Methods of providing controlled-release pharmaceutical compositions and controlled-release pharmaceutical compositions

摘要

Methods are disclosed for forming a solid pharmaceutical composition having a desired release profile that include selecting hydroxypropylmethyl cellulose having a particular particle distribution to obtain the desired release profile, and forming a solid pharmaceutical composition comprising a core that comprises a bio-active and the hydroxypropylmethyl cellulose. Solid pharmaceutical compositions are also disclosed that include a bio-active, and hydroxypropylmethyl cellulose having a particle size that is selected to obtain a desired release profile.