IDEAYA Biosciences Announces Successful FDA Type D Meeting on Phase 3 Registrational Trial Design for Darovasertib as Neoadjuvant Therapy for Primary Uveal Melanoma

Core Insights - IDEAYA Biosciences announced a successful FDA Type D meeting regarding the Phase 3 trial design for darovasertib as a neoadjuvant therapy for primary uveal melanoma (UM) [1][2] - The trial aims to assess safety and efficacy with primary endpoints focused on eye preservation and vision loss, alongside secondary endpoints related to Event-Free Survival (EFS) [2][6] Company Overview - IDEAYA Biosciences is a precision medicine oncology company dedicated to developing targeted therapeutics through molecular diagnostics [8] - The company integrates capabilities in identifying translational biomarkers with drug discovery to optimize patient selection for its therapies [8] Drug Development Details - Darovasertib is a selective protein kinase C (PKC) inhibitor targeting both primary and metastatic UM [3] - The drug has received Breakthrough Therapy Designation and Fast Track designation from the FDA for its use in neoadjuvant therapy and in combination with crizotinib for metastatic UM [3] Phase 3 Trial Design - The Phase 3 trial is projected to enroll approximately 520 patients, randomized in a 2:1 ratio between darovasertib and control [5][6] - Two cohorts will be included: 120 enucleation-eligible UM patients and 400 plaque brachytherapy (PB) eligible UM patients [5][6] Clinical Endpoints - Primary endpoints include eye preservation rate for enucleation patients and vision loss for PB patients, with no detriment to EFS as a secondary endpoint [6][7] - Additional secondary endpoints will assess overall response rate, macular edema, and vision loss metrics [7] Regulatory Pathway - The company plans to initiate the Phase 3 trial in the first half of 2025, with potential for earlier regulatory submission of enucleation cohort data [4][11]