• L A Allen and C M Dayan.
• Diabetes Research Group, Cardiff University, Cardiff, UK.
• Br. Med. Bull. 2021 Dec 16; 140 (1): 76-90.

IntroductionDespite advances in technology including the development of more sophisticated methods of monitoring blood glucose and delivering insulin, many individuals with type 1 diabetes continue to experience significant challenges in optimizing glycaemic control. Alternative treatment approaches to insulin are required. Increasing efforts have focused on developing treatments aimed at targeting the underlying disease process to modulate the immune system, maximize beta cell function and enhance endogenous insulin production and action.Sources Of DataLiterature searches with keywords 'Type 1 diabetes and immunotherapy', publications relating to clinical trials of immunotherapy in type 1 diabetes.Areas Of AgreementInsulin therapy is insufficient to achieve optimal glycaemic control in many individuals with type 1 diabetes, and new treatment approaches are required. Studies have showed promising results for the use of immunotherapy as a means of delaying disease onset and progression.Areas Of ControversyThe optimal way of identifying individuals most likely to benefit from immunotherapies.Growing PointsA better understanding of the natural history of type 1 diabetes has made it possible to identify individuals who have developed autoimmunity but have not yet progressed to clinical diabetes, offering opportunities not only to develop treatments that delay disease progression, but prevent its development in the first place. A consensus on how to identify individuals who may benefit from immunotherapy to prevent disease onset is needed.Areas Timely For Developing ResearchThe development of optimal strategies for preventing and delaying progression of type 1 diabetes, and monitoring the response to immunointervention.© The Author(s) 2021. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com.

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