How an Unproven Alzheimer’s Drug Got Approved

Though some of its own senior officials said there was little evidence of benefit for patients, the F.D.A. nonetheless greenlighted Biogen’s Aduhelm, or aducanumab.

By Pam BelluckSheila Kaplan and Rebecca Robbins Updated July 20, 2021, 9:29 a.m. in the New York Times

Ed note: The expert independent science panel felt the drug should not be approved. That the risk of brain hemorrhage was significant in the face of minimal, or no efficacy. More studies are needed. Is this an example of the medical-industrial complex gone amok? Major institutions like the Cleveland Clinic are refusing to prescribe the drug. So how did this all happen? It’s still murkey.

Two months before the Food and Drug Administration’s deadline to decide whether to approve Biogen’s controversial Alzheimer’s drug, aducanumab, a council of senior agency officials resoundingly agreed that there wasn’t enough evidence it worked.

The council, a group of 15 officials who review complex issues, concluded that another clinical trial was necessary before approving the drug. Otherwise, one council member noted, approval could “result in millions of patients taking aducanumab without any indication of actually receiving any benefit, or worse, cause harm,” according to minutes of the meeting, obtained by The New York Times.

“It is critical that the decision be made from a place of certainty,” the minutes said.

The session, whose details have not been reported before, represented at least the third time that proponents of approving aducanumab in the F.D.A. had received a clear message that the evidence did not convincingly show the drug could slow cognitive decline.

On June 7, the F.D.A. greenlighted the drug anyway — a decision that has been met with scathing rebuke from many Alzheimer’s experts and other scientists and calls for investigations into how the agency approved a treatment that has little evidence it helps patients.

How and why the F.D.A. went ahead and approved the drug — an intravenous infusion, marketed as Aduhelm, that the company has since priced at $56,000 a year — has become the subject of intense scrutiny. Two congressional committees are investigating the approval and the price. Much is still unknown, but an examination by The Times has found that the process leading to approval took several unusual turns, including a decision for the F.D.A. to work far more closely with Biogen than is typical in a regulatory review.

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