Gut bacteria may hold key to cancer treatment diarrhea
NCT ID NCT05873231
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at how the bacteria in your gut might influence diarrhea caused by cancer treatments. Researchers will follow 150 adults starting cancer therapy, collecting stool and blood samples to analyze gut microbiome changes. The goal is to better understand why some people get diarrhea, not to test a new treatment.
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.
- Participants
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About 150 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2021
- Expected to finish
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Dec 2032
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.
Who is studied
patients receiving systemic anti cancer therapy
- 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 or older * Start of a systemic anti-cancer therapy * Informed consent Exclusion Criteria: * • Pre-existing diarrhoea * Antibiotic therapy -4 to -1 week before inclusion * Probiotic treatment -4 to -1 week before inclusion * Inability to give informed consent
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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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Department of Internal Medicine, Medical University of Graz
RECRUITINGGraz, 8010, Austria
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