ClinicalTrials.gg
RecruitingNCT07824648Updated Sep 17, 2026

Thermoregulatory Physiology of Menopausal Hot Flashes

An interventional study of Intervention C (Targeted skin cooling) and Intervention B (Ambient cooling) in Menopause Hot Flashes, sponsored by SRI International. Recruiting at 1 site in United States. Open to female participants aged 40 Years to 65 Years. Per ClinicalTrials.gov, last updated 2026-09-17.

Sponsored by SRI International · Not applicable, Interventional, and Basic science

From the registry’s dates

  • Registered 4 months after the study started (first participant enrolled May 2026, registered Sep 2026).
  • Started May 2026; still recruiting 6 months later.
Phase
Not applicable
Study type
Interventional
Enrollment
40
Allocation
Randomized
Ages
40 Years to 65 Years
Sex
Female
01

Study summary

This study is evaluating the effects of cooling on menopausal hot flashes in midlife women. Precise targeted cooling is provided to areas of the skin when a hot flash occurs.

02

Conditions studied

  • Menopause Hot Flashes

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03

In context

Hot Flashes

339 studies on the registry are indexed under Hot Flashes; 56 are open to participants now.

This study's planned enrollment of 40 is below the median of 90 across 306 interventional studies indexed under Hot Flashes.

Browse Hot Flashes studies →

Lead sponsor

SRI International is the lead sponsor of 10 studies on the registry; 2 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
40 Years to 65 Years
Sexes eligible
Female
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Female
  • Age range: 40 to 65 years and in menopausal transition or ;
  • At least 8 years of education to ensure adequate reading proficiency;
  • Primary language is English or Spanish.

Exclusion criteria

Exclusion Criteria:

  • History of medical or neurological illness or trauma that would affect the central nervous system (e.g., stroke, multiple sclerosis, epilepsy);
  • Current severe medical conditions (e.g. Diabetes, cancer, cardiovascular disease, renal or hepatic disease, thyroid disorders);
  • History of schizophrenia and/or bipolar disorder;
  • Dependence or abuse of illicit substances in the past year;
  • Current use of hormone therapy or other treatments for hot flash symptoms
Terms in these criteria, in plain language(1)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Postmenopausal

Periods have stopped for good: usually no period for 12 months in a row without another medical reason, sometimes confirmed by a blood test (FSH).

05

Study design

Phase
Not applicable
Primary purpose
Basic science
Allocation
Randomized
Intervention model
Crossover assignment
Masking
None (open label)
Enrollment
40 participants (estimated)

Study arms

  • Experimental
    Sequence A-B-C

    Laboratory interventions are administered in the order of Room Temperature-Ambient Cooling-Targeted skin cooling

    Other: Intervention C (Targeted skin cooling) · Other: Intervention B (Ambient cooling) · Other: Intervention A (Room temperature)

  • Experimental
    Sequence B-C-A

    Laboratory interventions are administered in order of Ambient cooling-Targeted skin cooling-Room temperature

    Other: Intervention C (Targeted skin cooling) · Other: Intervention B (Ambient cooling) · Other: Intervention A (Room temperature)

  • Experimental
    Sequence C-A-B

    Laboratory interventions are administered in the order of Targeted skin cooling-Room temperature-Ambient cooling

    Other: Intervention C (Targeted skin cooling) · Other: Intervention B (Ambient cooling) · Other: Intervention A (Room temperature)

Interventions

  • OtherIntervention C (Targeted skin cooling)

    Cooling targeted to the skin during a hot flash

  • OtherIntervention B (Ambient cooling)

    Cooling of the room

  • OtherIntervention A (Room temperature)

    Control condition (room temperature)

06

What researchers measure

Primary outcomes

  1. Number of hot flashes

    Number of hot flashes, based on sternal skin conductance measurement

    Time frame: Across the ~5 hour experimental period in the lab

07

Study locations

1 of 1 sites recruiting
  • SRI International
    Menlo Park, California 94025-3453, United States
    Recruiting
08

References and documents

Individual participant data

Plan to share: Undecided

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Sep 17, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT07824648
Lead sponsor
SRI International
Responsible party
Sponsor
First posted
Sep 17, 2026
Start date
May 5, 2026
Primary completion
Sep 15, 2027 (estimated)
Completion
Sep 15, 2027 (estimated)
Last update
Sep 17, 2026

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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