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Ice pack study reveals how cold hands really feel

NCT ID NCT07254182

Knowledge-focused Sponsor: Poznan University of Physical Education Source: ClinicalTrials.gov ↗

What the study statuses mean

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study tested how a 15-minute ice pack on the back of the hand changes skin temperature and how cold or comfortable it feels. Thirty-nine healthy young men were randomly assigned to get either an ice pack or a room-temperature water pack. Researchers measured skin temperature and asked participants to rate their thermal sensation and comfort. The goal was to understand basic body responses to cold, not to treat any disease.

What this could mean

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

Active substance
Ice pack (localized cryotherapy)
What this could lead to
If successful, this could help design better cooling methods for sports or therapy, but it is a basic observation study.
What could go wrong
This is a small, early study in healthy young men only. Results may not apply to women, older adults, or people with medical conditions. No treatment benefit is tested.

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

39 people

The number who actually took part.

Started

Apr 2018

Finished

Jul 2018

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 30 years

Sex

Male 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: * Healthy male volunteers (university student population). * Good general health with no history of neck or upper-quadrant pain. * Able to provide written informed consent. * Willing to comply with pre-visit restrictions on the study day (abstain from tobacco, coffee, alcohol; no hand ointments for 24 h; wash/degrease hands ≥1 h before testing; refrain from vigorous exercise/physical treatments for 24 h). Exclusion Criteria: * Diabetes * Thyroid or other endocrine dysfunction * Significant spinal pain * Generalised neurological or rheumatological disorders * Regular use of pain medications or psychotropic medications

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As listed by the trial registrant

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

Body temperature regulation Cold exposure Thermal comfort perception

Contacts and locations

Locations

  • Poznan University of Physical Education, Department of Physical Therapy and Sports Recovery

    Poznan, 61-871, Poland

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