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Hot flushes may do more than make you sweat – new study looks at heart impact

NCT ID NCT05251324

Knowledge-focused Sponsor: University of Minnesota Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study looks at what happens to the heart and breathing during a hot flush in postmenopausal women. Researchers will use heating pads and warm items to trigger hot flushes in a controlled setting. They want to see if these induced flushes cause similar changes in blood pressure, heart rate, and breathing as natural ones. The goal is to better understand the body's response, not to test a treatment.

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.

Participants

About 60 people

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

Started

Mar 2022

Expected to finish

May 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.

Who is studied

40-70-year-old postmenopausal women who experience hot flushes and those who do not. Women who have not started hormone therapy and/or will discontinue hormone therapy for the duration of the study.

Ages

40 to 70 years

Sex

Female participants only

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: * Postmenopausal (may have or may not have hot flushes) * Have not started hormone therapy and/or will discontinue hormone therapy for the duration of the study Exclusion Criteria: * Reported nicotine/tobacco use within the last six months * Diabetic or asthmatic * Diagnosed significant carotid stenosis * History of significant autonomic dysfunction, heart disease, respiratory disease, or severe neurologic condition such as stroke or traumatic brain injury * Existing metabolic or endocrine abnormalities * Use of heart/blood pressure medications that are determined to interfere with study outcomes * Unwilling to discontinue use of OC (or other hormonal contraceptives, including intrauterine devices or contraceptive implants) and/or MHT * Pregnant or breastfeeding * Unwilling or unable to refrain from consuming caffeine or alcohol in the 12 hours before visit two or three * Unwilling or unable to refrain from vigorous exercise (at least 10 minutes in duration) in the 12 hours before visit two or three * Unwilling or unable to fast in the eight hours before visit two or three * Body mass index greater than or equal to 35 kg/m\^3

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Conditions

The condition(s) this trial relates to.

Hot Flashes

As listed by the trial registrant

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

Hot flashes Menopause

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. 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 ↗

  3. 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

  • University of Minnesota

    RECRUITING

    Minneapolis, Minnesota, 55455, United States

More trials for these conditions

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