ERs test ice sheets, body bags, and packs to beat heat stroke
NCT ID NCT07433036
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares three common emergency room cooling methods for people with dangerously high body temperature (hyperthermia). Fifty healthy adults will exercise until their core temperature rises above 39°C, then be cooled using cooling packs, ice-soaked sheets with a fan, or an ice-filled body bag. The goal is to see which method lowers temperature the fastest. Results will help ER doctors choose the best treatment.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 50 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2025
- Expected to finish
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Dec 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 65 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Active, healthy individuals Exclusion Criteria: * Pregnant or planning on becoming pregnant * Have a pacemaker * Currently taking any prescribed or over the counter medications or nutritional supplements known to influence thermoregulatory responses * Experience lingering pain from a previous musculoskeletal injury (i.e. knee, hip, or back pain) * Use tobacco/nicotine products
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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University of Colorado Colorado Springs
RECRUITINGColorado Springs, Colorado, 80918, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can burn Survivors' bodies handle heat? a trial puts Work-Rest cycles to the test
- Can a simple fan and water spray beat the heat? a study investigates
- Can a new Ice-Water device cool heat stroke victims faster?
- Can extreme heat starve the aging heart of blood?
- Could slowing down or taking breaks in the heat protect older Workers' hearts?
- Can smarter breaks keep older workers safe in the heat?