“ISM3091 represents a potentially best-in-class approach to inhibiting USP1, an important oncology target with broad applicability in BRCA-mutant tumors,” said Dana Aftab, Ph.D., Executive Vice President, Discovery and Translational Research and Chief Scientific Officer, Exelixis. “We believe preclinical data on ISM3091’s potent anti-tumor activity, tolerability, and pharmacokinetics set the compound apart from competing USP1 inhibitors and make it an important addition to Exelixis’ growing clinical-stage pipeline. Following the FDA’s clearance of Insilico’s IND earlier this spring, we’re looking forward to accelerating phase 1 trial enrollment.”