Current opinion in gastroenterology · 2026
Immune-related enteropathy.
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Butler Kimberley, Penny Hugo A, Tai Foong Way David
Аннотация
PURPOSE OF REVIEW: Immune-related enteropathies (IREs) represent a heterogeneous group of disorders characterised by immune-mediated small bowel injury. While coeliac disease is the most common cause, widespread use of small bowel endoscopy has expanded the recognition of rarer causes. This review aims to summarise recent advances in diagnosis, classification and management of IRE.
RECENT FINDINGS: Significant overlap exists between coeliac disease, autoimmune enteropathy, collagenous sprue, drug-induced enteropathies, common variable immunodeficiency (CVID) associated enteropathy and other IRE. A recent meta-analysis supports a no-biopsy approach in selected adults with significantly elevated IgA tissue transglutaminase levels and suspected coeliac disease. Refractory coeliac disease type II is now recognised as a low-grade intraepithelial T-cell lymphoma with a high risk of progression to enteropathy-associated T-cell lymphoma (EATL). Drug-induced enteropathies, particularly olmesartan-associated enteropathy, are increasingly detected and may mimic autoimmune enteropathy histologically. Novel therapeutic approaches, including cladribine, JAK inhibitors and biologics, have shown promise in refractory disease, although evidence is limited to small studies.
SUMMARY: IREs present substantial diagnostic and therapeutic challenges due to overlapping characteristics and variable disease course. A structured approach integrating clinical, serological and histopathological data is essential for accurate diagnosis. Early recognition and tailored management are crucial to prevent long-term complications.
RECENT FINDINGS: Significant overlap exists between coeliac disease, autoimmune enteropathy, collagenous sprue, drug-induced enteropathies, common variable immunodeficiency (CVID) associated enteropathy and other IRE. A recent meta-analysis supports a no-biopsy approach in selected adults with significantly elevated IgA tissue transglutaminase levels and suspected coeliac disease. Refractory coeliac disease type II is now recognised as a low-grade intraepithelial T-cell lymphoma with a high risk of progression to enteropathy-associated T-cell lymphoma (EATL). Drug-induced enteropathies, particularly olmesartan-associated enteropathy, are increasingly detected and may mimic autoimmune enteropathy histologically. Novel therapeutic approaches, including cladribine, JAK inhibitors and biologics, have shown promise in refractory disease, although evidence is limited to small studies.
SUMMARY: IREs present substantial diagnostic and therapeutic challenges due to overlapping characteristics and variable disease course. A structured approach integrating clinical, serological and histopathological data is essential for accurate diagnosis. Early recognition and tailored management are crucial to prevent long-term complications.