Poop pills aim to stamp out superbugs in the gut
NCT ID NCT07106580
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether capsules containing freeze-dried stool from healthy donors can safely remove multidrug-resistant organisms (MDROs) from the intestines of 48 adults who carry these bacteria without symptoms. Participants will take either the fecal transplant capsules or a placebo over 3 days and be monitored for 6 months. The goal is to see if this approach can decolonize the gut and prevent future infections.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- lyophilized fecal microbiota transplantation (FMT) capsules
- What this could lead to
- If it works, this could offer a simple, pill-based way to eliminate dangerous drug-resistant bacteria from the gut, reducing infection risk.
- What could go wrong
- This is an early Phase 1/2 trial with only 48 participants, so results may not apply broadly. The treatment may not clear the bacteria, and side effects are still being studied.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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 48 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2025
- Expected to finish
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Sep 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.
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: * ≥ 18 years, * stool sample or rectal swab positive for MDRO (CRE, ESBL-E, VRE) within a week of randomization, * capable of swallowing oral capsules, * willing to give informed consent Exclusion Criteria: * antibiotic treatment on the day of inclusion, * pregnant or breastfeeding, women of childbearing potential who are unwilling or unable to use an acceptable method of birth control, * patients with terminal diseases with expected life expectancy \< 6 months, * unwillingness to ingest the capsules, * a history of colectomy, present colostomy or ileostomy, * patients with the diagnosis/treatment of inflammatory or functional bowel disease, * patients with malignant bowel diseases, * absolute neutrophil count \< 500/mm3, * selective digestive decolonization with antibiotics within 6 months before randomization, * severe allergy to capsule components
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Clinical Hospital Center Rijeka
RECRUITINGRijeka, 51000, Croatia
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