866 RBN-2397, a novel, potent, and selective PARP7 inhibitor, induces tumor-intrinsic type I interferon responses and adaptive immunity in preclinical models and patient tumors
Kuplast-Barr K, Kuplast-Barr K, Johnson M, Patel M, Yap T, Falchook G, LoRusso P, Abo R, Liu C, Manyak E, Cleary L, Bozon V, Parasuraman S, Keilhack H, McEachern K. 866 RBN-2397, a novel, potent, and selective PARP7 inhibitor, induces tumor-intrinsic type I interferon responses and adaptive immunity in preclinical models and patient tumors. Journal For ImmunoTherapy Of Cancer 2021, 9: a907-a907. DOI: 10.1136/jitc-2021-sitc2021.866.Peer-Reviewed Original ResearchPreclinical modelsPatient tumor biopsiesTumor biopsiesAdaptive immunityCancer cellsHuman phase 1 studyTumor-specific immune memoryCD8 T cell infiltrationTumor microenvironmentPhase I clinical studyType IAdvanced solid tumorsPhase 1 studyT cell infiltrationGranzyme B expressionDurable tumor regressionAdaptive immune responsesInterferon-stimulated gene expressionImmune stimulatory effectsType I interferon responseCytosolic nucleic acidsType I interferonActivated T cellsNon-tumor tissuesI interferon response