发明名称 DRUG DELIVERY SYSTEMS COMPRISING WEAKLY BASIC DRUGS AND ORGANIC ACIDS
摘要 Disclosed herein is a pharmaceutical composition comprising a plurality of timed pulsatile release and rapid release particles, wherein: the timed pulsatile release particles each comprise a core coated with a timed pulsatile release layer; the core comprises a weakly basic, poorly soluble drug and a pharmaceutically acceptable organic acid separated from each other by a sustained release layer; the rapid release particles each comprise the weakly basic, poorly soluble drug, and release at least about 80 wt.% of the weakly basic, poorly soluble drug in about 15 minutes when dissolution tested using United States Pharmacopoeia (USP) dissolution methodology (Apparatus 2 - paddles@ 50 RPM and a two-stage dissolution medium at 37ºC (first 2 hours in 0.1N HCl followed by testing in a buffer at pH 6.8).
申请公布号 NZ587897(A) 申请公布日期 2012.10.26
申请号 NZ20090587897 申请日期 2009.03.11
申请人 APTALIS PHARMATECH, INC. 发明人 VENKATESH, GOPI;LAI, JIN-WANG;VYAS, NEHAL H;PUROHIT, VIVEK
分类号 A61K9/30 主分类号 A61K9/30
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