Fasting diet may ease immunotherapy side effects in cancer patients
NCT ID NCT06438588
First seen Jun 27, 2026 · Last updated Sep 01, 2026 · Updated 2 times
Summary
This study tests whether a special low-calorie, plant-based diet that mimics fasting can reduce common side effects like rash, diarrhea, and fatigue in cancer patients receiving immunotherapy. Ten adults with advanced cancer will follow the diet and report their symptoms. The goal is to improve quality of life during treatment.
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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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2 people
The number who actually took part.
- Started
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Nov 2024
- Finished
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Feb 2026
- 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: * Patients undergoing immunotherapy regardless of prior immunotherapy history * Age ≥ 18 years * Body mass index (BMI) \> 19 * Histological confirmation of advanced staged malignancies (stage 3 or 4) appropriate for the following types of immunotherapy: PD-1 Antibody (nivolumab, pembrolizumab), PD-L1 Antibody (atezolizumab, avelumab, durvalumab), CTLA-4 Antibody (ipilimumab) or any combination thereof Exclusion Criteria: * Age \< 18 years * Pregnant women * Nursing mothers * Persons of childbearing potential who are unwilling to employ adequate contraception * Patients will be excluded if they are on insulin due to diabetes \[diabetic patients will be asked to monitor their glucose levels with a continuous glucose monitoring (CGM) device\], if they have allergies to any of the components in the FMD, if there is unacceptable deterioration of their nutritional status and cancer progression
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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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Mayo Clinic in Florida
Jacksonville, Florida, 32224-9980, United States
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Other studies related to the condition(s) this trial covers.
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