EP2032125A2 — Ropinirole-containing pharmaceutical compositions in the form of a gel, uses thereof

USPTO Abstract

The present invention comprises compositions for pharmaceutical drug delivery of an indolone (e.g., ropinirole), or a pharmaceutically acceptable salt thereof. The composition may, for example, be a gel suitable for transdermal application. The compositions of the present invention typically comprise a hydroalcoholic vehicle, one or more antioxidant, and one or more buffering agent, wherein the pH of the gel is usually between about pH 7 and about pH 9. The compositions may include further components, for example, the hydroalcoholic vehicle may further comprise additional solvent(s), antioxidant(s), cosolvent(s), penetration enhancer{s), buffering agent(s), and/or gelling agent(s). The compositions may be used for the treatment of a variety of neurological disorders.