WO2015096187A1 - 一种稳定的晶i型阿戈美拉汀片剂及其制备方法 - Google Patents
一种稳定的晶i型阿戈美拉汀片剂及其制备方法 Download PDFInfo
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- WO2015096187A1 WO2015096187A1 PCT/CN2014/000527 CN2014000527W WO2015096187A1 WO 2015096187 A1 WO2015096187 A1 WO 2015096187A1 CN 2014000527 W CN2014000527 W CN 2014000527W WO 2015096187 A1 WO2015096187 A1 WO 2015096187A1
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- Prior art keywords
- agomelatine
- crystalline form
- protective agent
- polyvinylpyrrolidone
- type
- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/16—Amides, e.g. hydroxamic acids
- A61K31/165—Amides, e.g. hydroxamic acids having aromatic rings, e.g. colchicine, atenolol, progabide
-
- 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
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2009—Inorganic compounds
-
- 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
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2013—Organic compounds, e.g. phospholipids, fats
-
- 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
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2013—Organic compounds, e.g. phospholipids, fats
- A61K9/2018—Sugars, or sugar alcohols, e.g. lactose, mannitol; Derivatives thereof, e.g. polysorbates
-
- 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
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2022—Organic macromolecular compounds
- A61K9/2027—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
-
- 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
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2022—Organic macromolecular compounds
- A61K9/205—Polysaccharides, e.g. alginate, gums; Cyclodextrin
- A61K9/2054—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
- A61K9/2072—Pills, tablets, discs, rods characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms
- A61K9/2077—Tablets comprising drug-containing microparticles in a substantial amount of supporting matrix; Multiparticulate tablets
-
- 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
- A61K9/2095—Tabletting processes
-
- 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
- A61P25/20—Hypnotics; Sedatives
-
- 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
- A61P25/22—Anxiolytics
-
- 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
- A61P25/24—Antidepressants
Definitions
- the invention belongs to the technical field of pharmaceutical preparations, and relates to a stable crystalline type I agomelatine tablet and a preparation method thereof.
- Agomelatine is a melatonin-type psychotropic drug.
- Melatonin analogue agomelatine is a melatonin-type psychotropic drug.
- the first melatonin receptor agonist is a melatonin analogue, which is also a serotonin 2C (5-HT2C) receptor antagonist.
- the affinity of melatonin to its receptors MT1 and MT2 is 8.85x10 and 2.63x10-", similar to agomelatine, and has a high affinity for cloned human melatonin receptors and MT2 (Ki respectively 6. 15x10- 11 and 2. 68 ⁇ 1 ( ⁇ ). clinical studies have shown that agomelatine has a good effect on patients with depression, and very few adverse reactions.
- agomelatine may be related to the increase of neuronal plasticity and neuronal proliferation in hippocampus.
- the proliferation, regeneration and death of adult rat brain neurons were determined by immunostaining. It was found that long-term (3 weeks) administration of agomelatine increased ventral dentate cell proliferation and neuronal regeneration in hippocampus. This part is related to emotional reflection. However, no similar conditions were observed during acute or subacute administration (4 hours or 9 weeks). After prolonged administration, cell proliferation and neuronal regeneration occurred in the entire dentate gyrus, indicating that agomelatine can increase the regeneration of hippocampus in different degrees, resulting in new granulosa cells.
- agomelatine I ii, m, ⁇ , v, and strontium
- Agomelatine tablets are commonly used in clinical practice, but the following difficulties exist in the preparation of crystalline form I agomelatine tablets:
- the crystallized agmelatin drug substance is sensitive to pulverization, grinding, pressure, heat, etc., and is converted into type II crystal to varying degrees.
- the following is a crystallization, grinding, and tableting of a crystalline Form I material (10 kg pressure) as measured by DSC (see Figure 4).
- the object of the present invention is to overcome the shortcomings and deficiencies of the prior art and to provide a novel crystalline type I agomelatine tablet and a process for the preparation thereof.
- the present invention provides the following technical solution: a crystalline type I agomelatine tablet, which is characterized in that it is composed of a crystalline type I agomelatine raw material, a protective agent, and a medicinal auxiliary material.
- a crystalline type I agomelatine raw material protective agent: the weight ratio of the pharmaceutical excipient is 1: 0. 1-1: 0. 1-10; the protective agent is polyvinylpyrrolidone, a mixture of one or more of hydroxypropylmethylcellulose, hydroxypropylcellulose.
- the crystalline type I agomelatine tablet according to the present invention wherein the crystalline type I agomelatine raw material means that the crystalline form I of the agomelatine raw material is at least 85% or more, preferably 95%. the above.
- a preferred crystalline form of agomelatine tablet of the invention consists of the following parts by weight of starting materials:
- the protective agent is a mixture of one or more of polyvinylpyrrolidone, hydroxypropylmethylcellulose, hydroxypropylcellulose; the pharmaceutical auxiliary is lactose, croscarmellose sodium, and Bipolyvinylpyrrolidone, stearic acid, magnesium stearate or silica.
- the invention further discloses a method for preparing a crystalline type I agomelatine tablet, which is carried out as follows:
- the raw material means that the crystalline form I of the agomelatine raw material is 85% or more, preferably 95% or more.
- the protective agent of the present invention is a mixture of one or more of hydroxypropylmethylcellulose, hydroxypropylcellulose, polyvinylpyrrolidone k30 or polyvinylpyrrolidone k90.
- concentration of the protective agent is generally 5 to 40%, preferably 10 to 30% (w/w). For example, 5- 20% hydroxypropylmethylcellulose, 5-20% light propyl cellulose, 5- 20% polyvinylpyrrolidone k30 or 5- 20% polyvinylpyrrolidone k90.
- the pharmaceutical excipients of the present invention are lactose, croscarmellose sodium, crosslinked polyvinylpyrrolidone, stearic acid, magnesium stearate or silica.
- the present invention mainly selects pure water as a solvent and adds one or more protective agents such as polyvinylpyrrolidone, hydroxypropylmethylcellulose, hydroxypropylcellulose.
- a protective agent such as polyvinylpyrrolidone, hydroxypropylmethylcellulose, hydroxypropylcellulose.
- protective agents such as polyvinylpyrrolidone, hydroxypropylmethylcellulose, hydroxy
- a preferred specific example of the present invention is: sifting the crystalline type I agomelatine (content of 85% or more) for use; and taking hydroxypropylmethylcellulose or polyvinylpyrrolidone k90 after stirring and dissolving in water (about 40 ⁇ ) Cool to room temperature, add crystal form I agomelat and mix well to obtain a protective agent containing agomelatine; then add lactose, part of U/2) croscarmellose sodium to wet method Mixing in a mixing granulator, adding a protective agent containing agomelatine, granulating, granulating by a rocking granulation mechanism; fluidized bed drying, whole grain, calculating yield; adding the remaining pharmaceutical excipients in proportion Mixed hook, tableting.
- Another preferred specific example of the present invention is to select pure water as a solvent and sieve the crystalline type I agomelatine (content 99%) for use; after taking hydroxypropylmethylcellulose and polyvinylpyrrolidone k30 in water and stirring and dissolving ( About 40 ° C), let cool to room temperature, add crystal form I agomelat and stir to obtain a protective agent containing agomelatine; then lactose, part (1/2) cross-linked polyvinylpyrrole The anthrone is mixed into a wet mixing granulator, and then added with a protective agent containing crystalline type I agomelatine to prepare a soft material, which is subjected to a rocking granulation mechanism; a fluidized bed is dried, and the whole is added in proportion. The other accessories are mixed and pressed.
- Still another preferred specific example of the present invention is: selecting pure water as a solvent, and sieving the crystalline type I agomelatine (content: 95% or more) for use; taking hydroxypropyl cellulose, hydroxypropylmethyl cellulose, polyethylene After the pyrrolidone k30 is stirred and dissolved in water (about 40 ⁇ ), it is allowed to cool to room temperature, and added to the crystal type I agomelatine, and the mixture is obtained.
- Gomeratin's protective agent is used; then lactose, part (1/2) of cross-linked polyvinylpyrrolidone is added to the wet mixing granulator for mixing, and then added with the protection of crystalline type I agomelatine Agent, soft material, swaying granulation mechanism granules; fluidized bed drying, whole granules, proportionately added to other auxiliary materials, and compressed.
- the present invention focuses on the following key issues -
- Solvent selection - Crystal Form I type agomelatine is almost insoluble in water and easily soluble in methanol, ethanol, acetonitrile, DMS0, etc., further bringing about changes in crystal form. Therefore, the optimum ratio of preparation is preferably 0.5 to 4 times of the raw material;
- Crystalline type I agomelatine is sensitive to heat and pressure and unstable under high temperature and high pressure conditions.
- the present inventors examined lactose, mannitol, calcium hydrogen phosphate, microcrystalline cellulose, pregelatinized starch, polyethylene glycol 4000, polyvinylpyrrolidone k30, hydroxypropylmethylcellulose, hydroxypropylcellulose.
- Polyvinylpyrrolidone k30, hydroxypropylmethylcellulose, polyethylene glycol, hydroxypropylcellulose were selected.
- Test method According to the prescription in the following table, take the appropriate amount of protective agent to make 5% solution; as a protective agent for granulation; mix with crystal type I agomelatine and lactose, add protective agent to soft material, pass 20 Mesh granulation, fluidized bed (inlet air temperature 45 ° C, boiling bed temperature 30 ° C) dry, calculate the yield; add cross-linked polyvinylpyrrolidone, magnesium stearate, stearic acid, dioxide according to the prescription amount Silicon; ⁇ 7. 5mm stamping sheet. The tablets were scanned by DSC and the purity of Form I was calculated by normalization.
- Method 1 The protective agent is mixed with agomelatine and then added with lactose.
- Method 2 Agomelatine is mixed with lactose and then added with a protective agent.
- Tablets were prepared according to methods 1 and 2; the results of determining the crystal form I purity of the tablets were as follows:
- Test 1 Select polyvinylpyrrolidone k30 as a protective agent to investigate the protective effects of different concentrations. According to the above prescription, the amount of polyvinylpyrrolidone k30 was taken to be 10%, 15%, 20°/. A solution was prepared as described above. The results of determining the crystal form I purity of the tablet are as follows -
- Test 2 Hydroxypropyl cellulose was selected as a protective agent to examine the protective effects at different concentrations. According to the above prescription, A suitable amount of hydroxypropylcellulose was prepared and placed in a 5%, 10%, 15%, 20% solution, and tablets were prepared as described above. The results of determining the crystal form I purity of the tablets are as follows:
- Test 3 Hydroxypropylmethylcellulose was selected as a protective agent to examine the protective effects at different concentrations. According to the above prescription, an appropriate amount of hydroxypropylmethylcellulose was prepared and placed in a 5%, 10%, 15%, 20% solution, and tablets were prepared as described above. The results of determining the crystal form I purity of the tablet are as follows -
- Test 4 Polyvinylpyrrolidone k30 and hydroxypropylcellulose were selected as protective agents to investigate the protective effects of different concentrations. According to the above prescription, take the appropriate amount of polyvinylpyrrolidone k30 and hydroxypropylcellulose (in a ratio of 1:1), and configure it to 5%, 10%, and 15°/. , 20% solution, tablets were prepared as described above. The results of determining the purity of the tablet crystal type I are as follows:
- Test 5 Hydroxypropylcellulose and hydroxypropylmethylcellulose were selected as protective agents to examine the protective effects at different concentrations. According to the above prescription, take hydroxypropylcellulose, hydroxypropylmethylcellulose in an appropriate amount (in a ratio of 1:1), and configure it to 5%.
- mixed protective agents is the best, of which hydroxypropylmethylcellulose and polyvinylpyrrolidone k30 are the best choice.
- the use of 15% concentration, 20% concentration (too much viscosity) soft material preparation is relatively easy, more conducive to industrial production.
- the two dissolution curves are considered to be similar, so the foreign sample and the self-made sample are in water, 0.1 mol/L hydrochloric acid solution, pH 4.5 buffer solution, pH 6.8 phosphoric acid.
- the dissolution profiles in the salt buffer are similar.
- tablets were prepared according to a prescription process using hydroxypropylmethylcellulose and polyvinylpyrrolidone k30 as a protective agent at a concentration of 15%.
- the protective agent selected for use in the present invention is selected from the auxiliary materials commonly used in general preparations: hydroxypropylcellulose, hydroxypropylmethylcellulose, and polyvinylpyrrolidone.
- the method for adding the protective agent selected in the present invention is: firstly, the crystalline type I agomelatine is sufficiently stirred with a certain concentration of the protective agent aqueous solution to obtain a protective agent containing the crystalline type agomelatine.
- the crystalline type I agomelatine tablet prepared by the present invention can sufficiently ensure that the crystal form I does not change during the preparation of the tablet.
- the tablet form and the related substance have good stability in the tablet preparation process disclosed in the present invention.
- FIG. 1 A crystal type I raw material DSC chart
- Fig. 5 DSC diagram of the AG crystal after the protection of the type I protective material
- FIG. 6 crystal type I raw material (including heterocrystal) DSC chart
- agomelatine crystal type I content of 85% or more
- Chinese patent CN101704763A other excipients used are commercially available.
- Crystallized type I agomelatine is sieved according to the above weight; hydroxypropyl cellulose and polyvinylpyrrolidone k30 are stirred and dissolved in water (about 40 ⁇ ), allowed to cool to room temperature, and added to crystal form I.
- Agomelatine is stirred to obtain a protective agent containing crystalline type I agomelatine; then lactose, part (1/2) of croscarmellose sodium is added to the wet mixing granulator Evenly, add the protective agent containing crystal type I agomelatine, granulate 2niin, pass the granulation mechanism granules (833um pore size sieve); fluidized bed drying (inlet air temperature boiling bed temperature 30 ⁇ ), whole grain, 5 ⁇ The yield was calculated;
- Crystallized type I agomelatine is sieved according to the above weight; after taking hydroxypropylmethylcellulose and polyvinylpyrrolidone k30 and stirring and dissolving in water (about 40 ⁇ ), let cool to room temperature, add crystal type I Gomeratin is stirred; a protective agent containing crystalline type I agomelatine is obtained; then lactose, part (1/2) of cross-linked polyvinylpyrrolidone is added to a wet mixing granulator, and then added.
- Crystallized type I agomelatine is sieved according to the above weight; after taking hydroxypropylmethylcellulose and hydroxypropylcellulose to stir and dissolve in water (about 40 ° C), let cool to room temperature, add crystal Type I agomelatine is stirred; a protective agent containing crystalline type I agomelatine is obtained; then lactose, part (1/2) of croscarmellose sodium is added to the wet mixing granulator Mix well, add the protective agent containing crystal type I agomelatine, granulate for 2min, pass the swing granulation mechanism (833um pore size sieve); fluidized bed drying (inlet air temperature 45 ⁇ , boiling bed temperature 30°) 5 ⁇ C), the whole grain, the calculated yield;
- Crystallized type I agomelatine is sieved for use according to the above weight; after hydroxypropylmethylcellulose is stirred and dissolved in water (about 4 (TC), let cool to room temperature, add crystal type I agomela Stir well; obtain crystal-containing type I Description
- Gomeratin's protective agent is used; then lactose, part (1/2) of cross-linked polyvinylpyrrolidone is added to the wet mixing granulator, and then added with the protection of crystalline type I agomelatine.
- Agent granulation for 2min, swaying granulation mechanism (833um pore size sieve); fluidized bed drying (inlet air temperature 45 °C, boiling bed temperature 30 °C), whole grain, calculation of yield; 5 ⁇ Using a diameter of 7. 5mm punch tablet.
- the crystal type I agomelatine is sieved according to the above weight; after the polyvinylpyrrolidone k90 is stirred and dissolved in water (about 40 ° C), it is allowed to cool to room temperature, and the crystal type I Agome is added.
- Crystallized type I agomelatine is sieved for use according to the above weight; after hydroxypropyl cellulose is stirred and dissolved in water (about 4 CTC), it is allowed to cool to room temperature, and crystallized type I agomelatine is added.
- Crystallized type I agomelatine is sieved according to the above weight; hydroxypropylmethylcellulose, hydroxypropylcellulose, polyvinylpyrrolidone K30 is stirred and dissolved in water (about 40 ⁇ ), let cool To room temperature, add crystal form I agomelatine and mix well; to obtain a protective agent containing crystalline type I agomelatine; then add lactose, part (1/2) of croscarmellose sodium to wet Mixing in a mixed granulator, adding a protective agent containing crystalline type I agomelatine, granulating for 2 min, swaying granulation mechanism (833 um pore size); fluidized bed drying (inlet air temperature 45°) 5 ⁇ C, the temperature of the bed is 30 ° C), the whole grain, the calculated yield;
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Abstract
Description
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Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14873987.3A EP3087977A4 (en) | 2013-12-23 | 2014-05-26 | Stable crystal i-form agomelatine tablet and preparation method thereof |
| JP2016546132A JP2016531944A (ja) | 2013-12-23 | 2014-05-26 | 安定な結晶i形アゴメラチン錠剤およびその調製方法 |
| US14/909,900 US20160193162A1 (en) | 2013-12-23 | 2014-05-26 | Stable crystal i-form agomelatine tablet and preparation method thereof |
| CA2912738A CA2912738A1 (en) | 2013-12-23 | 2014-05-26 | Stable crystal i-form agomelatine tablet and preparation method thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310712841.0 | 2013-12-23 | ||
| CN201310712841.0A CN103690499B (zh) | 2013-12-23 | 2013-12-23 | 一种稳定的晶i型阿戈美拉汀片剂及其制备方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2015096187A1 true WO2015096187A1 (zh) | 2015-07-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2014/000527 Ceased WO2015096187A1 (zh) | 2013-12-23 | 2014-05-26 | 一种稳定的晶i型阿戈美拉汀片剂及其制备方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20160193162A1 (zh) |
| EP (1) | EP3087977A4 (zh) |
| JP (1) | JP2016531944A (zh) |
| CN (1) | CN103690499B (zh) |
| CA (1) | CA2912738A1 (zh) |
| WO (1) | WO2015096187A1 (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3466413A1 (en) | 2017-10-09 | 2019-04-10 | KRKA, d.d., Novo mesto | Pharmaceutical composition containing agomelatine and process for the preparation thereof |
| USD993233S1 (en) * | 2021-07-21 | 2023-07-25 | Dongguan Chuang Long Electronics Limited | Mobile phone stand |
| CN119745805B (zh) * | 2025-01-02 | 2025-09-23 | 康芝药业股份有限公司 | 一种高稳定性羧甲司坦颗粒及其制备方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101704763A (zh) | 2009-11-25 | 2010-05-12 | 天津泰普药品科技发展有限公司 | 阿戈美拉汀i型晶体的制备方法 |
| CN103251567A (zh) * | 2013-06-05 | 2013-08-21 | 重庆华森制药有限公司 | 一种阿戈美拉汀片剂及其制备方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2658818B1 (fr) * | 1990-02-27 | 1993-12-31 | Adir Cie | Nouveaux derives a structure naphtalenique, leur procede de preparation et les compositions pharmaceutiques qui les contiennent. |
| FR2890562B1 (fr) * | 2005-09-09 | 2012-10-12 | Servier Lab | Utilisation de l'agomelatine pour l'obtention de medicaments destines au traitement des troubles du sommeil chez le patient deprime |
| CN101585779B (zh) * | 2009-03-10 | 2014-04-02 | 上海医药工业研究院 | 阿戈美拉汀的晶型vi及其制备方法和应用 |
| WO2011128413A1 (en) * | 2010-04-15 | 2011-10-20 | Ratiopharm Gmbh | Process for the production of polymorph form i of agomelatine |
| CN102552188B (zh) * | 2010-12-17 | 2013-12-25 | 北大方正集团有限公司 | 一种阿戈美拉汀片剂及制备方法、其包衣片剂及制备方法 |
| CZ303787B6 (cs) * | 2011-01-21 | 2013-05-02 | Zentiva, K.S. | Metastabilní krystalové formy agomelatinu a jejich farmaceutické kompozice |
| CN102824327A (zh) * | 2011-06-14 | 2012-12-19 | 天津药物研究院 | 含有阿戈美拉汀的肠溶片的药用组合物 |
| CN102218050B (zh) * | 2011-06-24 | 2015-09-23 | 北京美迪康信医药科技有限公司 | 一种治疗抑郁症的药物组合物 |
| WO2013018100A1 (en) * | 2011-08-01 | 2013-02-07 | Symed Labs Limited | A process for the preparation of n-[2-(7-methoxy-1-naphthyl) ethyl] acetamide crystalline form i |
| CZ2012108A3 (en) * | 2012-02-15 | 2013-02-27 | Zentiva Ks | A method for the manufacture of a polymorphously stable pharmaceutical composition containing agomelatine |
| CN102988315B (zh) * | 2012-09-28 | 2017-11-17 | 浙江华海药业股份有限公司 | 阿戈美拉汀固体制剂的制备方法 |
| CN102911075A (zh) * | 2012-09-29 | 2013-02-06 | 福建广生堂药业股份有限公司 | 一种阿戈美拉汀硫酸盐新晶型ⅰ及其制备方法 |
-
2013
- 2013-12-23 CN CN201310712841.0A patent/CN103690499B/zh not_active Expired - Fee Related
-
2014
- 2014-05-26 CA CA2912738A patent/CA2912738A1/en not_active Abandoned
- 2014-05-26 EP EP14873987.3A patent/EP3087977A4/en not_active Withdrawn
- 2014-05-26 US US14/909,900 patent/US20160193162A1/en not_active Abandoned
- 2014-05-26 JP JP2016546132A patent/JP2016531944A/ja active Pending
- 2014-05-26 WO PCT/CN2014/000527 patent/WO2015096187A1/zh not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101704763A (zh) | 2009-11-25 | 2010-05-12 | 天津泰普药品科技发展有限公司 | 阿戈美拉汀i型晶体的制备方法 |
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| EP3087977A1 (en) | 2016-11-02 |
| CA2912738A1 (en) | 2015-07-02 |
| EP3087977A4 (en) | 2017-08-02 |
| CN103690499A (zh) | 2014-04-02 |
| CN103690499B (zh) | 2015-05-06 |
| US20160193162A1 (en) | 2016-07-07 |
| JP2016531944A (ja) | 2016-10-13 |
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