Actively Recruiting

Phase Not Applicable
Age: 18Years +
All Genders
NCT06438588

Fasting Mimicking Diet for Reducing Immune Related Adverse Events for Cancer Patients on Immune Checkpoint Inhibitors, FMD-ICI Trial

Led by Mayo Clinic · Updated on 2025-12-12

10

Participants Needed

1

Research Sites

157 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

This clinical trial assesses an effective and translatable care model to understand and reduce the adverse effects that cancer patients experience during their treatment therapies and thereby enhance their well-being and quality of life. Excessive immune activation can affect multiple organs with the most common adverse effects being skin rash, diarrhea, colitis, fatigue, hypothyroidism and anorexia. A restrictive calorie diet, mostly of fat and complex carbohydrates, will mimic fasting and increase resiliency to protect patients from the adverse effects of cancer treatments, by managing the adverse side effects of immune checkpoint inhibitors (ICI) treatments in select cancer patients. The fast mimicking diet (FMD) (Xentigen®) is a calorie restrictive, low-calorie, low-protein, high complex carbohydrate, high-fat diet. The FMD program is a plant-based diet program designed to attain fasting-like effects while providing both macro- and micronutrients to minimize the burden of fasting and adverse effects. The FMD consists of 100% ingredients which are generally regarded as safe (GRAS) and comprises mainly of vegetable-based soups and broths, energy bars, energy drinks, cracker snacks, herbal teas, and supplements. Following a FMD may reduce the adverse effects that some cancer patients experience while following immunotherapy treatments.

CONDITIONS

Official Title

Fasting Mimicking Diet for Reducing Immune Related Adverse Events for Cancer Patients on Immune Checkpoint Inhibitors, FMD-ICI Trial

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Patients undergoing immunotherapy regardless of prior immunotherapy history
  • Age 18 years or older
  • Body mass index (BMI) greater than 19
  • Histologically confirmed advanced stage (stage 3 or 4) malignant solid tumors suitable for PD-1, PD-L1, CTLA-4 antibody immunotherapy or their combinations
Not Eligible

You will not qualify if you...

  • Younger than 18 years old
  • Pregnant women
  • Nursing mothers
  • Persons of childbearing potential unwilling to use adequate contraception
  • Patients on insulin for diabetes
  • Patients allergic to any components of the fasting mimicking diet
  • Patients with unacceptable worsening of nutritional status or cancer progression

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

Mayo Clinic in Florida

Jacksonville, Florida, United States, 32224-9980

Actively Recruiting

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Research Team

C

Clinical Trials Referral Office

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

SUPPORTIVE_CARE

Number of Arms

1

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