Signals
2SignalApr 29, 2026FDA
FDA approves leucovorin calcium as first treatment for CFD-FOLR1
The FDA has approved expanded use of Wellcovorin (leucovorin calcium) tablets for cerebral folate deficiency caused by confirmed FOLR1 gene variants, marking the first approved treatment for this rare neurological condition in adults and children.
RegulatoryGeneticsDiagnosisAccess
SignalApr 26, 2026FDA · regulatory-body · peer-reviewed
Newborn screening expansion is uneven across US states
RUSP additions tell only half the story - state-level implementation timelines stretch the diagnostic-to-treatment gap, and the variation has consequences for treatment-eligibility windows in time-sensitive rare disease.
DiagnosisNewborn screeningAccessRegulatory