A meta‐analysis of the placebo response in complementary and alternative medicine trials of irritable bowel syndrome

Dorn, S. D.; Kaptchuk, T. J.; Park, J. B.; Nguyen, L. T.; Canenguez, K.; Nam, B. H.; Woods, K. B.; Conboy, L. A.; Stason, W. B.; Lembo, A. J.

doi:10.1111/j.1365-2982.2007.00937.x

A meta‐analysis of the placebo response in complementary and alternative medicine trials of irritable bowel syndrome

Among patients with irritable bowel syndrome (IBS) enrolled in clinical trials of conventional medical therapy, the placebo response rate is high. IBS patients also frequently use complementary and alternative medicine (CAM), which may act through an ‘enhanced placebo effect’. The purpose of this…