Gut bugs may influence cancer treatment success
NCT ID NCT07407218
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looked at 58 head and neck cancer patients receiving standard radiotherapy. Researchers collected stool and blood samples to see if gut bacteria and their byproducts are linked to how well the treatment works and how severe side effects are. The goal is to find clues that could one day help personalize care.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this research could help doctors personalize supportive care during radiotherapy to improve outcomes and reduce side effects.
- What could go wrong
- This is a small, completed observational study, not a treatment trial. It only looks for associations, so it cannot prove cause and effect.
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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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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58 people
The number who actually took part.
- Started
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Sep 2021
- Finished
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Sep 2024
- 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: * Adult patients (≥18 years) * Carcinoma of the oral cavity, oropharynx, nasopharynx, hypopharynx, larynx, or carcinoma metastases in cervical lymph nodes of unknown primary origin * Overall stage III-IV according to the 8th TNM classification * Planned radical radiotherapy with or without concomitant chemotherapy Exclusion Criteria: * Planned induction chemotherapy * Failure to complete radical (chemo)radiotherapy treatment
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Genom att skicka in godkänner du våra Användarvillkor
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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Institute of Oncology Ljubljana
Ljubljana, 1000, Slovenia
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Other studies related to the condition(s) this trial covers.
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