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Hot and cold therapy tested as depression treatment

NCT ID NCT06263738

What the study statuses mean

This study's is highlighted.

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether a single session of whole-body heat therapy (using an infrared sauna) with or without a cold water plunge can reduce depression symptoms. Researchers will enroll 162 adults with depressive symptoms and track their mood changes over two weeks. The goal is to see if these temperature-based procedures offer a simple, non-drug option for mood improvement.

What this could mean

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

Active substance
Whole Body Hyperthermia (infrared sauna) and Cold Water Plunge
What this could lead to
If it works, this could point toward a simple, drug-free way to reduce depression symptoms using heat and cold exposure.
What could go wrong
This is a small, early-stage trial with only a single treatment session and short follow-up. Results may not last or apply to everyone, and there are risks like discomfort or adverse reactions to extreme temperatures.

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 162 people

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

Started

May 2024

Expected to finish

Apr 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 65 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: * Individuals who currently meet study criteria for depression or individuals who do not currently meet criteria for depression * English or Spanish speaking (able to provide informed consent and complete questionnaires in one of these languages) * Able and willing to adhere to trial requirements, including attending all trial visits, preparatory and follow-up sessions, and completing all trial evaluations. Exclusion Criteria: * Previous adverse reaction to hypothermia, hyperthermia and/or infrared exposure * Use of any medication that may impact thermoregulatory capacity. * Pregnancy, active lactation, or intention to become pregnant during the study period. * Endorses current active suicidal ideation with a plan or made a suicide attempt in the prior 6 months.

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Conditions

The condition(s) this trial relates to.

Depression depressive disorder Hyperthermia major depressive disorder mood disorder Psychological Well-Being

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.

  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

  • Vail Health Behavioral Health Innovation Center

    RECRUITING

    Edwards, Colorado, 81632, United States

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