RecruitingPhase 1Drug trialA Study of an MMSET Inhibitor in Patients With Relapsed and Refractory Multiple MyelomaA Phase I study to evaluate the safety of a novel, orally available, selective, and potent small molecule inhibitor of the histone lysine methyl transferase MMSET (also known as NSD2/WHSC1) to prevent the dimethylation of H3K36 in adult patients with relapsed or refractory multiple myeloma (RRMM).