Fiber and fitness: a new immune boost against cancer?
NCT ID NCT07305259
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether taking a dietary fiber called beta-glucan, along with exercise, can improve how your immune system recognizes and kills cancer cells. Healthy adults will take beta-glucan or a placebo daily for 4 weeks and do three exercise tests. Researchers will measure immune cell activity in blood samples to see if this simple approach could help fight cancer.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Early phase 1
The earliest testing in people: a first look at safety, in a very small group.
- Participants
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About 60 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2025
- Expected to finish
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Sep 2029
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 to 45 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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: * Physically fit enough to engage in maximal exercise. Exclusion Criteria: * BMI \> 40 kg/m2 * Stage 2 hypertension (140/90 mmHg) * Type I or II diabetes * Autoimmune diseases * Overt cardiovascular, respiratory, or neurological disease (e.g., previous heart attack, pacemaker, heart failure, asthma) * Hormone replacement therapy (e.g., androgens, estrogens) * Daily medication usage that may affect immune function (e.g., beta blockers, NSAIDs, corticosteroids, allergy medications) * Current antibiotic use * Heavy alcohol usage (\>2 drinks per day) * Tobacco use within the last 6 months * Adults unable to consent * Individuals who are not yet adults (infants, children, teenagers) * Self-reported pregnancy * Prisoners
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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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Institute of Sports Sciences and Medicine
RECRUITINGTallahassee, Florida, 32306, United States
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