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Reversing Type 1 Diabetes After it is Established

This study is ongoing, but not recruiting participants.
Sponsor:
Collaborators:
The Helmsley Charitable Trust
Genzyme, a Sanofi Company
Information provided by (Responsible Party):
University of Florida
ClinicalTrials.gov Identifier:
NCT01106157
First received: April 15, 2010
Last updated: March 28, 2014
Last verified: March 2014

April 15, 2010
March 28, 2014
April 2010
December 2013   (final data collection date for primary outcome measure)
Metabolic Function [ Time Frame: 12 months ] [ Designated as safety issue: No ]
Longitudinal comparison of blood glucose control, insulin usage, c-peptide production
Metabolic Function [ Time Frame: 12 months ] [ Designated as safety issue: No ]
Longitudinal comparision of blood glucose control, insulin usage, c-peptide production
Complete list of historical versions of study NCT01106157 on ClinicalTrials.gov Archive Site
Immune Responsiveness [ Time Frame: 24 months ] [ Designated as safety issue: No ]
Mechanistic understanding of potential of ATG + GCSF to modulate immune reactivities and induce tolerance in an autoimmune setting, with a focus on the role for T (Treg) cells
Same as current
Not Provided
Not Provided
 
Reversing Type 1 Diabetes After it is Established
Reversing Type 1 Diabetes After it is Established: A Pilot Safety and Feasibility Study of Anti-Thymocyte Globulin (Thymoglobulin®)and Pegylated GCSF (Neulasta®) in Established Type 1 Diabetes

The primary purpose of this study is to determine if giving the combination therapy consisting of Thymoglobulin® (ATG) and Neulasta® (GCSF) to patients with established Type 1 Diabetes (T1D) is safe and secondarily, if the ATG and GCSF will preserve insulin production.

This is a randomized, placebo controlled, phase I/II trial. Potential subjects will be screened via a 4 hour mixed meal tolerance test to assess residual beta cell (C-peptide) function. If the C-peptide level at any time is ≥ 0.1 pmol/ml, and the subject meets the additional inclusion and exclusion criteria, they will be eligible for randomization and enrollment. The study will be randomized 2:1 such that 17 subjects will receive active therapy and 8 will receive placebo. Subjects must receive Thymoglobulin®/ Neulasta® or placebo within 8 weeks of randomization. Thymoglobulin® (2.5mg/kg)/placebo will be given as 0.5 mg/kg IV on day 1 and 2 mg/kg on day 2. Six doses of Neulasta® (6mg/dose)/placebo will be given SC every 2 weeks, with the first dose given prior to discharge after the Thymoglobulin® infusion. Complete metabolic panel (CMP) and CBC will be done at the screening visit, just prior to study drug initiation, daily during the Thymoglobulin® infusion admission, and at follow up visits. Following discharge, daily phone calls will be made to the subjects during the first 5 days of therapy and weekly thereafter. In addition, weekly phone calls for the month following completion of therapy will be used to document adverse reactions. Thereafter calls will be made every two weeks.

Interventional
Phase 1
Phase 2
Allocation: Randomized
Endpoint Classification: Safety Study
Intervention Model: Parallel Assignment
Masking: Single Blind (Subject)
Primary Purpose: Treatment
Diabetes Mellitus, Type 1
  • Drug: Anti-Thymocyte Globin plus pegylated GCSF
    Anti-Thymocyte Globin (ATG)will be given as 0.5/mg/kg on day 1 and 2mg/kg on day 2, plus 6 doses of pegylated GCSF (6mg/dose)given subcutaneously every 2 weeks beginning after the ATG infusion
    Other Names:
    • Anti-Thymocyte Globin (Thymoglobulin)
    • Pegylated GCSF (Neulasta)
  • Drug: Placebo
    Saline infusions will be given on Day 1 and Day 2 followed by placebo injections given in identical volumes in identical syringes
  • Experimental: ATG + GCSF
    Subjects will receive an infusion of ATG followed by 6 doses of GCSF every 2 weeks for 10 weeks.
    Intervention: Drug: Anti-Thymocyte Globin plus pegylated GCSF
  • Placebo Comparator: Placebo
    Saline infusion will be given on both Day 1 and Day 2 followed by placebo injection given in identical volumes in identical syringes in the identical subcutaneous manner
    Intervention: Drug: Placebo
Parker MJ, Xue S, Alexander JJ, Wasserfall CH, Campbell-Thompson ML, Battaglia M, Gregori S, Mathews CE, Song S, Troutt M, Eisenbeis S, Williams J, Schatz DA, Haller MJ, Atkinson MA. Immune depletion with cellular mobilization imparts immunoregulation and reverses autoimmune diabetes in nonobese diabetic mice. Diabetes. 2009 Oct;58(10):2277-84. Epub 2009 Jul 23.

*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Active, not recruiting
25
December 2016
December 2013   (final data collection date for primary outcome measure)

Inclusion Criteria:

  • Must be > 12 years < 45
  • Must have a diagnosis of T1D of greater than 4 months duration, with an upper limit of 2 years, Now only recruiting for those diagnosed greater than 1 year but less than 2 years.
  • Must have at least one diabetes-related autoantibody present (e.g., ICA, GAD, ZnT8, or IA2 autoantibodies)
  • Must have stimulated C-peptide levels ≥ 0.1 pmol/ml (0.3ng/mL) when measured during a mixed meal tolerance test (MMTT), conducted at least 4 months from diagnosis of diabetes, and within 8 weeks of randomization
  • Must be EBV PCR negative within two weeks of randomization if EBV seronegative at screening
  • Be at least 6 weeks from last live immunization
  • Be willing to forgo live vaccines for 3 months following last dose of study drug
  • Be willing to comply with intensive diabetes management
  • Normal screening values for CBC, renal function and electrolytes (CMP).

Exclusion Criteria:

  • Be immunodeficient or have clinically significant chronic lymphopenia: (Leukopenia (< 3,000 leukocytes /μL), neutropenia (<1,500 neutrophils/μL), lymphopenia (<800 lymphocytes/μL), or thrombocytopenia (<125,000 platelets/μL).
  • Have a chronic infection at time of randomization
  • Have a positive PPD
  • Be currently pregnant or lactating, or anticipate getting pregnant within the next two years
  • Require use of other immunosuppressive agents
  • Have serologic evidence of current or past HIV, Tuberculosis, Hepatitis B or Hepatitis C infection
  • Have any complicating medical issues or abnormal clinical laboratory results that interfere with study conduct, or cause increased risk to include pre-existing cardiac disease, COPD, sickle cell disease, neurological, or blood count abnormalities (e.g., lymphopenia, leukopenia, or thrombocytopenia)
  • Have a history of malignancies
  • Evidence of liver dysfunction with AST or ALT greater than 3 times the upper limits of normal
  • Evidence of renal dysfunction with creatinine greater than 1.5 times the upper limit of normal
  • Vaccination with a live virus within the last 6 weeks
  • Current use of non-insulin pharmaceuticals that affect glycemic control
  • Active participation in another T1D treatment study in the previous 30 days
  • Known allergy to G-CSF or ATG
  • Prior treatment with ATG or known allergy to rabbit derived products
  • Any condition that in the investigator's opinion, may adversely affect study participation or may compromise the study results
Both
12 Years to 45 Years
No
Contact information is only displayed when the study is recruiting subjects
United States
 
NCT01106157
UF-ATG-GCSF001
Yes
University of Florida
University of Florida
  • The Helmsley Charitable Trust
  • Genzyme, a Sanofi Company
Principal Investigator: Michael J. Haller, MD University of Florida Pediatric Endocrinology
University of Florida
March 2014

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP