CN101720221A - 用于制备含他达那非的药物的方法 - Google Patents
用于制备含他达那非的药物的方法 Download PDFInfo
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- CN101720221A CN101720221A CN200880021058A CN200880021058A CN101720221A CN 101720221 A CN101720221 A CN 101720221A CN 200880021058 A CN200880021058 A CN 200880021058A CN 200880021058 A CN200880021058 A CN 200880021058A CN 101720221 A CN101720221 A CN 101720221A
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- tadalafil
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- medicine
- solid
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- DOOTYTYQINUNNV-UHFFFAOYSA-N Triethyl citrate Chemical compound CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC DOOTYTYQINUNNV-UHFFFAOYSA-N 0.000 description 3
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- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 3
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- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 3
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- PYGXAGIECVVIOZ-UHFFFAOYSA-N Dibutyl decanedioate Chemical compound CCCCOC(=O)CCCCCCCCC(=O)OCCCC PYGXAGIECVVIOZ-UHFFFAOYSA-N 0.000 description 2
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- PCNDJXKNXGMECE-UHFFFAOYSA-N Phenazine Natural products C1=CC=CC2=NC3=CC=CC=C3N=C21 PCNDJXKNXGMECE-UHFFFAOYSA-N 0.000 description 2
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- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 2
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- RBLGLDWTCZMLRW-UHFFFAOYSA-K dicalcium;phosphate;dihydrate Chemical compound O.O.[Ca+2].[Ca+2].[O-]P([O-])([O-])=O RBLGLDWTCZMLRW-UHFFFAOYSA-K 0.000 description 2
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- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
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- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
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- 239000005995 Aluminium silicate Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 1
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- FYUWIEKAVLOHSE-UHFFFAOYSA-N ethenyl acetate;1-ethenylpyrrolidin-2-one Chemical compound CC(=O)OC=C.C=CN1CCCC1=O FYUWIEKAVLOHSE-UHFFFAOYSA-N 0.000 description 1
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- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/4985—Pyrazines or piperazines ortho- or peri-condensed with heterocyclic ring systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/08—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
- A61K47/10—Alcohols; Phenols; Salts thereof, e.g. glycerol; Polyethylene glycols [PEG]; Poloxamers; PEG/POE alkyl ethers
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- A—HUMAN NECESSITIES
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/32—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. carbomers, poly(meth)acrylates, or polyvinyl pyrrolidone
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- A—HUMAN NECESSITIES
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/141—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers
- A61K9/146—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers with organic macromolecular 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
- A61K9/2022—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
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- A—HUMAN NECESSITIES
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- 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
- A61K9/2031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, polyethylene oxide, poloxamers
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- A—HUMAN NECESSITIES
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Abstract
本发明涉及制备包含他达那非的药物的方法,在所述的方法中,他达那非与适宜的辅剂混合并被加热至约100℃至约200℃、优选约150℃至约200℃、特别是约200℃的温度。
Description
本发明涉及制备包含他达那非的药物的方法,其中他达那非与适宜的赋形剂混合并将其加热至约150℃至约200℃的温度。
他达那非(IUPAC名称:(6R,12aR)-6-(1,3-苯并间二氧杂环戊烯-5-基)-2-甲基-1,2,3,4,6,7,12,12a-八氢吡嗪并[2,1:6,1]吡啶并[3,4-b]吲哚-1,4-二酮)属于PDE-V类(磷酸二酯酶V)抑制剂,用于治疗勃起功能障碍的口服制剂(见例如,WO01/08688)。他达那非可以例如按照Daugan A.等人(2003)J.Med.Chem.,46,4533-4542生产,其中他达那非被定义为(6R,12aR)-2,3,6,7,12,12a-六氢-2-甲基-6-(3,4-亚甲基二氧基苯基)吡嗪并[2′,1′:6,1]吡啶并[3,4-b]吲哚-1,4-二酮。
他达那非微溶于水;按照WO 01/08687其仅在水中溶解约2μg/ml。因为活性物质微溶,口服制剂需要改进溶解度才能有足够高的生物利用度。
EP 1 269 994A2描述了活性物质溶解度获得改善的所谓的浓度改进聚合物。
WO 96/38131描述了固体分散物的制备方法,其包含了微溶的活性物质。活性物质的溶解度是通过共沉淀法改善的。活性物质他达那非的释放试验已显示,包含共沉淀物的片剂比包含纯活性物质的片剂释放活性物质更为缓慢。再者,在共沉淀物中亦有一定比例的他达那非颗粒未嵌入到固体物质中,而是游离的。这些游离颗粒溶解得比嵌入共沉淀物中的颗粒更快。这可能导致他达那非不合需要的双峰释放。另外,共沉淀物不易重现,即大规模生产是复杂的。
改善微溶活性物质溶解度的另一种可能性是通过研磨或微粉化增加活性物质颗粒的表面积,如WO 01/08688或WO 01/08686中所公开的。快速释放的口服制剂可从WO 01/08688获知。需要的溶解度或释放可通过降低他达那非粒度至低于40μm以下实现。但是活性物质的研磨或微粉化可能具有缺点。微粉化的颗粒倾向于形成聚集体,这导致难以确定的粒度,和因此难以确定的溶解度。可能存在于活性物质表面的另外的静电荷亦对可操作性有不良影响。另一个可能的缺点是研磨的活性物质具有较差的流动性。特别是如果压制成片剂或填充成胶囊,还需要另外的操作步骤,例如制粒。尽管颗粒小,通常必须加入许多表面活性剂以获得足够的溶解度。
填充他达那非溶液的明胶制备的软胶囊可从WO 01/08687获知。他达那非的溶剂是PEG(聚乙二醇)400NF LA和聚丙二醇的混合物。或者,胶囊可填充他达那非混悬液。明胶制备的软胶囊亦可从WO 00/66099获知,使用PEG 400NF作为活性物质的溶剂。但是,软明胶胶囊具有填充复杂的缺点。例如,需要特别的机器和严格控制气候的生产车间。相反,硬胶囊可相对容易地用装有半固体物质饲粉系统而不是粉末饲粉系统的标准胶囊填充机填充。除了明胶作为胶囊材料,亦可能使用基于纤维素的材料。
通过本发明解决的问题因此可提供制备含他达那非药物的方法,其中前文所述的缺点和特别是他达那非难于溶解都基本上可以避免或克服。
令人惊讶地发现,在与例如WO 01/08687中所述的制剂相比更高的活性物质浓度或比例下,可以在升高温度下很好地加工他达那非的固体或半固体溶液。
本发明的主题因此是包含他达那非的药物的制备方法,其中他达那非与一种或多种适宜的赋形剂混合并加热至从约100℃至约200℃、优选约150℃至约200℃、特别是约200℃的温度。通常,最低温度在相应赋形剂的软化点以上。
根据本发明的术语“约”意思一般为各物理量±5%,特别是±2%。
术语“赋形剂”一般包含全部普通的药物赋形剂。
在根据本发明的方法的基础上,以上提及的缺点可基本上被克服,因为他达那非是固体或半固体溶液的形式。固体溶液特征在于它们是透明的且是固体的。半固体溶液特征在于它们是透明的且为糊状的,即其不是液体。溶液相应地粘稠或非常粘稠(像蜜)。该术语透明意指通常为白色粉末形式的他达那非溶于适宜的赋形剂中。
固体和半固体溶液,基本上无聚集体,因为活性物质分布在适宜的聚合物中成为分子分散体。这样具有需要较少或无需表面活性剂的优点。固体或半固体溶液亦无静电荷。另外,一般固体溶液,溶出、熔融物和颗粒的形成发生在一个操作步骤中,制备具有非常好的流动性的颗粒、小丸或微粒,然后压制。半固体溶液,溶出和增稠亦可在一个步骤中进行,接着进行胶囊填充。
固体和半固体溶液较共沉淀粉末具有另外的优点,其无需有机溶剂。因此根据本发明的方法是环境友好的。不必进行溶剂回收。亦无产品中溶剂残留的风险以及爆炸的危险。工艺步骤亦显著地更少和更短,降低了活性物质操作期间降解的风险。再者,与共沉淀粉末相比,研磨挤出物具有更好的流动性,确保制片与胶囊填充中计剂量更恒定。
在一个特别的实施方案中,混合物加热至约2小时,例如约1小时至约3小时,特别是约1.5小时至约2.5小时,十分特别地约2小时,以实现赋形剂基本上完全的熔化。该加热可在通常的炉中进行。当使用均质器时,加热时间甚至可以远远短于一小时,且当使用挤压机时,加热时间可约为1分钟至约5分钟。
根据本发明以下已证实特别适于作为赋形剂或溶剂:聚乙二醇(PEG)、共聚维酮、聚乙二醇单硬脂酸酯、甘油聚乙二醇蓖麻油酸酯、聚乙烯吡咯烷酮和/或乙烯吡咯烷酮-乙烯醋酸酯共聚物。PEG特别地选自:PEG 200、PEG 400、PEG 600、PEG 800、PEG 1500、PEG 4000、PEG 6000、PEG8000、PEG 10000和/或PEG 20000,优选地选自PEG 400、PEG 4000、PEG6000和/或PEG 20000,特别地选自PEG 400和/或PEG 4000。聚乙烯吡咯烷酮优选地具有约40000的分子量,且乙烯吡咯烷酮-乙烯醋酸酯共聚物优选具有约60000的分子量。除了以上提及的赋形剂还可加入其他适宜的赋形剂。
加热亦有利于在挤压机中进行,以便获得活性物质与赋形剂或溶剂的均匀挤出物。根据本发明的挤出发生在流出压力从约10巴至约100巴,优选地从约20巴至约100巴,特别地从约20巴至之约50巴。特别地,如果挤压机具有从约20℃(入口温度)至约200℃(出口温度)的温度梯度。例如,以下温度梯度(大约值)是有利的,特别是当优选地使用具有约60000的分子量的乙烯吡咯烷酮-乙烯醋酸酯共聚物作为赋形剂时:
梯度1:20-50-100-150-160-160-200℃优选使用约50巴的流出压力
或特别地
梯度2:20-50-100-150-200-200-200℃优选使用约20巴的流出压力。
根据挤压机、挤压模具、螺丝结构和/或材料的产量,可使用其他参数以获得相同的结果,即在适宜的赋形剂中或适宜的赋形剂混合物中透明的他达那非溶液。
已证实以下赋形剂或溶剂用于根据本发明的挤出法为特别优选的:聚乙烯吡咯烷酮和/或乙烯吡咯烷酮-乙烯醋酸酯共聚物,特别是分子量约40000的聚乙烯吡咯烷酮和/或分子量约60000的乙烯吡咯烷酮-乙烯醋酸酯共聚物。
根据本发明的方法,可令人惊讶地获得甚至比前面已知的更高比例的他达那非固体或半固体溶液。根据本发明,他达那非在固体或半固体溶液或在挤出物中的比例可因此为2重量%至约15重量%,优选约3重量%至约10重量%,特别地约5重量%至约10重量%,且十分特别地约7.5重量%至约10重量%。根据本实施例,在根据本发明的挤出方法中,约7.5重量%的他达那非,甚至10重量%的他达那非可被溶解。
根据本发明,可按照本实施例制备口服他达那非药物制剂。特别地,包含以下物质作为另外的赋形剂的药物制剂是有利的:或特别是CL,或的混合物,特别是PH102和Avicel与特别是CL;与特别是CL;L-HPC和LH11和和令人惊异地,他达那非与VA 64的纯挤出物是特别有利的,因为在该情况下活性物质释放最快。
本发明的另一个主题因此亦是包含他达那非固体或半固体溶液的药物,其可通过根据本发明的方法如上详述地制备。特别地,他达那非的固体溶液是通过挤出法制备的。药物因此包含他达那非的固体或半固体溶液,优选80%的他达那非在体外8-120分钟释放,特别地在20分钟后。药物例如是以片剂或胶囊的形式,有利地无另外的药物赋形剂。胶囊特别为基于例如明胶或HPMC的硬胶囊。
人体口服使用的活性物质的剂量一般在约每天1-20mg的范围。
以下实施例目的为了进一步解释本发明,而不是限制本发明。
实施例
药物赋形剂和缩略语
CMC:羧甲基纤维素
EL(BASF AG):甘油-聚乙二醇蓖麻油酸酯
DEP:邻苯二甲酸二乙酯
DBS:癸二酸二丁酯
(Fuji Chemical Industry Co.,Ltd):磷酸氢钙二水合物
GMS:甘油单硬脂酸酯
HPMC:羟丙基甲基纤维素
L-HPC(Shin-Etsu Chemical Co.,Ltd):低取代羟丙基纤维素
(Penwest Pharmaceuticals Co.):氢化植物油
PEG:相应分子量例如为4000、6000、8000和20000的聚乙二醇
(BASF AG):聚氧乙烯-聚氧丙烯嵌段共聚物
Povidone:聚乙烯吡咯烷酮
(Avebe B.A.):基于羧甲基纤维素钠和淀粉的崩解剂
PVA:聚乙烯醇
PVP:聚乙烯吡咯烷酮
PVP-VA:乙烯吡咯烷酮和乙烯醇的共聚物
SDS:十二烷基硫酸钠
TEC:枸橼酸三乙酯
实施例1
聚合物熔化物中他达那非的溶出试验
0.5g他达那非与4.5g的聚合物混合(匀化)并在烘箱中加热至200℃达2小时。然后使其冷却至室温(1小时)。活性物质的比例为10重量%。
溶出试验的结果,在这些条件下建立,他达那非在PEG4000、PEG6000、PEG8000、PEG20000和VA6中溶出得最好,溶出最佳是用PEG4000(4000P)。接下来是VA64。PEG 6000、PEG8000(8000P)和PEG 20000仍然是适宜的。
实施例2
液体聚合物中他达那非的溶出试验
1.0.5g的他达那非与4.5g的液体赋形剂混合,并用超声处理2小时。他达那非在这些条件下仍然不溶解。甚至加热至80℃达两小时活性物质仍然不能产生任何溶出。
2.在另一个试验中,0.5g的他达那非与4.5g的液体赋形剂混合(活性物质的比例:10重量%)并在烘箱中加热至200℃达两小时。然后使其冷却至室温(1小时)。
实施例3
熔融挤出
对熔融挤出物,将92.5重量%的VA 64和7.5重量%的他达那非混合。然后将它们在Turbula T10B混合机中混合五分钟,然后在QuadroComil U5研磨机中1000rpm并以1000rpm过1000μm筛。然后在TurbulaT10B混合机中再混合30分钟。
根据混合物,挤出在60-200℃的出口温度、流出压力10-100巴下进行。挤压机具有7个独立的可加热桶,其中两个螺旋将物料从入口转移至卸料嘴。桶1是入口,在这里饲入粉末混合物。桶7是出口,即挤压机模具。将桶在用前预热数小时。设定温度梯度用于挤出,已证实以下两个温度梯度是特别适合的:
a:20/50/100/150/160/160/200℃;所得的压力~50巴
b:20/50/100/150/200/200/200;所得的压力~20巴
在所选择的条件下,挤出物以直径1.0至1.5mm条带的形式获得,其冷却至室温然后在两个步骤中进行研磨。平均粒度约为1000μm。然后研究产物的透明度。发现以上温度梯度可得到透明的产物。这就是他达那非在VA 64中的固体溶液。
实施例4
挤出物的稳定性
实施例4的挤出物b贮存在40℃下四周,研究他达那非的稳定性。试验显示挤出物中他达那非的化学纯度与释放、发现贮存的挤出物与挤出后直接的未贮存挤出物之间基本无差异。
实施例5
挤出物片剂的制备
实施例3的挤出物b在Comil中研磨并过筛。然后与赋形剂混合,混合物压成340mg片。研磨的挤出物在1000μm筛上过筛,用于制剂1A-1H。对于制剂2A-2F,研磨的挤出物首先过800μm筛,然后过500μm筛。
表1
片剂1D和1G和2A至2F显示出最好的(机械)稳定性。
实施例6
具有固体他达那非溶液的速释硬胶囊的制备
活性物质(1)和聚合物(2)(例如VA64、30、一些其他PVP聚合物或替代PEG或HPMC的聚合物)的熔化-挤出物,被研磨成任何需要的粒度分布并任选过筛。任选地,颗粒可用另外的赋形剂(3)包衣,例如硬脂酸镁、滑石粉和/或胶态二氧化硅。然后将颗粒填装至胶囊(4)、例如基于明胶或HPMC的硬胶囊中。任选地,溶解度改善剂,例如SDS,可在挤出前或挤出后加入。20mg他达那非的活性物质用量的适宜的硬胶囊具有以下组成:
表2
编号 | 成分 | 功能 | 比例(约) |
1 | 他达那非 | 活性物质 | 5-10% |
2 | 共聚维酮 | 固体溶剂 | 85-95% |
3 | 硬脂酸镁滑石粉胶态SiO2 | 润滑剂,流动改善剂 | 0-5% |
4 | 明胶或HPMC的硬胶囊 | 封装 |
实施例7
固体他达那非溶液的速释片的制备
活性物质(1)和聚合物(2)(例如VA64、30、一些其他PVP聚合物或替代PEG或HPMC的聚合物)的熔化-挤出物,研磨成任何需要的粒度分布并任选过筛。然后颗粒与其他赋形剂(3)混合,例如纤维素、纤维素衍生物、淀粉、淀粉衍生物、PVP、乳糖、糖类或糖醇类、PEG、硫酸钙、磷酸钙、角叉胶、高岭土和/或硅胶,然后加入润滑剂,例如硬脂富马酸钠、硬脂酸镁、硬脂酸、氢化植物油、环氧乙烷;甘油单、二或三硬脂酸酯、滑石粉和/或SDS。然后将混合物压成片剂并用另外的赋形剂和色素(4)-(7)的水或有机分散物包衣。这些另外的赋形剂是例如HPMC、聚甲基丙烯酸酯、PVA、PVP、PEG、CMC和/或PVA、PVP和PEG的共聚物作为包衣剂(4),癸二酸二丁酯、PEG、丙二醇、TEC、DBT和/或DEP作为增塑剂(5)和硬脂酸、硬脂酸镁、硬脂酸、氢化植物油、环氧乙烷;甘油单、二或三硬脂酸酯、滑石粉和/或SDS作为对抗粘连的湿汽保护剂(6)。任选地,溶解度促进剂,例如SDS,可在挤出前或后加入。具有20mg他达那非的活性物质用量的适宜的硬胶囊具有以下组成:
表3
实施例8
他达那非半固体溶液胶囊的制备
活性物质在加热的赋形剂(2)中溶解,例如加热的PEG 600、和/或EL中,并任选进行超声处理,然后与赋形剂(3),例如200或硅胶、羟乙基纤维素或其他纤维素醚类混合,在适于半固体物质的均质机中混合并冷却。半固体物质用适于半固体物质的胶囊充填机装入硬胶囊中。任选地,溶解度促进剂,例如SDS,可在挤出前或后加入。具有20mg他达那非的活性物质用量的适宜的硬胶囊具有以下组成:
表4
编号 | 成分 | 功能 | 比例(约) |
1 | 他达那非 | 活性物质 | 2-10% |
2 | PEG 600 | 液体溶剂 | 50% |
3 | 硅胶 | 增稠剂 | 10-50% |
编号 | 成分 | 功能 | 比例(约) |
4 | 明胶或HPMC硬胶囊 | 封装 |
亦可能使用纤维素或HPC替换硅胶作为增稠剂。
实施例9
活性物质释放试验
他达那非释放试验在1000mL水(pH 7;0.5%SDS)中在37℃和50rpm进行(按照美国药典的方法,仪器II)。
片剂1D和1G的体外释放试验显示活性物质的80%在约50-60分钟(1D)后或约120分钟后(1G)释放。但是,实施例3的挤出物b的纯颗粒显示比前面所述的片剂体外释放更快,因为活性物质他达那非的80%在约8-10分钟后已释放。
通过改变赋形剂以影响挤出物组合物的释放,以使他达那非的80%在约20分钟后释放是可能的。
Claims (11)
1.包含他达那非的药物的制备方法,其特征在于他达那非与一种或多种适宜的赋形剂混合并加热至从约100℃至约200℃、优选从约150℃至约200℃、特别是约200℃的温度。
2.如权利要求1所述的方法,其特征在于所述的赋形剂选自聚乙二醇(PEG)、共聚维酮、聚乙二醇单硬脂酸酯、甘油聚乙二醇蓖麻油酸酯、聚乙烯吡咯烷酮和/或乙烯吡咯烷酮-乙烯醋酸酯共聚物。
3.如权利要求2所述的方法,其特征在于所述的PEG选自PEG 200、PEG 400、PEG 600、PEG 800、PEG 1500、PEG 4000、PEG 6000、PEG8000、PEG 1000和/或PEG 20000,特别地选自PEG 400、PEG 4000、PEG6000和/或PEG 20000,非常特别地选自PEG 400和/或PEG 4000。
4.如权利要求2所述的方法,其特征在于所述的聚乙烯吡咯烷酮具有约40000的分子量,且乙烯吡咯烷酮-乙烯醋酸酯共聚物具有约60000的分子量。
5.如权利要求1-4的至少一项所述的方法,其特征在于加热发生在挤出机或匀化机中。
6.如权利要求5所述的方法,其特征在于所述的聚乙烯吡咯烷酮和/或乙烯吡咯烷酮-乙烯醋酸酯共聚物,特别是分子量约40000的聚乙烯吡咯烷酮和/或分子量约60000的乙烯吡咯烷酮-乙烯醋酸酯共聚物在挤出过程中用作赋形剂。
7.如权利要求1-6的至少一项所述的方法,其特征在于他达那非在药物中的比例可为约2重量%至约15重量%,优选约3重量%至约10重量%,特别地约5重量%至约10重量%,且十分特别地约7.5重量%至约10重量%。
8.包含他达那非固体或半固体溶液的药物,其特征在于可通过根据权利要求1-8的至少一项进行制备。
9.如权利要求8所述的药物,其特征在于所述的药物为片剂或胶囊的形式,优选硬胶囊。
10.包含他达那非的固体或半固体溶液的药物,其特征在于80%的他达那非在体外在8-120分钟后释放,优选在20分钟后。
11.如权利要求10所述的药物,其特征在于它能够通过根据权利要求1-8的至少一项的方法进行制备。
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DE102007028869A DE102007028869A1 (de) | 2007-06-22 | 2007-06-22 | Verfahren zur Herstellung eines Arzneimittels enthaltend Tadalafil |
PCT/EP2008/005066 WO2009000493A1 (de) | 2007-06-22 | 2008-06-23 | Verfahren zur herstellung eines arzneimittels enthaltend tadalafil |
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US (2) | US9238007B2 (zh) |
EP (1) | EP2170281A1 (zh) |
JP (1) | JP5443344B2 (zh) |
KR (1) | KR101525021B1 (zh) |
CN (1) | CN101720221A (zh) |
AU (1) | AU2008267431C1 (zh) |
BR (1) | BRPI0812807A2 (zh) |
CA (1) | CA2691667C (zh) |
DE (1) | DE102007028869A1 (zh) |
EA (1) | EA022100B1 (zh) |
IL (1) | IL202783A (zh) |
UA (1) | UA95374C2 (zh) |
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CN112206213A (zh) * | 2020-10-26 | 2021-01-12 | 广州汇元医药科技有限公司 | 一种枸橼酸西地那非组合物及其制备方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107106508A (zh) * | 2014-09-02 | 2017-08-29 | 首尔制药株式会社 | 他达拉非口腔分散膜及其制备方法 |
CN107106508B (zh) * | 2014-09-02 | 2020-11-13 | 首尔制药株式会社 | 他达拉非口腔分散膜及其制备方法 |
CN112206213A (zh) * | 2020-10-26 | 2021-01-12 | 广州汇元医药科技有限公司 | 一种枸橼酸西地那非组合物及其制备方法 |
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US20100179159A1 (en) | 2010-07-15 |
ZA200908965B (en) | 2012-06-27 |
IL202783A0 (en) | 2010-06-30 |
CA2691667C (en) | 2014-10-28 |
CA2691667A1 (en) | 2008-12-31 |
IL202783A (en) | 2017-01-31 |
EP2170281A1 (de) | 2010-04-07 |
KR20100052453A (ko) | 2010-05-19 |
US20160101103A1 (en) | 2016-04-14 |
AU2008267431C1 (en) | 2013-09-26 |
JP5443344B2 (ja) | 2014-03-19 |
US9238007B2 (en) | 2016-01-19 |
WO2009000493A1 (de) | 2008-12-31 |
EA201070046A1 (ru) | 2010-06-30 |
BRPI0812807A2 (pt) | 2014-12-02 |
DE102007028869A1 (de) | 2008-12-24 |
JP2010530858A (ja) | 2010-09-16 |
AU2008267431B2 (en) | 2013-05-23 |
KR101525021B1 (ko) | 2015-06-04 |
AU2008267431A1 (en) | 2008-12-31 |
EA022100B1 (ru) | 2015-11-30 |
UA95374C2 (ru) | 2011-07-25 |
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