Does inclusion of a placebo arm influence response to active antidepressant treatment in randomized controlled trials? Results from pooled and meta-analyses.

@article{Sinyor2010DoesIO,
  title={Does inclusion of a placebo arm influence response to active antidepressant treatment in randomized controlled trials? Results from pooled and meta-analyses.},
  author={Mark Sinyor and Anthony J. Levitt and Amy Cheung and Ayal Schaffer and Alex Kiss and Yekta Dowlati and Krista L. Lanct{\^o}t},
  journal={The Journal of clinical psychiatry},
  year={2010},
  volume={71 3},
  pages={270-9}
}
OBJECTIVE To determine if the inclusion of a placebo arm and/or the number of active comparators in antidepressant trials influences the response rates of the active medication and/or placebo. DATA SOURCES Searches of MEDLINE, PsycINFO, and pharmaceutical Web sites for published trials or trials conducted but unpublished between January 1996 and October 2007. STUDY SELECTION 2,275 citations were reviewed, 285 studies were retrieved, and 90 were included in the analysis. Trials reporting… CONTINUE READING
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