RecruitingDrug trialA Study to Evaluate the Safety and Efficacy of BEAM-302 in Adult Patients With Alpha-1 Antitrypsin Deficiency (AATD)This is a Phase 1/2, multicenter, open-label, dose-exploration (Phase 1) and dose-expansion (Phase 2) study to evaluate the safety, tolerability, PK/PD, and efficacy of BEAM-302 in adult patients with AATD-associated lung disease and/or liver disease and to determine the optimal biological dose (OBD).