Effects of open-label placebos in clinical trials: a systematic review and meta-analysis

Abstract Open-label placebos (OLPs) are placebos without deception in the sense that patients know that they are receiving a placebo. The objective of our study is to systematically review and analyze the effect of OLPs in comparison to no treatment in clinical trials. A systematic literature search...

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Bibliographic Details
Main Authors: Melina von Wernsdorff, Martin Loef, Brunna Tuschen-Caffier, Stefan Schmidt
Format: Article
Language:English
Published: Nature Portfolio 2021-02-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-021-83148-6