🏛️ Verified NIH Record • Updated 2026-03-19
CARNIVAL Study: Gut Flora Dependent Metabolism of Dietary CARNItine and Phosphatidylcholine and cardioVAscuLar Disease (NCT01731236)
🔵 Active, Not Recruiting Early Phase1 💊 Investigational Drug / Biologic Sponsor: The Cleveland Clinic
🩺 Plain-English Summary (8th-Grade Level)
The principal goal for the study is to examine the role gut flora plays in modulating metabolism of dietary carnitine and choline in humans.
Who can join: Review the eligibility criteria below.
Location: Cleveland Clinic — Cleveland, Ohio
Age range: 18 Years
🧪 Interventions in This Study
📋 "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)
- Cleveland Clinic — Cleveland, Ohio
📞 Contact the Study Coordinator
Phone: (866) 223-8100
Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.
💰 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.
More studies in Dietary Modification
- Gut Flora Metabolite Reduction After Dietary Intervention (GRADY) — Cleveland, Ohio
Explore by condition: All Dietary Modification clinical trials
💡 How to Participate
- Check the checklist above to see if you may qualify.
- Contact the study coordinator using the phone/email above.
- Ask about the visit schedule, what is covered at no cost, and any travel support.
- Confirm with your own doctor before making a decision.