Study Results
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View full resultsBasic Information
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COMPLETED
NA
59 participants
INTERVENTIONAL
2021-01-19
2023-02-20
Brief Summary
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Detailed Description
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Conditions
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Study Design
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NON_RANDOMIZED
CROSSOVER
BASIC_SCIENCE
NONE
Study Groups
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Younger participants: Hot/Dry then Hot/Humid
Individuals aged 18-39 years who completed the hot/dry trial first and the hot/humid trial second.
Hot and Humid Trial
Individuals will be exposed to a simulated heat wave (hot and humid) condition.
Hot and Dry Trial
Individuals will be exposed to a simulated heat wave (hot and dry) condition.
Older participants: Hot/Dry then Hot/Humid
Individuals aged 65 years or older who completed the hot/dry trial first and the hot/humid trial second.
Hot and Humid Trial
Individuals will be exposed to a simulated heat wave (hot and humid) condition.
Hot and Dry Trial
Individuals will be exposed to a simulated heat wave (hot and dry) condition.
Younger participants: Hot/Humid then Hot/Dry
Individuals aged 18-39 years who completed the hot/humid trial first and the hot/dry trial second.
Hot and Humid Trial
Individuals will be exposed to a simulated heat wave (hot and humid) condition.
Hot and Dry Trial
Individuals will be exposed to a simulated heat wave (hot and dry) condition.
Older participants: Hot/Humid then Hot/Dry
Individuals aged 65 years or older who completed the hot/humid trial first and the hot/dry trial second.
Hot and Humid Trial
Individuals will be exposed to a simulated heat wave (hot and humid) condition.
Hot and Dry Trial
Individuals will be exposed to a simulated heat wave (hot and dry) condition.
Interventions
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Hot and Humid Trial
Individuals will be exposed to a simulated heat wave (hot and humid) condition.
Hot and Dry Trial
Individuals will be exposed to a simulated heat wave (hot and dry) condition.
Eligibility Criteria
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Inclusion Criteria
* 18-35 years or 65+ years of age
* Free of any underlying moderate to serious medical conditions
Exclusion Criteria
* Taking of any medications (such as beta blockers and non-dihydropyridine calcium channel blockers) that have known influences on either cardiac function or sweating responses.
* Abnormalities detected on routine screening.
* Individuals who participate in a structured aerobic exercise training program at moderate to high intensities.
* Current smokers, as well as individuals who regularly smoked within the past 3 years.
* Body mass index of greater than 30 kg/m\^2
* Pregnant individuals
18 Years
ALL
Yes
Sponsors
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American Heart Association
OTHER
National Institute on Aging (NIA)
NIH
University of Texas Southwestern Medical Center
OTHER
Responsible Party
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Craig Crandall
Professor of Medicine
Locations
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Institute for Exercise and Environmental Medicine
Dallas, Texas, United States
Countries
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Provided Documents
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Document Type: Study Protocol and Statistical Analysis Plan
Other Identifiers
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STU_2019_1759
Identifier Type: -
Identifier Source: org_study_id
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