Type 1 diabetes
Prevention

In addition to anti-CD3 antibodies, several other immunosuppressive agents have been trialled to prevent beta cell destruction. Large trials of cyclosporine treatment suggested that cyclosporine could improve insulin secretion in those recently diagnosed with type 1 diabetes; however, people who stopped taking cyclosporine rapidly stopped making insulin, and cyclosporine's kidney toxicity and increased risk of cancer prevented people from using it long-term. Several other immunosuppressive agents – prednisone, azathioprine, anti-thymocyte globulin, mycophenolate, and antibodies against CD20 and IL2 receptor α – have been the subject of research. None has provided lasting protection from the development of type 1 diabetes. There have also been clinical trials attempting to induce immune tolerance by vaccination with insulin, GAD65, and various short peptides targeted by immune cells during type 1 diabetes; none have yet delayed or prevented development of disease.
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