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New blood test may reveal how many insulin cells kids with diabetes still have

NCT ID NCT05594706

Knowledge-focused Sponsor: University Hospital, Geneva Source: ClinicalTrials.gov ↗

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at whether a substance in the blood called 1,5-anhydroglucitol can help measure how many insulin-making cells (beta cells) children with type 1 diabetes still have. Researchers will compare levels in 60 children with diabetes (newly diagnosed and long-term) to healthy volunteers. The goal is to find a simple blood test that tracks beta-cell function over time, which could improve diabetes care.

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 60 people

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

Started

Jan 2023

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.

Who is studied

Among children with type 1 diabetes, aged 2 to 18 years: 15 newly diagnosed patients and 15 age- and sex-matched controls. 5 patients with a diabetes duration of 3 (36 - 47 months), 5 patients with a disease duration of 5 (60 - 71 months) and 5 patients with a disease duration of 10 years (120 - 131 months) and 15 corresponding age- and sex-matched controls.

Ages

2 to 18 years

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: * Type 1 diabetes with positive autoantibodies against islets, insulin, islet antigen 2 (IA2), glutamic acid decarboxylase (GAD) 65 or zinc transporter (ZnT)8. * Treatment with continuous subcutaneous insulin infusion (CSII) with or without automated insulin delivery (AID). * Monitoring with a continuous glucose measurement system (CGMS) or flash glucose monitor (FGM). * Patient willing to keep the same type of CGMS or FGM during the year of observation * Ability to give informed consent as documented by signature Exclusion Criteria: * Patients treated with multiple daily injections (MDI) or not willing to wear a CGMS of FGM * Patients changing the type of CGMS during the course of the study.

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Conditions

The condition(s) this trial relates to.

type 1 diabetes mellitus type 1 diabetes mellitus 1

As listed by the trial registrant

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

Diabetes mellitus, type 1

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

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Contacts and locations

Locations

  • University Hospital of Geneva

    RECRUITING

    Geneva, Canton of Geneva, 1211, Switzerland

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