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...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
Nature Portfolio
2021-02-01
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Series: | Scientific Reports |
Online Access: | https://doi.org/10.1038/s41598-021-83148-6 |