Effects of Watermelon Consumption on Satiety and Digestive Health

March 14, 2024 updated by: Mee Young Hong, San Diego State University
The objective of the proposed research is to determine the effects of watermelon (fruit and rind blenderized) on satiety, metabolic markers, bowel habits, microbiome and weight management in children and adults

Study Overview

Status

Recruiting

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Estimated)

80

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 Locations

  • United States
    • California
      • San Diego, California, United States, 92182-7251
        • Recruiting
        • School of Exercise and Nutritional Sciences, SDSU
        • Contact:

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

10 years to 55 years (Child, Adult)

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:

  • Generally healthy subjects

Exclusion Criteria:

  • Smoker
  • Pregnant woman
  • Required dietary supplement use
  • Required medication of metabolic disorders
  • Allergy to watermelon

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: Prevention
  • Allocation: Randomized
  • Interventional Model: Crossover Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: Red juice
Subjects consume 8 fl oz of red juice daily for 8 weeks
Other: Red juice
To determine the effects of red juice on satiety and gut health
Experimental: Watermelon juice
Subjects consume 8 fl oz of watermelon juice daily for 8 weeks
Other: Watermelon juice
To determine the effects of watermelon juice on satiety and gut health

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Change of satiety
Time Frame: 0 and 20, 40, 60, 90 and 120 minutes post juice consumption
Change of hunger feeling (appetite) will be examined using visual analog scale (0-10), 0 least and 10 greatest
0 and 20, 40, 60, 90 and 120 minutes post juice consumption
Change of glucose level
Time Frame: 0 and 20, 40, 60, 90 and 120 minutes post juice consumption
Change of blood glucose level will be determined to examine effects of watermelon juice consumption vs red juice
0 and 20, 40, 60, 90 and 120 minutes post juice consumption
Change of insulin level
Time Frame: 0 and 20, 40, 60, 90 and 120 minutes post juice consumption
Change of blood insulin level will be determined to examine effects of watermelon juice consumption vs red juice
0 and 20, 40, 60, 90 and 120 minutes post juice consumption
Change of triglyceride level
Time Frame: Baseline and week 8
Change of triglyceride level with watermelon juice consumption vs red juice consumption
Baseline and week 8

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Change of alpha diversity in microbiome
Time Frame: Baseline and week 8
Change of alpha diversity in micriobiome with watermelon juice consumption vs red juice consumption
Baseline and week 8

Collaborators and Investigators

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

Sponsor

San Diego State 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)

August 1, 2019

Primary Completion (Estimated)

December 31, 2025

Study Completion (Estimated)

December 31, 2025

Study Registration Dates

First Submitted

September 18, 2019

First Submitted That Met QC Criteria

September 18, 2019

First Posted (Actual)

September 20, 2019

Study Record Updates

Last Update Posted (Actual)

March 18, 2024

Last Update Submitted That Met QC Criteria

March 14, 2024

Last Verified

March 1, 2024

More Information

Terms related to this study

Other Study ID Numbers

  • HS-2019-0103

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

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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