US Patent 7465462 Multiparticulate controlled release selective serotonin reuptake inhibitor formulations

A multiparticulate controlled release selective serotonin reuptate inhibitor (SSRI) formulation for oral administration is provided. The formulation includes particles of an SSRI or a pharmaceutically acceptable salt thereof, which are coated with a rate-controlling polymer that allows controlled release of the SSRI over a period of not less than about 12 hours after oral administration. The rate controlling polymer includes a film-forming water-insoluble polymer, or a mixture of a film-forming water-insoluble polymer and a film-forming water-soluble polymer.