Probiotic Treatment of Ulcerative Colitis with Trichuris suis ova: A Randomized, Double-blinded, Placebo-controlled Clinical Trial (the PROCTO Trial).

Compared to placebo, Trichuris suis ova was not superior in achieving clinical remission at week 24 in ulcerative colitis or in achieving clinical Mayo score reduction, complete corticosteroid-free clinical remission or endoscopic remission. However, Trichuris suis ova treatment induced symptomatic temporary remission at week 12.