IDEAYA Biosciences Completes Targeted Full Enrollment in Randomized Pivotal Phase 2/3 Trial (OptimUM-02) of Darovasertib in Combination with Crizotinib in First-line HLA*A2-Negative Metastatic Uveal Melanoma

Core Insights - IDEAYA Biosciences has completed the targeted enrollment of 435 patients in the Phase 2/3 trial (OptimUM-02) for darovasertib in combination with crizotinib for treating first-line HLA*A2-negative metastatic uveal melanoma [1][2] - The company anticipates reporting median progression-free survival (PFS) data in Q1 2026 to support a potential accelerated approval filing in the U.S. [1][6] - Darovasertib has received FDA Breakthrough Therapy Designation and Fast Track designation for its use in metastatic uveal melanoma [4] Trial Details - The OptimUM-02 trial is a multi-arm, multi-stage, open-label study comparing the darovasertib and crizotinib combination against investigator's choice of treatment [3] - Primary endpoints include median PFS and median overall survival (OS), which will support potential accelerated and full approval filings in the U.S. [3] - Previous data from the Phase 1/2 trial (OptimUM-01) indicated a median OS of 21.1 months and median PFS of 7.0 months for the combination treatment [3] Regulatory Designations - Darovasertib has been designated as an Orphan Drug by the U.S. FDA for uveal melanoma, including metastatic cases [4] - The company is also enrolling patients in a pivotal Phase 3 trial of single-agent darovasertib in the neoadjuvant setting for primary uveal melanoma (OptimUM-10) [4] Company Overview - IDEAYA Biosciences focuses on precision medicine in oncology, aiming to develop transformative therapies for cancer through a combination of drug discovery, structural biology, and bioinformatics [5] - The company has a pipeline targeting synthetic lethality and antibody-drug conjugates for solid tumor indications [5]