Status:

COMPLETED

T1DM Immunotherapy Using CD4+CD127lo/-CD25+ Polyclonal Tregs

Lead Sponsor:

University of California, San Francisco

Collaborating Sponsors:

Juvenile Diabetes Research Foundation

National Institute of Allergy and Infectious Diseases (NIAID)

Conditions:

Type 1 Diabetes Mellitus

Eligibility:

All Genders

18-45 years

Phase:

PHASE1

Brief Summary

The investigational therapy under study in this trial, regulatory T cells (Tregs), offers the hope of stabilizing further destruction of insulin producing beta cells in type 1 diabetes. Tregs are a sp...

Detailed Description

Currently, there is no approved medical treatment for preservation of the body's ability to produce insulin in patients with Type 1 Diabetes Mellitus (T1DM), and the progression of the disease can hav...

Eligibility Criteria

Inclusion

  • Diagnosis of T1DM within \>3 and \<24 months of screening according to the American Diabetes Association criteria
  • Between 18 and 45 years of age
  • Positive test for Epstein-Barr antibody
  • Positive test for at least one of the following antibodies:
  • ICA512-antibody
  • ICA
  • GAD65-antibody
  • Insulin (if assessed within 10 days of the onset of insulin therapy)
  • ZnT8
  • Peak C-peptide \>0.1 pmol/ml (\>0.3 ng/ml) during MMTT challenge
  • Adequate venous access to support draw of 400 ml whole blood and infusion of investigational therapy

Exclusion

  • Hemoglobin \<10.0 g/dL; leukocytes \<3,000/µL; neutrophils \<1,500/µL; lymphocytes \<800/µL; platelets \<100,000/µL
  • Regulatory T cells present in peripheral blood at \<10 per µl as determined by flow cytometry
  • Serologic evidence of HIV-1 or HIV-2 infection
  • Evidence of current hepatitis B as demonstrated by HBsAg or circulating hepatitis B genomes
  • Serologic evidence of hepatitis C infection
  • Detectable circulating EBV or CMV genomes or active infection
  • Positive PPD skin test defined as greater than or equal to 10 mm induration
  • Chronic use of systemic glucocorticoids or other immunosuppressive agents, or biologic immunomodulators within 6 months prior to study entry. Specifically, subjects who have received over 7 days of treatment with 7.5mg of prednisone (or the equivalent) within 6 months prior to study entry will be excluded.
  • History of malignancy ( including squamous cell carcinoma of the skin or cervix) except adequately treated basal cell carcinoma
  • Any chronic illness or prior treatment which in the opinion of the investigator should preclude participation in the trial
  • Pregnant or breastfeeding women, any female who is unwilling to use a reliable and effective form of contraception for 2 years afer Treg dosing and any male who is unwilling to use a reliable and effective form of contraception for 3 months after Treg dosing.

Key Trial Info

Start Date :

November 1 2010

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

January 1 2017

Estimated Enrollment :

16 Patients enrolled

Trial Details

Trial ID

NCT01210664

Start Date

November 1 2010

End Date

January 1 2017

Last Update

July 11 2018

Active Locations (2)

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Page 1 of 1 (2 locations)

1

University of California, San Francisco Medical Center

San Francisco, California, United States, 94143

2

Yale University

New Haven, Connecticut, United States, 06519