MAIA Biotechnology announced FDA's Rare Pediatric Disease Designation for THIO, its investigational drug for pediatric-type diffuse high-grade gliomas. THIO, with orphan drug designations for hepatocellular carcinoma, small-cell lung cancer, and glioblastoma, is in phase II trials for various cancers. MAIA's collaboration with Nationwide Children's Hospital demonstrated THIO's effectiveness with ionizing radiation in treating diffuse intrinsic pontine glioma, presented at AACR 2024. THIO activates innate and adaptive immune responses, offering a new approach to pediatric cancer treatment.