Could a poop pill curb alcohol cravings in liver disease patients?
NCT ID NCT05548452
First seen Jun 27, 2026 · Last updated Aug 25, 2026 · Updated 4 times
Summary
This study tests whether capsules containing bacteria from healthy people can safely reduce alcohol cravings and drinking in adults with alcohol-related liver disease and cirrhosis. About 80 participants will receive either the bacteria capsules or a placebo, and researchers will track drinking days, cravings, and liver health over several months. The goal is to see if changing gut bacteria can help people drink less and improve their liver condition.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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About 80 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2022
- Expected to finish
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Nov 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: -\>18 years of age * Advanced liver disease * Able to give written, informed consent * Alcohol as a cause of advanced liver disease * Continued sustained drinking * Having previously declined a referral to traditional AUD therapy services or having failed such treatments Exclusion Criteria: * Lack of sustained drinking * Recent or current alcoholic hepatitis * Alcohol withdrawal symptoms * Clinically significant use of illicit drugs * Uncontrolled mood disorders or primary psychotic conditions * MELD score\>17 * Unclear diagnosis of chronic liver disease * Current hepatic encephalopathy on lactulose and/or rifaximin * WBC count\<1000 * Non-elective hospitalization within last month * on dialysis * known untreated, in-situ luminal GI cancers * chronic intrinsic GI diseases (ulcerative colitis, Crohn's disease or microscopic colitis, eosinophilic gastroenteritis and celiac disease) * Dysphagia within 2 weeks * History of aspiration, gastroparesis, intestinal obstruction * Ongoing absorbable antibiotic use * Severe anaphylactic food allergy * allergy to ingredients Generally Recognized As Safe in the G3 capsules (glycerol, sodium chloride, hypromellose, gellan gum, titanium dioxide, theobroma oil) * Adverse event attributable to prior IMT * ASA Class IV or V * Pregnant or nursing patients * acute illness or fever on the day of planned FMT * Immunosuppression * Other conditions which make patients are poor candidate for this study per investigator judgement
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Hunter Holmes McGuire VA Medical Center
Richmond, Virginia, 23249, United States
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Virginia Commonwealth University
Richmond, Virginia, 23298, United States
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Other studies related to the condition(s) this trial covers.
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