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RecruitingPhenylketonuria (PKU)

A Long-Term Study of JNT-517 in Participants With Phenylketonuria

Eligible age

4+ yrs

Accepts

All genders

Locations

5 states

Healthy volunteers

No

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About this study

The goal of this Phase 3, open-label study is to evaluate the long-term safety of JNT-517 in pediatric and adult participants with Phenylketonuria (PKU) after completion of either Study JNT517-101 (NCT05781399) or JNT517-201 (NCT06637514) as well as participants who have not participated in a prior JNT-517 study. In this trial, all participants will receive JNT-517 using age- and weight-banded dosing as outlined in the protocol, regardless of any dose received in a previous study.

Sponsor: Otsuka Pharmaceutical Development & Commercialization, Inc.

Where it's recruiting

Florida

Gainesville · Tampa

Oregon

Portland

Pennsylvania

Pittsburgh

Texas

Dallas · Houston

Utah

Salt Lake City

Source: ClinicalTrials.gov · NCT06628128 · last updated 2026-05-01

A Long-Term Study of JNT-517 in Participants With Phenylketonuria · TrialPath