Nocebo effects by providing informed consent in shared decision making? Not necessarily: a randomized pilot-trial using an open-label placebo approach.

BMC Med Ethics · 2020 · PMC7557071 · PMID 33054828

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a statistical trendno p-value reported

For the primary outcome (visual analogue scale indicating impairment by side effects) there was a statistical trend towards higher impairment in the control group.

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