Recruiting

Watermelon Consumption

Sponsor:

San Diego State University

Code:

NCT04096586

Conditions

Satiety

Eligibility Criteria

Sex: All

Age: 10 - 55

Healthy Volunteers: Accepted

Interventions

Red juice

Watermelon juice

Study Details

Brief summary:

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

Conditions

Satiety

Study ID

NCT04096586

Start date

Aug 1, 2019

Status verified date

Jan, 2026

Completion date

Dec 31, 2028

Anticipated

Primary completion date

Dec 31, 2028

Anticipated

Eligibility Criteria

Eligibility Criteria

Sex: All

Age: 10 - 55

Healthy Volunteers: Accepted

Inclusion Criteria:

  • Generally healthy subjects

Exclusion Criteria:

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

Study Design

Enrollment

80 participants

Anticipated

Allocation

Randomized

Intervention Model

Crossover

Primary purpose

Prevention

Interventions and Outcome Measures

Arms

active comparator: Red juice

Subjects consume 8 fl oz of red juice daily for 8 weeks

experimental: Watermelon juice

Subjects consume 8 fl oz of watermelon juice daily for 8 weeks

Interventions

Red juice

To determine the effects of red juice on satiety and gut health

Watermelon juice

To determine the effects of watermelon juice on satiety and gut health

Primary outcome measure

  • Change of satiety [ Time Frame: 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 insulin level [ Time Frame: 0 and 20, 40, 60, 90 and 120 minutes post juice consumption ]
  • Change of triglyceride level [ Time Frame: Baseline and week 8 ]

Central Contacts and Locations

Locations

School of Exercise and Nutritional Sciences, SDSU

Recruiting

San Diego, California, United States, 92182-7251

Contacts

Mee Young Hong

619-594-2392mhong2@mail.sdsu.edu

More Information

Sponsor

San Diego State University

Last update posted

Jan 21, 2026

Last verified

Jan, 2026

Trial information was received from ClinicalTrials.gov and was last updated on 2026-09-10. This information was provided to ClinicalTrials.gov by San Diego State University on 2026-01-21.