Core Insights - IDEAYA Biosciences has initiated a Phase 1/2 expansion clinical trial for IDE397, a potential first-in-class MAT2A inhibitor, in combination with Gilead's Trodelvy for treating MTAP-deletion urothelial cancer based on preliminary safety and efficacy data [1][10]. Company Overview - IDEAYA Biosciences is focused on precision medicine in oncology, aiming to discover and develop targeted therapeutics using molecular diagnostics to identify patient populations that would benefit most from its therapies [8]. Clinical Development - The combination of IDE397 and Trodelvy is being explored due to the high unmet medical need in MTAP-deletion urothelial cancer, where no approved therapies currently exist [3]. - The prevalence of MTAP-deletion in urothelial cancer is estimated to be around 26% [2][10]. - A clinical program update regarding the IDE397 and Trodelvy combination is expected in 2025, alongside other studies for IDE397 as a monotherapy in MTAP-deletion non-small cell lung cancer (NSCLC) and urothelial cancer [5]. Collaboration and Rights - IDEAYA and Gilead retain commercial rights to their respective compounds under a clinical study collaboration and supply agreement, with IDEAYA acting as the study sponsor [6].

Group 1 - IDEAYA Biosciences, Inc. is participating in two upcoming investor relations events, including the 2025 RBCCM Ophthalmology Conference and the Stifel 2025 Virtual Targeted Oncology Forum [1] - The company will have fireside chats featuring its President and CEO Yujiro S. Hata and Chief Medical Officer Darrin Beaupre, hosted by industry analysts [1] - A live audio webcast of these events will be available on the IDEAYA website, with a replay accessible for 30 days post-event [1] Group 2 - IDEAYA is focused on precision medicine in oncology, developing targeted therapeutics based on molecular diagnostics [2] - The company's strategy includes identifying and validating translational biomarkers to select patient populations that are most likely to benefit from its therapies [2] - IDEAYA is particularly engaged in synthetic lethality, which is an emerging area in precision medicine targeting [2]