JP2023508293A - Otfの可溶性背面層 - Google Patents
Otfの可溶性背面層 Download PDFInfo
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- JP2023508293A JP2023508293A JP2022537418A JP2022537418A JP2023508293A JP 2023508293 A JP2023508293 A JP 2023508293A JP 2022537418 A JP2022537418 A JP 2022537418A JP 2022537418 A JP2022537418 A JP 2022537418A JP 2023508293 A JP2023508293 A JP 2023508293A
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- carboxyl groups
- free carboxyl
- polymer
- thin film
- backing layer
- Prior art date
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Abstract
Description
a)少なくとも1つの活性剤含有マトリックス層を提供する工程であって、
a1)少なくとも1種のポリマーおよび少なくとも1種の医薬活性剤を含む溶液または懸濁液を製造する工程、ならびに
a2)工程a1)に従って得られる溶液または懸濁液を広げ乾燥させる工程
を含む工程と、
b)少なくとも1つの裏張り層を提供する工程であって、
b1)遊離カルボキシル基を含む少なくとも1種のポリマーを含む溶液または懸濁液を製造する工程であり、遊離カルボキシル基を含む少なくとも1種のポリマーの遊離カルボキシル基の10~100%が中和された形態で塩として存在する、工程;ならびに
b2)工程b1)に従って得られる溶液を広げ乾燥させる工程;
を含む工程と;
c)多層口腔用薄膜を得るために、a)に従って得られる活性剤含有マトリックス層およびb)に従って得られる裏張り層を共に接合する工程と
を含む。
裏張り層を以下の通りに製造した:
溶媒を合わせ、可塑剤および香味料を加えた。次いで甘味料を順々に溶解させ、ポリマーを振り入れ溶解させた。ここで泡がなくなるまで塊状物を静置した。
塊状物をシリコン処理したライナーに適用し、得られる膜を乾燥させた。
ここで得られるコーティングをさらに加工することができる。例えば、さらなる膜、例えばマトリックス層などを、コーティング、接着、または熱によりこの裏張り層に適用することができる。
最初の調査において、3種の配合物の変形体を試験した。配合物1は裏張り層のないベースとした。次いで裏張り(不溶性、2)を有する配合物、および本発明による溶解性の裏張り層(3)を有する配合物を、同じ塊状物から得た。
さらなる試験において、異なるpH値間の差を示した。この目的のために、先述の試験と同様の組成を有する活性剤の膜に、様々な中和の度合い(pH値)を有する裏張り層を設けた。組成(wt.%)を表5にまとめる。
表6および7に示す組成物の医薬活性剤としてアゴメラチンを使用した口腔用薄膜も調製した。
実施例3cにおいて、ガラスビーカーにエチルセルロースを装入した。エタノールを加え次いで混合物を撹拌した。撹拌しながらヒマシ油を加えてわずかに不透明な混合物を得た。
実施例3a~3hに従って調製されたOTFの浸透量および対応する粘膜浸透速度を、OECDガイドライン(2004年4月13日に採用)に従いブタ粘膜(食道粘膜)を使用したインビトロ実験により測定した。デルマトームを使用して無傷のバリア機能を有する400μm以下の厚さの粘膜を作成した。OTFを0.522cm2の面積を有する粘膜に適用し、上面にOTFを有する粘膜を人工唾液に浸した(下面は受容媒体に接触しており、上面は1.145cm2の粘膜の面積に分割されている)。37±1℃の温度における受容媒体(リン酸塩緩衝溶液pH7.4)中のアゴメラチン浸透量を測定し、対応する粘膜浸透過速度を計算した。結果を表8および9ならびに図3aおよび3bに示す。n-法を使用してこの実施例における標準偏差(SD)を計算した。
6時間後の累積浸透量に基づき、および初期のアゴメラチン含量に基づき、6時間後のアゴメラチンの使用を計算した。結果を表10に示す。
Claims (15)
- 少なくとも1種のポリマーおよび少なくとも1種の医薬活性剤を含有するマトリックス層、ならびに少なくとも1つの裏張り層を含む、多層口腔用薄膜であって、少なくとも1つの裏張り層は遊離カルボキシル基を含有する少なくとも1種のポリマーを含み、遊離カルボキシル基を含む少なくとも1種のポリマーの遊離カルボキシル基の10~100%は中和された形態で塩として存在する、前記多層口腔用薄膜。
- 少なくとも1つの裏張り層のpHは3.5~7である、請求項1に記載の多層口腔用薄膜。
- 遊離カルボキシル基を含む少なくとも1種のポリマーは裏張り層の総重量に対して10~99wt.%の量で裏張り層に提供される、請求項1または2に記載の多層口腔用薄膜。
- 遊離カルボキシル基を含むポリマー中の遊離カルボキシル基の含量は、平均ポリマー質量に対して10~40wt.%である、請求項1~3のいずれか1項に記載の多層口腔用薄膜。
- 遊離カルボキシル基を含む少なくとも1種のポリマーは、(メタ)アクリル酸をベースとする、および/または(メタ)アクリル酸と(メタ)アクリレートとのコポリマーをベースとするポリマーを含む、請求項1~4のいずれか1項に記載の多層口腔用薄膜。
- 遊離カルボキシル基を含む少なくとも1種のポリマーは、(メタ)アクリル酸/エチルアクリレートコポリマーを含む、請求項1~5のいずれか1項に記載の多層口腔用薄膜。
- 遊離カルボキシル基を含む少なくとも1種のポリマーの遊離カルボキシル基は、少なくとも1種の塩基、好ましくはNaOHの添加により中和されている、請求項1~6のいずれか1項に記載の多層口腔用薄膜。
- 裏張り層は、少なくとも1種の可塑剤、好ましくはトリエチルシトレートを含む、請求項1~7のいずれか1項に記載の多層口腔用薄膜。
- マトリックス層は、少なくとも1種の水溶性ポリマーを含む、請求項1~8のいずれか1項に記載の多層口腔用薄膜。
- 少なくとも1種の水溶性ポリマーは、デンプンおよびデンプン誘導体、デキストラン、カルボキシメチルセルロース、ヒドロキシプロピルセルロース、ヒドロキシエチルセルロース、ヒドロキシプロピルメチルセルロース、ヒドロキシプロピルエチルセルロース、ナトリウムカルボキシメチルセルロース、エチルまたはプロピルセルロースのようなセルロース誘導体、ポリアクリル酸、ポリアクリレート、ポリビニルピロリドン、ビニルピロリドン/酢酸ビニルコポリマー、ポリビニルアルコール、ポリエチレンオキシドポリマー、ポリアクリルアミド、ポリエチレングリコール、ゼラチン、コラーゲン、アルギネート、ペクチン、プルラン、トラガカント、キトサン、アルギン酸、アラビノガラクタン、ガラクトマンナン、寒天、アガロース、カラギーナン、ならびに天然ゴムからなる群から選択される、請求項9に記載の多層口腔用薄膜。
- 少なくとも1種の医薬活性剤は、鎮痛薬、ホルモン、睡眠薬、鎮静薬、抗てんかん薬、滋養強壮薬、精神神経症薬、神経筋遮断薬、鎮痙薬、抗ヒスタミン薬、抗アレルギー薬、強心薬、抗不整脈薬、利尿剤、降圧薬、昇圧薬、抗うつ薬、鎮咳薬、去痰薬、甲状腺ホルモン、性ホルモン、抗糖尿病薬、抗腫瘍性活性剤、抗生物質、化学療法薬、および麻酔薬の活性剤のクラスからなる群から選択され、少なくとも1種の医薬活性剤は好ましくはケタミン、特に好ましくは(S)ケタミンである、請求項1~10のいずれか1項に記載の多層口腔用薄膜。
- マトリックス層はいずれの場合にも、着色剤、香味料、甘味料、可塑剤、味覚遮蔽剤、乳化剤、増強剤、pH調整剤、保湿剤、保存剤、および/または抗酸化剤を含む群から選択される少なくとも1種の補助物質も含み、裏張り層は、着色剤、香味料、甘味料、味覚遮蔽剤、乳化剤、増強剤、pH調整剤、保湿剤、保存剤、および/または抗酸化剤を含む群から選択される少なくとも1種の補助物質も含む、請求項1~11のいずれか1項に記載の多層口腔用薄膜。
- 請求項1~12のいずれか1項に記載の多層口腔用薄膜を製造する方法であって、以下の工程:
a)少なくとも1つの活性剤含有マトリックス層を提供する工程であって、
a1)少なくとも1種のポリマーおよび少なくとも1種の医薬活性剤を含む溶液または懸濁液を製造する工程、ならびに
a2)工程a1)に従って得られる溶液または懸濁液を広げ乾燥させる工程
を含む工程と;
b)少なくとも1つの裏張り層を提供する工程であって、
b1)遊離カルボキシル基を含む少なくとも1種のポリマーを含む溶液または懸濁液を製造する工程であり、遊離カルボキシル基を含む少なくとも1種のポリマーの遊離カルボキシル基の10~100%が中和された形態で塩として存在する、工程;ならびに
b2)工程b1)に従って得られる溶液を広げ乾燥させる工程;
を含む工程と;
c)多層口腔用薄膜を得るために、a)に従って得られる活性剤含有マトリックス層およびb)に従って得られる裏張り層を共に接合する工程と
を含む、前記方法。 - 請求項13に記載の方法により得ることができる、多層口腔用薄膜。
- 請求項1~12および14のいずれか1項に記載の多層口腔用薄膜の、医薬品としての使用。
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PCT/EP2020/087195 WO2021123289A1 (de) | 2019-12-20 | 2020-12-18 | Lösliche rückschicht für otf |
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DE102005007059A1 (de) * | 2005-02-15 | 2006-08-24 | Röhm GmbH & Co. KG | Teilneutralisiertes anionisches (Meth)acrylat-Copolymer |
WO2007096906A2 (en) * | 2006-02-27 | 2007-08-30 | Panacea Biotec Ltd. | Novel buccoadhesive compositions and process of preparation thereof |
EP2889030A1 (en) * | 2013-12-30 | 2015-07-01 | Uluru Inc. | Controlling the erosion rates of mucoadhesive devices that deliver actives and other compounds and providing increased and variable therapeutic blood levels |
US11207316B2 (en) * | 2014-05-30 | 2021-12-28 | West Virginia University | Ketamine or dextromethorphan formulations and methods of use |
CN104546806A (zh) * | 2015-01-05 | 2015-04-29 | 万特制药(海南)有限公司 | 一种含有利培酮的口腔速溶膜及其制备方法 |
EP3960155A1 (en) * | 2017-06-29 | 2022-03-02 | Skyline Biosciences, LLC | Isotretinoin oral-mucosal formulations and method for using same |
DE102017129012A1 (de) * | 2017-12-06 | 2019-06-06 | Lts Lohmann Therapie-Systeme Ag | Oraler Dünnfilm mit hoher Wirkstoffbeladung |
DE102018109981A1 (de) * | 2018-04-25 | 2019-10-31 | Lts Lohmann Therapie-Systeme Ag | U-förmiger oraler Dünnfilm |
-
2019
- 2019-12-20 DE DE102019135432.3A patent/DE102019135432A1/de active Pending
-
2020
- 2020-12-18 CN CN202080088135.1A patent/CN114845700A/zh active Pending
- 2020-12-18 BR BR112022010435A patent/BR112022010435A2/pt unknown
- 2020-12-18 US US17/787,874 patent/US20230033638A1/en active Pending
- 2020-12-18 EP EP20842699.9A patent/EP4076392A1/de active Pending
- 2020-12-18 JP JP2022537418A patent/JP2023508293A/ja active Pending
- 2020-12-18 WO PCT/EP2020/087195 patent/WO2021123289A1/de unknown
- 2020-12-18 CA CA3165394A patent/CA3165394A1/en active Pending
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WO2021123289A1 (de) | 2021-06-24 |
US20230033638A1 (en) | 2023-02-02 |
BR112022010435A2 (pt) | 2022-09-06 |
DE102019135432A1 (de) | 2021-06-24 |
CN114845700A (zh) | 2022-08-02 |
CA3165394A1 (en) | 2021-06-24 |
EP4076392A1 (de) | 2022-10-26 |
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