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CompletedNCT05207995Updated Dec 2, 2025

The Treatment of Patients With Type 1 Diabetes Mellitus With Autologous Tolerogenic Dendritic Cells

A Phase 1/2 interventional study of Autologous tolerogenic dendritic cells and Standard treatment according to the clinical protocols in Diabetes Mellitus, sponsored by Institute of Biophysics and Cell Engineering of National Academy of Sciences of Belarus. Completed at 1 site in Belarus. Open to participants aged 18 Years to 60 Years. Per ClinicalTrials.gov, last updated 2025-12-02.

Sponsored by Institute of Biophysics and Cell Engineering of National Academy of Sciences of Belarus · Phase 1/2, Interventional, and Treatment

Phase
Phase 1/2
Study type
Interventional
Enrollment
32
Allocation
Non-randomized
Ages
18 Years to 60 Years
Sex
All
01

Study 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.

Read the detailed description

The purpose of this study is to determine the safety and tolerability of the administration of autologous monocyte-derived dendritic cells tolerised with Vitamin-D3, co-cultivated with mesenchymal stem cell and primed peptides in patients with type 1 diabetes mellitus.

02

Conditions studied

  • Diabetes Mellitus

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03

In context

Diabetes Mellitus

10,925 studies on the registry are indexed under Diabetes Mellitus; 1,319 are open to participants now.

This study's enrollment of 32 is below the median of 80 across 8,367 interventional studies indexed under Diabetes Mellitus.

Browse Diabetes Mellitus studies →

Lead sponsor

Institute of Biophysics and Cell Engineering of National Academy of Sciences of Belarus is the lead sponsor of 24 studies on the registry; 1 is open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 60 Years
Sexes eligible
All
Accepts healthy volunteers
No

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

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
05

Study design

Phase
Phase 1 / Phase 2
Primary purpose
Treatment
Allocation
Non-randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
32 participants (actual)

Study arms

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

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

    Biological: Autologous tolerogenic dendritic cells · Other: Standard treatment according to the clinical protocols

  • Active comparator
    Patients with Type 1 Diabetes Mellitus receiving standard treatment

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

    Other: Standard treatment according to the clinical protocols

Interventions

  • BiologicalAutologous tolerogenic dendritic cells

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

  • OtherStandard treatment according to the clinical protocols

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

06

What researchers measure

Primary outcomes

  1. The glucose concentration in blood

    To assess the glucose concentration in blood

    Time frame: 1 month

  2. The glycated hemoglobin concentration

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

    Time frame: 1 month

  3. The C-peptide level in blood

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

    Time frame: 1 month

  4. The glucose concentration in blood

    To assess the glucose concentration in blood

    Time frame: 6 months

  5. The glycated hemoglobin concentration

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

    Time frame: 6 months

  6. The C-peptide level in blood

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

    Time frame: 6 months

  7. The glucose concentration in blood

    To assess the glucose concentration in blood

    Time frame: 1 year

  8. The glycated hemoglobin concentration

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

    Time frame: 1 year

  9. The C-peptide level in blood

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

    Time frame: 1 year

  10. Autoantigen specific T cell count

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

    Time frame: 1 month

  11. Autoantigen specific T cell count

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

    Time frame: 6 months

  12. Autoantigen specific T cell count

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

    Time frame: 1 year

  13. Adverse effects associated with the therapy

    Determination of adverse effects associated with the therapy

    Time frame: 1 month

  14. Adverse effects associated with the therapy

    Determination of adverse effects associated with the therapy

    Time frame: 1 year

07

Study locations

1 site
  • Healthcare institution "Minsk City Clinical Endocrinology Center"
    Minsk, 220000, Belarus
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Dec 2, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05207995
Lead sponsor
Institute of Biophysics and Cell Engineering of National Academy of Sciences of Belarus
Collaborators
Belarusian State Medical University
Responsible party
Sponsor
First posted
Jan 26, 2022
Start date
Mar 1, 2022
Primary completion
Dec 26, 2023
Completion
Dec 26, 2023
Last update
Dec 2, 2025

Study contacts

antonevich.n@gmail.com Antonevich, Dr
study director · the Institute of Biophysics and Cell Engineering of National Academy of Sciences of Belarus
Tatiana Mokhort, Prof
study director · Belarusian State Medical University
Andrei Y Hancharou, Dr.
study director · The Institute for Biophysics and Cell Engineering of the NAS of Belarus
Yana S Minich
principal investigator · The Institute for Biophysics and Cell Engineering of the NAS of Belarus

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Dec 2025. You cannot join it, but the record below documents what was studied.

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