Cited by 70Diabetes and associated disordersPancreatic function and diabetesT-cell and B-cell Immunology

Antithymocyte globulin plus G-CSF combination therapy leads to sustained immunomodulatory and metabolic effects in a subset of responders with established type 1 diabetes

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Haller, Michael J., Gitelman, Stephen E., Gottlieb, Peter A., Michels, Aaron W., Perry, Daniel J., Schultz, Andrew R., Hulme, Maigan A., Shuster, Jonathan J. +7 more·2016·Diabetes

Abstract

Low-dose antithymocyte globulin (ATG) plus pegylated granulocyte colony-stimulating factor (G-CSF) preserves β-cell function for at least 12 months in type 1 diabetes. Herein, we describe metabolic and immunological parameters 24 months following treatment. Patients with established type 1 diabetes (duration 4–24 months) were randomized to ATG and pegylated G-CSF (ATG+G-CSF) (N = 17) or placebo (N = 8). Primary outcomes included C-peptide area under the curve (AUC) following a mixed-meal tolerance test (MMTT) and flow cytometry. “Responders” (12-month C-peptide ≥ baseline), “super responders” (24-month C-peptide ≥ baseline), and “nonresponders” (12-month C-peptide < baseline) were evaluated for biomarkers of outcome. At 24 months, MMTT-stimulated AUC C-peptide was not significantly different in ATG+G-CSF (0.49 nmol/L/min) versus placebo (0.29 nmol/L/min). Subjects treated with ATG+G-CSF demonstrated reduced CD4+ T cells and CD4+/CD8+ T-cell ratio and increased CD16+CD56hi natural killer cells (NK), CD4+ effector memory T cells (Tem), CD4+PD-1+ central memory T cells (Tcm), Tcm PD-1 expression, and neutrophils. FOXP3+Helios+ regulatory T cells (Treg) were elevated in ATG+G-CSF subjects at 6, 12, and 18 but not 24 months. Immunophenotyping identified differential HLA-DR expression on monocytes and NK and altered CXCR3 and PD-1 expression on T-cell subsets. As such, a group of metabolic and immunological responders was identified. A phase II study of ATG+G-CSF in patients with new-onset type 1 diabetes is ongoing and may support ATG+G-CSF as a prevention strategy in high-risk subjects.

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  • Pilot studies found early and lasting benefit from low-dose anti-thymocyte globulin plus granulocyte colony-stimulating factor.

    “low-dose anti-thymocyte globulin in combination with granulocyte colony-stimulating factor has shown early and sustained efficacy in pilot studies153,154”

    From Type 1 diabetes (2018) · cites this paper as [153]

    The Introduction and Conclusions (page numbers not supplied) report preservation of β-cell function for 12 months with low-dose ATG plus G-CSF. The Conclusions report sustained immunomodulatory effects at 24 months, but the difference in β-cell function versus placebo was no longer statistically significant. Thus, the paper does not establish sustained metabolic efficacy for the pilot cohort as a whole. (LLM, conf=0.89)

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Authors
Haller, M. J., Gitelman, S. E., Gottlieb, P. A., Michels, A. W., Perry, D. J., Schultz, A. R., Hulme, M. A., Shuster, J. J., Zou, B., Wasserfall, C. H., Posgai, A. L., Mathews, C. E., Brusko, T. M., Atkinson, M. A., & Schatz, D. A.
Affiliations
  • University of Florida Health (US)
  • University of California, San Francisco (US)
  • University of Colorado Denver (US)
  • University of Florida (US)
Corresponding author
Haller, Michael J.
Venue
Diabetes
Published
2016-09-26
Volume
65
Issue
12
Pages
3765-3775
ISSN
  • 0012-1797 (ISSN-L)
  • 1939-327X
OpenAlex
W2525595583
Cited by
70
References
25
Citations by year
2026: 2 · 2025: 4 · 2024: 5 · 2023: 8 · 2022: 4 · 2021: 10 · 2020: 8 · 2019: 7 · 2018: 14 · 2017: 8
FWCI
7.80
Type
journal article
Language
en
Open access
Locations
  • Diabetes (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • Leona M. and Harry B. Helmsley Charitable Trust (2014PG-T1D010, 2015PG-T1D032)
  • NIH (2-2012-280, 2-PDF-2016-207-A-N)
  • JDRF
  • McJunkin Family Charitable Foundation
  • National Center for Advancing Translational Sciences (UL1-TR-001427)
  • National Center for Research Resources (UL1-TR-000004)
  • American Diabetes Association (ADA 7-12-MN-030)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Diabetes and associated disorders
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
Keywords
type 1 diabetes, antithymocyte globulin, combination therapy, beta-cell function, C-peptide, immunomodulation, regulatory T cells, PD-1, natural killer cells, T cell subsets, HLA-DR expression, CXCR3, metabolic response, treatment responders
MeSH terms
Adolescent, Adult, Antilymphocyte Serum, C-Peptide, Child, Diabetes Mellitus, Type 1, Female, Humans, Immunologic Factors, Killer Cells, Natural, Male, Middle Aged, Monocytes, Polyethylene Glycols, Recombinant Proteins, CD4-Positive T-Lymphocytes, T-Lymphocyte Subsets, Granulocyte Colony-Stimulating Factor, Receptors, IgG, CD8-Positive T-Lymphocytes, CD56 Antigen, Area Under Curve, T-Lymphocytes, Regulatory, Forkhead Transcription Factors, Receptors, CXCR3, Young Adult

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