In yet another setback in the quest for Alzheimer’s therapies it was decided to discontinue investigation of the BACE1 inhibitor CNP520 (umibecestat) in two pivotal Phase II/III studies in the Alzheimer's Prevention Initiative Generation Program.
An assessment of unblinded data during a regular pre-planned review identified worsening in some measures of cognitive function, according to the sponsors, Novartis (NOVN: VX), Amgen (Nasdaq: AMGN) and the Banner Alzheimer's Institute. Given these findings, the sponsors concluded that the potential benefit for participants in the studies did not outweigh the risk.
Shares in Novartis fell 1.5% in after-hours trading to $88.98, while Amgen closed down 2.34% at $178.00 on Thursday.
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