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Gastroenteritis clinical trials recruiting in the U.S.
5 studies for Gastroenteritis are recruiting participants at sites across the United States.
Stomach flu (gastroenteritis) is an inflammation of the intestines that causes diarrhea, pain, vomiting or fever. Learn what you can do to prevent it.
Recently updated studies
Rifaximin 200 mg Plus Oral Rehydration vs Oral Rehydration Alone in Children With Acute Diarrhea
RecruitingPhase 4
Ages 6 to 12 · All sexes · Updated Aug 13, 2026 · NCT07285785Autologous Stem Cell Transplant for Crohn's Disease
RecruitingPhase 2
Ages 18 and older · All sexes · Updated Jul 24, 2026 · NCT03219359Diagnosis of Abdominal Pain Using RNA Levels: The NATURAL Study
RecruitingObservational studyHealthy volunteers welcome
Ages 7 and older · All sexes · Updated May 12, 2026 · NCT07579312Fortified Oral Rehydration Therapy for Pediatric Diarrhea
RecruitingPhase 1/2
6 Months – 5 Years · All sexes · Updated Feb 12, 2026 · NCT06137014Follow-up Automatically vs. As-Needed Comparison (FAAN-C) Trial
Recruiting
Up to age 18 · All sexes · Updated Dec 10, 2025 · NCT05471908From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.