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BACKGROUND Studies suggest that expectations powerfully shape clinical outcomes. For subjective outcomes in adequately blinded trials, health improvements are substantial and largely explained by non-specific factors.The objective of this study was to investigate if unblinding in randomized controlled trials (RCTs) is associated with enhanced placebo(More)
UNLABELLED BACKGROUND Patients' expectations of treatment effects may contribute to positive (placebo) and negative (nocebo) outcomes. The effect of patient expectations may be pronounced in subjectively assessed conditions, such as male erectile dysfunction. The aim of this project is to examine the magnitude of expectancy in trials of(More)
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