Early Markers of Disease and Response to Therapy

Completed · Early Phase 1

Conditions studied: Type 1 Diabetes

In brief

The purpose of this study is to identify early immune markers associated with response to treatment with abatacept in individuals with Type 1 diabetes (T1D). In this open label mechanistic study, participants who were recently diagnosed with T1D (males or females, ages 6-45 and \<7months from T1D diagnosis) will be treated with a short-course of abatacept (weekly subcutaneous injections for 3 months). Participants will undergo baseline and repeated mixed meal tolerance testing (MMTT) to assess disease progression and blood samples will be obtained at frequent intervals to measure changes in immune markers.

Key facts

Study ID

NCT04118153

Run by

Sandra Lord, MD

People needed

60

Starts

2021-03-05

Expected to finish

2024-05-24

Last updated by the study team

2024-06-04

Who can join

Age: 6 and older, up to 55. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• ≤ 7 months from type 1 diabetes diagnosis based on ADA criteria
• > 21 days from type 1 diabetes diagnosis or metabolically stable per study physician assessment
• Males and females 6-55 years of age, inclusive, at time of screening visit
• Peak MMTT stimulated C-peptide ≥ 0.2 pmol/ml
• Females of child-bearing age must be willing to use effective birth control for 1 year (which may include abstinence) from screening visit and undergo regular pregnancy testing
• Up to date for clinically recommended immunizations prior to screening
• Willing to forgo live vaccines 3 months prior to the screening visit until three months following last study drug administration
• Willing and able to give informed consent or have parent or legal guardian provide informed consent if the subject is < 18 years of age
• Weight ≥ 20 kg at baseline visit
• HbA1c ≤ 8.5% at baseline visit
• Positive for at least 1 diabetes autoantibody (excluding mIAA in those who have received ≥ 2 weeks of exogenous insulin therapy)

You may not qualify if…

• Concurrent or recent (within the past 30 days of screening MMTT (visit -1)) use of non-insulin therapies aimed to control hyperglycemia
• Females who are pregnant or lactating
• Immunodeficiency or clinically significant chronic lymphopenia
• Have an active infection at time of screening or baseline visit
• Recent exposure, or possible or known active SARS-CoV-2 infection as defined by public health guidelines
• Positive QuantiFERON or PPD TB test, history of tuberculosis, or active TB infection
• Active infection with EBV or CMV, defined by real-time PCR
• History of other clinically significant autoimmune disease needing chronic therapy with biologics or steroids with the exception of celiac disease and stable thyroid disease
• Require use of other immunosuppressive agents for any other condition
• Use of medications known to influence glucose tolerance
• Have any complicating medical or psychological issues or abnormal clinical laboratory results that interfere with study conduct or cause increased risk. These include pre-existing cardiac disease, COPD, neurological, or clinically significant blood count abnormalities (such as lymphopenia, leukopenia, or thrombocytopenia).
• Have serologic evidence of current or past HIV, Hepatitis B (positive for Hepatitis B core antibody or surface antigen), or Hepatitis C infection.
• Have a history of malignancies
• Receipt of live vaccine (MMR, intranasal influenza, varicella, rotatvirus) in 3 months before treatment

Where it is running

• Benaroya Research Institute — Seattle, Washington, United States
• Medical College of Wisconsin — Milwaukee, Wisconsin, United States

Full record on ClinicalTrials.gov

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