CAMBRIDGE, Mass., June 26, 2024 (GLOBE NEWSWIRE) -- Beam Therapeutics Inc. (Nasdaq: BEAM), a biotechnology company developing precision genetic medicines through base editing, today announced the first patient was treated with BEAM-302, an investigational in vivo base editing medicine designed to precisely correct the underlying cause of severe alpha-1 antitrypsin deficiency (AATD), that is currently being evaluated in a Phase 1/2 clinical trial.