PHARMACEUTICAL FORMULATIONS

摘要

PCT No. PCT/EP91/00689 Sec. 371 Date Dec. 11, 1991 Sec. 102(e) Date Dec. 11, 1991 PCT Filed Apr. 9, 1991 PCT Pub. No. WO91/16043 PCT Pub. Date Oct. 31, 1991.The taste of orally administered drugs is masked by coating the drug with a polymeric membrane which is soluble only at a pH of 5 or more. An acid substance is included in the formulation containing the coated drug to reduce or prevent the dissolution of the membrane in the oral cavity.