Placebos without Deception: A Randomized Controlled Trial in Irritable Bowel Syndrome

• Ted J. Kaptchuk ,

  * E-mail: ted_kaptchuk@hms.harvard.edu

  Affiliations Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America, Osher Research Center, Harvard Medical School, Boston, Massachusetts, United States of America

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• Elizabeth Friedlander,

  Affiliation Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America

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• John M. Kelley,

  Affiliations Psychology Department, Endicott College, Beverly, Massachusetts, United States of America, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States of America

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• M. Norma Sanchez,

  Affiliation Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America

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• Efi Kokkotou,

  Affiliation Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America

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• Joyce P. Singer,

  Affiliation Osher Research Center, Harvard Medical School, Boston, Massachusetts, United States of America

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• Magda Kowalczykowski,

  Affiliation Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America

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• Franklin G. Miller,

  Affiliation Department of Bioethics, National Institutes of Health, Bethesda, Maryland, United States of America

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• Irving Kirsch,

  Affiliation Department of Psychology, University of Hull, Hull, United Kingdom

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• Anthony J. Lembo

  Affiliation Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America

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