Astellas Deutschland Gmbh

Jeffrey Colledge

Margaretha Olthoff

Ulrich Patzak

Taoufik Ouatas

Thomas Alfred Profitlich

In the present invention there is provided a pharmaceutical composition in a solid dosage form suitable or oral administration, the composition comprising bendamustine or a pharmaceutically acceptable ester, salt or solvate thereof as an active ingredient, and at least one pharmaceutically acceptable excipient, which is a pharmaceutically acceptable saccharide selected from the group consisting of one or more of a monosaccharide, a disaccharide, an oligosaccharide, a cyclic oligosaccharide, a polysaccharide and a saccharide alcohol, wherein the ratio by weight of the active ingredient to the saccharide excipient(s) is in the range of 1:1-5.

Solid dosage forms of bendamustine

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.

Oral dosage forms of bendamustine

In the present invention there is provided an oral pharmaceutical composition, comprising bendamustine or a pharmaceutically acceptable, ester, salt or solvate thereof as an active ingredient, and a pharmaceutically acceptable excipient, which is a pharmaceutically acceptable non-ionic surfactant, selected from the group consisting of polyethoxylated castor oil or derivative thereof and a block copolymer of ethylene oxide and propylene oxide.

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AC Leiderdorp, Netherlands

Jeffrey Colledge