14/04/2026 FDA Grants Fast Track to Daretabart for High‑Risk Neuroblastoma FDA sBLA Submission & NCCN Guideline Inclusion for BIZENGRI in NRG1 Fusion–Positive Cholangiocarcinoma Obsidian Therapeutics and Galera Therapeutics Announce Merger Agreement to advance OBX-115 TIL Therapy FDA Grants Fast Track to Daretabart for High‑Risk Neuroblastoma ( Ref ) Renaissance Pharma's Daretabart (hu1418K322A), a novel anti-GD2 monoclonal antibody, has received Fast Track status from the U.