A per­pet­u­al los­er at the high stakes game of Alzheimer's re­search, Roche con­cedes an­oth­er amy­loid flop

The amy­loid be­ta the­o­ry that has dri­ven bil­lions of dol­lars in failed Alzheimer’s re­search has tak­en yet an­oth­er body blow.

Roche — and specif­i­cal­ly its big sub Genen­tech — con­ced­ed de­feat overnight for its close­ly watched Phase II API-ADAD tri­al of crenezum­ab in Alzheimer’s pre­ven­tion. This fol­lows twin Phase III fail­ures — CREAD 1 and CREAD 2 in 2019 — and may well ef­fec­tive­ly mark the end of the line for a drug in-li­censed from Switzer­land’s AC Im­mune 16 years ago.

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