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Immunomodulatory Effects of Fasting in Healthy Adults

NCT05104502 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 4

Last updated 2025-12-02

No results posted yet for this study

Summary

This is a clinical trial assessing the effects of fasting on the immune system in healthy adults. Immune profiling, gene expression profiling, and flow cytometry on peripheral blood mononuclear cells (PBMCs) will be performed and we hypothesize that a period of fasting will alter the immune system in healthy adults.

Conditions

  • Fasting

Interventions

BEHAVIORAL

Dietary Fasting

The study will consist of two days of eating a "controlled habitual diet" and one 36-hour period of water-only fasting with glucose monitoring as a measure of compliance. Water intake will be limited to 2 liters/day to prevent electrolyte abnormalities. Subjects will undergo 4 separate blood-draws consisting of an overnight fasted sample (Baseline), a 2-hour postprandial sample (Fed), a 36-hour fasted sample (Fasted), and final 2-hour postprandial sample after the fasting period (Refed).

Sponsors & Collaborators

  • University of California, Davis

    lead OTHER

Study Design

Allocation
NA
Purpose
BASIC_SCIENCE
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
20 Years
Max Age
40 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2022-03-25
Primary Completion
2026-06-30
Completion
2026-06-30

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT05104502 on ClinicalTrials.gov