Mebeverine and the Influence of Labeling in Adolescents With Irritable Bowel Syndrome or Functional Abdominal Pain Not Otherwise Specified: A 2 × 2 Randomized, Placebo-Controlled Trial
Mebeverine is not effective in treating irritable bowel syndrome and functional abdominal pain in children, but treatment effects are improved when children believe they received an active drug, highlighting the impact of expectations.
