Do randomized clinical trials with inadequate blinding report enhanced placebo effects for intervention groups and nocebo effects for placebo groups? A protocol for a meta-epidemiological study of PDE-5 inhibitors

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 magnitud...

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Detalles Bibliográficos
Autores principales: Feys, Frederik, Bekkering, Geertruida E, Singh, Kavita, Devroey, Dirk
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2012
Materias:
Protocol
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3541352/
https://www.ncbi.nlm.nih.gov/pubmed/23151403
http://dx.doi.org/10.1186/2046-4053-1-54

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