BDTX-1535 Clinical Development - BDTX-1535 is a MasterKey therapy targeting families of oncogenic mutations, designed to expand the addressable patient population [4,5,8] - BDTX-1535 is in Phase 2 clinical trials for 2L/3L NSCLC with final data expected in H1 2026, and 1L NSCLC with initial data expected in Q4 2025 [9] - BDTX-1535 is also in Phase 0/1 clinical trials for GBM with initial data in newly diagnosed patients expected in H1 2026 [9] - Preliminary Phase 2 data shows a 42% ORR in recurrent NSCLC patients with PACC-NCM and/or C797S mutations [58] - The company anticipates FDA feedback on the approval pathway for BDTX-1535 in Q4 2025 [84] EGFR Mutations and Treatment Landscape - 23-30% of newly diagnosed EGFRm NSCLC patients carry non-classical mutations (NCMs) [14,17,28] - Real-world data shows that approximately 60% of 1L patients with EGFR-NCM NSCLC receive chemotherapy [21,22,28] - Median time on treatment for 1L NCM NSCLC is less than 8 months [23,28] - BDTX-1535 demonstrates high potency across the spectrum of NCMs and maintains activity where osimertinib loses potency [26,28,32,34] Financial Status - The company ended Q1 2025 with $152.4 million, providing a cash runway into Q4 2027 [5]

Company Overview - Black Diamond Therapeutics, Inc. is a clinical-stage oncology company focused on developing MasterKey therapies that target families of oncogenic mutations in cancer patients [3] - The company's MasterKey therapies aim to address a wide range of genetically defined tumors, overcome resistance, minimize wild-type mediated toxicities, and penetrate the brain to treat central nervous system diseases [3] Upcoming Events - The CEO, Mark Velleca, M.D., Ph.D., will participate in a fireside chat at the Jefferies Global Healthcare Conference on June 4, 2025, in New York, NY [1] - The company will also host one-on-one meetings with investors on the same day [1] Product Development - Black Diamond Therapeutics is advancing a Phase 2 trial for BDTX-1535, which is a brain-penetrant fourth-generation epidermal growth factor receptor (EGFR) MasterKey inhibitor targeting EGFR-mutant non-small cell lung cancer (NSCLC) and glioblastoma [3]