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Rifaximin 200 mg Plus Oral Rehydration vs Oral Rehydration Alone in Children With Acute Diarrhea

NCT07285785 · Status: RECRUITING · Phase: PHASE4 · Type: INTERVENTIONAL · Enrollment: 54

Last updated 2026-03-18

No results posted yet for this study

Summary

The goal of this clinical trial is to learn how rifaximin 200 mg is processed in the body (pharmacokinetics) in children 6 to 11 years old with acute diarrhea that may be caused by bacteria. It will also learn about the safety and effectiveness of rifaximin when given with oral rehydration therapy (ORT) compared with ORT alone. The main questions it aims to answer are:

How does rifaximin 200 mg move through and leave the body in children with acute diarrhea?

Is rifaximin safe for children in this age group?

Does rifaximin plus ORT help resolve diarrhea faster than ORT alone?

Researchers will compare rifaximin plus ORT to ORT alone to see if adding rifaximin improves outcomes.

Participants will:

Take one rifaximin 200 mg tablet + ORT three times a day for 3 days or receive ORT alone

Receive oral rehydration therapy according to the investigator's standard of care

Attend up to 4 clinic visits over 5 days and receive 4 follow-up phone calls

Provide blood samples on Day 1 and Day 3 for pharmacokinetic testing (rifaximin group only)

Provide stool samples to identify bacterial pathogens

Keep a diary of stool frequency and consistency to help determine when diarrhea resolves

Be monitored for side effects, vital signs, and laboratory changes

Conditions

Interventions

DRUG

Rifaximin 200 mg Tablet

Participants receive rifaximin 200 mg tablets orally three times daily (TID) for 3 days in combination with oral rehydration therapy (ORT). Blood samples for pharmacokinetic analysis are collected on Day 1 and Day 3 at pre-dose, 1 hour post-dose, and 8 hours post-dose.

OTHER

Oral Rehydration Therapy (ORT)

Participants receive oral rehydration solution according to the investigator's standard of care. This is administered either alone (for the ORT-alone arm) or in combination with rifaximin (for the rifaximin + ORT arm). Participants or caregivers complete a daily diary documenting stool frequency, stool consistency, and related symptoms.

Sponsors & Collaborators

  • Bausch Health Americas, Inc.

    lead INDUSTRY

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
6 Years
Max Age
12 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-02-11
Primary Completion
2027-04-20
Completion
2027-07-31
FDA Drug
Yes

Countries

  • United States

Study Locations

More Related Trials

Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07285785 on ClinicalTrials.gov