VENLAFAXINE COMPOSITIONS COMPRISING PELLETS WITH DOUBLE LAYER COATING

摘要

This invention provides coated pellets comprising a) a pellet core which comprises venlafaxine hydrochloride; b) a first coating which comprises a lipophilic layer or a sparingly water-soluble layer, and c) a second coating which comprises a water-insoluble polymer or polymer mixture. In another aspect this invention provides compositions which comprises the coated pellets. In a further aspect, the invention provides a process for preparing the coated pellets which process avoids use of organic solvents at least for the second coating.