Beam Therapeutics is a biotechnology company. Co. has identified four development candidates to date: three from its ex vivo platform, with two candidates targeting hemoglobinopathies and one candidate targeting T-cell leukemia, and one from its in vivo platform targeting glycogen storage disease. BEAM-102 directly corrects the causative mutation in sickle cell disease by recreating a naturally-occurring normal human hemoglobin variant, HbG-Makassar. BEAM-201 is an anti-CD7, multiplex edited, allogeneic chimeric antigen receptor T cell development candidate for the treatment of relapsed/refractory T-cell acute lymphoblastic leukemia.