Latest Rare Disease Therapeutics News

Neuren Pharmaceuticals’ partner Acadia secures FDA approval for DAYBUE STIX, a new powder formulation of trofinetide offering greater flexibility for Rett syndrome patients. This milestone expands treatment options and sets the stage for increased royalty revenue in 2026.

PYC Therapeutics has reported encouraging pre-clinical results for its RNA therapy candidate PYC-002 targeting Phelan-McDermid Syndrome, supporting plans to enter human trials in 2026. The data demonstrate safety, brain distribution, and gene expression restoration in key disease regions.

Dimerix has inked an exclusive US licensing agreement with Amicus Therapeutics for DMX-200, a promising Phase 3 treatment for FSGS, unlocking $30 million upfront and up to $560 million in milestones.