NDLI: Evaluation of Heterogeneity in Pharmacotherapy Trials for Drug Dependence: A Bayesian Approach

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Evaluation of Heterogeneity in Pharmacotherapy Trials for Drug Dependence: A Bayesian Approach

Content Provider	Scilit
Author	Green, C. E. Moeller, F. G. Schmitz, J. M. Lucke, J. F. Lane, S. D. Swann, A. C. Lasky, R. E. Carbonari, J. P.
Copyright Year	2009
Description	Journal: The American journal of drug and alcohol abuse Aims: Difficulty identifying effective pharmacotherapies for cocaine dependence has led to suggestions that subgroup differences may account for some of the heterogeneity in treatment response. Well-attested methodological difficulties associated with these analyses recommend the use of Bayesian statistical reasoning for evaluation of salient interaction effects. Methods: A secondary data analysis of a previously published, double-blind, randomized controlled trial examines the interaction of decision-making, as measured by the Iowa Gambling Task, and citalopram in increasing longest sustained abstinence from cocaine use. Results: Bayesian analysis indicated that there was a 99% chance that improved decision-making enhances response to citalopram. Given the strong positive nature of this finding, a formal, quantitative Bayesian approach to evaluate the result from the perspective of a skeptic was applied. Conclusions: Bayesian statistical reasoning provides a formal means of weighing evidence for the presence of an interaction in scenarios where conventional, Frequentist analyses may be less informative. [Supplementary materials are available for this article. Go to the publisher's online edition of The American Journal of Drug and Alcohol Abuse for the following free supplemental resource: Appendix 1]
Related Links	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4429522/pdf
ISSN	00952990
e-ISSN	10979891
DOI	10.1080/00952990802647503
Journal	The American journal of drug and alcohol abuse
Issue Number	2
Volume Number	35
Language	English
Publisher	Informa UK Limited
Publisher Date	2009-01-01
Access Restriction	Open
Subject Keyword	Journal: The American journal of drug and alcohol abuse Substance Abuse Cocaine Dependence
Content Type	Text
Subject	Clinical Psychology Psychiatry and Mental Health

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