神経障害の治療又は予防のための医薬 | |
| KR100816140B1 (ko) | 일차성 두통의 치료에서 비타민 혼합물의 용도 | |
| JP2006076956A (ja) | 胃炎の治療・予防用配合剤 | |
| Valacer | New treatments for asthma: the role of leukotriene modifier agents | |
| EP4337176B1 (en) | Prolonged-release pharmaceutical composition for oral administration of sultiame | |
| US20240115572A1 (en) | Methods for treating glioblastomas with sepiapterin | |
| KR20200140103A (ko) | 틱장애, 뚜렛증후군 또는 강박장애의 예방 또는 치료용 조성물 | |
| CN112807321B (zh) | 治疗脑缺血再灌注损伤的组合物及其应用 | |
| JP2007145731A (ja) | 止瀉効果を有する内服用製剤 | |
| JP5822420B2 (ja) | 医薬組成物 | |
| KR20000074867A (ko) | 발기부전 치료용 조성물 (2) | |
| KR20000074869A (ko) | 발기부전 치료용 조성물 (4) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 24760402 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 2025502767 Country of ref document: JP Kind code of ref document: A |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2025502767 Country of ref document: JP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: AU2024225878 Country of ref document: AU |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 202480013864.9 Country of ref document: CN |
|
| ENP | Entry into the national phase |
Ref document number: 2024225878 Country of ref document: AU Date of ref document: 20240221 Kind code of ref document: A |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2024760402 Country of ref document: EP |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| WWP | Wipo information: published in national office |
Ref document number: 202480013864.9 Country of ref document: CN |
|
| WWP | Wipo information: published in national office |
Ref document number: 1020257027573 Country of ref document: KR |
|
| ENP | Entry into the national phase |
Ref document number: 2024760402 Country of ref document: EP Effective date: 20250924 |
|
| ENP | Entry into the national phase |
Ref document number: 2024760402 Country of ref document: EP Effective date: 20250924 |