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    • 19. 发明申请
    • Pharmaceutical Compositions Comprising Sirolimus and/or an Analogue Thereof
    • 包含西罗莫司和/或其类似物的药物组合物
    • US20080275076A1
    • 2008-11-06
    • US11885992
    • 2006-03-08
    • Per HolmTomas Norling
    • Per HolmTomas Norling
    • A61K31/4353A61P37/06
    • A61K9/1617A61K9/1652A61K9/2013A61K9/2018A61K9/2031A61K9/2054A61K9/4858A61K9/4866A61K31/436
    • The present invention relates to pharmaceutical compositions in particulate form or in solid dosage forms comprising sirolimus (rapamycin) and/or derivatives and/or analogues thereof. Compositions of the invention exhibit an acceptable bioavailability of sirolimus and/or a derivative and/or an analogue thereof. The pharmaceutical compositions of the invention are designed to release sirolimus in a controlled manner so that the plasma levels stays within the narrow therapeutic window that exist for this class of substances. An extended release profile, where the peak concentration has been reduced without loosing significant bioavailability, together with less variable absorption, is expected to improve the safety/efficacy ratio of the drug. Furthermore, compositions according to the invention provide for a significant reduced food effect and a delayed release of sirolimus is expected to reduce the number of gastro-intestinal related side effects.
    • 本发明涉及颗粒形式或包含西罗莫司(雷帕霉素)和/或其衍生物和/或类似物的固体剂型的药物组合物。 本发明的组合物表现出西罗莫司和/或其衍生物和/或其类似物的可接受的生物利用度。 本发明的药物组合物被设计为以受控的方式释放西罗莫司,使得血浆水平停留在对于这类物质存在的狭窄的治疗窗口内。 延长释放曲线,其中峰值浓度已经降低而不失去显着的生物利用度,以及更少的可变吸收,预期将提高药物的安全性/功效比。 此外,根据本发明的组合物提供显着降低的食物效应,并且期望西罗莫司的延迟释放减少胃肠相关副作用的数量。