申请人:ASTELLAS DEUTSCHLAND GMBH
公开号:US10485787B2
公开(公告)日:2019-11-26
In the present invention there is provided a pharmaceutical composition for oral administration which comprises bendamustine or a pharmaceutically acceptable, ester, salt or solvate thereof as an active ingredient, and a pharmaceutically acceptable excipient and which shows a dissolution of the bendamustine of at least 60% in 20 minutes, 70% in 40 minutes and 80% in 60 minutes, as measured with a paddle apparatus at 50 rpm according to the European Pharmacopoeia in 500 ml of a dissolution medium at a pH of 1.5. The invention further relates to the above pharmaceutical composition for use for the oral treatment of a medical condition which is selected from chronic lymphocytic leukemia, acute lymphocytic leukaemia, chronic myelocytic leukaemia, acute myelocytic leukaemia, Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, breast cancer, ovarian cancer, small cell lung cancer and non-small cell lung cancer.
本发明提供了一种用于口服给药的药物组合物,它包括作为活性成分的苯达莫司汀或其药学上可接受的酯类、盐类或溶解物,以及药学上可接受的赋形剂,并且根据《欧洲药典》,在500毫升pH值为1.5的溶解介质中,用桨叶仪器以50转/分的速度测量,苯达莫司汀在20分钟内的溶解度至少为60%,在40分钟内溶解度至少为70%,在60分钟内溶解度至少为80%。本发明进一步涉及上述药物组合物,用于口服治疗选自慢性淋巴细胞白血病、急性淋巴细胞白血病、慢性粒细胞白血病、急性粒细胞白血病、霍奇金病、非霍奇金淋巴瘤、多发性骨髓瘤、乳腺癌、卵巢癌、小细胞肺癌和非小细胞肺癌的病症。