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Completed Phase 4 Interventional Results available

The Safety/Efficacy of Rifaximin With/Without Lactulose in Participants With A History of Recurrent Hepatic Encephalopathy

ClinicalTrials.gov ID: NCT01842581

Public ClinicalTrials.gov record NCT01842581. 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 May 11, 2026, 6:57 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

A Multicenter, Randomized, Open-Label, Active-Controlled, Trial to Evaluate the Safety and Efficacy of Rifaximin 550 mg With and Without Lactulose in Subjects With a History of Recurrent Overt Hepatic Encephalopathy

Study identification

NCT ID
NCT01842581
Recruitment status
Completed
Study type
Interventional
Phase
Phase 4
Lead sponsor
Bausch Health Americas, Inc.
Industry
Enrollment
222 participants

Conditions and interventions

Interventions

  • Lactulose Drug
  • Rifaximin Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
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
Jan 7, 2013
Primary completion
Dec 16, 2014
Completion
Dec 16, 2014
Last update posted
Sep 8, 2019

2013 – 2014

United States locations

U.S. sites
43
U.S. states
22
U.S. cities
38
Facility City State ZIP Site status
Banner Research Phoenix Arizona 85016
Southern California Liver Centers Coronado California 92118
UCSF/Fresno - CRMC Fresno California 93721
UCSD Clinical & Translational Research Institute La Jolla California 92037
Salix Site Long Beach California 90822
Inland Empire Liver Foundation Rialto California 92377
Salix Site Riverside California 92501
Salix Site San Diego California 92103
Salix Site San Francisco California 94115
University of Colorado Denver Aurora Colorado 80045
South Denver GI Englewood Colorado 80113
University of Florida Hepatology Gainesville Florida 32610-0277
Tampa General Medical Group Tampa Florida 33605
Gastroenterology Associates Macon Georgia 31201
Salix Site Chicago Illinois 60611
Indiana University Indianapolis Indiana 46202
Central Iowa Hospital Corp Des Moines Iowa 50309-1453
Salix Site Jefferson Louisiana 70124
Delta Research Partners, LLC Monroe Louisiana 71201
The Center for Liver and Biliary Disease Baltimore Maryland 21202-2165
Brigham and Women's Hospital Division of Gastroenterology & Hepatology Boston Massachusetts 02115
Mayo Clinic Rochester Minnesota 55905
Kansas City Research Institute Kansas City Missouri 64131
St. Louis University St Louis Missouri 63104
Univ. of Nebraska Medical Center Omaha Nebraska 68198-3285
Concorde Medical Group PLLC New York New York 10016
New York University Medical Center New York New York 10016
Salix Site New York New York 10016
Columbia University Medical Ctr. Center for Liver Disease & Transplantation New York New York 10032
University of Rochester Strong Memorial Hospital Rochester New York 14642
Asheville Gastroenterology Associates, PA Asheville North Carolina 28801
UNC School of Medicine/Division of Gastroenterology and Hepatology Chapel Hill North Carolina 27599-7584
Carolina Medical Center Charlotte North Carolina 28204
Integris Nazh Zuhdi Transplant Institute Oklahoma City Oklahoma 73112
Albert Einstien Medical Center Philadelphia Pennsylvania 19141
Research Specialists of Texas Houston Texas 77030
Amcare Research Inc Houston Texas 77090
Salix Site Odessa Texas 79761
Alamo Medical Research San Antonio Texas 78215
Methodist Hospital San Antonio Texas 78229
University of Utah Hospital Salt Lake City Utah 84132
VCU/MCV Health Systems Richmond Virginia 23298
University of Wisconsin Hospital & Clinics Madison Wisconsin 53792

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 NCT01842581, 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 Sep 8, 2019 · Synced May 11, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01842581 live on ClinicalTrials.gov.

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