JP2022012138A - リナグリプチンと光安定化成分を含有する医薬製剤 - Google Patents
リナグリプチンと光安定化成分を含有する医薬製剤 Download PDFInfo
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- JP2022012138A JP2022012138A JP2020113740A JP2020113740A JP2022012138A JP 2022012138 A JP2022012138 A JP 2022012138A JP 2020113740 A JP2020113740 A JP 2020113740A JP 2020113740 A JP2020113740 A JP 2020113740A JP 2022012138 A JP2022012138 A JP 2022012138A
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- Prior art keywords
- linagliptin
- photostabilizing
- pharmaceutically acceptable
- acceptable salt
- light
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- LTXREWYXXSTFRX-QGZVFWFLSA-N Linagliptin Chemical compound N=1C=2N(C)C(=O)N(CC=3N=C4C=CC=CC4=C(C)N=3)C(=O)C=2N(CC#CC)C=1N1CCC[C@@H](N)C1 LTXREWYXXSTFRX-QGZVFWFLSA-N 0.000 title claims abstract description 36
- 229960002397 linagliptin Drugs 0.000 title claims abstract description 34
- 239000008194 pharmaceutical composition Substances 0.000 title abstract description 10
- 239000004615 ingredient Substances 0.000 title abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 18
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- 150000003839 salts Chemical class 0.000 claims abstract description 17
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- 229940079832 sodium starch glycolate Drugs 0.000 claims abstract description 11
- 239000008109 sodium starch glycolate Substances 0.000 claims abstract description 11
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims abstract description 10
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- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
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Landscapes
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Abstract
Description
造粒法としては、乾式造粒法や流動層造粒法又は撹拌造粒法などの湿式造粒法を用いて製造することができる。圧縮成形の方法は特に限定されず、慣用の方法、例えば打錠機を用いて行うことができる。打錠機は、医薬品の製造に使用可能なものであれば限定されず、ロータリー式打錠機や単発打錠機などが使用できる。本発明の光安定化成分を配合することで、リナグリプチン又はその医学的に許容される塩の光安定性を向上させることができる。
製造例1、2及び3で製した製剤につき、光照射試験(D65ランプ,総照射量120万lux・hr)を実施し、開始時及び光照射後のリナグリプチンの類縁物質量を、HPLCを用いて測定した(n=2)。類縁物質量はリナグリプチン及びその類縁物質由来の総ピーク面積に対する面積百分率%として算出し、算出した各類縁物質の総量を総類縁物質量%として評価した。
上記で選ばれた9種類の光安定化成分とリナグリプチンを混合した場合の加温又は加湿保存時の安定性について、リナグリプチン単独の場合も含めて検討した。表4に示す被験試料1から9を調製し、それぞれリナグリプチンとして5mg相当量を遮光ガラス瓶に入れ、40℃75%RH開放条件下及び、60℃気密条件下で1箇月保存した。なお、被検試料4、5、6、7及び8は原薬1質量部に対し添加剤1質量部で添加、その他は同1質量部に対し同5質量部で添加し、混合したものを被検試料とした。配合開始時及び1箇月保存後のリナグリプチンの類縁物質量を、HPLCを用いて測定した。類縁物質量はリナグリプチン及びその類縁物質由来の総ピーク面積に対する面積百分率%として算出し、算出した各類縁物質の総量を総類縁物質量%として評価した。
前述の製造例1、2及び3で製した製剤につき、高湿度条件である25℃90%RH開放における保存時の崩壊時間の推移を評価した(n=3)。開始時及び1週間保存後の製剤につき、崩壊時間(秒)を評価し、それらの差を崩壊遅延時間(秒)とした。
Claims (4)
- リナグリプチン又はその医薬的に許容される塩を含む錠剤に、結晶セルロース、ポリビニルアルコール、デンプングリコール酸ナトリウム、フマル酸ステアリルナトリウム、軽質無水ケイ酸、メタケイ酸アルミン酸マグネシウム、含水二酸化ケイ素、合成ケイ酸アルミニウム、又は第三リン酸カルシウムから選択される1以上の光安定化成分を添加した、120万Lux・hrの光照射後における総類縁物質の増加量が1.2%以下である素錠。
- 光安定化成分がいずれか一つである請求項1に記載の素錠。
- 光安定化成分の添加量がリナプリブチン又はその医薬的に許容される塩1質量部に対し、0.18~26.2質量部である請求項1又は2に記載の素錠。
- さらにフィルムコーティングを施した請求項1から3のいずれかに記載の素錠。
Priority Applications (1)
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