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Interaction Between Drug and Placebo Effect:Randomized Placebo Controlled Trials May Not be Accurate in Determining Drug Effect Size
This study is currently recruiting participants.
Verified April 2013 by King Faisal Specialist Hospital & Research Center
Study NCT01501591   Information provided by King Faisal Specialist Hospital & Research Center

First Received on December 25, 2011.   Last Updated on April 8, 2013   History of Changes
Related Studies can be found by searching for the Conditions, Interventions, and Sponsors found in this study:
Conditions listed in this trial
Placebo Effect
Placebo Drug Interaction
Interventions listed in this trial
Hydroxizine
Placebo
hydroxyzine/placebo
Additional drug interventions recognized in this trial
Hydroxyzine
More general drug interventions related to this trial
Antipruritics
Dermatologic Agents
Histamine Agents
Histamine Antagonists
Histamine H1 Antagonists
Molecular Mechanisms of Pharmacological Action
Neurotransmitter Agents
Pharmacologic Actions
Physiological Effects of Drugs
Therapeutic Uses
Sponsors listed in this trial
King Faisal Specialist Hospital & Research Center


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