A Study to Evaluate the Long-Term Safety and Efficacy of JNT-517 in Participants With Phenylketonuria
Public ClinicalTrials.gov record NCT06628128. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
An Open-Label Extension Study to Evaluate the Long-Term Safety and Efficacy of JNT-517 in Participants With Phenylketonuria
Study identification
- NCT ID
- NCT06628128
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Otsuka Pharmaceutical Development & Commercialization, Inc.
- Industry
- Enrollment
- 45 participants
Conditions and interventions
Conditions
Interventions
- JNT-517 Tablet Drug
Drug
Eligibility (public fields only)
- Age range
- 12 Years and older
- Sex
- All
- Healthy volunteers
- Not listed
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Aug 10, 2025
- Primary completion
- Oct 31, 2027
- Completion
- Jan 31, 2028
- Last update posted
- Apr 20, 2026
2025 – 2028
United States locations
- U.S. sites
- 8
- U.S. states
- 5
- U.S. cities
- 7
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Florida (UF) Health Shands Hospital | Gainesville | Florida | 32608 | Recruiting |
| University of South Florida | Tampa | Florida | 33606 | Recruiting |
| Oregon Health and Science University | Portland | Oregon | 97239 | Recruiting |
| University of Pittsburgh Medical Center (UPMC) - Children's Hospital of Pittsburgh | Pittsburgh | Pennsylvania | 15224 | Recruiting |
| Children's Medical Center Dallas | Dallas | Texas | 75235 | Recruiting |
| University of Texas Southwestern Medical Center | Dallas | Texas | 75390 | Recruiting |
| University of Texas Health (UTHealth) Science Center at Houston | Houston | Texas | 77030 | Recruiting |
| Utah Health - The University of Utah Hospital | Salt Lake City | Utah | 84112 | Recruiting |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 4 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT06628128, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 20, 2026 · Synced Apr 22, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT06628128 live on ClinicalTrials.gov.