Water Bolus Volumes During Continuous Exercise in Heat

Completed · Not applicable

Conditions studied: Dehydration (Physiology), Hyperthermia

In brief

Hydration is important to all individuals including occupational workers who complete physical activity in the heat. Current best practice guidelines suggest drinking a cup of water every 15-20 minutes during activity in a hot environment, but research shows this may not be ideal for best maintaining hydration. The goal of this study is to determine if larger, more frequent water boluses better maintain hydration than smaller, less frequent water boluses during moderate intensity physical activity in the heat.

Key facts

Study ID

NCT04613856

Run by

State University of New York at Buffalo

People needed

16

Starts

2019-04-17

Expected to finish

2020-03-12

Last updated by the study team

2020-11-03

Who can join

Age: 18 and older, up to 39. Sex: male. Healthy volunteers: accepted.

You may qualify if…

• Male
• 18-39 y old
• Self-reported to be healthy

You may not qualify if…

• Female
• Not within defined age range
• History of any cardiovascular, neurologic, or metabolic disease
• Current tobacco use or regular use within the last 2 years.
• Taking medications with known thermoregulatory or cardiovascular effects (e.g., aspirin, beta blockers, diuretics, psychotropics, etc.)
• Inability to follow the rules of the protocols or understand the consent form

Where it is running

• Center for Research and Exercise in Special Environments — Buffalo, New York, United States

Full record on ClinicalTrials.gov

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