SUSTAINED RELEASE DOSAGE FORM OF PHENOTHIAZINE DERIVATIVES CONTAINING CHANNELIZER

摘要

Once a day sustained release solid oral dosage form of phenothiazine derivative preferably the dibenzothiazepine derivative and their pharmaceutically acceptable salts comprising of a channelizer, rate controlling polymer and suitable pharmaceutically acceptable excipients. The formulation of the present invention is in the form of tablet or capsule which provides a sustained drug action upto 24 hours upon single dose administration.