METHOD FOR PRODUCING ROPINIROLE HYDROCHLORIDE-CONTAINING PHARMACEUTICAL COMPOSITION, ROPINIROLE HYDROCHLORIDE-CONTAINING PHARMACEUTICAL COMPOSITION AND ROPINIROLE HYDROCHLORIDE-CONTAINING SUSTAINED-RELEASE PREPARATION

摘要

To provide a method for producing a ropinirole hydrochloride-containing pharmaceutical composition having excellent stability, a ropinirole hydrochloride-containing pharmaceutical composition produced by the production method, and a ropinirole hydrochloride-containing sustained-release preparation containing the same as a layer.SOLUTION: According to one embodiment, a method for producing a ropinirole hydrochloride-containing pharmaceutical composition includes blending a raw material containing ropinirole hydrochloride with a granulate liquid containing ethanol. The liquid containing ethanol may contain ethanol of 25 wt.% or more and 100 wt.% or less.SELECTED DRAWING: Figure 2