IDEAYA Biosciences (NasdaqGS:IDYA) FY 2025 Conference December 02, 2025 09:00 AM ET Company ParticipantsYujiro Hata - CEOJoshua Bleharski - CFOConference Call ParticipantsYigal Nochomovitz - Biotech AnalystYigal NochomovitzAll right. Okay. All right, welcome everyone to Day One of Citi's Global Healthcare Conference here in sunny and hopefully very warm Miami. I'm Yigal Nochomovitz, one of the biotech analysts at Citi. The first session today, it's my pleasure to have with me the management of IDEAYA Biosci ...

Core Insights - IDEAYA Biosciences has submitted an IND application to the FDA for IDE892, a potential best-in-class MTA-cooperative inhibitor of PRMT5, targeting MTAP-deleted lung cancer [1][2] - The company plans to initiate a Phase 1 dose escalation trial for IDE892 in Q4 2025 and aims to start combination trials with IDE397 in H1 2026 [1][6] Company Overview - IDEAYA is focused on precision medicine in oncology, developing transformative therapies for cancer through small-molecule drug discovery, structural biology, and bioinformatics [4] - The company has a robust pipeline targeting synthetic lethality and antibody-drug conjugates for molecularly defined solid tumor indications [4] Market Opportunity - Approximately 15-20% of non-small cell lung cancer (NSCLC) cases are MTAP-deleted, presenting a significant unmet need for targeted therapies [2] - The combination of IDE892 and IDE397 is expected to enhance anti-tumor activity, creating a promising combination therapy opportunity [2][3] Upcoming Events - IDEAYA will present the preclinical profile of IDE892 and its combination rationale with IDE397 at the 10-Year Anniversary R&D Day on September 8, 2025 [6]

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].