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Hidden weight problem: PKU adults face higher obesity risk, scientists investigate why

NCT ID NCT07703020

ENROLLING_BY_INVITATION Knowledge-focused Sponsor: Christel Tran Source: ClinicalTrials.gov ↗

First seen Jul 14, 2026 · Last updated Jul 15, 2026 · Updated 1 time

Summary

This observational study looks at how common overweight and obesity are in adults with phenylketonuria (PKU) and what factors might contribute. Researchers will collect clinical data, lab results, and questionnaire responses on diet, exercise, and mental health from 100 adults at metabolic centers in Switzerland and Austria. The goal is to better understand weight gain in PKU to help design future prevention strategies.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to
If successful, this study could identify key risk factors for obesity in adults with PKU, pointing toward better preventive strategies and tailored dietary guidance.
What could go wrong
As a small, cross-sectional pilot study, it can only show associations, not causes. Results may not apply to all PKU patients or lead to clear interventions.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Obesity phenylketonuria

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

PHENYLKETONURIA (PKU)

Contacts and locations

Locations

  • Lausanne University Hospital

    Lausanne, Canton of Vaud, 1011, Switzerland

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