NCT01069133

Brief Summary

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

Trial Health

87
On Track

Trial Health Score

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

Enrollment
20

participants targeted

Target at P25-P50 for phase_1

Timeline
Completed

Started Feb 2010

Typical duration for phase_1

Geographic Reach
1 country

1 active site

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

February 1, 2010

Completed
15 days until next milestone

First Submitted

Initial submission to the registry

February 16, 2010

Completed
1 day until next milestone

First Posted

Study publicly available on registry

February 17, 2010

Completed
2.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 1, 2012

Completed
7 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2012

Completed
Last Updated

December 11, 2012

Status Verified

December 1, 2012

Enrollment Period

2.2 years

First QC Date

February 16, 2010

Last Update Submit

December 10, 2012

Conditions

Keywords

minimal hepatic encephalopathycirrhosiscomplications

Outcome Measures

Primary Outcomes (2)

  • brain activation on fMRI

    2 months

  • Microbiome constituents

    8 weeks

Secondary Outcomes (2)

  • brain edema and brain metabolite concentration

    2 months

  • Metabolome of urine and serum

    8 weeks

Study Arms (1)

Rifaximin

EXPERIMENTAL
Drug: Rifaximin

Interventions

550mg BID open-label

Also known as: xifaxan
Rifaximin

Eligibility Criteria

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

You may qualify if:

  • 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

You may not qualify if:

  • 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

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Hunter Holmes McGuire VA Medical Center

Richmond, Virginia, 23249, United States

Location

Related Publications (1)

  • Bajaj JS, Heuman DM, Sanyal AJ, Hylemon PB, Sterling RK, Stravitz RT, Fuchs M, Ridlon JM, Daita K, Monteith P, Noble NA, White MB, Fisher A, Sikaroodi M, Rangwala H, Gillevet PM. Modulation of the metabiome by rifaximin in patients with cirrhosis and minimal hepatic encephalopathy. PLoS One. 2013;8(4):e60042. doi: 10.1371/journal.pone.0060042. Epub 2013 Apr 2.

MeSH Terms

Conditions

Fibrosis

Interventions

Rifaximin

Condition Hierarchy (Ancestors)

Pathologic ProcessesPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

RifamycinsHeterocyclic Compounds, 4 or More RingsHeterocyclic Compounds, Fused-RingHeterocyclic CompoundsLactams, MacrocyclicMacrocyclic CompoundsPolycyclic Compounds

Study Officials

  • Jasmohan S Bajaj, MD, MSc

    McGuire VA Medical Center

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
FED
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate Professor of Medicine

Study Record Dates

First Submitted

February 16, 2010

First Posted

February 17, 2010

Study Start

February 1, 2010

Primary Completion

May 1, 2012

Study Completion

December 1, 2012

Last Updated

December 11, 2012

Record last verified: 2012-12

Locations