Study of Rifaximin in Minimal Hepatic Encephalopathy

December 10, 2012 updated by: Jasmohan Bajaj, Hunter Holmes Mcguire Veteran Affairs Medical Center

Effect of Rifaximin Therapy on Brain Activation in Patients With Minimal Hepatic Encephalopathy Using Functional MR, MR Spectroscopy,Diffusion Tensor Imaging Microbiome and Metabolome: a Prospective Trial

Rifaximin therapy will improve brain functioning on MRI scanning and change the microbiome and metabolome.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

20

Phase

  • Phase 2
  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Virginia
      • Richmond, Virginia, United States, 23249
        • Hunter Holmes McGuire VA Medical Center

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 65 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Age 18-65 years
  • cirrhosis diagnosed by clinical or biopsy grounds
  • Minimal hepatic encephalopathy defined by impaired performance on at least 2 of the following: number connection tests A/B, digit symbol and block design tests (NCT-A, NCT-B, DST and BDT) compared to age and education-matched controls.
  • No contraindications to MRI
  • TIPS (transjugular intra-hepatic porto-systemic shunt) procedure or elective surgery planned within the next 8 weeks

Exclusion Criteria:

  • Current therapy with lactulose, rifaximin or other treatment for hepatic encephalopathy.
  • Prior episodes of overt HE
  • MMSE <25
  • TIPS placement
  • Unable to give informed consent.
  • Contra-indications to MRI

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Non-Randomized
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Rifaximin
Drug: Rifaximin
550mg BID open-label
Other Names:
  • xifaxan

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
brain activation on fMRI
Time Frame: 2 months
2 months
Microbiome constituents
Time Frame: 8 weeks
8 weeks

Secondary Outcome Measures

Outcome Measure
Time Frame
brain edema and brain metabolite concentration
Time Frame: 2 months
2 months
Metabolome of urine and serum
Time Frame: 8 weeks
8 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Hunter Holmes Mcguire Veteran Affairs Medical Center

Collaborators

Bausch Health Americas, Inc.

Investigators

  • Principal Investigator: Jasmohan S Bajaj, MD, MSc, McGuire VA Medical Center

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

February 1, 2010

Primary Completion (Actual)

May 1, 2012

Study Completion (Actual)

December 1, 2012

Study Registration Dates

First Submitted

February 16, 2010

First Submitted That Met QC Criteria

February 16, 2010

First Posted (Estimate)

February 17, 2010

Study Record Updates

Last Update Posted (Estimate)

December 11, 2012

Last Update Submitted That Met QC Criteria

December 10, 2012

Last Verified

December 1, 2012

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • BAJAJ010

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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