Beam Therapeutics Announces Compelling Updated Clinical Data from the Ongoing Phase 1/2 Trial of BEAM-302 in Alpha-1 Antitrypsin Deficiency (AATD) to Support Advancement to Pivotal Development

Treatment with 60 mg of BEAM-302 Led to Mean Steady-state Total AAT Level of 16.1 µM and All Patients Consistently and Durably Above the 11 µM Protective AAT Threshold with up to 12 Months of Follow-up