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Published on: August 16, 2019
DiaPep277® and immune intervention for treatment of type 1 diabetes
Nanette C Schloot1, Irun R Cohen
1Institute for Clinical Diabetology, German Diabetes Center, Leibniz-Center for Diabetes Research, Heinrich-Heine University, Düsseldorf, Germany.
Abstract:
Type 1 diabetes is a chronic immune-mediated disease resulting in destruction of insulin-producing β-cells. Several studies have been performed aiming to halt disease progression after diagnosis; to reduce the increased diabetes risk in islet-autoantibody positive subjects; and to prevent the onset of β-cell autoimmunity in subjects genetically at risk but without autoantibodies. Whereas secondary prevention trials failed, trials in newly diagnosed patients have shown partial success in preserving C-peptide. These studies target T-cells and inflammation and make use of antigen-specific immune modulation or stem cell approaches. However, thus far no immune-based therapeutic regimen has cured type 1 diabetes after its clinical onset or has stabilized the decline of C-peptide to achieve the status of an approved drug. This review summarizes immune intervention trials and the current knowledge of DiaPep277® peptide as a form of immune intervention in type 1 diabetes.
Insights
Type 1 diabetes immune intervention trials show partial success in preserving C-peptide in newly diagnosed patients. However, no immune-based therapy has yet cured type 1 diabetes or gained drug approval.
Area of Science:
- Immunology
- Endocrinology
- Clinical Trials
Background:
- Type 1 diabetes is an autoimmune disease causing beta-cell destruction.
- Current research aims to halt progression, reduce risk, and prevent onset.
- Existing secondary prevention trials have been unsuccessful.
Purpose of the Study:
- To review immune intervention trials for type 1 diabetes.
- To summarize current knowledge on DiaPep277® peptide as an immune intervention.
Main Methods:
- Review of clinical trials targeting T-cells and inflammation.
- Analysis of antigen-specific immune modulation and stem cell approaches.
- Evaluation of DiaPep277® peptide's role in immune intervention.
Main Results:
- Trials in newly diagnosed patients show partial success in C-peptide preservation.
- No immune-based regimen has cured type 1 diabetes post-onset.
- No immune intervention has stabilized C-peptide decline to drug approval status.
Conclusions:
- Immune intervention strategies show promise but require further development.
- DiaPep277® peptide represents a potential avenue for immune intervention in type 1 diabetes.
- Achieving a cure or stable C-peptide preservation remains an unmet clinical need.
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