发明名称 DRUG DELIVERY SYSTEMS COMPRISING WEAKLY BASIC DRUGS AND ORGANIC ACIDS
摘要 The present invention is directed to pharmaceutical compositions, and methods of making such compositions, wherein the compositions comprise a plurality of TPR and RR particles, wherein: the TPR particles each comprise a core coated with a TPR layer; the core comprises a weakly basic, poorly soluble drug and a pharmaceutically acceptable organic acid separated from each other by an SR layer; the RR 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 5 minutes when dissolution tested using United States Pharmacopoeia (USP) dissolution methodology (Apparatus 2—paddles@50 RPM and a two-stage dissolution medium at 37° C. (first 2 hours in 0.1N HCl followed by testing in a buffer at pH 6.8).
申请公布号 ZA201006557(B) 申请公布日期 2011.12.28
申请号 ZA20100006557 申请日期 2010.09.13
申请人 APTALIS PHARMATECH INC. 发明人 VENKATESH GOPI M;LAI JIN-WANG;VYAS NEHAL H;PUROHIT VIVEK
分类号 A61K 主分类号 A61K
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