The Medical Letter on Drugs and Therapeutics
Encapsulated Mesalamine Granules (Apriso) for Ulcerative Colitis
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Apriso (Salix) is a new formulation of mesalamine (5-aminosalicylic acid; 5-ASA) approved by the FDA for maintenance of remission in mild to moderate ulcerative colitis (UC). Mesalamine is a locally acting antiinflammatory agent that is widely used both to maintain and induce remission in inflammatory bowel disease. Various mesalamine formulations have been developed to target drug delivery to areas of the small intestine and colon. Most of these agents require frequent dosing and have a high pill burden. The newest products – Lialda, introduced in 2007,1 and now Apriso – can be dosed once daily.

PHARMACOLOGYApriso capsules have a pHdependent coating around a polymer matrix core that contains mesalamine granules. The outer coating dissolves at a pH ≥6, exposing the core to luminal fluid and releasing the drug into the distal ileum and colon. About 20-30% of ... more      

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Title: Encapsulated Mesalamine Granules (Apriso) for Ulcerative Colitis
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