Alector to Discontinue Phase 2 PROGRESS-AD Trial of Nivisnebart (AL101/GSK4527226) in Early Alzheimer's Disease Following Interim Futility Analysis--Independent data monitoring committee (IDMC) determined the trial unlikely to meet primary endpoint – --Alector remains focused on advancing its pipeline of novel ABC-enabled candidates, including an anti-Aβ antibody for Alzheimer's disease (AD), a GCase enzyme replacement therapy (ERT) for Parkinson's disease (PD), a tau siRNA for AD, an α-synuclein siRNA for PD, and an NLRP3 siRNA for multiple neurological and metabolic disorders, alongside several first-in-class discovery programs— SOUTH SAN FRANCISCO, Calif., April 29, 2026 (GLOBE NEWSWIRE) -- Alector, Inc. (Nasdaq: ALEC), a biotechnology company focused on developing therapies to counteract the devastating progression of neurodegeneration, today confirmed that the Phase 2 PROGRESS-AD trial of nivisnebart (AL101/GSK4527226) in individuals with early Alzheimer's disease (AD) will be discontinued.
GlobeNewsWire4/29/2026Neutral