JP6838446B2 - トルバプタン製剤およびその製造方法 - Google Patents
トルバプタン製剤およびその製造方法 Download PDFInfo
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- JP6838446B2 JP6838446B2 JP2017055541A JP2017055541A JP6838446B2 JP 6838446 B2 JP6838446 B2 JP 6838446B2 JP 2017055541 A JP2017055541 A JP 2017055541A JP 2017055541 A JP2017055541 A JP 2017055541A JP 6838446 B2 JP6838446 B2 JP 6838446B2
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- Prior art keywords
- tolvaptan
- stabilizer
- ethanol
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- present
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- 239000013557 residual solvent Substances 0.000 description 1
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- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 235000011008 sodium phosphates Nutrition 0.000 description 1
- 229920003109 sodium starch glycolate Polymers 0.000 description 1
- 229940079832 sodium starch glycolate Drugs 0.000 description 1
- 239000008109 sodium starch glycolate Substances 0.000 description 1
- 239000007962 solid dispersion Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 229960002920 sorbitol Drugs 0.000 description 1
- 235000010356 sorbitol Nutrition 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 150000005846 sugar alcohols Chemical class 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical class [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical class [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- UJMBCXLDXJUMFB-UHFFFAOYSA-K trisodium;5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4h-pyrazole-3-carboxylate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)C1=NN(C=2C=CC(=CC=2)S([O-])(=O)=O)C(=O)C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 UJMBCXLDXJUMFB-UHFFFAOYSA-K 0.000 description 1
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- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 description 1
- 229960002675 xylitol Drugs 0.000 description 1
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 description 1
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- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Description
なお、核部および被覆層には、本発明の効果を損なわない範囲で、必要に応じて、後述する各種添加剤を含有させることもできる。
エタノール水溶液を用いる場合、エタノール水溶液中に占める水の割合は、50重量%以下であることが好ましく、より好ましくは30重量%以下、更に好ましくは20重量%以下がよい。水の割合が多くなりすぎると、溶媒を除去しにくくなり、乾燥の際に高温を要する等のおそれが生じる。なお、本発明の製造方法においては、エタノールおよび水の他に、残留が許容されうる溶媒を本発明の効果を損なわない範囲内で併用することもできる。
賦形剤として、乳糖水和物118.8g、トウモロコシデンプン10g及び結晶セルロース20.0gを流動層造粒機に投入した。次いで、水30g及びエタノール30gからなるエタノール水溶液に食用青色2号0.04gを溶解した溶液を、流動層造粒機内に噴霧することにより賦形剤を青色に着色させた。次いで、結晶性トルバプタン15g及び2%水溶液における20℃での粘度が3〜6mPa・sであるヒドロキシプロピルセルロース9gをエタノール726gに溶解した溶液を流動層造粒機内に噴霧し、噴霧と同時に溶媒(エタノール水溶液)を留去させて、造粒物を得た。
実施例1における「2%水溶液における20℃での粘度が3〜6cPであるヒドロキシプロピルセルロース」の代わりに、2%水溶液における20℃での粘度が2〜2.9mPa・sであるヒドロキシプロピルセルロースを用い、実施例1と同様に処理し、非晶質のトルバプタンを有効成分とするトルバプタン製剤として錠剤を得た。
実施例1における「2%水溶液における20℃での粘度が3〜6mPa・sであるヒドロキシプロピルセルロース」の代わりに、2%水溶液における20℃での粘度が約2mPa・s以下であるコポリビドンを用い、実施例1と同様に処理し、非晶質のトルバプタンを有効成分とするトルバプタン製剤として錠剤を得た。
賦形剤として、乳糖水和物112.8g、トウモロコシデンプン10g及び結晶セルロース20.0gを流動層造粒機に投入した。次いで、水30g及びエタノール30gからなるエタノール水溶液に食用青色2号0.04gを溶解した溶液を、流動層造粒機内に噴霧することにより賦形剤を青色に着色させた。次いで、結晶性トルバプタン15g及びポビドン(K30)15gをエタノール726gに溶解した溶液を噴霧し、噴霧と同時に溶媒(エタノール水溶液)を留去させて、造粒物を得た。
乳糖水和物112.8g、トウモロコシデンプン10g及び結晶セルロース20.0g、結晶性トルバプタン15g、コポリビドン15g、低置換度ヒドロキシプロピルセルロース5.4g及びステアリン酸マグネシウム1.8gを混合した後、重量180mgとなるよう打錠し、トルバプタンの結晶を含む錠剤を得た。
従来のトルバプタンを含有する錠剤として、市販品である「サムスカ(登録商標)錠15mg」(製造販売:大塚製薬株式会社)を参考例1のトルバプタン錠剤として用いた。
賦形剤として、乳糖水和物123.8g、トウモロコシデンプン10g及び結晶セルロース20.0gを流動層造粒機に投入した。次いで、水30g及びエタノール30gからなるエタノール水溶液に食用青色2号0.04gを溶解した溶液を、流動層造粒機内に噴霧に噴霧することにより賦形剤を青色に着色させた。次いで、2%水溶液における20℃での粘度が3〜6mPa・sであるヒドロキシプロピルセルロース9gをエタノール726gに溶解した溶液を流動層造粒機内に噴霧して造粒物を得た。
結晶性トルバプタン、実施例1〜4および参考例1〜2についてX線回折法(SmartLab(リガク)、光源:CuKα、電圧:40kV、電流40mA、スキャンスピード:10°/分)により、結晶形について評価した。その結果を図1に示す。
実施例1〜4と比較例1及び参考例1で得られた錠剤について、日本薬局方溶出試験法第2法(パドル法)に準じ、パドル回転数50rpmにて、水に対するトルバプタンの溶出率(%)を測定した。試験液としては、pH6.8(日本薬局方溶出試験第2液)を用いて行った。結果を図2に示す。
Claims (5)
- 賦形剤によって構成される核部と、
非晶質のトルバプタンと安定化剤とを含み前記核部を被覆する被覆層とを有する造粒物を含有し、
前記安定化剤は、2%水溶液における20℃での粘度が3mPa・s未満であるヒドロキシプロピルセルロース、または、2%水溶液における20℃での粘度が3mPa・s未満であるビニルピロリドン・酢酸ビニル共重合物である、トルバプタン製剤。 - ジクロロメタンを含まない、請求項1に記載のトルバプタン製剤。
- エタノールまたはエタノール水溶液にトルバプタンと安定化剤とを含有させたトルバプタン含有液を得る工程と、
賦形剤によって構成される核部に前記トルバプタン含有液を噴霧し、エタノールまたはエタノール水溶液を留去させることにより造粒物を得る工程とを含み、
前記安定化剤は、2%水溶液における20℃での粘度が3mPa・s未満であるヒドロキシプロピルセルロース、または、2%水溶液における20℃での粘度が3mPa・s未満であるビニルピロリドン・酢酸ビニル共重合物である、トルバプタン製剤の製造方法。 - 前記造粒物を得る工程は、流動層造粒機にて行われる、請求項3に記載のトルバプタン製剤の製造方法。
- ジクロロメタンを使用しない、請求項3または請求項4に記載のトルバプタン製剤の製造方法。
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