Overview Evaluation of BH4 Responsiveness in Our PKU Patients Status: ACTIVE_NOT_RECRUITING Trial end date: 2026-09-01 Target enrollment: Participant gender: Summary This study aims to evaluate BH4 responsiveness in our PKU patients and to correlate BH4 responsiveness with their genotypePhase: PHASE1 Details Lead Sponsor: Sohag UniversityTreatments: sapropterin