Poop pills? fecal transplants show promise for gut infections
NCT ID NCT04090346
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested fecal microbiota transplant (FMT) in 24 adults with recurrent Clostridium difficile infection (C. diff) that didn't get better with standard antibiotics. FMT involves placing healthy donor stool into the patient's colon to restore good bacteria. The goal was to see if this treatment reduces the need for repeat transplants, surgery, or more antibiotics.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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24 people
The number who actually took part.
- Started
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Jun 2018
- Finished
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Mar 2022
- 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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Children (under 18), adults (18 to 64) and older adults (65 and over)
- 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.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Recurring CDI after three episodes of mild to moderate C Diff infections and failure to respond to appropriate antimicrobial treatment of six to eight weeks. * Metronidazole * Vancomycin * At least two episodes of severe C diff infection that have required hospitalization and significant morbidity within one year * Severe C Diff infection requiring hospitalization and non- responsive to maximal medication therapy Exclusion Criteria: * advanced Human Immunodeficiency Virus (HIV) or Acquired Immunodeficiency Syndrome (AIDS) * cirrhosis of the liver * recent bone marrow transplants * medication suppressed immune systems (allowed per physician discretion if benefit outweighs risk) * pregnancy * Toxic megacolon or ileus present
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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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Methodist Mansfield Medical Center
Dallas, Texas, 75203, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- New database aims to speed up FMT research for gut infections
- Should cancer patients get antibiotics for a dubious c. diff test? small trial seeks answers
- Poop pills? no, stool transplants aim to cure recurrent c. diff
- 4,000 patients join landmark poop transplant safety study