Roche Alzheimer's drug fails, joining long list of trial flops
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Roche Alzheimer's drug fails, joining long list of trial flops
Roche Alzheimer's drug fails, joining long list of trial flops
https://www.reuters.com/article/us-roche-alzheimers/roche-ac-immune-anti-tau-alzheimers-drug-fails-trial-idINKCN26E1XR
they should combine it w/ Biogen aducanumab
(Reuters) - An experimental Alzheimer's drug from Roche ROG.S and AC Immune ACIU.O failed to slow cognitive and functional decline in a trial, the Swiss companies said on Wednesday, in a fresh setback to efforts to fight the fatal dementia-causing disease.
AC Immune boss Andrea Pfeifer described the results of the trial of semorinemab as “surprising and disappointing”.
The drug targets “tau” proteins believed to play a role in Alzheimer’s and offers an alternative to treatments aiming to fight amyloid beta peptides in the brain.
The outcome of the Phase 2 trial - in patients with an early stage of Alzheimer’s - means the failure rate for drugs aiming to fight the brain-wasting illness, which afflicts tens of millions of people worldwide, remains at nearly 100%.
“We believe the full data analysis of this first-of-its-kind study will yield information about this promising target that will advance our understanding and inform future efforts,” Pfeifer said.
So far, Alzheimer's drugs have nearly always stumbled in trials, though the U.S. Food and Drug Administration is now reviewing experimental treatment aducanumab from Biogen BIIB.O and Japan's Eisai 4523.T, marking the first Alzheimer's drug application in 17 years to be reviewed by the agency.
Aducanumab targets amyloid beta peptides, but nearly all similar drugs have failed, so far, including prospective medicines from Roche and AC Immune. Consequently, the companies were hoping anti-tau medicines like semorinemab would yield better results and said this result was a disappointment.
https://www.reuters.com/article/us-roche-alzheimers/roche-ac-immune-anti-tau-alzheimers-drug-fails-trial-idINKCN26E1XR
they should combine it w/ Biogen aducanumab
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