Introduction: Since the publication of the first European Society for the Study of Coeliac Disease (ESsCD) guidelines in 2019, significant advancements have emerged in the diagnosis of coeliac disease (CeD) in adults. These 2025 guidelines incorporate new evidence to refine diagnostic strategies, aiming for improved accuracy of testing, and enhance overall quality of clinical care. Methods: A multidisciplinary panel of experts revised the ESsCD guidelines using the AGREE II instrument (Appraisal of Guidelines for Research and Evaluation II) and the GRADE methodology (The Grading of Recommendations Assessment, Development, and Evaluation). Clinical questions were structured using the PICO format, and statements and recommendations were finalised through a Delphi consensus process. Literature quality was assessed using AMSTAR-2 and QUADAS-2 tools. Results: The updated guidelines are presented in two parts. Part 1 focuses on adult CeD diagnosis, introducing major changes such as a conditional no-biopsy approach for selected adults with high-titre IgA anti-TG2 serology (≥ 10 × ULN). Regarding serology, the use of validated high-performance ELISAs displaying a high diagnostic accuracy is emphasised, while routine use of IgA anti-Endomysium serology is no longer recommended for confirmation. Revised duodenal biopsy protocols now mandate at least four samples from the second part of the duodenum, with bulb biopsies conditionally included. The guidelines provide structured approaches for diagnosing potential CeD, seronegative villous atrophy, and CeD in individuals already on a gluten-free diet. HLA-DQ2/DQ8 typing is recommended for diagnostic clarification in select cases. Conclusions: The updated 2025 ESsCD guidelines provide a comprehensive framework for the diagnosis of CeD in adults. By integrating evolving diagnostic strategies, minimising over-testing, and patient-centred care approaches, they aim to optimise patient outcomes, quality of life and use of diagnostic resources at the same time.
European Society for the Study of Coeliac Disease 2025 Updated Guidelines on the Diagnosis and Management of Coeliac Disease in Adults. Part 1: Diagnostic Approach
Zingone, Fabiana;Canova, Cristina;
2025
Abstract
Introduction: Since the publication of the first European Society for the Study of Coeliac Disease (ESsCD) guidelines in 2019, significant advancements have emerged in the diagnosis of coeliac disease (CeD) in adults. These 2025 guidelines incorporate new evidence to refine diagnostic strategies, aiming for improved accuracy of testing, and enhance overall quality of clinical care. Methods: A multidisciplinary panel of experts revised the ESsCD guidelines using the AGREE II instrument (Appraisal of Guidelines for Research and Evaluation II) and the GRADE methodology (The Grading of Recommendations Assessment, Development, and Evaluation). Clinical questions were structured using the PICO format, and statements and recommendations were finalised through a Delphi consensus process. Literature quality was assessed using AMSTAR-2 and QUADAS-2 tools. Results: The updated guidelines are presented in two parts. Part 1 focuses on adult CeD diagnosis, introducing major changes such as a conditional no-biopsy approach for selected adults with high-titre IgA anti-TG2 serology (≥ 10 × ULN). Regarding serology, the use of validated high-performance ELISAs displaying a high diagnostic accuracy is emphasised, while routine use of IgA anti-Endomysium serology is no longer recommended for confirmation. Revised duodenal biopsy protocols now mandate at least four samples from the second part of the duodenum, with bulb biopsies conditionally included. The guidelines provide structured approaches for diagnosing potential CeD, seronegative villous atrophy, and CeD in individuals already on a gluten-free diet. HLA-DQ2/DQ8 typing is recommended for diagnostic clarification in select cases. Conclusions: The updated 2025 ESsCD guidelines provide a comprehensive framework for the diagnosis of CeD in adults. By integrating evolving diagnostic strategies, minimising over-testing, and patient-centred care approaches, they aim to optimise patient outcomes, quality of life and use of diagnostic resources at the same time.
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