Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 2 Interventional

Safety and Efficacy of AST-120 Compared to Lactulose in Patients With Hepatic Encephalopathy

ClinicalTrials.gov ID: NCT00558038

Public ClinicalTrials.gov record NCT00558038. 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 Jul 22, 2026, 8:55 PM EDT

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

Official title

Comparison of Different Treatment Regimens in Patients With Stage 1-2 Type C Hepatic Encephalopathy: AST-120 vs Lactulose

Study identification

NCT ID
NCT00558038
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Ocera Therapeutics
Industry
Enrollment
40 participants

Conditions and interventions

Interventions

  • AST-120 Drug
  • lactulose Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 70 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
Aug 31, 2007
Primary completion
Feb 28, 2009
Completion
May 31, 2009
Last update posted
May 29, 2014

2007 – 2009

United States locations

U.S. sites
17
U.S. states
11
U.S. cities
14
Facility City State ZIP Site status
University of Alabama Birmingham Alabama 35294
Cedars Sinai Medical Center Los Angeles California 90048
Scripps Clinic San Diego California 92037
Veterans Medical Center San Diego San Diego California 92161
Washington Hospital Center - MedStar Research Institute Washington D.C. District of Columbia 20010
Digestive Healthcare of Georgia Atlanta Georgia 30309
University of Chicago Chicago Illinois 60637
Tulane University Health Sciences Center New Orleans Louisiana 70112
University of Massachusetts Medical School Worchester Massachusetts 01655
Weill Medical College of Cornell New York New York 10021
Mount Sinai School of Medicine New York New York 10029
Cleveland Clinic Foundation Cleveland Ohio 44195
Baylor University Medical Center Dallas Texas 75246
Baylor University Medical Center Houston Texas 77030
St. Luke's Advanced Liver Therapies / St. Luke's Texas Liver Coalition - Baylor College of Medicine Houston Texas 77030
Metropolitan Research Fairfax Virginia 22031
McGuire VA Medical Center Richmond Virginia 23249

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 NCT00558038, 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 May 29, 2014 · Synced Jul 22, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00558038 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →