Summary

RMC-7977 is a new pan-RAS inhibitor, exhibiting activity against various RAS mutations and demonstrated groundbreaking efficacy in pancreatic cancer patients. It functions by forming a tri-complex with RAS and cyclophilin A (CYPA), inhibiting the active state of both mutant and wild-type RAS. Neurofibromatosis type 1 (NF1) is a tumor pre-disposition syndrome caused by alterations in neurofibromin 1 (NF1), a suppressor of RAS, leading to hyperactive RAS pathway. Here, we investigated the preclinical effect of RMC-7977 on NF1-related tumors and demonstrated significant therapeutic efficacy in various NF1 xenograft mouse models, including malignant peripheral nerve sheath tumor (MPNST) and glioma

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