NCT00867698

Brief Summary

The purpose of this study is to determine whether AST-120 is safe and effective in the treatment of mild hepatic encephalopathy.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
148

participants targeted

Target at P75+ for phase_2

Timeline
Completed

Started Mar 2009

Shorter than P25 for phase_2

Geographic Reach
1 country

38 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 1, 2009

Completed
19 days until next milestone

First Submitted

Initial submission to the registry

March 20, 2009

Completed
4 days until next milestone

First Posted

Study publicly available on registry

March 24, 2009

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2010

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2010

Completed
Last Updated

June 18, 2014

Status Verified

June 1, 2014

Enrollment Period

1.1 years

First QC Date

March 20, 2009

Last Update Submit

June 2, 2014

Conditions

Keywords

Hepatic encephalopathyMild hepatic encephalopathyHEMHECognitive impairmentCognitive dysfunctionLiver DiseaseCirrhosis

Outcome Measures

Primary Outcomes (1)

  • Neurocognitive improvement, defined as the change in the global summary score of the RBANS at Week 8 compared to Baseline.

    8 weeks

Study Arms (4)

AST-120 (6g)

EXPERIMENTAL

2 grams TID

Drug: AST-120

Placebo A

PLACEBO COMPARATOR

2 grams TID

Drug: AST-120

AST-120 (12g)

EXPERIMENTAL

4 grams TID

Drug: AST-120

Placebo B

PLACEBO COMPARATOR

4 grams TID

Drug: AST-120

Interventions

AST-120

Also known as: Spherical carbon adsorbent
AST-120 (12g)AST-120 (6g)Placebo APlacebo B

Eligibility Criteria

Age18 Years - 70 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Confirmed cirrhosis of any cause
  • Abnormal RBANS global summary score
  • Grade 0 or 1 hepatic encephalopathy by West-Haven Scale
  • MELD score \< or = 25
  • Females must be postmenopausal, surgically incapable of bearing children or practicing a reliable method of birth control

You may not qualify if:

  • Previous participation in any trial involving AST-120
  • History of TIPS or surgically created portocaval shunt
  • Treatment for overt HE within the past 3 months
  • Use of lactulose, rifaximin, neomycin or other antibiotics in the past 7 days
  • Active alcohol abuse
  • Psychosis or organic brain syndromes due to alcohol or other causes
  • Use of interferon and sedating or cognition-altering drugs
  • Undergoing chemotherapy or radiotherapy for the treatment of cancer
  • Active GI bleeding within the past 3 months
  • Presence of an active infection
  • Presence of signs and symptoms of severe dehydration
  • Other major physical or major psychiatric illness within the past 6 months
  • Pregnant, breast feeding, or planning to become pregnant during the study
  • Using hormonal contraception as the only method of birth control

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (38)

University of Alabama at Birmingham

Birmingham, Alabama, 35294, United States

Location

Mayo Clinic Arizona

Phoenix, Arizona, 85054, United States

Location

UCSF - Fresno Community Regional Medical Center

Fresno, California, 93721, United States

Location

UCSD Medical Center

La Jolla, California, 92161, United States

Location

Scripps Clinic

San Diego, California, 92037, United States

Location

UCSD Medical Center

San Diego, California, 92101, United States

Location

California Pacific Medical Center

San Francisco, California, 94115, United States

Location

Yale University School of Medicine

New Haven, Connecticut, 06520, United States

Location

Washington Hospital Center

Washington D.C., District of Columbia, 20010, United States

Location

University of Florida College of Medicine

Gainesville, Florida, 32610, United States

Location

Mayo Clinic Jacksonville

Jacksonville, Florida, 32224, United States

Location

University of Miami, Division of Hepatology / Center for Liver Disease

Miami, Florida, 33136, United States

Location

Northwestern University, Feinberg School of Medicine

Chicago, Illinois, 60611, United States

Location

Rush University Medical Center

Chicago, Illinois, 60612, United States

Location

VA Medical Center / University of Iowa Hospital and Clinics

Iowa City, Iowa, 52246, United States

Location

University of Louisville

Louisville, Kentucky, 40202, United States

Location

Delta Research Partners, LLC

Monroe, Louisiana, 71201, United States

Location

Tulane University Health Sciences Center

New Orleans, Louisiana, 70112, United States

Location

Massachusetts General Hospital

Boston, Massachusetts, 02114, United States

Location

Beth Israel Deaconnes Medical Center, Harvard Medical School

Boston, Massachusetts, 02215, United States

Location

University of Massachusetts Memorial Medical Center

Worcester, Massachusetts, 01655, United States

Location

Dartmouth Hitchcock Medical Center

Lebanon, New Hampshire, 03756, United States

Location

Weill Medical College of Cornell

New York, New York, 10021, United States

Location

University of Rochester Medical Center

Rochester, New York, 14642, United States

Location

New York Medical College

Valhalla, New York, 10595, United States

Location

University of Cincinatti

Cincinnati, Ohio, 45267, United States

Location

Case Western Reserve / MetroHealth Medical Center

Cleveland, Ohio, 44109, United States

Location

Cleveland Clinic Foundation

Cleveland, Ohio, 44195, United States

Location

Temple University Hospital

Philadelphia, Pennsylvania, 19140, United States

Location

Albert Einstein Medical Center, Division of Hepatology

Philadelphia, Pennsylvania, 19141, United States

Location

University of Pittsburgh Medical Center

Pittsburgh, Pennsylvania, 15213, United States

Location

Medical University of Southern Carolina

Charleston, South Carolina, 29425, United States

Location

Baylor University Medical Center

Dallas, Texas, 75246, United States

Location

UT Southwestern Medical Center

Dallas, Texas, 75390-9151, United States

Location

Advanced Liver Therapies, St. Luke's Episcopal Hospital/Baylor College of Medicine

Houston, Texas, 77030, United States

Location

Permian Research Foundation

Odessa, Texas, 79761, United States

Location

University of Utah Health Sciences Center

Salt Lake City, Utah, 84132, United States

Location

McGuire DVAMC

Richmond, Virginia, 23249, United States

Location

MeSH Terms

Conditions

Hepatic EncephalopathyCognitive DysfunctionLiver DiseasesFibrosis

Interventions

AST 120

Condition Hierarchy (Ancestors)

Liver FailureHepatic InsufficiencyDigestive System DiseasesBrain Diseases, MetabolicBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesMetabolic DiseasesNutritional and Metabolic DiseasesCognition DisordersNeurocognitive DisordersMental DisordersPathologic ProcessesPathological Conditions, Signs and Symptoms

Study Officials

  • Jeff Bornstein, MD

    Ocera Therapeutics, Inc.

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY

Study Record Dates

First Submitted

March 20, 2009

First Posted

March 24, 2009

Study Start

March 1, 2009

Primary Completion

April 1, 2010

Study Completion

June 1, 2010

Last Updated

June 18, 2014

Record last verified: 2014-06

Locations