Abcellera Biologics IncPhase 2 trial met primary endpoints with significant efficacy and good safety, driving stock surge.

AbCellera Biologics announced positive top-line results from the Phase 2 portion of its Phase 1/2 trial of ABCL635, an investigational antibody for moderate-to-severe vasomotor symptoms due to menopause. The study met its primary efficacy endpoints, achieving statistically significant reductions in both frequency and severity of hot flashes at week 4 compared to placebo after a single subcutaneous 600 mg dose. Patients receiving ABCL635 experienced an average reduction of 8.8 moderate-to-severe events per day versus 3.5 for placebo, a placebo-adjusted difference of 5.3, translating to an 83% reduction in frequency compared to 33% for placebo. Severity scores improved with a mean reduction of 1.4 points versus 0.3 for placebo, a placebo-adjusted difference of 1.1, and a mean percent reduction in severity of 58% for ABCL635 compared to 12% for placebo. The treatment was well tolerated with no serious adverse events or discontinuations, and the stock surged 33% in pre-market trading.
Abcellera Biologics IncPhase 2 trial met primary endpoints with significant efficacy and good safety, driving stock surge.