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Could a smartwatch replace rectal thermometers in the ICU?

NCT ID NCT06942338

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study will check if a wristband called the CardioWatch 287-2 can accurately measure body temperature in 120 ICU patients. Currently, the most reliable method is a rectal probe, which is invasive and uncomfortable. The wristband uses skin temperature and heat flux to estimate core temperature. If it works well, it could offer a non-invasive, continuous way to monitor fever in hospital settings.

What this could mean

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

Active substance
Corsano CardioWatch 287-2 (wearable wristband)
What this could lead to
If accurate, this wristband could replace invasive temperature monitoring in hospitals, making it easier and more comfortable for patients.
What could go wrong
This is a small, early-stage accuracy study, not a treatment trial. The wristband may not be as reliable as current methods, and results may not apply to all patients.

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.

Participants

About 120 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

Dec 2026

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

We aim to include 120 individuals (mixed gender), of which 30-50% are displaying fever (\>38°C), who are administered to the intensive care unit or the recovery room of the Reinier de Graaf Gasthuis.

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: * ≥ 18 years old; * Able to provide consent * Administered at the ICU or recovery room of the Reinier de Graaf hospita Exclusion Criteria: * Unable to wear the Corsano CardioWatch 287 or Radius-T sensor due to reasons such as allergic reactions, wounds, amputations etc.; * Unable to receive rectal temperature monitoring; * Thermoregulatory problems or diseases; * Hyperthermia (\>40°C); * Known allergy to plastics / latex; * Patient not willing to sign informed consent; * Significant mental or cognitive impairment.

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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

  • Reinier de Graaf Gasthuis

    Delft, South Holland, 2625AD, Netherlands

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