Placebos without deception: a randomized controlled trial in irritable bowel syndrome.

Placebo treatment can significantly influence subjective symptoms. However, it is widely believed that response to placebo requires concealment or deception. We tested whether open-label placebo (non-deceptive and non-concealed administration) is superior to a no-treatment control with matched patie...

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Bibliographic Details
Main Authors: Ted J Kaptchuk, Elizabeth Friedlander, John M Kelley, M Norma Sanchez, Efi Kokkotou, Joyce P Singer, Magda Kowalczykowski, Franklin G Miller, Irving Kirsch, Anthony J Lembo
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2010-12-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC3008733?pdf=render