Pharmaceutical formulation containing muscle relaxant and COX-II inhibitor
申请人:Sen Nilendu
公开号:US20050100594A1
公开(公告)日:2005-05-12
Disclosed is an extended release pharmaceutical formulation comprising a muscle relaxant drug, such as tizanidine, in combination with a cyclooxygenase-2 inhibitor, such as valdecoxib. The formulations are useful in the treatment and management of painful inflammatory conditions associated with, for example, skeletal muscle spasms.
A hydroalcoholic topical pharmaceutical composition is provided comprising a therapeutically effective amount of a therapeutic agent comprising one or more selective cyclooxygenase-2 (COX-2) inhibitors or pharmaceutically acceptable salts or esters thereof solubilized in a solubilizing amount of a penetration vehicle system comprising a skin penetration enhancing effective amount of at least one monohydric alcohol and at least two non-volatile organic compounds selected from the group consisting of pyrrolidones, polyol ethers, polyols and mixtures thereof. Also provided is a process for its preparation.