Ongoing Phase 1 APOLLO study investigating MT-601 in patients with relapsed B cell lymphomas showed encouraging preliminary efficacy data MT-601 demonstrated robust safety profile with no dose limiting toxicities (DLTs) or immune-effector cell associated neurotoxicity syndrome (ICANS) in the dose escalation cohort HOUSTON, Nov. 03, 2025 (GLOBE NEWSWIRE) -- Marker Therapeutics, Inc. (Nasdaq: MRKR), a clinical-stage immuno-oncology company focusing on developing next-generation T cell-based immunotherapies fo ...