At a glance
ClinicalIndex Comparison RecordPhase 3Completed· 89 enrolled
Drug / intervention
sapropterin dihydrochloride, 6R-BH4, tetrahydrobiopterindrug
Likely dose
Not stated in record
Key inclusion· 5
- ✓Age 8 years or older
- ✓Completed at least 7 of 8 doses in prior Study PKU-001
- ✓Demonstrated responsiveness to Phenoptin™ (≥30% reduction in blood phenylalanine from baseline in prior study)
- ✓Current blood phenylalanine level ≥450 μmol/L at screening
Key exclusion· 6
- ✕ALT >5× upper limit of normal (WHO Grade 3 or higher) at screening
- ✕Concurrent disease interfering with study participation or safety (seizure disorder, oral steroid-dependent asthma or other corticosteroid-dependent condition, insulin-dependent diabetes, or organ transplant recipient)
- ✕Serious neuropsychiatric illness not currently under medical management (e.g., major depression)
- ✕Requirement for concomitant treatment with folate synthesis inhibitors (e.g., methotrexate)
Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.
A Phase 3, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Safety and Efficacy of Phenoptin™ in Subjects With Phenylketonuria Who Have Elevated Phenylalanine Levels
In Brief
A Phase 3 clinical trial evaluating sapropterin dihydrochloride, 6R-BH4, tetrahydrobiopterin for Phenylketonurias. Completed, enrolled 89 participants across 13 sites.
Detailed Summary
The primary objective of this study is to evaluate the efficacy of Phenoptin™ (sapropterin dihydrochloride) in reducing blood phenylalanine (Phe) levels in subjects with phenylketonuria.
Study Details
Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsPhenylketonurias
CountriesUnited States
Collaborators--
Timeline
Phase 3CompletedFinished
20052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027
First PostedFeb 2005
Enrollment StartMar 2005
Study CompletionFeb 2006
TodayJul 2026
First PostedFeb 25, 2005
Enrollment StartMar 1, 2005
Study CompletionFeb 1, 2006
TodayJul 2, 2026
Posted 21.4 years ago
Interventions
sapropterin dihydrochloride, 6R-BH4, tetrahydrobiopterindrug