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FDA halts review of CUTX-101 for pediatric Menkes disease due to manufacturing issues, despite positive results.
The FDA issued a Complete Response Letter for CUTX-101, a treatment for pediatric Menkes disease, citing manufacturing deficiencies at the production facility, though it did not question the drug’s safety or efficacy.
The decision, which halted the Priority Review, follows a September 2025 re-inspection.
Sentynl Therapeutics, now overseeing development, plans to address the issues and resubmit the application.
The drug showed positive clinical results, improving survival in early-treated patients.
If approved, Sentynl will transfer a Rare Pediatric Disease Priority Review Voucher to Cyprium Therapeutics, which is also eligible for royalties and up to $129 million in milestone payments.
La FDA interrumpe la revisión de CUTX-101 para la enfermedad pediátrica de Menkes debido a problemas de fabricación, a pesar de los resultados positivos.