🏛️ Verified NIH Record • Updated 2025-11-18
Induction of Gut Permeability by an Oral Vaccine (NCT04083950)
🔵 Active, Not Recruiting Early Phase1 💊 Investigational Drug / Biologic Sponsor: USDA, Western Human Nutrition Research Center
🩺 Plain-English Summary (8th-Grade Level)
This study evaluates the effect of an oral typhoid vaccine on disruption of the intestinal barrier and response of the immune system. Intestinal and whole-body responses will be measured in all participants before and after the vaccine.
Who can join: Review the eligibility criteria below.
Location: USDA, ARS, Western Human Nutrition Research Center — Davis, California
Age range: 18 Years to 49 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)
- USDA, ARS, Western Human Nutrition Research Center — Davis, California
💰 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.
Explore by condition: All Intestinal Permeability 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.