JP2011507940A - 抗レトロウイルス性組合せ - Google Patents
抗レトロウイルス性組合せ Download PDFInfo
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- JP2011507940A JP2011507940A JP2010540173A JP2010540173A JP2011507940A JP 2011507940 A JP2011507940 A JP 2011507940A JP 2010540173 A JP2010540173 A JP 2010540173A JP 2010540173 A JP2010540173 A JP 2010540173A JP 2011507940 A JP2011507940 A JP 2011507940A
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- pharmaceutical composition
- ritonavir
- composition according
- darunavir
- melt
- Prior art date
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Abstract
(ii)ダルナビルまたは薬学的に許容されるその塩およびエステル
を含む固体単位投与量形態を含む医薬組成物。
Description
ヒト免疫不全ウイルス(HIV)は病原性レトロウイルスであり、後天性免疫不全症候群(AIDS)および関連する疾患の原因となる病原体である(Barre-Sinossi, F. et al; 1983, Science 220:868-870; Gallo, R. et al., 1984, Science 224:500-503)。少なくとも2つの異なった型のHIV−1(Barre-Sinossi, F. et al; 1983, Science 220:868-870; Gallo, R. et al., 1984, Science 224:500-503)とHIV−2(Clavel. F. et al., 1986, Science 223:343-346; Guyader, M. et al., 1987, Nature 326:662-669)が存在する。更に、大量の遺伝学的異種がこれらの型の夫々の母集団には存在する。ヒトCD−4+Tリンパ球のHIVウイルス感染は、その細胞型の枯渇を導き、最終的には日和見感染、神経障害、新生物の増殖および早期の死を導く。
本発明の目的は、同時に、別々にまたは順次に投与されてよい新規の抗レトロウイルス性組合せを含む医薬組成物を提供することである。
本発明の1つの側面に従うと、以下を含む薬学的組合せが提供される:
(i)プロテアーゼ阻害剤または薬学的に許容されるその塩;
(ii)チトクロームP450阻害剤または薬学的に許容されるその塩。
本発明の好ましい態様において、
当該リトナビルまたはその薬学的に許容される塩、薬学的に許容される溶媒和物、薬学的に許容される鏡像異性体、薬学的に許容される誘導体、薬学的に許容される多型、薬学的に許容されるエステルまたは薬学的に許容されるプロドラッグと、ダルナビルまたはその薬学的に許容される塩、薬学的に許容される溶媒和物、薬学的に許容される鏡像異性体、薬学的に許容される誘導体、薬学的に許容される多型、薬学的に許容されるエステルまたは薬学的に許容されるプロドラッグとの共投与による、ヒトにおけるHIV感染またはAIDS(後天性免疫不全症候群)の阻害、治療または予防のための前記組合せを含む組成物が提供される。
(1) ダルナビルを、予めふるいおよびシフターにかけた量のクロスポビドン、黄酸化鉄(yellow iron oxide)、ポリビニルピロリドンK30、微結晶性セルロース、コロイド状二酸化ケイ素、ステアリン酸マグネシウムと混合し、精製水で顆粒化した。
(1) ダルナビルエタノール(Darunavir Ethanolate)を、予めふるいおよびシフターにかけた量のクロスポビドンおよび微結晶性セルロースと混合し、PVP K−30で顆粒化し、続いて、クロスポビドン、微結晶性セルロース、コロイド状二酸化ケイ素およびステアリン酸マグネシウムと混合し、滑沢(lubrication)した。
Claims (22)
- (i)リトナビルまたは薬学的に許容されるその塩およびエステル;
(ii)ダルナビルまたは薬学的に許容されるその塩およびエステル
を含む固体単位投与量形態を含む医薬組成物。 - 請求項1に記載の医薬組成物であって、前記リトナビルをその製剤の第1の層に、前記ダルナビルはその製剤の第2の層に含む錠剤形態である医薬組成物。
- 更に水不溶性ポリマーおよび/または水可溶性ポリマーを含む前記何れかの請求項に記載の医薬組成物。
- 請求項3に記載の医薬組成物であって、当該リトナビルまたはダルナビルの当該ポリマーの重量に対する重量が1:1〜1:6である医薬組成物。
- 請求項3または4に記載の医薬組成物であって、当該ポリマーが少なくとも当該リトナビルを含む層に存在する医薬組成物。
- 少なくとも1の薬学的に許容される賦形剤を更に含む前記何れかの請求項に記載の医薬組成物。
- 請求項6に記載の医薬組成物であって、当該賦形剤が可塑剤を含む医薬組成物。
- 前記何れかの請求項に記載の医薬組成物であって、当該ダルナビルが300〜800mgの量で存在する医薬組成物。
- 前記何れかの請求項に記載の医薬組成物であって、当該リトナビルが50〜100mgの量で存在する医薬組成物。
- HIVまたはAIDSの治療において使用するための前記何れかの請求項に記載の医薬組成物。
- 請求項2〜10の何れか1項に記載の医薬組成物であって、請求項2または3に従属している場合に、当該リトナビルを含む層が、前記リトナビルを当該ポリマーとホットメルト押出により得られる医薬組成物。
- 前記何れかの請求項に記載の医薬組成物の治療学的な有効量を投与することを具備するHIVまたはAIDSの治療方法。
- 請求項2〜11の何れか1項に記載の医薬組成物の製造方法であって、請求項2に従属している場合に、当該リトナビルをホットメルト押出して押出物を形成し、次に当該押出物を前記第1の層に配合すること;前記ダルナビルを前記第2の錠剤層に配合すること;および前記第1および第2の層を組合せて単一単位多重層錠剤製剤を提供することを具備する方法。
- 請求項13に記載の方法であって、当該ホットメルト押出工程より先に、当該リトナビルが水可溶性ポリマーおよび/または水不溶性ポリマーと混合される方法。
- 請求項13に記載の方法であって、当該ダルナビルが、水可溶性ポリマーおよび/または水不溶性ポリマーと混合され、且つホットメルト造粒処理またはメルト造粒処理により押し出される方法。
- 当該リトナビルまたはダルナビルの実質的に均質な溶融物と任意の1または1以上の賦形剤とを準備すること、当該溶融物を押出すること、およびそれが凝固するまで当該溶融物を冷却することを含む請求項13または14または15に記載の方法。
- 請求項16に記載の方法であって、当該溶融物が実質的に50℃〜実質的に200℃の温度で形成される方法。
- 請求項13または14に記載の方法であって、当該リトナビル、当該ポリマーおよび任意の1または1以上の賦形剤を加工することにより、当該押出器の加熱バレルを通って移動される粉末混合物を形成すること、それによって、当該粉末混合溶融物および溶融溶液産物を形成し、これを冷やして押出物を形成する方法。
- 当該冷却された押出物を所望の医薬剤形に加工することを含む請求項18に記載の方法。
- 錠剤またはカプセルまたはカプセル中の錠剤の形態にある請求項19に記載の医薬剤形。
- 請求項13、14、18、19および20の何れか1項に記載の方法であって、当該ダルナビルを含む層が直接の圧縮または湿式造粒により製造される方法。
- 請求項13〜21の何れか1項に記載の方法により製造され、HIVまたはAIDSの治療において使用するための組成物。
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