Another Nail In Amyloid Hypothesis Coffin? Merck Ends Pivotal BACE Inhibitor Study

In another blow for the amyloid hypothesis in Alzheimer's disease, Merck ended its pivotal EPOCH study for the BACE inhibitor verubecestat based on an interim assessment that there was "virtually no chance of finding a positive clinical effect" in the nearly completed Phase II/III clinical trial.

Human brain illustrated with millions of small nerves - Conceptual 3d render

Merck & Co. Inc. revealed on Feb. 14 that it has ended the Phase II/III EPOCH clinical trial testing the BACE inhibitor verubecestat in mild-to-moderate Alzheimer's disease based on lack of efficacy, seeming to put another nail in the coffin for the amyloid hypothesis, although the company's Phase III trial in prodromal Alzheimer's is ongoing with results expected in Feb. 2019.

An external data monitoring committee determined after an interim safety analysis that verubecestat (MK-8931) had "virtually no chance of finding...

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