Relay Therapeutics (NasdaqGM:RLAY) 2025 Conference November 19, 2025 06:30 AM ET Company ParticipantsPeter Rahmer - Chief Corporate Development OfficerSanjiv Patel - CEOConference Call ParticipantsZaki Molvi - Senior Biotech Equity Research AnalystZaki MolviAll right, good morning, everyone. Thank you so much for attending. My name is Zaki Molvi. I'm an associate on Akash Tewari's team, and I'm here with the Relay Therapeutics team. We've got Sanjiv and Pete. I'll let them give some opening remarks, and the ...

Summary of the Conference Call Company Overview - The conference call features Relay Therapeutics, focusing on their Dynamo platform and pipeline strategy, particularly in the biotechnology sector [1][2]. Key Points on the Dynamo Platform and Pipeline - The Dynamo platform integrates computational and experimental techniques for drug discovery, leading to several programs entering clinical trials [2]. - Relay has streamlined its research portfolio to focus on generating clinical data and value for stakeholders due to current capital market conditions [2]. - The company has cash reserves projected to last until 2029, providing a strong runway for upcoming clinical catalysts [4]. Pipeline Developments - The FGFR2 program has been out-licensed to Elavar, which is expected to file an NDA soon [3][40]. - The PI3K alpha mutant selective program (ROI 2,608) is set to begin a pivotal Phase III trial, targeting a large patient population [3]. - Other pipeline assets include a vascular malformations program and two assets nearing IND status: an NRAS selective program and a fibrous program [3]. Clinical Data and Competitive Landscape - The PI3K alpha inhibitor targets a large patient population with a 40% mutation rate in hormone receptor-positive, HER2-negative breast cancer [5]. - Current therapies have shown a progression-free survival (PFS) of 5-7 months, while Relay's data indicates a PFS of over 10 months in heavily pretreated patients [11][15]. - The company aims to differentiate itself from competitors like AstraZeneca's capivasertib, which has a PFS benchmark of 5.5 months [14][15]. Safety and Efficacy - Relay's PI3K alpha inhibitor has demonstrated a clean safety profile with low rates of common toxicities associated with non-selective inhibitors [12]. - The confirmed objective response rate across all PI3K alpha mutations is 39%, with a 67% response rate in a subset of kinase domain mutations [11]. Future Trials and Strategy - The Phase III trial will focus on patients pretreated with CDK4/6 inhibitors, with plans to explore triplet combinations for earlier lines of therapy [16][24]. - The company is also considering expanding into other tumor types beyond breast cancer, such as colon and lung cancers, but will maintain focus on the current pivotal trials [31]. Vascular Malformations Program - Relay is targeting vascular malformations, a condition affecting approximately 300,000 patients in the US, with a focus on two phenotypes: PI3K-related overgrowth spectrum and lymphatic malformations [33][34]. - The company acknowledges the need for education and identification of patients due to the broad manifestations of the condition [38][39]. Manufacturing and Commercialization - Manufacturing for the small molecules is outsourced, allowing flexibility in scaling up production as needed [48]. - The company is preparing for potential commercial supply for ROI 2608, anticipating a launch later this decade [48]. Research and Development Focus - Relay is committed to generating proof of concept data and engaging with the FDA regarding accelerated approval pathways for their programs [36][46]. - The company emphasizes the importance of tangible clinical data and successful execution of pivotal trials as key to their strategy [55]. Conclusion - Relay Therapeutics is positioned strongly within the biotechnology sector, focusing on innovative drug discovery and development, with a clear strategy for clinical trials and commercialization. The company is optimistic about its pipeline and the potential for significant advancements in treating various cancers and vascular malformations [55].