...initial data from a phase 1 trial of RMC-4630 showed anti-tumor activity in tumors harboring diverse mutations in the RAS pathway including KRASG12C, KRASG12D, NF1LOF, and BRAF Class 3....Of the 80 efficacy evaluable patients, there was 1 CR (NF1LOF uterine carcinosarcoma), 1 PR (KRASG12C NSCLC), and 1 unconfirmed PR (KRASG12D NSCLC). Tumor regressions were observed in another 11 patients (-2.4% to -27.1%).