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Safety, Tolerability, and Efficacy of Immunomodulation With A Monoclonal Antibody Against CD40L in Combination With Transplanted Islet Cells in Adults With Brittle Type 1 Diabetes Mellitus (T1D)

NCT06305286 · Status: RECRUITING · Phase: PHASE1/PHASE2 · Type: INTERVENTIONAL · Enrollment: 70

Last updated 2026-03-06

No results posted yet for this study

Summary

Tegoprubart (AT-1501) is a monoclonal antibody. Antibodies are Y-shaped proteins that are produced naturally by the subject's immune system to attack and fight foreign substances that cause illness. Monoclonal antibodies are man-made proteins manufactured to serve as substitute antibodies to fight diseases. Monoclonal antibodies can restore, enhance, or mimic (copy) the immune system's attack process; they can also tone down the immune system. Tegoprubart (AT-1501) is thought to work by dampening down the immune system so that it will be less likely to attack the transplanted cells. For other types of transplants, like kidney, a drug called a calcineurin inhibitor is usually used to prevent rejection. That class of drugs can be toxic to islet cells. Tegoprubart (AT-1501) is an experimental agent that is anticipated to prevent rejection without harming the islet cells.

Conditions

  • Type 1 Diabetes Mellitus

Interventions

DRUG

Islet transplantation with Tegoprubart (AT-1501) immunosupression-based therapy

Tegoprubart (AT-1501) is a monoclonal antibody for Injection is a humanized immunoglobulin G1 (IgG1) kappa monoclonal anti-CD40L antibody that blocks CD40L binding to its receptor, CD40. Safety and effectiveness of islet transplantation with Tegoprubart- based, calcineurin inhibitor-free (tacrolimus-free) immunosupression regimen is being tested. The goal is improve outcomes of islet transplantation avoiding toxicity and side effect of standard, tacrolimus- based immunosupression therapy.

Sponsors & Collaborators

  • Juvenile Diabetes Research Foundation

    collaborator OTHER

  • Cure Alliance

    collaborator UNKNOWN

  • Breakthrough T1D

    collaborator OTHER

  • Eledon Pharmaceuticals

    collaborator INDUSTRY

  • University of Chicago

    lead OTHER

Principal Investigators

  • Piotr Witkowski, MD PhD · University of Chicago

Study Design

Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Max Age
65 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2024-03-04
Primary Completion
2029-03-31
Completion
2029-03-31
FDA Drug
Yes

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06305286 on ClinicalTrials.gov