JP6533229B2 - バルーンカテーテルに対する長時間作用型リムス製剤 - Google Patents
バルーンカテーテルに対する長時間作用型リムス製剤 Download PDFInfo
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- JP6533229B2 JP6533229B2 JP2016543366A JP2016543366A JP6533229B2 JP 6533229 B2 JP6533229 B2 JP 6533229B2 JP 2016543366 A JP2016543366 A JP 2016543366A JP 2016543366 A JP2016543366 A JP 2016543366A JP 6533229 B2 JP6533229 B2 JP 6533229B2
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- balloon
- limus
- balloon catheter
- angioplasty
- crystals
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
- A61L29/14—Materials characterised by their function or physical properties, e.g. lubricating compositions
- A61L29/16—Biologically active materials, e.g. therapeutic substances
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1027—Making of balloon catheters
- A61M25/1029—Production methods of the balloon members, e.g. blow-moulding, extruding, deposition or by wrapping a plurality of layers of balloon material around a mandril
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/104—Balloon catheters used for angioplasty
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
- A61L2300/416—Anti-neoplastic or anti-proliferative or anti-restenosis or anti-angiogenic agents, e.g. paclitaxel, sirolimus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/60—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a special physical form
- A61L2300/63—Crystals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2420/00—Materials or methods for coatings medical devices
- A61L2420/02—Methods for coating medical devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1027—Making of balloon catheters
- A61M25/1029—Production methods of the balloon members, e.g. blow-moulding, extruding, deposition or by wrapping a plurality of layers of balloon material around a mandril
- A61M2025/1031—Surface processing of balloon members, e.g. coating or deposition; Mounting additional parts onto the balloon member's surface
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/105—Balloon catheters with special features or adapted for special applications having a balloon suitable for drug delivery, e.g. by using holes for delivery, drug coating or membranes
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Description
a)リムス結晶は、結晶が可溶性でない溶媒または溶媒混合物中に懸濁される。上記に列挙した無極性有機溶媒が、好ましくは溶媒/懸濁媒体としてここで使用される。この懸濁液が治療用量でバルーンに塗布される。
b)リムス結晶は、(a)に記載した通りであるが、はるかに低い治療量以下の用量、例えば、バルーン表面積1mm2当たりリムス物質0.001μgから0.5μgの間、好ましくは1mm2当たりリムス物質0.001から0.1μgの間でバルーン表面に塗布して、種結晶をバルーン上に堆積させる。その直後、または種結晶を乾燥させた後、バルーンは、概ね完全に飽和した過飽和リムス溶液で治療的に活性な用量に到達するまで被覆される。言い換えれば、バルーン表面積1mm2当たりリムス物質1μgから10μgの間の用量(最終的な乾燥状態において)に対応する、少なくとも飽和した溶液の形態の、追加の用量の少なくとも1種のリムス物質が塗布される。飽和または過飽和溶液は、非常に異なる溶媒中で調製することができるが、任意選択的に水を添加した、極性溶媒(酢酸エチル、アセトン、イソプロパノール)および無極性溶媒(例えば、シクロヘキサン、ヘキサン、ヘプタン、オクタン)の溶媒混合物が好適である。結晶化、結晶のサイズ、およびこれらの凝集は、乾燥条件、特に、温度および空気の移動によって制御することができる。
Claims (8)
- 結晶形態にある少なくとも1種の、カプセル化されていないリムス物質を含む、バルーン表面上にポリマーフリー被膜を有する血管形成術用バルーンカテーテルであって、前記カプセル化されていない結晶性リムス物質が、酢酸エチルおよびヘプタンの溶媒混合物から直接塗布された、血管形成術用バルーンカテーテル。
- 結晶形態にある少なくとも1種の、カプセル化されていないリムス物質を含む、バルーン表面上にポリマーフリー被膜を有する血管形成術用バルーンカテーテルであって、前記カプセル化されていない結晶性リムス物質が、酢酸エチルおよびヘプタンの溶媒混合物による懸濁液として塗布された、血管形成術用バルーンカテーテル。
- 前記被膜が、ポリマーを除く追加の賦形剤および/または添加剤を含有することを特徴とする、請求項1または2に記載の血管形成術用バルーンカテーテル。
- ポリマーを除く追加の賦形剤および/または添加剤を含む別の層が塗布されること特徴とする、請求項1または2に記載の血管形成術用バルーンカテーテル。
- 前記賦形剤が、前記リムス物質の5重量%を超える量の抗酸化剤であることを特徴とする、請求項3に記載の血管形成術用バルーンカテーテル。
- 前記賦形剤が、前記リムス物質の0.5〜50重量%の範囲内の脂肪酸塩であることを特徴とする、請求項3に記載の血管形成術用バルーンカテーテル。
- 血管形成術用バルーンカテーテルのバルーン表面に、結晶性リムス物質を有するポリマーフリー被覆を行うための方法であって、
a)少なくとも1種のリムス物質を酢酸エチル中に溶解させるステップと、
b)飽和または過飽和溶液が形成されるように、a)からの前記溶液をヘプタンと混合するステップと、
次いで
c)前記飽和または過飽和溶液を前記バルーン表面に塗布し、結晶化させるステップと、
または
d)過飽和溶液の場合は、結晶を含有する懸濁液が得られるように前記少なくとも1種のリムス物質の結晶化を誘発させ、かつ、以下のいずれか:
d1)前記懸濁液を前記バルーン表面に塗布し、そこで追加の結晶化および/もしくは乾燥を実施するステップと、
もしくは
d2)前記懸濁液から前記少なくとも1種のリムス物質の前記結晶を単離し、任意選択で乾燥させ、適切な液体中に前記結晶を再懸濁させ、前記再懸濁液を前記バルーン表面に塗布し、追加の結晶化および/もしくは乾燥を実施するステップと
を含む方法。 - 追加の最終工程e)において、添加剤および賦形剤としてのポリマーを除く添加剤/賦形剤の少なくとも1つの追加の層が塗布されることを特徴とする、請求項7に記載の、血管形成術用バルーンカテーテルのバルーン表面に、特に結晶性リムス物質によるポリマーフリー被覆を行うための方法。
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DE102013110294.8A DE102013110294B4 (de) | 2013-09-18 | 2013-09-18 | Limus-Depot-Formulierung auf Ballonkathetern |
DE102013110294.8 | 2013-09-18 | ||
PCT/EP2014/069517 WO2015039969A1 (de) | 2013-09-18 | 2014-09-12 | Limus-depot-formulierung auf ballonkathetern |
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EP (1) | EP3046593B1 (ja) |
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