The onset of ulcerative colitis during treatment with secukinumab: can anti-IL-17A be a trigger for inflammatory bowel disease?

In recent months, cases of IBD have been reported in the context of treatment with secukinumab, a monoclonal antibody that blocks IL-17A and which is used in the treatment of certain rheumatic disorders. We present a case of a patient with psoriatic arthritis, with a first-degree relative who had suffered ulcerative colitis, who presented with onset ulcerative colitis in the weeks following treatment initiation with this drug.