GAITHERSBURG, Md., Feb. 28, 2020 (GLOBE NEWSWIRE) -- Arcellx today announced that the first patient has been dosed with its engineered T cell therapy utilizing a novel deimmunized synthetic binding domain in the treatment of patients with relapsed and refractory multiple myeloma. This first-in-human Phase 1 trial is the first in a series of clinical trials planned for efficient, stepwise development of the Arcellx ARC-T + sparX cell therapy platform, with BCMA as an initial target.