Cooler or warmer? new trial tests best temperature for aortic surgery safety

NCT ID NCT02860364

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study tests whether cooling patients to 32°C (mild) or 26°C (moderate) during aortic arch surgery better protects the brain and kidneys. 282 adults having planned aortic hemiarch surgery will be randomly assigned to one temperature. The goal is to see which temperature reduces complications like stroke and kidney injury.

What this could mean

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

Active substance

hypothermia (mild or moderate) during surgery

What this could lead to

If mild hypothermia works better, it could reduce brain and kidney damage after aortic surgery, leading to safer procedures and faster recovery.

What could go wrong

This is a mid-stage trial with 282 patients, so results may not apply to all. The difference between mild and moderate cooling might be small, and there are always risks from major surgery itself.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

aortic disorder thoracic aortic aneurysm

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Dalhousie university

    NOT_YET_RECRUITING

    Halifax, Nova Scotia, B3H 3A7, Canada

    Contact

  • Fraser Health Authority

    RECRUITING

    Surrey, British Columbia, V3T 0H1, Canada

    Contact

  • Institut universitaire de cardiologie et de pneumologie de Québec

    RECRUITING

    Québec, Quebec, G1V 4G5, Canada

    Contact

  • Kelowna General Hospital

    RECRUITING

    Kelowna, British Columbia, V1Y 1T2, Canada

    Contact

  • London Health Sciences Centre

    RECRUITING

    London, Ontario, N6A 5A5, Canada

    Contact

  • Massachusetts General

    RECRUITING

    Boston, Massachusetts, 02114, United States

    Contact

  • Montreal Heart Institute

    RECRUITING

    Montreal, Quebec, H1T 1C8, Canada

    Contact

  • Ohio State University Medical Center

    RECRUITING

    Columbus, Ohio, 43210, United States

    Contact

  • The Valley Hospital

    RECRUITING

    Ridgewood, New Jersey, 07450, United States

    Contact

    Contact

  • University Health Network

    RECRUITING

    Toronto, Ontario, M5G 2N2, Canada

    Contact

  • University of British Columbia

    NOT_YET_RECRUITING

    Vancouver, British Columbia, V6Z 1Y6, Canada

    Contact

  • University of Ottawa Heart Institute

    RECRUITING

    Ottawa, Ontario, K1Y 4W7, Canada

    Contact