NCT05207995

Brief Summary

The purpose of this study is to determine the safety and tolerability of the administration of tolerogenic dendritic cells in patients with type 1 diabetes mellitus.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
32

participants targeted

Target at P50-P75 for phase_1 diabetes-mellitus

Timeline
Completed

Started Mar 2022

Typical duration for phase_1 diabetes-mellitus

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

November 29, 2021

Completed
2 months until next milestone

First Posted

Study publicly available on registry

January 26, 2022

Completed
1 month until next milestone

Study Start

First participant enrolled

March 1, 2022

Completed
1.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 26, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 26, 2023

Completed
Last Updated

December 2, 2025

Status Verified

December 1, 2025

Enrollment Period

1.8 years

First QC Date

November 29, 2021

Last Update Submit

December 1, 2025

Conditions

Outcome Measures

Primary Outcomes (14)

  • The glucose concentration in blood

    To assess the glucose concentration in blood

    1 month

  • The glycated hemoglobin concentration

    To assess the β-cell function measured by the glycated hemoglobin in blood

    1 month

  • The C-peptide level in blood

    To assess the β-cell function measured by the C-peptide level

    1 month

  • The glucose concentration in blood

    To assess the glucose concentration in blood

    6 months

  • The glycated hemoglobin concentration

    To assess the β-cell function measured by the glycated hemoglobin in blood

    6 months

  • The C-peptide level in blood

    To assess the β-cell function measured by the C-peptide level

    6 months

  • The glucose concentration in blood

    To assess the glucose concentration in blood

    1 year

  • The glycated hemoglobin concentration

    To assess the β-cell function measured by the glycated hemoglobin in blood

    1 year

  • The C-peptide level in blood

    To assess the β-cell function measured by the C-peptide level

    1 year

  • Autoantigen specific T cell count

    To determine the autoantigen specific T cell count using the flow cytometry

    1 month

  • Autoantigen specific T cell count

    To determine the autoantigen specific T cell count using the flow cytometry

    6 months

  • Autoantigen specific T cell count

    To determine the autoantigen specific T cell count using the flow cytometry

    1 year

  • Adverse effects associated with the therapy

    Determination of adverse effects associated with the therapy

    1 month

  • Adverse effects associated with the therapy

    Determination of adverse effects associated with the therapy

    1 year

Study Arms (2)

Patients with Type 1 Diabetes Mellitus receiving standard treatment and Tolerogenic Dendritic Cells

EXPERIMENTAL

Group 1: Patients with Type 1 Diabetes Mellitus receiving standard treatment and Tolerogenic Dendritic Cells

Biological: Autologous tolerogenic dendritic cellsOther: Standard treatment according to the clinical protocols

Patients with Type 1 Diabetes Mellitus receiving standard treatment

ACTIVE COMPARATOR

Group 2: Patients with Type 1 Diabetes Mellitus receiving standard treatment

Other: Standard treatment according to the clinical protocols

Interventions

Autologous tolerogenic dendritic cells treated with Vitamin-D3, co-cultivated with mesenchymal stem cell and primed peptides (MSC-tolDC) injected subcutaneous.

Patients with Type 1 Diabetes Mellitus receiving standard treatment and Tolerogenic Dendritic Cells

Standard treatment of type 1 diabetes mellitus according to the clinical protocols

Patients with Type 1 Diabetes Mellitus receiving standard treatmentPatients with Type 1 Diabetes Mellitus receiving standard treatment and Tolerogenic Dendritic Cells

Eligibility Criteria

Age18 Years - 60 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • 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

You may not qualify if:

  • 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

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Healthcare institution "Minsk City Clinical Endocrinology Center"

Minsk, 220000, Belarus

Location

MeSH Terms

Conditions

Diabetes Mellitus

Condition Hierarchy (Ancestors)

Glucose Metabolism DisordersMetabolic DiseasesNutritional and Metabolic DiseasesEndocrine System Diseases

Study Officials

  • antonevich.n@gmail.com Antonevich, Dr

    the Institute of Biophysics and Cell Engineering of National Academy of Sciences of Belarus

    STUDY DIRECTOR
  • Tatiana Mokhort, Prof

    Belarusian State Medical University

    STUDY DIRECTOR
  • Andrei Y Hancharou, Dr.

    The Institute for Biophysics and Cell Engineering of the NAS of Belarus

    STUDY DIRECTOR
  • Yana S Minich

    The Institute for Biophysics and Cell Engineering of the NAS of Belarus

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER GOV
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 29, 2021

First Posted

January 26, 2022

Study Start

March 1, 2022

Primary Completion

December 26, 2023

Study Completion

December 26, 2023

Last Updated

December 2, 2025

Record last verified: 2025-12

Data Sharing

IPD Sharing
Will not share

Locations