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Can ice packs speed up surgery recovery? new study investigates

NCT ID NCT04564963

Symptom relief Sponsor: Sunnybrook Health Sciences Centre 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study tested whether applying ice packs over surgical incisions every 4 hours for up to 72 hours can improve patients' recovery after chest, abdomen, or groin surgery. 196 adults were randomly assigned to receive cryotherapy plus standard care or standard care alone. The main goal was to see if a larger trial is possible, while also measuring pain and quality of recovery.

What this could mean

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

Active substance
Cryotherapy (ice packs or gel packs applied over the surgical incision)
What this could lead to
If this works, it could provide a simple, low-cost way to improve recovery and reduce pain after surgery without extra drugs.
What could go wrong
This is a small vanguard trial focused on feasibility, not on proving effectiveness. The results may not show clear benefits, and a larger trial is needed to confirm any findings.

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

196 people

The number who actually took part.

Started

Oct 2021

Finished

Aug 2022

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 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: * Age ≥18 years * Scheduled for an elective surgery requiring a thoracic, abdominal or groin incision * Scheduled to remain in hospital for at least one night, post-operatively Exclusion Criteria: * Anticipated to require intubation overnight post-operatively * Raynaud's phenomenon

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Conditions

The condition(s) this trial relates to.

agnosia Pain, Postoperative

As listed by the trial registrant

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

Postoperative pain

Contacts and locations

Locations

  • North York General Hospital

    North York, Ontario, M2K 1E1, Canada

  • Sunnybrook Health Sciences Centre

    Toronto, Ontario, M4N 3M5, Canada

  • The Ottawa Hospital

    Ottawa, Ontario, K1H 8L6, Canada

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