The prescribing information has a boxed warning for cytokine release syndrome (CRS), immune effector cell-associated neurotoxicity syndrome (ICANS) and T cell malignancies. CRS occurred in 75% (Grade 3, 3%) and neurologic toxicities occurred in 64% (Grade ≥3, 12%), including ICANS in 24% (Grade ≥3, 7%).The most common non-laboratory adverse reactions (incidence ≥ 20%) included CRS, infections-pathogen unspecified, musculoskeletal pain, viral infections, fever, nausea, bacterial infectious disorders, diarrhea, febrile neutropenia, ICANS, hypotension, pain, fatigue, headache, encephalopathy, and hemorrhage., On November 8, 2024, the FDA approved obecabtagene autoleucel (Aucatzyl, Autolus Inc.) for relapsed or refractory B-cell precursor acute lymphoblastic leukemia., AUCATZYL was approved by the FDA for the treatment of adult patients with relapsed or refractory B-cell precursor acute lymphoblastic leukemia on November 08, 2024..