Document Detail


Listening to Placebo in Clinical Trials for Female Sexual Dysfunction.
MedLine Citation:
PMID:  23035868     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Introduction.  Placebo responses are substantial in many clinical trials of treatments for female sexual dysfunctions (FSDs). Recent studies from other fields suggest a need to reconceptualize placebo response and to design future trials accordingly. Aim.  The aims of this review are to (i) summarize current conceptualizations of placebo response in the literature; (ii) identify potential mechanisms of placebo response that are relevant to the study of FSD; and (iii) provide recommendations for incorporating this knowledge into design of future trials. Methods.  Narrative review of literature relevant to the topic of placebo response and FSD. Main Outcome Measures.  Possible predictors and mechanisms of placebo response in women with FSD are described based on the synthesis of empirical findings in studies of placebo. Results.  Placebo response is a complex phenomenon that represents cognitive, behavioral, motivational, and possibly relational mediating factors. Instructions given to trial participants, behavioral changes required to participate in a trial, changes in partner behavior, and interactions with study staff may influence participants' expectations of benefit and therefore their responses to placebo treatment. Side effects may enhance placebo response within active treatment arms. At present, it is unclear to what extent to which specific factors affect outcomes of clinical trials in FSD. Conclusions.  Procedural and methodological factors are likely to contribute to placebo response in trials for FSD, though additional research is needed to clarify these effects. Study designs should be reevaluated to avoid unnecessary creation or exaggeration of placebo responses and to draw appropriate conclusions from trial results. Bradford A. Listening to placebo in clinical trials for female sexual dysfunction. J Sex Med **;**:**-**.
Authors:
Andrea Bradford
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-4
Journal Detail:
Title:  The journal of sexual medicine     Volume:  -     ISSN:  1743-6109     ISO Abbreviation:  J Sex Med     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-5     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101230693     Medline TA:  J Sex Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 International Society for Sexual Medicine.
Affiliation:
Department of Gynecologic Oncology and Reproductive Medicine, University of Texas MD Anderson Cancer Center, Houston, TX, USA.
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