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.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 16 Years and up |
| Sex | All |
| Enrollment | 45 (estimated) |
| Sponsor | Emory University Academic / other |
| Locations | 2 sites (Atlanta, Georgia and 1 other locations) |
| Status | Recruiting |
| Started | October 8, 2019 |
| Main results expected | December 2028 |
| Study ends | December 2028 |
| Registry record updated | January 14, 2026 |
| Trial ID | NCT04404530 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
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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.
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Walking program for children with fatty liver and phenylketonuria
This study is testing if a daily online walking program can help children with phenylketonuria and fatty liver feel better and improve their health.
-
Evaluating NGGT002 for treating adult Phenylketonuria
This study is testing a new gene therapy called NGGT002 to see if it can safely help adults with classic Phenylketonuria lower their blood phenylalanine levels.
-
New psychological tools and anxiety intervention for adolescents with PKU
This study is testing a new online program to help teenagers with PKU manage anxiety and depression better over 10 weeks.
-
Evaluating Large Neutral Amino Acids for Treating Phenylketonuria
This study is testing if Large Neutral Amino Acids can be a better treatment for adults with Phenylketonuria than the usual diet that limits phenylalanine.
-
Gene therapy for adults with classic Phenylketonuria
This study is testing a new gene therapy called NGGT002 to see if it can help adults with classic Phenylketonuria feel better and manage their condition.
-
Investigating the impact of dietary guidelines on well-being in patients with Phenylketonuria
This study looks at how following dietary guidelines affects the health and well-being of people with Phenylketonuria (PKU) who are 10 years and older.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.