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Can a wearable glucose sensor survive the operating room?

NCT ID NCT06614127

Knowledge-focused Sponsor: Loma Linda University 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 13, 2026 · Last updated Aug 14, 2026 · Updated 1 time

Summary

This pilot study tests whether the Dexcom G7 continuous glucose monitor, a wearable sensor that tracks blood sugar, can maintain a reliable connection during surgery. The device is placed on either the upper arm or the lateral thigh in adults undergoing operations lasting at least three hours. Researchers will measure how often the sensor stays connected, especially during the use of electrocautery, which may interfere with the signal. The goal is to see if this technology can be used effectively in the operating room.

What this could mean

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

Active substance
Dexcom G7 continuous glucose monitor
What this could lead to
If the Dexcom G7 stays connected reliably in the operating room, it could enable real-time glucose tracking during surgery, improving safety for patients with diabetes.
What could go wrong
This is a small pilot study, and connectivity may still be unreliable despite the sensor's placement. Results may not apply to all surgical settings or patient types.

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

45 people

The number who actually took part.

Started

Oct 2024

Expected to finish

Oct 2026

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.

Who is studied

Adult abdominal and general surgical patients.

Ages

18 to 65 years

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: * Adults age 18 and above able to consent for themselves * Willingness and ability to participate in study procedures * Surgery length estimated 3 hours or longer Exclusion Criteria: * Cardiothoracic surgical patients * Plan for intraoperative radiologic imaging * Patients on IV infusion of insulin prior to surgery * Anemia with hemoglobin less than 7 * Patients on hydroxyurea * Patients with known adhesive allergies * Pregnant women

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As listed by the trial registrant

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

Anesthesia

Contacts and locations

Locations

  • Loma Linda University Troesch Medical Center

    Loma Linda, California, 92354, United States

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