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Completed Phase 1Phase 2 Interventional Results available

Efficacy and Safety of Rifaximin With NAC in IBS-D

ClinicalTrials.gov ID: NCT04557215

Public ClinicalTrials.gov record NCT04557215. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 24, 2026, 2:51 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Evaluation of the Efficacy and Safety of Rifaximin in Combination With N-acetylcysteine (NAC) in Adult Patients With Irritable Bowel Syndrome With Diarrhea

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Randomized, prospective proof of concept, double-blind, single site clinical trial to determine the efficacy of combined rifaximin and N-acetylcysteine (NAC) therapy vs. rifaximin alone in decreasing clinical symptoms in subjects with IBS-D.

Study identification

NCT ID
NCT04557215
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1, Phase 2
Enrollment
45 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 75 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Nov 13, 2020 (Actual)
Primary completion
Aug 31, 2021 (Actual)
Completion
Oct 30, 2022 (Actual)
Last update posted
Mar 28, 2023

2020 – 2022

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Cedars-Sinai Medical Center Los Angeles California 90048 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04557215, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Mar 28, 2023 · Synced Oct 24, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04557215 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →