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Wrist cooler may ease hot flashes without drugs

NCT ID NCT05595213

Symptom relief Sponsor: Boston University 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This small study tested a wrist-worn cooling device to see if it reduces the severity of hot flashes in women and men. Twenty-seven participants wore both an active cooling device and a placebo device (identical but without cooling) for two weeks each. They recorded their hot flashes in a diary to compare the effects of the two devices.

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

27 people

The number who actually took part.

Started

Mar 2023

Finished

Jan 2025

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

21 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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. Experiencing at least 2 hot flashes per day that are either moderate and/or severe in severity. 1. Moderate: sensation of heat with sweating/dampness but able to continue activity with only brief fanning needed 2. Severe: sensation of intense heat with sweating and causing disruption of current activity 2. English speaking Exclusion Criteria: 1. Temperature sensitivity due to cooling associated with an autoimmune or vascular disorder, such as Raynaud's phenomena, peripheral arterial disease or any other reasons. 2. Any wrist skin sensitivity that is known to cause discomfort when any type of device such as a wristwatch is placed on the wrist. 3. Any lack of sensitivity to coolness on the wrists or hands 4. Any use of pharmaceuticals or devices to treat hot flashes. 5. Unable to understand and speak English

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Conditions

The condition(s) this trial relates to.

breast neoplasm Hot Flashes prostate cancer

As listed by the trial registrant

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

Hot flashes

Contacts and locations

Locations

  • BU School of Medicine

    Boston, Massachusetts, 02118, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.