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Warm blankets during surgery may shield Seniors' brains

NCT ID NCT07655687

Symptom relief Sponsor: Peking University First Hospital 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether keeping older patients (65+) at a slightly higher body temperature (36.8°C) during major cancer surgery can reduce the risk of delayed neurocognitive recovery—a kind of short-term confusion or memory decline that can happen after surgery. About 1,500 participants will be randomly assigned to either targeted warming or standard care. The goal is to see if this simple, non-drug approach helps protect brain function after surgery.

What this could mean

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

Active substance
targeted temperature management (warming blankets, heated mattresses, warmed fluids)
What this could lead to
If it works, this could show that a simple warming strategy during surgery helps older patients avoid short-term confusion and memory decline after major cancer surgery.
What could go wrong
This is a relatively early-stage trial (Phase NA) and the benefit may be small or not apply to all patients. The intervention is non-drug and the outcome depends on careful temperature control, which may be hard to standardize across hospitals.

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 1,512 people

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

Expected to start

Jun 2026

An estimate. Start dates often move.

Expected to finish

Nov 2028

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

65 years and older

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: 1. Age ≥ 65 years. 2. Planned potentially curative initial cancer surgery with an expected duration of 2 hours or longer under general anesthesia. Exclusion Criteria: 1. Preoperative fever (tympanic temperature ≥ 38℃). 2. Known or suspected preoperative infection. 3. Previous schizophrenia, epilepsy, Parkinson's disease, myasthenia gravis, or preexisting delirium. 4. Inability to communicate due to coma, severe dementia, or hearing or speech impairment. 5. Critically ill patients, defined as NYHA functional class \> III or LVEF \< 30%, Child-Pugh class C, preoperative dialysis dependence, ASA physical status \> IV, or expected survival \< 24 hours. 6. Surgery for breast cancer, intracranial tumors, or rare cancers. 7. Planned to undergo therapeutic hypothermia. 8. Body mass index \> 30 kg/m² (to facilitate temperature management). 9. Previous enrollment in this study. 10. Other conditions deemed unsuitable for study participation.

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Conditions

The condition(s) this trial relates to.

cancer Hypothermia

As listed by the trial registrant

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

Cancer surgery Delayed neurocognitive recovery Elderly patients Hypothermia, accidental Targeted temperature management

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    2 sites. 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

  • Peking University First Hospital

    Beijing, Beijing Municipality, 100034, China

  • Peking University Shenzhen Hospital

    Shenzhen, Guangdong, 518036, China

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