Intermittent Fasting on Body Fat and Quality of Life

April 30, 2026 updated by: Loma Linda University

The Effect of Intermittent Fasting on Body Fat and Quality of Life

The purpose of this investigator-initiated study to check the feasibility that intermittent fasting has on body fat loss and quality of life.

Study Overview

Status

Recruiting

Conditions

Intervention / Treatment

Detailed Description

Start of study: Informed Consent, Body Fat Analysis, Questionnaires on quality of life, sleep, and stress. For the next four weeks, participants will eat their normal food intake with no restrictions on when to eat. Participants will keep their normal weekly exercise routine.

Midway of study: Body Fat Analysis, Questionnaires on quality of life, sleep, and stress. For the next four weeks, participants will do the intermittent fasting program. This program has participants fasting 16 hours from their last meal of the previous evening's meal to the first meal of their next day. Then for 8 hours, participants are able to eat. During the fasting, participants are allowed to consume water and black coffee/tea. Participants will also keep their normal weekly exercise routine.

End of study: Body Fat Analysis, Questionnaires on quality of life, sleep, and stress.

Study Type

Interventional

Enrollment (Estimated)

70

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

  • Name: Gurinder Bains, PhD
  • Phone Number: 87274 909-558-4000
  • Email: gbains@llu.edu

Study Locations

  • United States
    • California
      • Loma Linda, California, United States, 92350
        • Recruiting
        • Loma Linda University
        • Contact:
          • Gurinder Bains, PhD
          • Phone Number: 87274 909-558-4000
          • Email: gbains@llu.edu

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:

• In good health

Exclusion Criteria:

• Diabetes or Metabolic Syndrome

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Other
  • Allocation: Non-Randomized
  • Interventional Model: Crossover Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: Non Fasting
For four week: Participants will keep their normal food intake with no restrictions on when to eat. Participants will keep their normal weekly exercise routine.
Other: non fasting
Participants will not be fasting during these four weeks. They will eat their normal food intake and keep their normal physical activity levels.
Experimental: Fasting
For four weeks: Fasting for 16 hours from participant last meal of the previous evening's meal to the first meal of the next day. Then for 8 hours, participant is able to eat. During the fasting, participants are allowed to consume water and black coffee/tea. Participants will also keep their normal weekly exercise routine.
Other: Fasting
Fasting for 16 hours from participant last meal of the previous evening's meal to the first meal of the next day. Then for 8 hours, participant is able to eat. During the fasting, participants are allowed to consume water and black coffee/tea. Participants will also keep their normal weekly exercise routine.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Body fat percentage
Time Frame: change between baseline and eight weeks
Body composition will give the following measurement: body fat percentage
change between baseline and eight weeks
Visceral fat
Time Frame: change between baseline and eight weeks
In addition, body composition will also give us visceral fat measurement
change between baseline and eight weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Loma Linda University

Investigators

  • Principal Investigator: Gurinder Bains, PhD, Loma Linda University

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

March 11, 2024

Primary Completion (Estimated)

December 1, 2026

Study Completion (Estimated)

December 1, 2026

Study Registration Dates

First Submitted

February 29, 2024

First Submitted That Met QC Criteria

March 5, 2024

First Posted (Actual)

March 12, 2024

Study Record Updates

Last Update Posted (Actual)

May 6, 2026

Last Update Submitted That Met QC Criteria

April 30, 2026

Last Verified

April 1, 2026

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 5170221

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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