Efficacy of Education Versus Education Plus Prescribed Fluid Intake on Hydration Status in High School Athletes

Part of paid clinical trials in Bradenton, Florida.

Sponsor
PepsiCo Global R&D
Study ID
NCT06651619
Status
Recruiting
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Conditions

  • Dehydration

Eligibility Criteria

Sex
ALL
Age
13 Years - 19 Years
Healthy Volunteers
Accepted

Interventions

  • Water — OTHER
    Prescribed amount of bottled water the evening prior and 2 hours prior to team practice
  • Hydration Education — OTHER
    30-60 minutes

Study Details

Sports science testing by investigators at Gatorade Sports Science Institute has revealed that many athletes arrive at practice with a high urine specific gravity indicating they are hypohydrated. Though the data showed that most athletes don't lose more than 2% of their body weight in sweat during a training session, it is not known what the cumulative effects of living and training in a hot environment are over the course of a week. Previous research has indicated that prescribing fluid intake is more effective than education in improving drinking behavior during exercise. No studies to date have compared the impact of fluid intake prescription versus education in adolescent boys and girls playing outdoor and indoor sports. Comparing sexes and training environment may provide more clarity around potential barriers and challenges to proper hydration for each environment.

Key Dates

Start date
Oct 1, 2024
Status verified
Oct 2024
Primary completion
Jun 30, 2025
Completion
Jun 30, 2025

Study Design

Enrollment
108 participants (estimated)
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
BASIC_SCIENCE

Arms

  • No Intervention: Control
    No hydration education or fluid prescription. Pre-practice urine specific gravity (USG), pre- and post-practice body mass, thirst scale measures. Fluid intake during practice (whatever the team is drinking) .
  • Experimental: Hydration Education between Week 1 and Week 2
    In-depth education session regarding the effects of dehydration, the performance benefits of proper hydration, and how to properly hydrate before, during, and after activity. Pre-practice urine specific gravity (USG), pre- and post-practice body mass, thirst scale measures. Fluid intake during practice (whatever the team is drinking).
  • Experimental: Hydration Education between Week 1 and Week 2 plus Prescribed Hydration Week 2
    In-depth education session regarding the effects of dehydration, the performance benefits of proper hydration, and how to properly hydrate before, during, and after activity. Pre-practice urine specific gravity (USG), pre- and post-practice body mass, thirst scale measures. Provided a standard amount of bottled water to drink the evening prior (1 liter) and in the two hours before practice (20 oz). Fluid intake will be recorded in an intake log. Subjects will be permitted to eat or drink whatever they like in addition to the prescribed fluid. Fluid intake during practice (whatever the team is drinking).

Primary Outcome Measure

urine specific gravity (USG). [ Time Frame: Pre-practice x 3 practices in Week 1 and 3 practices in Week 2 ]

Central Contacts

Locations (1)

FacilityCityStateZIPSite coordinators
Gatorade Sports Science Institute (GSSI) at IMG Sports AcademyBradentonFlorida34210
Kris Osterberg, PhD, RD

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By research site
Gatorade Sports Science Institute (GSSI) at IMG Sports Academy· Bradenton, FL

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