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ASH 2025 | CAR T-cell–driven induction of iNOS in TAMs promotes CAR T-cell resistance in B-cell lymphoma

Marco Davila, MD, PhD, Roswell Park Comprehensive Cancer Center, Buffalo, NY, discusses research identifying tumor-associated macrophages (TAMs) as a key driver of resistance to CD19 CAR T-cell therapy in lymphoma. Preclinical models demonstrated TAMs can impair or kill CAR T-cells through metabolic and proteomic mechanisms, highlighting inducible nitric oxide synthase (iNOS) as a potential therapeutic target to improve durable responses. This interview took place at the 67th ASH Annual Meeting and Exposition, held in Orlando, FL.

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