Safety and Efficacy of OT-82 in Participants With Relapsed or Refractory Lymphoma

OT-82 affects an enzyme in the cancer cell called nicotinamide phosphoribosyltransferase (abbreviated NAMPT), which is involved with making energy for the cancer cell. OT-82 deprives the cancer cell of the energy that it needs to grow and divide. This is a Phase 1, non-randomized (all participants will receive the study medication), open-label (identity of the study drug will be known to the participant and the study staff), controlled (the methods of the study are not random) study. Approximately 45 -50 participants at approximately 10 study centers across the USA will take part in this research study. The starting dose for Stage 1 is 16.5 mg/m2 per day. Participants in Stage 1 will be assigned a dose dependent on when he or she entered the study. Doses will increase for each new group of 3 to 6 participants until the maximum tolerated dose (MTD) or the maximum tested dose is reached. OT-82 is an oral liquid suspension that will be taken by mouth once per day for 3 days followed by a 4-day rest period.. A participant may continue to receive treatment with OT-82 as long as the study doctor feels it is in their best interest; as long as the participant does not develop intolerable side effects; as long as the participant wishes to remain in the study; or as long as the sponsor does not close the study. Participants in Stage 2 of the study will receive either the MTD or the maximum tested dose of OT-82 determined in Stage 1. Assessment of anti-tumor activity will primarily focus on categorical objective response (Partial Response (PR) or Complete Response (CR)) as defined according to the consensus recommendations of the Lugano Classification criteria for malignant lymphoma (Cheson et al., 2014).