申请人:Bristol-Myers Squibb Company
公开号:EP2298288A1
公开(公告)日:2011-03-23
A coated tablet formulation is provided which includes a medicament such as the DPP4-inhibitor, saxaglipitin, formula (I), or its HCl salt, which is subject to intra-molecular cyclization, which formulation includes a tablet core containing one or more fillers, and other conventional excipients, which tablet core includes a coating thereon which may include two or more layers, at least one layer of which is an inner seal coat layer which is formed of one or more coating polymers, a second layer of which is formed of medicament which is the DPP4-inhibitor and one or more coating polymers, and an optional, but preferable third outer protective layer which is formed of one or more coating polymers. A method for forming the coated tablet is also provided.
本发明提供了一种包衣片剂,其中包括可发生分子内环化的药物,如 DPP4 抑制剂、沙格雷利定、式(I)或其盐酸盐,该制剂包括含有一种或多种填料和其他常规赋形剂的片芯,片芯上有一层包衣,包衣可包括两层或多层、其中至少一层是由一种或多种包衣聚合物形成的内密封包衣层,第二层是由作为 DPP4 抑制剂的药物和一种或多种包衣聚合物形成的包衣层,第三层是由一种或多种包衣聚合物形成的可选但优选的外保护层。此外,还提供了一种形成包衣片剂的方法。