Clinical classification and long‐term outcomes of seronegative coeliac disease: a 20‐year multicentre follow‐up study

Summary Background Seronegative coeliac disease is poorly defined. Aims To study clinical phenotypes and long‐term outcomes of seronegative coeliac disease in a multicentre cohort over 20 years. Methods Seronegative coeliac disease was diagnosed in HLA‐DQ2/DQ8‐positive patients with villous atrophy (VA), negative IgA endomysial (EmA), tissue transglutaminase (tTG) and deamidated‐gliadin antibodies (DGP), clinical and histological response to a...