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Smart patch could spot dangerous sugar drops after gastric bypass

NCT ID NCT07440706

Disease control Sponsor: Kaiser Clinic and Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether a continuous glucose monitor (CGM) can better detect low blood sugar episodes in people who had gastric bypass surgery and now have late dumping syndrome. Sixty participants will either use the iCan i3 CGM or standard fingerstick tests for 60 days. The goal is to see if the CGM catches more hypoglycemic events and improves quality of life.

What this could mean

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

Active substance
iCan i3 continuous glucose monitoring system (device)
What this could lead to
If successful, this device could help post-bariatric patients catch dangerous low blood sugar episodes faster and more reliably than fingerstick tests.
What could go wrong
This is a small, early-stage trial with only 60 participants, so results may not apply to everyone. The device may not be more effective than standard monitoring.

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 60 people

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

Started

Oct 2025

Expected to finish

Dec 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.

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: * Age 18-65 years * History of Roux-en-Y gastric bypass ≥12 months * Clinical diagnosis of late dumping syndrome * Stable body weight (\<5% variation in last 3 months) * Ability to provide informed consent Exclusion Criteria: * Diagnosis of diabetes mellitus under treatment * Use of antidiabetic medications (except acarbose) * Pregnancy or breastfeeding * Cognitive impairment affecting study participation * Known hypersensitivity to CGM adhesives * Conditions increasing risk of hypoglycemia (e.g., prolonged fasting) * Active or prior malignancy * Need for imaging procedures during study period

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Conditions

The condition(s) this trial relates to.

dumping syndrome hypoglycemia

As listed by the trial registrant

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

Dumping syndrome Post-bariatric hypoglycemia

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

  • Kaiser Clínica Hospital Dia

    RECRUITING

    São José do Rio Preto, São Paulo, 15015-110, Brazil

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