BESPONSA can cause liver problems that can be severe, life-threatening, or fatal, including a condition called veno-occlusive disease (VOD). This condition can occur during treatment with BESPONSA or following subsequent treatment with a stem cell transplant. This condition was more common in patients who had elevated liver tests or who received dual alkylating agents in preparation for their stem cell transplant. Patients may be at a higher risk of VOD if they: . The Food and Drug Administration approved BESPONSA based on the results of the clinical trial that showed treatment with BESPONSA compared to chemotherapy improved complete remission (CR) rates (36% vs 17%), length of CR (8.0 months vs 4.9 months), and minimal residual disease–negative CR rates (90% vs 32%).. BLINCYTO ® is the first and only bispecific CD19-directed CD3 T cell engager 1,2 1. BLINCYTO ® (blinatumomab) Prescribing Information, Amgen. 2. Food and Drug Administration..