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The therapeutic effect of clinical trials: understanding placebo response rates in clinical trials – A secondary analysis
BACKGROUND AND PURPOSE: Placebo response rates in clinical trials vary considerably and are observed frequently. For new drugs it can be difficult to prove effectiveness superior to placebo. It is unclear what contributes to improvement in the placebo groups. We wanted to clarify, what elements of c...
| Autores principales: | , , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2005
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1201145/ https://www.ncbi.nlm.nih.gov/pubmed/16109176 http://dx.doi.org/10.1186/1471-2288-5-26 |