Erasca, Inc., a clinical-stage precision oncology company, focuses on discovering, developing, and commercializing therapies for patients with RAS/MAPK pathway-driven cancers. The company's lead product is naporafenib which is in phase 1b trial for patients with RAS Q16X solid tumors and plans to initiate a pivotal Phase 3 trial for patients with NRASm melanoma. It also develops ERAS-007, an oral inhibitor of ERK1/2 for the treatment of non-small cell lung and colorectal cancer, and advanced gastrointestinal malignancies; and ERAS-601, an oral SHP2 inhibitor for patients with advanced or metastatic solid tumors. In addition, it is developing ERAS-801, a central nervous system-penetrant EGFR inhibitor which is in phase 1 clinical trials for the treatment of patients with recurrent glioblastoma multiforme. The company entered into license agreement with Novartis to develop, manufacture, use, and commercialize naporafenib; Katmai Pharmaceuticals, Inc. to develop, manufacture, use, and commercialize ERAS-801 and certain other related compounds; and NiKang Therapeutics, Inc. to develop and commercialize ERAS-601 and certain other related compounds. Erasca, Inc. was incorporated in 2018 and is headquartered in San Diego, California.