AC Immune Reports Interim 12-Month Data from Phase 1b/2 ABATE Trial of ACI-24 in Prodromal Alzheimer's Disease ACI-24 anti-Abeta active immunotherapy generally safe and well tolerated in first three Alzheimer's disease (AD) cohorts in ABATE Anti-Abeta antibody dose-response demonstrated with antibodies detected at all dose levels in cohorts AD1-3 Ongoing AD4 cohort includes additional adjuvant designed to enhance ACI-24 responses Lausanne, Switzerland, June 30, 2026 -- AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering precision therapeutics for neurodegenerative diseases, today announced interim data from the first three cohorts (AD1, AD2 & AD3) of 74 patients with prodromal Alzheimer's disease (AD) in the Phase 1b/2 ABATE trial following 12 months of treatment with ACI-24 anti-amyloid beta (Abeta) active immunotherapy. In the trial to date, ACI-24 has been generally safe and well tolerated, with no evidence of amyloid-related imaging abnormalities-edema (ARIA-E).




