Clinical trial Recruiting at 2 sites Observational Ages 16 and up

Effects of Palynziq on diet and health in patients with PKU

Official title: Palynziq and PKU: Treatment Impacts on Diet Quality, Neurological Health, Nutritional Status, and the Metabolome

Run by Emory University · NCT04404530 · Data updated 2026-11-12

This study is testing how the medication Palynziq affects the diet and overall health of people with PKU who are 16 and older.

More Phenylketonurias trials

Quick facts

Study typeObservational
Ages16 Years and up
SexAll
Enrollment45 (estimated)
SponsorEmory University
Academic / other
Locations2 sites (Atlanta, Georgia and 1 other locations)
StatusRecruiting
StartedOctober 8, 2019
Main results expectedDecember 2028
Study endsDecember 2028
Registry record updatedJanuary 14, 2026
Trial IDNCT04404530 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are individuals aged 16 and older diagnosed with PKU who are prescribed Palynziq.

Probably not a fit

Patients unable to provide consent or those with psychiatric or other inherited metabolic disorders may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study investigates the nutritional impacts of Palynziq, a newly approved medication for patients with Phenylketonuria (PKU). It aims to assess changes in diet quality, neurological health, nutritional status, and patient perceptions of mental and social health among individuals receiving Palynziq therapy. By capturing these effects, the study seeks to provide insights into how this treatment can improve metabolic control and overall well-being for PKU patients. Participants must be 16 years or older and enrolled in the Palynziq Risk Evaluation and Mitigation Strategy program.

Why it matters

Potential benefit: If successful, this study could lead to improved dietary flexibility and better health outcomes for patients with PKU.

How similar studies have gone: While there have been studies on dietary management in PKU, the specific impacts of Palynziq on nutritional and health outcomes are novel and not extensively tested.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* 16 years of age or older
* diagnosed with PKU through newborn screening or via diagnosis later in life
* capable of providing consent for medical tests and procedures
* prescription for Palynziq and be enrolled in the Palynziq Risk Evaluation and Mitigation Strategy (REMS) program
* Substudy: Participants must have completed visit 2 of the main study

Exclusion Criteria:

* unable to provide consent
* a diagnosis of, or take medication for psychiatric, behavioral, or other inherited metabolic disorders

Where it's running

  • Emory University Hospital Georgia Clinical Research Center
    Atlanta, Georgia, United States
    Recruiting
  • The Emory Clinic
    Atlanta, Georgia, United States
    Recruiting

Study contacts

  • Principal investigator: Rani Singh, PhD, RDN, LD — Emory University
  • Study coordinator: Rani Singh, PhD, RDN, LD
  • Email: rsingh@emory.edu
  • Phone: 778-404-8519

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.