June 23, 2026 -- Calico Life Sciences LLC (Calico), a clinical-stage biotechnology organization focused on aging and age-related diseases and founded by Alphabet Inc. and Arthur D. Levinson, today announced that the U.S. Food and Drug Administration (FDA) granted fosigotifator Breakthrough Therapy Designation (BTD) for the treatment of Vanishing White Matter (VWM) disease. Fosigotifator, an investigational eIF2B activator, is currently in a Phase 1b/2 clinical trial evaluating its safety, tolera