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Researchers track Insulin-Making cells in type 1 diabetes over years

NCT ID NCT02734277

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 18, 2026 · Updated 3 times

Summary

This study follows people who previously took part in type 1 diabetes trials to see how long their bodies continue to produce insulin. Researchers will also look at how immune system changes relate to insulin production. The goal is to gather information that could lead to better treatments in the future. About 111 participants will be observed over time.

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 111 people

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

Started

Jun 2016

Expected to finish

Aug 2028

An estimate. End dates often move.

Lead sponsor

A government research agency

The lead sponsor is the US National Institutes of Health.

Who can take part

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

Who is studied

Former participants in Immune Tolerance Network (ITN) new-onset Type 1 Diabetes Mellitus (T1DM) studies with immunomodulatory agents as the intervention.

Ages

8 to 35 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: * Prior participant in an Immune Tolerance Network (ITN) executive committee approved T1DM study. * Ability to sign informed consent/assent (as applicable for children). Exclusion Criteria: * Any medical condition that in the opinion of the principal investigator would interfere with safe completion of the trial; or * Inability to comply with the study visit schedule and required assessments.

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Conditions

The condition(s) this trial relates to.

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 study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    8 sites. The list below names each one and where it is.

  3. 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 ↗

  4. 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

  • Benaroya Research Institute

    RECRUITING

    Seattle, Washington, 98101, United States

  • Children's Mercy Hospital

    COMPLETED

    Kansas City, Missouri, 64108, United States

  • Emory University

    WITHDRAWN

    Atlanta, Georgia, 30322, United States

  • Indiana University Riley Hospital for Children

    RECRUITING

    Indianapolis, Indiana, 46202, United States

  • Joslin Diabetes Center

    RECRUITING

    Boston, Massachusetts, 02215, United States

    Contact Email: •••••@•••••

  • Sanford Research

    COMPLETED

    Sioux Falls, South Dakota, 57104, United States

  • Stanford University

    RECRUITING

    Stanford, California, 94305, United States

  • UCSF School of Medicine

    RECRUITING

    San Francisco, California, 94143, United States

  • University of Colorado School of Medicine: Barbara Davis Center for Diabetes

    RECRUITING

    Aurora, Colorado, 80045, United States

  • University of Iowa Health Care Division of Pediatric Endocrinology

    RECRUITING

    Iowa City, Iowa, 52242, United States

  • University of Minnesota

    RECRUITING

    Minneapolis, Minnesota, 55454, United States

  • Yale University

    COMPLETED

    New Haven, Connecticut, 06519, United States

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