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Can a new Ice-Water device cool heat stroke victims faster?

NCT ID NCT07743619

Symptom relief Sponsor: State University of New York at Buffalo Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Aug 04, 2026 · Last updated Aug 05, 2026 · Updated 1 time

Summary

This trial tests a new cooling device that uses a small amount of ice and recirculated water to lower body temperature, comparing it to the standard Phoenix protocol used by emergency services. Healthy adults will undergo cooling to measure how quickly their internal temperature drops. The goal is to see if this new method is faster and more practical for treating heat stroke in ambulances.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Recirculated water cooling device
What this could lead to
If the new device cools faster, it could offer a practical, effective way to treat heat stroke in ambulances, potentially saving more lives.
What could go wrong
This is a small early-stage study in healthy volunteers, not actual heat stroke patients, so results may not translate to real emergencies. The device may not cool faster than the current method.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

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

About 20 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Aug 2027

An estimate. End dates often move.

Lead sponsor

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

18 to 39 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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: 1. Adult participant (18 - 39 years old) 2. Body mass index (BMI) 18 - 30 kg/m2 3. At least moderate intensity aerobic exercise ≥60 min per week 4. Participant is able and willing to follow study procedures Exclusion Criteria: 1. History of cardiovascular, neurological, metabolic, pulmonary, renal, gastrointestinal, or autoimmune disease 2. Taking prescription medication (with exception of psychiatric medication) 3. If taking a psychiatric medication, the dosage has changed within the month prior to first study visit 4. Cannot abstain from taking over-the-counter medications or supplements for 24 hours before study visits (with exception of vitamins) 5. Resting systolic blood pressure ≥130 mmHg and/or diastolic blood pressure ≥90 mmHg 6. Resting heart rate of ≥100 beats per minute 7. Regular smoker of cigarettes or has regularly smoked in the past year 8. Musculoskeletal injury/condition that negatively impacts the protocol 9. History of heat illness that resulted in a visit to a medical center in the past 2 years 10. Has donated blood or plasma in the past 3 months 11. Has taken antibiotics or corticosteroids within 4 weeks of enrollment 12. Has a medical implant device such as a pacemaker, patient monitoring system, or metallic implant 13. Has a full or partially amputated limb 14. Pregnant or breastfeeding 15. Study physician or PI discretion based on any other medical condition or medication

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Conditions

The condition(s) this trial relates to.

Heat Stroke Hyperthermia Motor Activity

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Hyperthermia

How to take part

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  1. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  2. A doctor treating you

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