WO2022025785A1 - Фармацевтическая композиция, включающая мемантин и цитиколин - Google Patents
Фармацевтическая композиция, включающая мемантин и цитиколин Download PDFInfo
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- WO2022025785A1 WO2022025785A1 PCT/RU2020/000389 RU2020000389W WO2022025785A1 WO 2022025785 A1 WO2022025785 A1 WO 2022025785A1 RU 2020000389 W RU2020000389 W RU 2020000389W WO 2022025785 A1 WO2022025785 A1 WO 2022025785A1
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- Prior art keywords
- mixture
- film
- citicoline
- film shell
- memantine
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Classifications
-
- 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
-
- 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
- A61K31/13—Amines
-
- 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
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/7042—Compounds having saccharide radicals and heterocyclic rings
- A61K31/7052—Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides
- A61K31/706—Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom
- A61K31/7064—Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines
- A61K31/7068—Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic 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
- A61K9/20—Pills, tablets, discs, rods
- A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
- A61K9/2806—Coating materials
- A61K9/2833—Organic macromolecular compounds
- A61K9/284—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone
-
- 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
- A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
- A61K9/2806—Coating materials
- A61K9/2833—Organic macromolecular compounds
- A61K9/286—Polysaccharides, e.g. gums; Cyclodextrin
- A61K9/2866—Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose
-
- 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
- A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
- A61K9/2886—Dragees; Coated pills or tablets, e.g. with film or compression coating having two or more different drug-free coatings; Tablets of the type inert core-drug layer-inactive layer
Definitions
- the present inventions relate to the field of pharmaceuticals and relate to pharmaceutical compositions and solid oral dosage forms with neuromodulating, antiparkinsonian, neuroprotective and antispastic effects, slowing down and inhibiting glutamatergic neurotransmission and the progression of neurodegenerative processes, methods for preparing such pharmaceutical compositions and solid oral dosage forms and using these pharmaceutical compositions and solid oral dosage forms for the treatment of cognitive impairment of vascular origin.
- An invention is known [1] according to the patent of the Russian Federation N° 2429851, published on September 27, 2011, which describes a method for improving the intellect of a subject, which consists in administering to the specified subject a pharmaceutical composition containing (a) a polyunsaturated fatty acid selected from omega-3 fatty acid or omega-6 fatty acid, (b) uridine and (c) choline salt.
- uridine is an acyl derivative of uridine, uridine phosphate or cytidine-5'-diphosphocholine (CDP-choline).
- the patent [1] describes a pharmaceutical composition for improving the intelligence of a subject, which contains: (a) a polyunsaturated fatty acid selected from an omega-3 fatty acid or an omega-6 fatty acid, (b) uridine, and (c) a salt choline, while in particular embodiments of the invention uridine is an acyl derivative of uridine, uridine phosphate or cytidine-5'-diphosphocholine (CDP-choline).
- a polyunsaturated fatty acid selected from an omega-3 fatty acid or an omega-6 fatty acid
- uridine is an acyl derivative of uridine, uridine phosphate or cytidine-5'-diphosphocholine (CDP-choline).
- uridine is an acyl derivative of uridine, uridine phosphate or cytidine-5'-diphosphocholine (CDP-choline).
- the patent [2] also discloses a pharmaceutical composition for improving learning or memory in a subject, containing (a) an omega-3 fatty acid, an omega-6 fatty acid, or a combination thereof; (b) uridine; and (c) choline salt.
- uridine is an acyl derivative of uridine, uridine phosphate or cytidine-5'-diphosphocholine (CDP-choline).
- Analogs [1] and [2] describe pharmaceutical compositions that provide an improvement in intelligence in a subject due to the synergistic action of the components of the composition, including CDP-choline (citicoline), in relation to increasing the concentration of brain phospholipids, but do not affect the glutamatergic system.
- CDP-choline citicoline
- the composition proposed in the present invention in contrast to solutions [1] and [2], provides a therapeutic effect not only by increasing the concentration of brain phospholipids, but also by modulating the glutamatergic system.
- the invention is known according to the patent of the Russian Federation N° 2605339, published on December 20, 2016 [3], which describes a drug based on amantadine sulfate for stopping glutamate-induced apoptosis and inhibiting NMDA receptors for the treatment of disorders of the nervous system, the consequences of craniocerebral injury and ischemic and hemorrhagic stroke, characterized in that it contains as an active substance a therapeutically effective amount of amantadine sulfate and cytidine 5'-diphosphocholine, as well as at least one excipient selected from the group including stabilizers, prolongators, buffering additives, solvents, fillers, preservatives, in the following ratio of components, wt.%:
- the patent also describes the use of said drug for arresting glutamate-induced apoptosis and inhibition of N-methyl-O-aspartate receptors for the treatment of nervous system disorders, consequences of traumatic brain injury and ischemic and hemorrhagic stroke.
- Analogue [3] describes a drug for stopping glutamate-induced apoptosis and inhibition of NMDA receptors.
- the drug according to analogue [3] has no effect on the concentration of phospholipids in the brain and spinal cord.
- the solution claimed in the present invention in contrast to the drug according to analogue [3], has an additional therapeutic effect by increasing the concentration of phospholipids in the brain and spinal cord.
- Memantine or 3,5-dimethyl-1-adamantanamine, was chosen as the second active substance in the framework of the present invention, a non-competitive NMDA glutamate receptor antagonist of formula (II), which has a neuromodulatory, antiparkinsonian, neuroprotective and antispastic effect, which inhibits glutamatergic neurotransmission. and progression of neurodegenerative processes.
- Memantine (II) can also be used in the form of a pharmaceutically acceptable salt, for example, in the form of memantine hydrochloride (hydrochloride salt).
- memantine hydrochloride hydrochloride salt
- a method for treating diseases is known! Alzheimer's of varying severity, from mild to moderate, which consists in administering to a subject in need an effective amount of memantine or its pharmaceutically acceptable salt, such as the hydrochloride salt, while memantine or its pharmaceutically acceptable salt, according to [4], is administered at an initial dose of 5 mg per day, increasing by 5 mg per day every week until the final doses of 20 mg per day.
- Also known from patent [4] is a method for treating mild to moderate Alzheimer's disease in subjects previously treated with an acetylcholinesterase inhibitor (AChEI), wherein the method consists in administering to a subject in need an effective amount of memantine or a pharmaceutically acceptable salt thereof.
- AChEI acetylcholinesterase inhibitor
- [4] describes a method for the treatment of only one of the forms of dementia (Alzheimer's disease) using memantine or its pharmaceutically acceptable salt, but does not imply the use of memantine or its pharmaceutically acceptable salt for the treatment of other forms of dementia (in particular, vascular, as in the claimed solution) .
- An invention is known according to RF patent No. 2326660, published on June 20, 2008 [5], which describes an oral preparation in the form of a solid dosage form containing memantine as an active substance, characterized in that the dosage form is a capsule, and memantine is included in a therapeutically effective quantity in the composition of the mass filling these capsules, which is a mixture of powders.
- - oral preparation in the form of a solid dosage form containing memantine as an active substance, characterized in that the dosage form is a capsule, and memantine is included in a therapeutically effective amount in the composition of the mass filling these capsules, which is a granulate;
- a pharmaceutical composition containing memantine or a pharmaceutically acceptable salt thereof and an extended release component for use in the treatment of dementias where said treatment results in a therapeutically effective constant plasma concentration of memantine in within 20 days from the date of administration of the composition to the patient, on a pharmaceutical composition in the form of a capsule containing memantine or a pharmaceutically acceptable salt thereof, where said memantine or a pharmaceutically acceptable salt thereof have a C max /C mean ratio of about 2.5 to about 1 at least 6 hours after administration of the composition to a patient, for a pharmaceutical composition containing an oral sustained release formulation comprising: a) memantine and a polymer selected from hydroxypropylcellulose, polyvinylpyrrolidone, hydroxypropyl methylcellulose and polyethylene glycol; and b) a coating containing an insoluble matrix polymer and a water soluble substance.
- the invention is also known from the prior art according to the patent of the Russian Federation M 2483715, published on June 10, 2013 [7], relating to an antiparkinsonian agent and to a solid rapidly disintegrating dosage form containing the indicated agent, where the indicated dosage form contains memantine and / or memantine hydrochloride and target additives, characterized in that said dosage form contains cellulose II as target additives in the following ratio of ingredients, wt %: memantine and/or memantine hydrochloride 5-10 cellulose II 90-95.
- Analogues [5], [6] and [7] describe monopreparations of memantine or its pharmaceutically acceptable salt - memantine hydrochloride.
- the use of memantine or its pharmaceutically acceptable salt as the only therapeutic agent in some cases may not be enough to have an effect on all the variety of cognitive impairments caused by other forms of dementia, in addition to vascular ones.
- the invention is also known from the prior art according to the patent of the Russian Federation 2390354, published on May 27, 2010 [8], which discloses a delayed-release matrix-type composition containing:
- an enteric polymer which is at least one selected from the group consisting of methacrylic acid-ethyl acrylate copolymer, a copolymer of methacrylic acid-methyl methacrylate, hydroxypropylmethylcellulose phthalate and hydroxypropylmethylcellulose acetate succinate; and
- a water-insoluble polymer which is at least one selected from the group consisting of ethyl cellulose, an aminoalkyl methacrylate copolymer RS, and an ethyl acrylate-methyl methacrylate copolymer.
- the patent [8] also discloses a method for obtaining a sustained release matrix-type composition, including the steps of: mixing (1) donepezil hydrochloride and/or memantine hydrochloride; (2) an enteric polymer which is at least one selected from the group consisting of methacrylic acid-ethyl acrylate copolymer, methacrylic acid-methyl methacrylate copolymer, hydroxypropyl methyl cellulose phthalate, and hydroxypropyl methyl cellulose acetate succinate; and (3) a water-insoluble polymer which is at least one selected from the group consisting of ethyl cellulose, aminoalkyl methacrylate RS copolymer and ethyl acrylate-methyl methacrylate copolymer, and compression molding the mixture obtained in the mixing step.
- memantine hydrochloride is mentioned as an agent used in dementia due to Alzheimer's disease (see patent [8], page 15 of the description, section "Best mode for carrying out the invention”).
- vascular dementia Cerebrovascular disease, cognitive impairment and dementia.
- J. O'Brien Cerebrovascular disease and dementia (Second edition) / Edited by J. O'Brien , D. Ames, L. Gustafson et al., London: Martin Dunitz, 2004).
- a dosage form and a pharmaceutical composition intended for the treatment of cognitive impairment of vascular origin which has a neuromodulating, antiparkinsonian, neuroprotective and antispastic effect, slowing down and inhibiting glutamatergic neurotransmission and the progression of neurodegenerative processes.
- the technical result is an increase in the assortment list of pharmaceutical compositions and dosage forms intended for the treatment of cognitive impairment of vascular origin and having a neuromodulating, antiparkinsonian, neuroprotective and antispastic effect, slowing down and inhibiting glutamatergic neurotransmission and the progression of neurodegenerative processes.
- the pharmaceutical composition proposed in the present invention intended for the treatment of cognitive disorders of vascular origin, having a neuromodulating, antiparkinsonian, neuroprotective and antispastic effect, slowing down and inhibiting glutamatergic neurotransmission and the progression of neurodegenerative processes, including from 5.00 to 20.00 mg of memantine or its pharmaceutically acceptable salt and from 450 to 550 mg of citicoline or its pharmaceutically acceptable salt, as well as proposed in the present invention, an oral solid dosage form based on of the above pharmaceutical composition, comprising as active ingredients memantine or its pharmaceutically acceptable salt in an amount of from 5.00 to 20.00 mg and citicoline or its pharmaceutically acceptable salt in an amount of from 450 to 550 mg, made in the form of a modified release tablet coated with a film ⁇ , shell. Also, a technical result related to the simplification and the cost of the dosage form, is achieved by the method proposed in the present invention for producing an oral solid dosage form made on the basis of the above pharmaceutical composition.
- the pharmaceutical composition and dosage form in addition to memantine or its pharmaceutically acceptable salt and citicoline or its pharmaceutically acceptable salt, also contain auxiliary components, including a pharmaceutically acceptable excipient, hydroxypropyl methylcellulose, colloidal silicon dioxide and a pharmaceutically acceptable lubricant (lubricant).
- auxiliary components including a pharmaceutically acceptable excipient, hydroxypropyl methylcellulose, colloidal silicon dioxide and a pharmaceutically acceptable lubricant (lubricant).
- the pharmaceutically acceptable excipient is selected from microcrystalline cellulose, starch, glucose, sucrose, lactose, magnesium carbonate basic, gelatin, methylcellulose, sodium carboxymethylcellulose, calcium carbonate, glycine, dextrin, sorbitol, and mannitol.
- the pharmaceutically acceptable excipient is microcrystalline cellulose.
- the pharmaceutically acceptable lubricant is a pharmaceutically acceptable salt of stearic acid, such as (but not limited to), magnesium stearate or calcium stearate.
- stearic acid such as (but not limited to), magnesium stearate or calcium stearate.
- other pharmaceutically acceptable lubricants may be used, including other pharmaceutically acceptable salts of stearic acid.
- memantine can be used as a base or as a pharmaceutically acceptable salt.
- memantine can also be used in the form of a pharmaceutically acceptable inorganic acid salt, for example, in the form memantine hydrochloride, memantine hydrobromide, memantine sulfate, memantine hydrogen sulfate and memantine dihydrogen sulfate, and the like.
- memantine can be used as a pharmaceutically acceptable organic acid salt, such as memantine oxalate, memantine citrate, memantine succinate, memantine maleate, memantine fumarate, memantine malate, memantine tartrate, and the like.
- a sulfonate such as (but not limited to) memantine methanesulfonate (mesylate), memantine benzenesulfonate (besylate), or memantine toluenesulfonate (tosylate).
- memantine can also be used as memantine hydroiodide, memantine perchlorate, memantine acetate, memantine propionate, memantine glycolate, memantine lactate, memantine pyruvate, memantine malonate, memantine benzoate, memantine carbonate, memantine cinnamate, memantine mandelate, memantine ethanesulfonate, memantine hydroxyethanesulfonate, memantine p-toluenesulfonate, memantine cyclohexanesulfamate, memantine salicylate, memantine p-aminosalicylate, memantine 2-phenoxybenzoate, or memantine 2-acetoxybenzoate.
- memantine according to the present invention is used in the form of memantine hydrochloride.
- citicoline can be used in the form of a base or in the form of a pharmaceutically acceptable salt.
- citicoline can also be used as a pharmaceutically acceptable salt of an inorganic acid such as hydrochloric or phosphoric acid, or as a pharmaceutically acceptable salt of an organic acid such as acetic, oxalic, tartaric, mandelic, etc. P.
- the citicoline of the present invention is used as the monosodium salt of citicoline (also referred to herein as monosodium citicoline).
- the lubricant, citicoline or its pharmaceutically acceptable salt, memantine or its pharmaceutically acceptable salt, pharmaceutically acceptable excipient, hydroxypropyl methylcellulose, colloidal silicon dioxide are sifted through a sieve with a mesh diameter of not more than 0.5 mm, then loaded into a mixer - a granulator or a similar mixing device for citicoline monosodium salt, microcrystalline cellulose and hydroxypropyl methylcellulose, is mixed until homogeneous at a stirring speed of 160-240 rpm, and the stirring time is in the range from 2 to 10 minutes, then, with constant stirring of the mixture, moisten the mixture with purified water, at the same time, the stirring speed should be in the range of 150-400 rpm, and the stirring time should not exceed 5 minutes, after which the resulting granulate is subjected to drying under fluidized bed conditions while maintaining the following parameters: inlet air temperature 45-65 ° C, residual humidity gran from 2.5 to 4.5%, the
- a film shell I is applied to the resulting tablet cores, which is a mixture of hydroxypropyl methylcellulose, titanium dioxide and macrogol; in the process of dissolving the film shell I, the pharmaceutical substance memantine hydrochloride is added in parts and mixed until a homogeneous suspension is formed, after which the resulting shell is applied at a tablet core temperature of 35-40 ° C and periodic stirring, including in a coater drum, then a film solution is prepared shell II from a mixture of polyvinyl alcohol, talc, macrogol, iron oxides and titanium dioxide, after obtaining a solution film former, thus obtaining a film shell II. Film coating II is applied to tablets over film coating I under the same conditions as film coating I.
- film shell I and/or film shell II may also contain active substances selected from memantine or its pharmaceutically acceptable salt and citicoline or its pharmaceutically acceptable salt.
- film coat I contains a pharmaceutically acceptable salt of memantine, eg memantine hydrochloride
- film coat II contains a pharmaceutically acceptable salt of citicoline, eg citicoline monosodium salt.
- film coat I in contrast, contains a pharmaceutically acceptable salt of citicoline, eg citicoline monosodium salt
- film coat II contains a pharmaceutically acceptable salt of memantine, eg memantine hydrochloride.
- the microcrystalline cellulose is commercially available microcrystalline cellulose grade 101.
- hydroxypropyl methylcellulose is hydroxypropyl methylcellulose with a molecular weight of 1,000,000 Da, for example (but not limited to), hypromellose type 2208 ( K100M) or similar.
- the colloidal silicon dioxide is grade A 200 colloidal silicon dioxide.
- a pharmaceutical composition that provides an increase in the therapeutic activity of the quantitative and qualitative composition of the ingredients, effective for the treatment of cognitive impairment of vascular origin, having a neuromodulating, antiparkinsonian, neuroprotective and antispastic effect, slowing down and inhibiting glutamatergic neurotransmission and the progression of neurodegenerative processes, including 5 to 20 mg of memantine or a pharmaceutically acceptable salt thereof; and 450 to 550 mg of citicoline or a pharmaceutically acceptable salt thereof.
- An illustrative quantitative and qualitative example of the composition of the pharmaceutical composition is presented in Table 1.
- Other illustrative examples of the quantitative and qualitative composition of the ingredients of the pharmaceutical composition are presented in Table 2. The person skilled in the art understands that these examples are illustrative (non-limiting) and are provided for the purposes of illustrating the present invention, not to limit the scope of claims.
- the microcrystalline cellulose is microcrystalline cellulose grade 101.
- microcrystalline cellulose grade 101 Those skilled in the art will appreciate that other microcrystalline cellulose having similar characteristics can be used, for example, microcrystalline cellulose grade 105, 102, 103, 302 , 200, 50 M, 90 M or similar.
- hydroxypropyl methylcellulose is hydroxypropyl methylcellulose with a molecular weight of 1,000,000. Most preferably (also without limitation), hydroxypropyl methylcellulose is hypromellose type 2208 (K100M).
- K100M hypromellose type 2208
- the colloidal silicon dioxide is grade A 200 colloidal silicon dioxide. The skilled artisan will appreciate that other types of colloidal silicon dioxide having similar characteristics can be used, such as grade A colloidal silicon dioxide. 300, A 380, R 972 or similar.
- the ' ' film shell I is made from a commercially available mixture of hydroxypropyl methylcellulose, titanium dioxide and macrogol.
- the film casing I is made from a commercially available mixture of "Opadry 03F180011 white".
- Opadry based on hydroxypropyl methylcellulose, including other auxiliary components or similar as well as Opadry II based on hydroxypropyl methylcellulose, including other auxiliary components or similar.
- the film shell II is made from a commercially available mixture of polyvinyl alcohol, talc, macrogol, iron oxides and titanium dioxide.
- the film casing II is made from the commercially available mixture "Opadry II 85F 200062 purple".
- Opadry based on polyvinyl alcohol including other auxiliaries or similar
- Opadry II based on hydroxypropyl methylcellulose including other auxiliary components or similar.
- the proposed pharmaceutical composition provides increase in the therapeutic activity of the quantitative and qualitative composition of the ingredients, effective for the treatment of cognitive impairment of vascular origin, having a neuromodulating, antiparkinsonian, neuroprotective and antispastic effect, slowing down and inhibiting glutamatergic neurotransmission and the progression of neurodegenerative processes, made in the form of a film-coated tablet and containing from 5 to 20 mg of memantine hydrochloride and 450 to 550 mg of citicoline monosodium salt, as well as excipients, including microcrystalline cellulose, hydroxypropyl methylcellulose with a molecular weight of 1,000,000, colloidal silicon dioxide and magnesium stearate, with the following ratio of quantitative and qualitative composition of the ingredients of the pharmaceutical composition, wt.% :
- the microcrystalline cellulose is grade 101 microcrystalline cellulose.
- the hydroxypropyl methylcellulose is hydroxypropyl methylcellulose with a molecular weight of 1,000,000 Da. Most preferably (also without limitation), the hydroxypropyl methylcellulose is type 2208 hypromellose (K100M).
- K100M hypromellose
- the fumed silica is grade A 200 fumed silica.
- Those skilled in the art will appreciate that other fumed silicas having similar characteristics can be used.
- the film shell I is made from a commercially available mixture of hydroxypropyl methylcellulose, titanium dioxide and macrogol. In the most preferred (non-limiting) embodiment of the invention, the film shell I is made from a commercially available mixture of "Opadry 03F180011 white”.
- the film shell II is made from a commercially available mixture of polyvinyl alcohol, talc, macrogol, iron oxides and titanium dioxide.
- the film casing II is made from the commercially available mixture "Opadry II 85F 200062 purple”.
- a pharmaceutical composition that provides an increase in the therapeutic activity of the quantitative and qualitative composition of the ingredients, effective for the treatment of cognitive impairment of vascular origin, has a neuromodulatory, antiparkinsonian, neuroprotective and antispastic effect, slows down and inhibits glutamatergic neurotransmission and progression of neurodegenerative processes, including from 5 to 20 mg of memantine or its pharmaceutically acceptable salt, and from 450 to 550 mg of citicoline or its pharmaceutically acceptable salt, with the following ratio of the quantitative and qualitative composition of the ingredients of the pharmaceutical composition, mg:
- the pharmaceutically acceptable salt of citicoline is citicoline monosodium salt.
- the pharmaceutically acceptable memantine salt is memantine hydrochloride.
- the microcrystalline cellulose is grade 101 microcrystalline cellulose.
- the hydroxypropyl methylcellulose is hydroxypropyl methylcellulose with a molecular weight of 1,000,000 Da. Most preferably (also without limitation), the hydroxypropyl methylcellulose is type 2208 hypromellose (K100M).
- K100M hypromellose
- the fumed silica is grade A 200 fumed silica.
- Those skilled in the art will appreciate that other fumed silicas having similar characteristics can be used.
- the film shell I is made from a commercially available mixture of hydroxypropyl methylcellulose, titanium dioxide and macrogol. In the most preferred (non-limiting) embodiment of the invention, the film shell I is made from a commercially available mixture of "Opadry 03F180011 white”.
- film shell II is made from a commercially available mixture of polyvinyl alcohol, talc, macrogol, iron oxides and titanium dioxide.
- the film casing II is made from the commercially available mixture "Opadry II 85F 200062 purple”.
- the person skilled in the art will appreciate that other commercially available blends well known to the person skilled in the art can be used for both film shell I and film shell II.
- the microcrystalline cellulose is grade 101 microcrystalline cellulose.
- the hydroxypropyl methylcellulose is hydroxypropyl methylcellulose with a molecular weight of 1,000,000 Da. Most preferably (also without limitation), the hydroxypropyl methylcellulose is hypromellose type 2208 (K100M). One skilled in the art will recognize that other hydroxypropyl methylcelluloses having similar characteristics can be used.
- the fumed silica is grade A 200 fumed silica.
- Those skilled in the art will appreciate that other fumed silicas having similar characteristics can be used.
- the film shell I is made from a commercially available mixture of hydroxypropyl methylcellulose, titanium dioxide and macrogol.
- the film casing I is made from a commercially available mixture of "Opadry 03F180011 white”.
- the film shell II is made from a commercially available mixture of polyvinyl alcohol, talc, macrogol, iron oxides and titanium dioxide.
- the film casing II is made from the commercially available mixture "Opadry II 85F 200062 purple".
- the person skilled in the art will appreciate that other commercially available blends well known to the person skilled in the art can be used for both film shell I and film shell II.
- an oral solid dosage form which provides an increase in the therapeutic activity of the quantitative and qualitative composition of the ingredients, effective for the treatment of cognitive impairment of vascular origin, has a neuromodulating, antiparkinsonian, neuroprotective and antispastic effect, slowing down and inhibiting glutamatergic neurotransmission and progression of neurodegenerative processes, including as active substances from 5.00 to 20.00 mg of memantine or its pharmaceutically acceptable salt, such as memantine hydrochloride, and from 450 to 550 mg of citicoline or its pharmaceutically acceptable salt, such as citicoline monosodium a salt, wherein said oral solid dosage form is in the form of a film-coated modified release tablet.
- the quantitative and qualitative composition of the ingredients of the specified dosage form (in terms of 1 tablet) is presented in Table 3.
- Non-limiting (illustrative) examples of the quantitative and qualitative composition of the ingredients of the dosage form in terms of 1 tablet are presented in Table 4:
- the microcrystalline cellulose is grade 101 microcrystalline cellulose.
- the hydroxypropyl methylcellulose is hydroxypropyl methylcellulose with a molecular weight of 1,000,000 Da. Most preferably (also without limitation), the hydroxypropyl methylcellulose is hypromellose type 2208 (K100M). One skilled in the art will recognize that other hydroxypropyl methylcelluloses having similar characteristics can be used.
- the fumed silica is grade A 200 fumed silica.
- Those skilled in the art will appreciate that other fumed silicas having similar characteristics can be used.
- the film shell I is made from a commercially available mixture of hydroxypropyl methylcellulose, titanium dioxide and macrogol.
- the film casing I is made from a commercially available mixture of "Opadry 03F180011 white”.
- the film shell II is made from a commercially available mixture of polyvinyl alcohol, talc, macrogol, iron oxides and titanium dioxide.
- the film casing II is made from the commercially available mixture "Opadry II 85F 200062 purple".
- the person skilled in the art will appreciate that other commercially available blends well known to the person skilled in the art can be used for both film shell I and film shell II.
- an oral solid dosage form that provides an increase in the therapeutic activity of the quantitative and qualitative composition of the ingredients, effective for the treatment of cognitive impairment of vascular origin, has a neuromodulatory, antiparkinsonian, neuroprotective and antispastic effect, slows down and inhibits glutamatergic neurotransmission and progression of neurodegenerative processes, including as active substances memantine or its pharmaceutically acceptable salt, in an amount of from 5.00 to 20.00 mg, and citicoline or its pharmaceutically acceptable salt, in an amount of from 450 to 550 mg, and the specified oral solid drug forms is made in the form of a modified release tablet, film-coated, with the following quantitative and qualitative composition of the ingredients of the dosage form in terms of 1 tablet, May. %:
- Memantine or its pharmaceutically acceptable salt 0.67-2.50
- the pharmaceutically acceptable salt of citicoline is citicoline monosodium salt and the pharmaceutically acceptable salt of memantine is memantine hydrochloride.
- the microcrystalline cellulose is grade 101 microcrystalline cellulose.
- the hydroxypropyl methylcellulose is hydroxypropyl methylcellulose with a molecular weight of 1,000,000 Da. Most preferably (also without limitation), the hydroxypropyl methylcellulose is hypromellose type 2208 (K100M). One skilled in the art will recognize that other hydroxypropyl methylcelluloses having similar characteristics can be used.
- the fumed silica is grade A 200 fumed silica.
- the film shell I is made from a commercially available mixture hydroxypropylmethylcellulose, titanium dioxide and macrogol.
- the film casing I is made from a commercially available mixture of "Opadry 03F180011 white”.
- the film shell II is made from a commercially available mixture of polyvinyl alcohol, talc, macrogol, iron oxides and titanium dioxide.
- the film casing II is made from the commercially available mixture "Opadry II 85F 200062 purple".
- the person skilled in the art will appreciate that other commercially available blends well known to the person skilled in the art can be used for both film shell I and film shell II.
- an oral solid dosage form that provides an increase in the therapeutic activity of the quantitative and qualitative composition of the ingredients, effective for the treatment of cognitive impairment of vascular origin, has a neuromodulatory, antiparkinsonian, neuroprotective and antispastic effect, slows down and inhibits glutamatergic neurotransmission and progression of neurodegenerative processes, including as active substances memantine or its pharmaceutically acceptable salt, for example, memantine hydrochloride, in an amount of 5.00 to 20.00 mg and citicoline or its pharmaceutically acceptable salt, in an amount of 450 to 550 mg, made in in the form of a modified release tablet, film-coated, with the following quantitative and qualitative composition of the ingredients of the dosage form in terms of 1 tablet, mg:
- Memantine 5-20 or its pharmaceutically acceptable salt Cellulose microcrystalline 5-35
- the pharmaceutically acceptable salt of citicoline is citicoline monosodium salt and the pharmaceutically acceptable salt of memantine is memantine hydrochloride.
- the microcrystalline cellulose is grade 101 microcrystalline cellulose.
- the hydroxypropyl methylcellulose is hydroxypropyl methylcellulose with a molecular weight of 1,000,000 Da. Most preferably (also without limitation), the hydroxypropyl methylcellulose is type 2208 hypromellose (K100M). One skilled in the art will recognize that other hydroxypropyl methylcelluloses having similar characteristics may be used. Also in a preferred (non-limiting) embodiment of the invention, the fumed silica is grade A 200 fumed silica. Those skilled in the art will appreciate that other fumed silicas having similar characteristics can be used.
- the film shell I is made from a commercially available mixture of hydroxypropyl methylcellulose, titanium dioxide and macrogol.
- the film shell I is made from a commercially available mixture of "Opadry 03F 180011 white”.
- the film shell II is made from a commercially available mixture of polyvinyl alcohol, talc, macrogol, iron oxides and titanium dioxide.
- the film casing II is made from the commercially available mixture "Opadry II 85F 200062 purple".
- the person skilled in the art will appreciate that other commercially available blends well known to the person skilled in the art can be used for both film shell I and film shell II.
- the microcrystalline cellulose is grade 101 microcrystalline cellulose.
- the hydroxypropyl methylcellulose is hydroxypropyl methylcellulose with a molecular weight of 1,000,000 Da. Most preferably (also without limitation), the hydroxypropyl methylcellulose is hypromellose type 2208 (K100M). One skilled in the art will recognize that other hydroxypropyl methylcelluloses having similar characteristics can be used.
- the fumed silica is grade A 200 fumed silica.
- Those skilled in the art will appreciate that other fumed silicas having similar characteristics can be used.
- the film shell I is made from a commercially available mixture of hydroxypropyl methylcellulose, titanium dioxide and macrogol. In the most preferred (non-limiting) embodiment of the invention, the film shell I is made from a commercially available mixture of "Opadry 03F180011 white”.
- the film shell II is made from a commercially available mixture of polyvinyl alcohol, talc, macrogol, iron oxides and titanium dioxide.
- the film casing II is made from the commercially available mixture "Opadry II 85F 200062 purple".
- the person skilled in the art will appreciate that other commercially available blends well known to the person skilled in the art can be used for both film shell I and film shell II.
- the technical result related to the simplification and cost reduction of the dosage form and pharmaceutical composition intended for the treatment of cognitive impairment of vascular origin, which has a neuromodulatory, antiparkinsonian, neuroprotective and antispastic effect, slowing down and inhibiting glutamatergic neurotransmission and the progression of neurodegenerative processes, is also achieved in the present invention by the fact that a method for obtaining a dosage form based on a pharmaceutical composition is proposed, in which magnesium stearate, citicoline monosodium salt, memantine hydrochloride, microcrystalline cellulose, including brand 101, hydroxypropyl methylcellulose, colloidal silicon dioxide, including brand A 200, are sieved through a sieve with a mesh diameter of not more than 0.5 mm, then monosodium salt, microcrystalline cellulose and hydroxypropyl methylcellulose are loaded into a citicoline mixer-granulator or similar mixing device, mixed until homogeneous at a stirring speed of 160-240 rpm, and a stirring time in the range from 2 to 10 minutes,
- the technical result related to the simplification and cost reduction of the dosage form and pharmaceutical composition intended for the treatment of cognitive disorders of vascular origin, which has a neuromodulating, antiparkinsonian, neuroprotective and antispastic effect, slowing down and inhibiting glutamatergic neurotransmission and the progression of neurodegenerative processes is also achieved by the fact that within the framework of The present invention proposes a method for obtaining a dosage form based on a pharmaceutical composition that provides an increase in the therapeutic activity of the quantitative and qualitative composition of ingredients that is effective for the treatment of cognitive impairment of vascular origin, as well as having a neuromodulating, antiparkinsonian, neuroprotective and antispastic effect, slowing down and inhibiting glutamatergic neurotransmission and the progression of neurodegenerative processes whereby magnesium stearate , citicoline or its pharmaceutically acceptable salt, memantine or its pharmaceutically acceptable salt, microcrystalline cellulose, hydroxypropyl methylcellulose, colloidal silicon dioxide, are sieved through a sieve with a mesh diameter of not more than 0.5
- Memantine or its pharmaceutically acceptable salt 0.67-2.50
- the pharmaceutically acceptable salt of citicoline is citicoline monosodium salt and the pharmaceutically acceptable salt of memantine is memantine hydrochloride.
- the microcrystalline cellulose is grade 101 microcrystalline cellulose.
- the hydroxypropylmethylcellulose is hydroxypropylmethylcellulose with a molecular weight of 1,000,000 Da. Most preferably (also without limitation), the hydroxypropyl methylcellulose is hypromellose type 2208 (K100M). One skilled in the art will recognize that other hydroxypropyl methylcelluloses having similar characteristics can be used.
- the colloidal silica is grade A 200 colloidal silica.
- grade A 200 colloidal silica The skilled artisan will appreciate that other varieties of colloidal silica having similar characteristics can be used.
- the film shell I is made from a commercially available mixture of hydroxypropyl methylcellulose, titanium dioxide and macrogol. In the most preferred (non-limiting) embodiment of the invention, the film shell I is made from a commercially available mixture of "Opadry 03F180011 white”.
- the film shell II is made from a commercially available mixture of polyvinyl alcohol, talc, macrogol, iron oxides and titanium dioxide.
- the film shell II is made from a commercially available mixture of "Opadry II 85F 200062 purple".
- the person skilled in the art will appreciate that other commercially available blends well known to the person skilled in the art can be used for both film shell I and film shell II.
- the technical result related to the simplification and cost reduction of the dosage form and pharmaceutical composition intended for the treatment of cognitive disorders of vascular origin, which has a neuromodulating, antiparkinsonian, neuroprotective and antispastic effect, slowing down and inhibiting glutamatergic neurotransmission and the progression of neurodegenerative processes is also achieved by the fact that within the framework of The present invention proposes a method for obtaining a dosage form based on a pharmaceutical composition that provides an increase in the therapeutic activity of the quantitative and qualitative composition of ingredients that is effective for the treatment of cognitive impairment of vascular origin, as well as having a neuromodulating, antiparkinsonian, neuroprotective and antispastic effect, slowing down and inhibiting glutamatergic neurotransmission and the progression of neurodegenerative processes, including from 5 to 20 mg of memantine or its pharmaceutically acceptable salt, for example, memantine hydrochloride, and from 450 to 550 mg of citicoline or its pharmaceutically acceptable salt, for example, monosodium citicoline, and, according to this method, magnesium ste
- the resulting mixture for tableting is subjected to tableting on a rotary tablet press using a press tool with a diameter of 10 to 15 mm, the tableting process is controlled by the following parameters: hardness - 150-290 N, friability - no more than 1.0%, height - no more than 7 0 mm, then a shell is applied to the obtained core tablets, in the process of dissolving the film shell of a mixture of hydroxypropyl methylcellulose, titanium dioxide and macrogol, the pharmaceutical substance of memantine hydrochloride is added in parts and mixed until a homogeneous suspension is formed, after which the resulting shell is applied at a tablet core temperature of 35- 40 ° C and periodic stirring, including in the drum of the coater, then prepare a film shell solution from a mixture of polyvinyl alcohol, talc, macrogol, iron oxides and titanium dioxide, after obtaining a film former solution, it is applied to tablets under the same conditions as previous coverage, next quantity and quality the composition of the ingredients of the dosage form in terms of 1
- the pharmaceutically acceptable salt of citicoline is citicoline monosodium salt and the pharmaceutically acceptable salt of memantine is memantine hydrochloride.
- the microcrystalline cellulose is grade 101 microcrystalline cellulose.
- the hydroxypropyl methylcellulose is hydroxypropyl methylcellulose with a molecular weight of 1,000,000 Da. Most preferably (also without limitation), the hydroxypropyl methylcellulose is type 2208 hypromellose (K100M). One skilled in the art will recognize that other hydroxypropyl methylcelluloses having similar characteristics may be used.
- the colloidal silica is grade A 200 colloidal silica.
- grade A 200 colloidal silica The skilled artisan will appreciate that other varieties of colloidal silica having similar characteristics can be used.
- the film shell I is made from a commercially available mixture of hydroxypropyl methylcellulose, titanium dioxide and macrogol. In the most In a preferred (non-limiting) embodiment of the invention, the film shell I is made from a commercially available mixture of "Opadry 03F180011 white”.
- the film shell II is made from a commercially available mixture of polyvinyl alcohol, talc, macrogol, iron oxides and titanium dioxide.
- the film casing II is made from the commercially available mixture "Opadry II 85F 200062 purple".
- the person skilled in the art will appreciate that other commercially available blends well known to the person skilled in the art can be used for both film shell I and film shell II.
- a medicinal product in the form of a modified release tablet including citicoline or a pharmaceutically acceptable salt thereof and memantine or a pharmaceutically acceptable salt thereof as pharmaceutical substances, microcrystalline cellulose as a filler, hypromellose in as a matrix agent, colloidal silicon dioxide as a glidant, magnesium stearate as a lubricant, film shell, as an insulating shell (Film shell I), protective (Film shell II) and carrier (Film shell 1a), with the following quantitative and qualitative composition dosage form ingredients in terms of 1 tablet, wt.%:
- the pharmaceutically acceptable salt of citicoline is citicoline monosodium salt and the pharmaceutically acceptable salt of memantine is memantine hydrochloride.
- the microcrystalline cellulose is grade 101 microcrystalline cellulose.
- the hydroxypropyl methylcellulose is hydroxypropyl methylcellulose with a molecular weight of 1,000,000 Da. Most preferably (also without limitation), the hydroxypropyl methylcellulose is type 2208 hypromellose (K100M). One skilled in the art will recognize that other hydroxypropyl methylcelluloses having similar characteristics may be used.
- the colloidal silica is A200 grade colloidal silicon dioxide. characteristics.
- the film shell I is made from a commercially available mixture of hydroxypropyl methylcellulose, titanium dioxide and macrogol.
- the film casing I is made from a commercially available mixture of "Opadry 03F180011 white”.
- the film shell II is made from a commercially available mixture of polyvinyl alcohol, talc, macrogol, iron oxides and titanium dioxide.
- the film casing II is made from the commercially available mixture "Opadry II 85F 200062 purple”.
- the person skilled in the art will appreciate that other commercially available blends well known to the person skilled in the art can be used for both film shell I and film shell II.
- a modified release tablet formulation comprising citicoline or a pharmaceutically acceptable salt thereof, for example monosodium citicoline, and memantine or a pharmaceutically acceptable salt thereof, for example memantine hydrochloride, as active substances, microcrystalline cellulose as a filler, hypromellose as a matrix agent, colloidal silicon dioxide as a glidant, magnesium stearate as a lubricant, film shell, as a shell and carrier, with the following quantitative and qualitative composition of the ingredients of the dosage form in terms of per 1 tablet, mg:
- the pharmaceutically acceptable salt of citicoline is citicoline monosodium salt and the pharmaceutically acceptable salt of memantine is memantine hydrochloride.
- the microcrystalline cellulose is grade 101 microcrystalline cellulose.
- the hydroxypropyl methylcellulose is hydroxypropyl methylcellulose with a molecular weight of 1,000,000 Da. Most preferably (also without limitation), the hydroxypropyl methylcellulose is type 2208 hypromellose (K100M). One skilled in the art will recognize that other hydroxypropyl methylcelluloses having similar characteristics may be used.
- the colloidal silica is A200 grade colloidal silicon dioxide. characteristics.
- the film shell I is made from a commercially available mixture of hydroxypropyl methylcellulose, titanium dioxide and macrogol. In the most preferred (non-limiting) embodiment of the invention, the film casing I is made from a commercially available mixture of "Opadry 03F180011 white”.
- the film shell II is made from a commercially available mixture of polyvinyl alcohol, talc, macrogol, iron oxides and titanium dioxide.
- the film casing II is made from the commercially available mixture "Opadry II 85F 200062 purple".
- the person skilled in the art will appreciate that other commercially available blends well known to the person skilled in the art can be used for both film shell I and film shell II.
- a modified release tablet formulation comprising citicoline or a pharmaceutically acceptable salt thereof, e.g. citicoline sodium, and memantine or a pharmaceutically acceptable salt thereof, e.g. memantine hydrochloride, as active ingredients, microcrystalline cellulose as a filler, hypromellose as a matrix agent, colloidal silicon dioxide as a glidant, magnesium stearate as a lubricant, film shell, as a shell and carrier, with the following quantitative and qualitative composition of the ingredients of the dosage form in terms of 1 tablet, wt.%:
- a modified release tablet formulation comprising citicoline or a pharmaceutically acceptable salt thereof, e.g. citicoline sodium and memantine or a pharmaceutically acceptable salt thereof, e.g. memantine hydrochloride, as active agents.
- substances microcrystalline cellulose as a filler, hypromellose as a matrix agent, colloidal silicon dioxide as a glidant, magnesium stearate as a lubricant, film shell, as a shell and carrier, with the following quantitative and qualitative composition of the ingredients of the dosage form in terms of 1 tablet , mg: Table 6.
- Examples of quantitative and qualitative composition of ingredients in terms of 1 tablet including memantine in an amount of 10 mg and citicoline in an amount of 500 mg as active ingredients.
- the mixing time is 120 s, then the granulation process is carried out, in which, with constant stirring of the mixture in the mixer-granulator, a humidifier solution is added, mixing is carried out until a fine crumbly granulate is formed (visual control), the granulation parameters depend on the volume of the laboratory series, including
- the mixing time is 60 s, then the granulate is dried, where the granulate is dried in an oven (fluidized bed dryer), the parameters of the drying process depend on the equipment used and the volume of the laboratory batch, including,
- the residual moisture content of the granulate is from 2.5 to 4.5%, after which the granulate is calibrated, namely, the granulate is sieved, for example, on a vibrating screen CIS A RP 200 N through a sieve of 1.0 mm (0.710 mm), and the residues are rubbed through a sieve 1.0 mm (0.710 mm) manually, then dusting is carried out, in which granulate and sifted colloidal silicon dioxide are introduced into the mixer, mixing is carried out until a homogeneous state (visual control), mixing parameters depend on the type of equipment and the volume of the laboratory series, including number,
- the mixing time is 300 s, and, in the presence of colloidal silicon dioxide agglomerates, it is allowed to sift the mixture through a 1.0 mm sieve, colloidal silicon dioxide agglomerates are rubbed through a sieve manually, hypromellose, including type 2208, sifted, is added to the mixer and continue mixing until homogeneous (visual control), mixing parameters depend on the type of equipment and the volume of the laboratory series, including,
- the tableting mixture is discharged into a labeled container, a representative sample is taken for control, according to the specification, then the tableting process is carried out, which is carried out on a tablet press, for example (but not limited to), Futorque X-1, the tableting process is carried out on a round press tool with a geometry 12.00 mm, at the beginning of the process, the tablet press is set up for the production of tablets with an average weight, including 700.0 mg.
- a tablet press for example (but not limited to), Futorque X-1
- the tableting process is carried out on a round press tool with a geometry 12.00 mm, at the beginning of the process, the tablet press is set up for the production of tablets with an average weight, including 700.0 mg.
- the tablet press is adjusted according to the remaining indicators: hardness - 200-290 N; abrasion - no more than 1.0%; height - no more than 6.0 mm; deviations from the average weight of 20 tablets - deviations from the average weight of individual tablets should not exceed 5%, after setting the tablet press, the tableting process is carried out until the tableting mixture is completely consumed, during tableting, at least once every 10 minutes, control is carried out: the average weight of the tablets ; tablet hardness.
- the tablets are collected in labeled containers; after the end of the process, the containers are closed, a representative selection of tablets is carried out, to carry out an intermediate control according to the specification, then the film coating process of the tablets is carried out , which includes the preparation of a film suspension, namely, an 18% film suspension is used in the film coating process, set mixing purified water so that a funnel forms on the surface of the water, a dry film coating is gradually introduced, preventing the formation of agglomerates on the surface of the solution, then after the mixing speed is reduced so that pricing does not occur, and the solution is left to mix for 45 minutes, then the coating is applied, which is carried out on a coater of a modular installation, for example, BOSCH Solidlab 1, before carrying out the coating process, the tablets are heated to 37-39 ° C with periodic stirring in the drum of the coater, when the temperature of the tablets is reached spraying of the film suspension is started, the application process is carried out at a product temperature of 35-40 ° C, in the process the
- the application process is carried out at a product temperature of 35-40°C, during the process the appearance of the tablets and the weight gain of the shell are controlled, the coating process is carried out until the average weight of the tablets is obtained, including 735.00 mg / 760.00 mg, upon reaching the specified weight tablets, the process is stopped and the tablets are cooled to a temperature not exceeding 33 ° C., after the end of the process, the containers are closed, a representative selection of tablets is carried out for intermediate control, the coated tablets are stored in closed containers, then the process of coating the tablets with the final shell is carried out, in the process film coating, use an 18% film suspension, set the mixing of purified water so that a funnel is formed on surface of the water, gradually introduce a dry film coating, preventing the formation of agglomerates on the surface of the solution, then reduce the mixing speed so that foaming does not occur, and leave the solution to mix for at least 45 minutes, the coating is carried out on a coater of a modular installation, for example, BOSCH Solidlab 1 , before carrying out the
- the temperature of the coolant is 10°C, after which the tightness of the blisters is checked using, for example, the Erweka VDT / S tester, the first and last received blisters are subject to mandatory tightness checks.
- compositions of pharmaceutical compositions as well as the proposed dosage form, manufactured by the described method on the basis of the proposed compositions, ensure the achievement of the technical results of the present invention: increasing the therapeutic activity of citicoline or its pharmaceutically acceptable salt by providing its supertotal (synergistic) interaction with memantine or its pharmaceutically acceptable salt, as well as due to its instant onset of action and subsequent effective and prolonged action; facilitating the therapy of cognitive impairment of vascular origin, providing side-effect-free, formulation-stable and storage-stable dosage forms of memantine or a pharmaceutically acceptable salt thereof and citicoline or a pharmaceutically acceptable salt thereof, providing an accessible and inexpensive process for the preparation of dosage forms of memantine or a pharmaceutically acceptable salt thereof, and citicoline or a pharmaceutically acceptable salt thereof.
- the resulting dosage form provides stability, storage stability and virtually no side effects.
- Each of the proposed inventions is industrially applicable in the field of pharmaceuticals, ensures the stability of the claimed properties, maintaining the stability of the properties for a period of at least 3 years.
- the proposed method for obtaining a dosage form ensures the stability of the properties of the dosage form, maintaining the stability of properties for a period of at least 3 years.
- a pharmaceutical composition that has a neuromodulating, antiparkinsonian, neuroprotective and antispastic effect, intended for the treatment of cognitive impairment of vascular origin, slowing down and inhibiting glutamatergic neurotransmission and the progression of neurodegenerative processes
- a pharmaceutical composition that provides an increase in therapeutic activity of the declared quantitative and qualitative composition of the ingredients due to the instant onset of action and due to the effective and prolonged action of the composition of the ingredients, for the treatment of cognitive disorders of vascular origin, which has a neuromodulating, antiparkinsonian, neuroprotective and antispastic effect, slowing down and inhibiting glutamatergic neurotransmission and the progression of neurodegenerative processes
- the proposed group of inventions is industrially applicable, implemented in practice, as evidenced by the provided examples of the implementation of the group of inventions, which will be widely used in pharmaceuticals, both in Russia and abroad for pharmaceutical compositions and dosage forms with neuromodulating, antiparkinsonian, neuroprotective and antispastic action, slowing down and inhibiting glutamatergic neurotransmission and the progression of neurodegenerative processes, and intended for the treatment of cognitive impairment of vascular origin.
- Patent of the Russian Federation for the invention X ° 2605339 "Means for the relief of glutamate-induced apoptosis and inhibition of NMDA receptors, which has an immunomodulatory action, for the treatment of disorders of the nervous system, the effects of the cranial and brain injury and ischemic and hemorrhagic stroke "EcoPharmPlus” (RU), published: 20.12.2016, IPC: ⁇ 61 ⁇ 31/7068, ⁇ 61 ⁇ 31/13, ⁇ 61 ⁇ 47/48, ⁇ 61 ⁇ 9/10, ⁇ 61 ⁇ 25/00.
- IPC 10/27/2009, IPC: A61K 31/13, A61R 25/28.
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Abstract
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20947806.4A EP4190319A4 (en) | 2020-07-29 | 2020-07-29 | PHARMACEUTICAL COMPOSITION CONTAINING MEMANTINE AND CITICOLINE |
PCT/RU2020/000389 WO2022025785A1 (ru) | 2020-07-29 | 2020-07-29 | Фармацевтическая композиция, включающая мемантин и цитиколин |
BR112023001663A BR112023001663A2 (pt) | 2020-07-29 | 2020-07-29 | Composição farmacêutica compreendendo memantina e citicolina |
Applications Claiming Priority (1)
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PCT/RU2020/000389 WO2022025785A1 (ru) | 2020-07-29 | 2020-07-29 | Фармацевтическая композиция, включающая мемантин и цитиколин |
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Publication Number | Publication Date |
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WO2022025785A1 true WO2022025785A1 (ru) | 2022-02-03 |
WO2022025785A8 WO2022025785A8 (ru) | 2022-04-21 |
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Country Status (3)
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2020
- 2020-07-29 BR BR112023001663A patent/BR112023001663A2/pt unknown
- 2020-07-29 WO PCT/RU2020/000389 patent/WO2022025785A1/ru active Application Filing
- 2020-07-29 EP EP20947806.4A patent/EP4190319A4/en active Pending
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See also references of EP4190319A4 |
Also Published As
Publication number | Publication date |
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BR112023001663A2 (pt) | 2023-02-23 |
EP4190319A4 (en) | 2024-05-01 |
EP4190319A1 (en) | 2023-06-07 |
WO2022025785A8 (ru) | 2022-04-21 |
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