Status:

COMPLETED

Interaction Between Drug and Placebo Effect:Randomized Placebo Controlled Trials May Not be Accurate in Determining Drug Effect Size

Lead Sponsor:

King Faisal Specialist Hospital & Research Center

Conditions:

Placebo Effect

Placebo Drug Interaction

Eligibility:

All Genders

18-50 years

Phase:

NA

Brief Summary

The total effect of a medication is the sum of its drug effect, placebo effect (meaning response of placebo), and their possible interaction. Current interpretation of the results of clinical trials (...

Detailed Description

BACKGROUND: The total effect of a medication is the sum of its drug effect, placebo effect (meaning response of placebo), and their possible interaction. Current interpretation of the results of clin...

Eligibility Criteria

Inclusion

  • Age of 18 to 50 years;
  • Being healthy,
  • Able to abstain from smoking and alcohol
  • Medication-free for one week
  • Able to reproducibly express oneself using a 100 mm visual analog scale (VAS).

Exclusion

  • clinically relevant deviation from normal health
  • pregnancy or lactation
  • hypersensitivity to hydroxyzine or related compounds

Key Trial Info

Start Date :

November 1 2012

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

October 1 2015

Estimated Enrollment :

480 Patients enrolled

Trial Details

Trial ID

NCT01501591

Start Date

November 1 2012

End Date

October 1 2015

Last Update

March 3 2017

Active Locations (1)

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Page 1 of 1 (1 locations)

1

King Faisal Specialist Hospital & research Center

Riyadh, Saudi Arabia, 11211

Interaction Between Drug and Placebo Effect:Randomized Placebo Controlled Trials May Not be Accurate in Determining Drug Effect Size | DecenTrialz