Tyra Biosciences Gets Rare Pediatric Designation

FDA has granted Tyra Biosciences a rare pediatric disease designation for TYRA-300, an oral FGFR3 selective inhibitor for treating achondroplasia, the most common form of dwarfism. “A specific DNA mutation in FGFR3 causes an estimated 99% of achondroplasia,” the company says. Tyra is planning to submit an IND in the second half of this year to begin a randomized Phase 2 clinical trial evaluating multiple dose cohorts of TYRA-300 for children with achondroplasia.TYRA-300 is also being evaluated in an oncology open label Phase 1/2 clinical study, SURF301, to determine the optimal dose for treating solid tumors, according to the company.

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