Revolution Medicines and Summit Therapeutics Enter into Clinical Collaboration to Evaluate Combinations of Three RAS(ON) Inhibitors with Ivonescimab in RAS Mutant Tumors

Core Insights - Revolution Medicines and Summit Therapeutics have entered a clinical collaboration to evaluate the safety and efficacy of RAS(ON) inhibitors in combination with Summit's ivonescimab across multiple solid tumor types [1][2][3] Company Overview - Revolution Medicines is a late-stage clinical oncology company focused on developing targeted therapies for RAS-addicted cancers, with a pipeline that includes daraxonrasib (RMC-6236), elironrasib (RMC-6291), and zoldonrasib (RMC-9805) [4] - Summit Therapeutics is a biopharmaceutical oncology company dedicated to developing patient-friendly therapies aimed at improving quality of life and addressing unmet medical needs [5][6] Clinical Collaboration Details - The collaboration will assess combinations of RAS(ON) inhibitors with ivonescimab in three priority tumor types: RAS mutant non-small cell lung cancer (NSCLC), pancreatic ductal adenocarcinoma (PDAC), and colorectal cancer (CRC) [2] - Under the agreement, Summit will provide ivonescimab for clinical research, while Revolution Medicines will act as the study sponsor, with both companies retaining commercial rights to their respective compounds [2] Drug Development Insights - Initial evidence suggests that daraxonrasib and elironrasib can provide additive antitumor activity when combined with a PD-1 antibody in first-line treatment for RAS mutant non-small cell lung cancer [2] - The collaboration aims to explore the therapeutic potential of combining investigational drugs from Revolution's RAS(ON) inhibitor portfolio with Summit's advanced PD-1 / VEGF bispecific inhibitor [3]