(Updates)
** Shares of Alzheimer's drug developer Acumen
Pharmaceuticals ABOS.O up 56.4% at $9.82, hitting over 1-1/2
year high
** Co on Sunday said its drug candidate, ACI193, was
well-tolerated in a first in human early-stage trial testing 62
patients with early Alzheimer's disease
** The experimental drug that targets a novel form of the
toxic protein beta-amyloid in the brain passed an early safety
test and will advance to a larger trial, company says
** Co adds people who got higher doses of the drug also
showed a reduction in amyloid plaque after 6 to 12 weeks
** While no drug-related serious adverse events occurred,
10.4% or 5 treated patients developed a brain swelling condition
known as ARIA-E associated with amyloid-targeting treatments
** Another 8.3% developed bleeding in the brain associated
with treatment, known as ARIA-H
** "Low ARIA rates very supportive of improved safety
profile and potential dosing at levels allowing improved
efficacy," says Brokerage BTIG
** Including session's gain, stock up 81.5% YTD
(Reporting by Pratik Jain in Bengaluru)
((Pratik.Jain@thomsonreuters.com;))