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Can 'Peacekeeper' cells stop diabetes in its tracks?

NCT ID NCT05207995

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
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This early-phase study tested whether a new type of immune cell, called a tolerogenic dendritic cell, is safe for people with type 1 diabetes. The cells were made from each patient's own blood and designed to calm the immune system attack on the pancreas. 32 participants received the cells or standard care, and researchers monitored blood sugar, insulin markers, and side effects.

What this could mean

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

Active substance
tolerogenic dendritic cells (immune cells trained to calm the immune system)
What this could lead to
If successful, this approach could point toward a way to preserve insulin production in type 1 diabetes without lifelong immune suppression.
What could go wrong
This is an early-phase safety study with only 32 participants. It is not designed to prove effectiveness, and the treatment may not work or may have side effects.

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

Phase 1/2

Runs two stages together: safety and dose first, then whether the treatment works.

Participants

32 people

The number who actually took part.

Started

Mar 2022

Finished

Dec 2023

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

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

Ages

18 to 60 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: * Clinical diagnosis of Type 1 Diabetes Mellitus * The patient can read, understand, follow the examination procedures and complete, if necessary, the required documentation * Written informed consent Exclusion Criteria: * The presence of any malignant tumor within the last 5 years * Acute or chronic diseases in the stage of decompensation * Chronic infectious diseases: HIV, viral hepatitis B, C, tuberculosis * Patients who are pregnant, breastfeeding, or fertile patients who are not using adequate contraceptive methods * Chronic and protracted mental disorders, all diseases with the presence of the syndrome of dependence on alcohol, drugs and psychoactive substances, any other condition that makes the patient unable to understand the nature, extent and possible consequences of the study or, in the opinion of the researcher, prevents the patient from observing and performing protocol * Patients are unable or unwilling to give written informed consent and / or follow research procedures * Any other medical condition that, in the opinion of the investigator, may be associated with an increased risk to the patient or may affect the outcome or evaluation of the study

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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.

Contacts and locations

Locations

  • Healthcare institution "Minsk City Clinical Endocrinology Center"

    Minsk, 220000, Belarus

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Other studies related to the condition(s) this trial covers.