25 February 2025 - Company preparing to initiate Phase 3 pivotal trial.
GRIN Therapeutics today announced that the US FDA granted breakthrough therapy designation to radiprodil, the company's investigational, potent negative allosteric modulator selectively targeting the N-methyl-D-aspartate receptor subtype 2B (NR2B or GluN2B), for the treatment of seizures associated with GRIN-related neurodevelopmental disorder with gain of function mutations.