JP2021024843A - イグラチモド含有固形製剤 - Google Patents
イグラチモド含有固形製剤 Download PDFInfo
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- JP2021024843A JP2021024843A JP2019146797A JP2019146797A JP2021024843A JP 2021024843 A JP2021024843 A JP 2021024843A JP 2019146797 A JP2019146797 A JP 2019146797A JP 2019146797 A JP2019146797 A JP 2019146797A JP 2021024843 A JP2021024843 A JP 2021024843A
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- solid preparation
- iguratimod
- polyvinyl alcohol
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Landscapes
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Abstract
Description
<1> イグラチモド、並びに、ポリビニルアルコール及びポリビニルアルコール・アクリル酸・メタクリル酸メチル共重合体からなる群より選択される少なくとも1種以上の結合剤を含有することを特徴とする、固形製剤。
<2> さらに、賦形剤を含有する、<2>に記載の固形製剤。
<3> さらに、崩壊剤を含有する、<1>又は<2>に記載の固形製剤。
<4> 前記賦形剤が結晶セルロースである、<2>又は<3>に記載の固形製剤。
<5> 前記崩壊剤がカルメロースカルシウムである、<3>又は<4>に記載の固形製剤。
<6> 前記結合剤の含有率が固形製剤の全重量に対して0.1重量%〜10重量%である、<1>〜<5>のいずれかに記載の固形製剤。
<7> 前記結合剤の含有率が固形製剤の全重量に対して0.5重量%〜5重量%である、<1>〜<5>のいずれかに記載の固形製剤。
<8> 錠剤である、<1>〜<7>のいずれかに記載の固形製剤。
まず、イグラチモド、並びに、ポリビニルアルコール及びポリビニルアルコール・アクリル酸・メタクリル酸メチル共重合体からなる群より選択される少なくとも1種以上の結合剤を用いて造粒物を製造し、顆粒を得る。造粒方法は流動層造粒法、攪拌造粒法等の医薬の製剤分薬において、それ自体公知の造粒方法が挙げられる。また、得られた顆粒を崩壊剤及び滑沢剤等と混合した後に、打錠機によって圧縮成形し錠剤としても良い。さらに、得られた錠剤に通気型パン式コーティング装置等によってフィルムコーティングを施しても良い。イグラチモドと添加物を粉末のまま又は顆粒としてカプセルへ封入することでカプセル剤とすることもできる。
イグラチモド25.0重量部、結晶セルロース(旭化成製、PH−101)86.0重量部及びカルメロースカルシウム(五徳薬品製、ECG−505)9.0重量部をそれぞれ秤取した後にめのう乳鉢を用いて混合し、混合末を得た。
別途、ポリビニルアルコール(三菱ケミカル製、ゴーセノールEG−05PW)1.9重量部を精製水51重量部に添加し溶解し、結合液を得た。
先の混合末に上記結合液を添加し、めのう乳鉢を用いて湿式造粒した。さらに精製水25重量部を添加し、めのう乳鉢を用いて湿式造粒し、造粒末を得た。得られた造粒末を乾燥し、24号篩に通して整粒することで、整粒末を得た。
得られた整粒末に、結晶セルロース(旭化成製、UF−702)56.3重量部及びカルメロースカルシウム5.0重量部を添加して混合し、さらにステアリン酸マグネシウム(太平化学産業製)1.8重量部を添加して混合することで打錠末を得た。
得られた打錠末を径7.5mm錠剤、質量185mgとなるように単発打錠機(簡易錠剤成形機HNDTAB―200型、市橋精機社製)にて打錠し、イグラチモド含有錠剤を得た。
下記表1の処方にて、結合剤として実施例1においてポリビニルアルコールの代わりにポリビニルアルコール・アクリル酸・メタクリル酸メチル共重合体(大同化成工業製、POVACOAT)を使用する以外は、上記実施例1と同様の製法により、イグラチモド含有錠剤を得た。
下記表1の処方にて、結合剤として実施例1においてポリビニルアルコールの代わりにヒドロキシプロピルセルロース(日本曹達製、HPC−L)を使用する以外は、上記実施例1と同様の製法により、イグラチモド含有錠剤を得た。
下記表1の処方にて、結合剤として実施例1においてポリビニルアルコールの代わりにヒプロメロース(信越化学工業製、TC−5R)を使用する以外は、上記実施例1と同様の製法により、イグラチモド含有錠剤を得た。
下記表1の処方にて、結合剤として実施例1においてポリビニルアルコールの代わりにメチルセルロース(信越化学工業製、メトローズSM−4)を使用する以外は、上記実施例1と同様の製法により、イグラチモド含有錠剤を得た。
溶出試験
実施例1、2及び比較例1〜3で製造した錠剤について、以下の通りイグラチモドの溶出率を測定した。
試験液には第十七改正日本薬局方に記載の溶出試験第2液900mLを用い、パドル法にて毎分50回転の条件で試験を行った。溶出試験開始から5、10、15、30、60、120、360分後に溶出液をそれぞれ20mL採取し、直ちに試験液20mLを補う。採取した溶出液を孔径0.45μmのフィルターでろ過し、試料とした。得られた試料中に含まれるイグラチモドを液体クロマトグラフィーにより下記の条件で測定し、これらの溶出率を求めた。その結果を図1に示す。
検出器:紫外吸光光度計(測定波長:257nm)
カラム:内径4.6mm、長さ15cmのステンレス管に5μmの液体クロマトグラフィー用オクタデシルシリル化シリカゲルを充填する。
カラム温度:40℃付近の一定温度
移動相:0.04mol/Lリン酸二水素アンモニウム溶液:アセトニトリル混液=3:2
特に、特許文献1の処方(組成)を模した比較例1の錠剤が、比較例2及び3に比べて優れた溶出率を示すことが再現された系において、本発明の錠剤は、さらに溶出率が改善されたものであることが示された。
Claims (8)
- イグラチモド、並びに、ポリビニルアルコール及びポリビニルアルコール・アクリル酸・メタクリル酸メチル共重合体からなる群より選択される少なくとも1種以上の結合剤を含有することを特徴とする、固形製剤。
- さらに、賦形剤を含有する、請求項1に記載の固形製剤。
- さらに、崩壊剤を含有する、請求項1又は2に記載の固形製剤。
- 前記賦形剤が結晶セルロースである、請求項2又は3に記載の固形製剤。
- 前記崩壊剤がカルメロースカルシウムである、請求項3又は4に記載の固形製剤。
- 前記結合剤の含有率が固形製剤の全重量に対して0.1重量%〜10重量%である、請求項1〜5のいずれか1項に記載の固形製剤。
- 前記結合剤の含有率が固形製剤の全重量に対して0.5重量%〜5重量%である、請求項1〜5のいずれか1項に記載の固形製剤。
- 錠剤である、請求項1〜7のいずれか1項に記載の固形製剤。
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Citations (4)
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JP2001240540A (ja) * | 1999-12-22 | 2001-09-04 | Toyama Chem Co Ltd | 固形製剤の製造法 |
JP2010053047A (ja) * | 2008-08-26 | 2010-03-11 | Dainippon Sumitomo Pharma Co Ltd | 溶出が良好なイルベサルタン含有医薬組成物および口腔内崩壊錠 |
JP2013023463A (ja) * | 2011-07-20 | 2013-02-04 | Ohara Yakuhin Kogyo Kk | 生理活性物質含有粒子の製造方法 |
JP2017081850A (ja) * | 2015-10-28 | 2017-05-18 | ライオン株式会社 | 造粒物及びこれを含む経口製剤並びに造粒物及び経口製剤の製造方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2001240540A (ja) * | 1999-12-22 | 2001-09-04 | Toyama Chem Co Ltd | 固形製剤の製造法 |
JP2010053047A (ja) * | 2008-08-26 | 2010-03-11 | Dainippon Sumitomo Pharma Co Ltd | 溶出が良好なイルベサルタン含有医薬組成物および口腔内崩壊錠 |
JP2013023463A (ja) * | 2011-07-20 | 2013-02-04 | Ohara Yakuhin Kogyo Kk | 生理活性物質含有粒子の製造方法 |
JP2017081850A (ja) * | 2015-10-28 | 2017-05-18 | ライオン株式会社 | 造粒物及びこれを含む経口製剤並びに造粒物及び経口製剤の製造方法 |
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