ALZ-801 (formerly BLU8499) for the treatment of Alzheimer’s disease (AD), initially developed by BELLUS Health, was licensed to Alzheon Inc. (Alzheon) in 2013 in return for revenue sharing and royalties on sales.

ALZ-801 is a prodrug of tramiprosate, a beta-amyloid targeting small molecule shown to improve cognition and function in AD patients who are carriers of apolipoprotein E4 (APOE4) AD genotype, and to reduce soluble beta-amyloid in the cerebral spinal fluid of AD patients.

Alzheon, a private company focused on AD and other neurodegenerative disorders, has completed two Phase 1b clinical studies with ALZ-801 and is currently in preparation for further late-stage clinical studies focusing on treatment of mild AD patients who are homozygous for APOE4, the most important genetic risk factor for late-onset AD.

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