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ToolsInternational Autoimmune Hepatitis Group (IAIHG) collaborators (2022) Systematic review of response criteria and endpoints in autoimmune hepatitis by the International Autoimmune Hepatitis Group. Journal of Hepatology, 76 (4). pp. 841-849. ISSN 0168-8278
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Abstract
Background & Aims: Autoimmune hepatitis (AIH) has been well characterised and codified through the development of diagnostic criteria. These criteria have been adapted and simplified and are widely used in clinical practice. However, there is a need to update and precisely define the criteria for both treatment response and treatment. Methods: A systematic review was performed and a modified Delphi consensus process was used to identify and redefine the response criteria in autoimmune hepatitis. Results: The consensus process initiated by the International Autoimmune Hepatitis Group proposes that the term ‘complete biochemical response’ defined as ‘normalization of serum transaminases and IgG below the upper limit of normal’ be adopted to include a time point at 6 months after initiation of treatment. An insufficient response by 6 months was a failure to meet the above definition. Non-response was defined as ‘<50% decrease of serum transaminases within 4 weeks after initiation of treatment’. Remission is defined as liver histology with a Hepatitis Activity Index <4/18. Intolerance to treatment was agreed to stand for ‘any adverse event possibly related to treatment leading to potential drug discontinuation’. Conclusions: These definitions provide a simple and reproducible framework to define treatment response and non-response, irrespective of the therapeutic intervention. A consensus on endpoints is urgently required to set a global standard for the reporting of study results and to enable inter-study comparisons. Future prospective database studies are needed to validate these endpoints. Lay summary: Consensus among international experts on response criteria and endpoints in autoimmune hepatitis is lacking. A consensus on endpoints is urgently required to set a global standard for the reporting of study results and to enable the comparison of results between clinical trials. Therefore, the International Autoimmune Hepatitis Group (IAIHG) herein presents a statement on 5 agreed response criteria and endpoints: complete biochemical response, insufficient response, non-response, remission, and intolerance to treatment, which can be used to guide future reporting.
| Item Type: | Article |
|---|---|
| Additional Information: | Publisher Copyright: © 2022 The Authors |
| Uncontrolled Keywords: | autoimmune hepatitis,complete biochemical response,endpoints,insufficient response,intolerance,non-response,remission,hepatology ,/dk/atira/pure/subjectarea/asjc/2700/2721 |
| Faculty \ School: | Faculty of Medicine and Health Sciences > School of Health Sciences Faculty of Medicine and Health Sciences > Norwich Medical School |
| UEA Research Groups: | Faculty of Medicine and Health Sciences > Research Centres > Metabolic Health Faculty of Medicine and Health Sciences > Research Groups > Gastroenterology and Gut Biology |
| Related URLs: | |
| Depositing User: | LivePure Connector |
| Date Deposited: | 02 Jul 2026 13:52 |
| Last Modified: | 02 Jul 2026 13:52 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/103604 |
| DOI: | 10.1016/j.jhep.2021.12.041 |
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