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Trial of Pregabalin, Alprazolam, and Placebo in Subjects With Anxiety Prior to Dental Procedure

This study has been completed.
Information provided by:
Pfizer Identifier:
First received: October 26, 2005
Last updated: March 19, 2008
Last verified: March 2008
The primary purpose of the trial is to assess how effective pregabalin, alprazolam, and placebo are at reducing anxiety levels of subjects who take a dose of these treatments 4 hours before a scheduled dental procedure.

Condition Intervention Phase
Dental Anxiety Drug: Pregabalin Drug: Alprazolam Drug: Placebo Phase 2

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double
Primary Purpose: Treatment
Official Title: A Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Trial Of The Anxiolytic Efficacy Of Pregabalin And Alprazolam IR In Subjects With Anxiety Prior To Dental Procedure

Resource links provided by NLM:

Further study details as provided by Pfizer:

Primary Outcome Measures:
  • Change from baseline to endpoint on the Visual Analogue Scale for Anxiety.

Secondary Outcome Measures:
  • The changes from baseline to endpoint, and changes from baseline to each rating timepoint differ among the three treatment groups for the VAS-Anxiety, VAS-Sedation, Time to Onset of Activity Scales scores, and, Dental Anxiety scales.

Estimated Enrollment: 90
Study Start Date: January 2006
Study Completion Date: October 2006

Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Male or female outpatients 18 years of age or older who score 12 points or more on the Dental Anxiety Scale at screening and baseline evaluations and have a scheduled appointment for an elective dental procedure.

Exclusion Criteria:

  • Current diagnosis of any of the DSM-IV anxiety disorders.
  • Current diagnosis of major depressive disorder, dysthymia, schizophrenia or any other psychotic disorder, bipolar disorder, and eating disorders as assessed by the M.I.N.I. at screening, or current diagnosis of delirium, dementia, or body dysmorphic disorder.
  Contacts and Locations
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Please refer to this study by its identifier: NCT00245609

Pfizer Investigational Site
Berlin, Germany
Pfizer Investigational Site
Goettingen, Germany
Pfizer Investigational Site
Heidelberg, Germany
Pfizer Investigational Site
Koeln, Germany
Pfizer Investigational Site
Muenchen, Germany
Pfizer Investigational Site
Tuebingen, Germany
United Kingdom
Pfizer Investigational Site
Manchester, Greater Manchester, United Kingdom
Pfizer Investigational Site
Leeds, West Yorkshire, United Kingdom
Pfizer Investigational Site
Sheffield, United Kingdom
Sponsors and Collaborators
Study Director: Pfizer Call Center Pfizer
  More Information

Additional Information: Identifier: NCT00245609     History of Changes
Other Study ID Numbers: A0081072
Study First Received: October 26, 2005
Last Updated: March 19, 2008

Additional relevant MeSH terms:
Anxiety Disorders
Mental Disorders
Sensory System Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
Calcium Channel Blockers
Membrane Transport Modulators
Molecular Mechanisms of Pharmacological Action
Anti-Anxiety Agents
Tranquilizing Agents
Central Nervous System Depressants
Psychotropic Drugs
Hypnotics and Sedatives
GABA Modulators
GABA Agents
Neurotransmitter Agents processed this record on August 17, 2017