Genentech’s crenezumab stumbles in Alzheimer’s trial

Roche (SIX:RO, ROG; OTCQX:RHHBY) subsidiary Genentech announced that a study of the amyloid beta-protein inhibitor crenezumab failed to show statistically significant clinical benefit in Alzheimer’s patients.

The failure is typical. Historically, 99% of Alzheimer’s drug candidate studies fail to show improvement over placebo, according to Alzheimer’s Research & Therapy.

In the research, Genentech partnered with the Banner Alzheimer’s Institute, the University of Antioquia in Colombia and the National Institute on Aging.

The research did find slight differences favoring crenezumab across several endpoints, but they failed to reach statistical significance.

“We’re disappointed that the treatment did not demonstrate a statistically significant clinical benefit,” said Dr. Eric M. Reiman, Banner Alzheimer’s Institute executive director, in a news release. “At the same time, we’re proud of …

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