Gepirone dosage form

摘要

Pharmaceutical compsn. for making oral extended release gepirone (I) dosage forms comprises: (a) 0.5-12 wt.% (I).HCl; (b) 70-85 wt.% cellulosic polymer matrix; (c) excipients. The release rate of (I) is such that 18-24 hrs. are required to attain 90-95% absorption of (I). Pref. (b) is hydroxypropylmethylcellulose with viscosity 1.5 x 104 - 1 x 106; and (c) is colourant, microcrystalline cellulose, colloidal silica and/or magnesium stearate.