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Study identifier: NCT06871111 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

The Microbiota Augmentation to Reestablish Commensal Organisms (MARCO) Trial

Condition: Liver Diseases · Liver Failure · Cirrhosis, Liver  ·  Sponsor: University of Chicago

PhasePhase 1
Planned participants24
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

The Microbiota Augmentation to Reestablish Commensal Organisms (MARCO) trial is a single center prospective adaptive phase 1b clinical trial in patients who are hospitalized with complications of liver disease and have low fecal metabolite levels (butyrate and deoxycholic acid). The study intervention is 1 of 9 novel live Commensal Consortia each containing eight commensal bacterial strains derived from healthy donors. The primary objective of the study is to determine safety and tolerability of Commensal Consortia administration.

This description comes directly from the study's public registry record.

Talk to the study team

Matthew A Odenwald, MD, PhD  ·  773-702-6331  ·  matthew.odenwald@uchicagomedicine.org

Christopher Lehmann, MD  ·  773.834.6015

Always discuss trial participation with your own doctor first.

Locations (1)

The University of Chicago Medical CenterChicago, Illinois, United StatesRecruiting

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Source record: clinicaltrials.gov/study/NCT06871111