UCI Health Jun 23 2026 Reviewed UCI Health, the clinical enterprise of the University of California, Irvine, has opened the world's first in-human embryonic stem cell-derived clinical trial for Huntington's disease. The phase 1b/2a trial will evaluate the safety of hNSC-01 neural stem cells derived from embryonic stem cells which are precisely delivered to the brain by a specialized neurological mapping and targeting stereotactic system and performed in an MRI suite. The trial is the result of