Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 2, 2026, 3:50 AM EDT

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Showing 1–12 of 12 matching trials from the live ClinicalTrials.gov search.
Conditions
Hepatic Encephalopathy
Interventions
Rifaximin
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years and older
Enrollment
322 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
31
States / cities
Birmingham, Alabama • Aurora, California • Fresno, California + 28 more
Conditions
Irritable Bowel Syndrome With Diarrhea
Interventions
open-label rifaximin, double-blind placebo, double-blind rifaximin
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years and older
Enrollment
2,583 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
293
States / cities
Anniston, Alabama • Birmingham, Alabama • Dothan, Alabama + 226 more
Completed Phase 2 Interventional Results available

Trial of Rifaximin in Probable Alzheimer's Disease

NCT03856359
Conditions
Alzheimer's Disease
Interventions
Rifaximin 550 milligrams (MG)
Drug
Lead sponsor
Duke University
Other
Eligibility
55 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Transit Time and Bacterial Overgrowth Using SmartPill Capsule

NCT00577772
Conditions
Small Bowel Bacterial Overgrowth, Gastrointestinal Diseases, Stomach Diseases, Digestive System Diseases
Interventions
Xifaxan, SmartPill, Lactulose hydrogen breath test (H_2BT)
Drug · Device · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Scottsdale, Arizona
Conditions
Human Gastrointestinal Physiology Data
Interventions
Glucotrol XL 5Mg Extended-Release Tablet, Glipizide ER 5 MG 24 HR Extended Release Oral Tablet, Rifaximin 200Mg Tab, 13C6-Glipizide
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Diarrhea, Gastroenteritis, Bacterial Infection, Acute Diarrhea
Interventions
Rifaximin 200 mg Tablet, Oral Rehydration Therapy (ORT)
Drug · Other
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
6 Years to 12 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
10
States / cities
Lynwood, California • Hialeah, Florida • Miami, Florida + 6 more
Conditions
Minimal Hepatic Encephalopathy
Interventions
rifaximin
Drug
Lead sponsor
Hunter Holmes Mcguire Veteran Affairs Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Richmond, Virginia
Conditions
Parkinson's Disease
Interventions
Rifaximin
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Scottsdale, Arizona
Conditions
Hepatic Encephalopathy, Cirrhosis
Interventions
Rifaximin, Lactulose
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years and older
Enrollment
222 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
43
States / cities
Phoenix, Arizona • Coronado, California • Fresno, California + 35 more
Conditions
Severe Hepatic Impairment
Interventions
Rifaximin
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Hepatic Cirrhosis, Hepatic Encephalopathy (HE)
Interventions
MNK6106, Rifaximin
Drug
Lead sponsor
Mallinckrodt
Industry
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
4
States / cities
Coronado, California • Rialto, California • St. Petersburg, Florida + 1 more
Conditions
Microscopic Colitis
Interventions
Rifaximin 550mg
Drug
Lead sponsor
Eugene F Yen, MD
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Evanston, Illinois