🏛️ Verified NIH Record • Updated 2026-07-02
Precision Nutrition and Metabolic Function (NCT04131166)
🔵 Active, Not Recruiting Observational / Diagnostic 🧠 Behavioral & Psychological Program Sponsor: Washington University School of Medicine
🩺 Plain-English Summary (8th-Grade Level)
The purposes of this study are: 1) to determine the mechanisms responsible for the development of cardiometabolic complications in some, but not all people with obesity; 2) determine the best dietary approach for cardiometabolic health; and 3) understand why some people have a stable metabolic phenotype over time whereas cardiometabolic health improves or worsens in others.
Who can join: Review the eligibility criteria below.
Location: Washington University School of Medicine — St Louis, Missouri
Age range: 18 Years to 55 Years
🧪 Interventions in This Study
- Mediterranean diet (BEHAVIORAL)
- Low-carbohydrate, ketogenic diet (BEHAVIORAL)
- Low-fat diet (BEHAVIORAL)
- Annual follow-up testing for 5 years (OTHER)
📋 "Do I Qualify?" — 1-Minute Self Screener
Instant ChecklistFull eligibility criteria are available on the official NIH protocol. View the criteria ↗
📍 All Participating Trial Locations (1 Sites)
- Washington University School of Medicine — St Louis, Missouri
💰 Cost, Insurance & Patient Rights
- 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
- Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
- Voluntary Participation: You may withdraw at any time without affecting your standard medical care.
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Explore by condition: All Obesity clinical trials
💡 How to Participate
- Check the checklist above to see if you may qualify.
- Review the official NIH record below to find the coordinating site.
- Ask about the visit schedule, what is covered at no cost, and any travel support.
- Confirm with your own doctor before making a decision.