NCT00921063

Brief Summary

The purpose of this study is to evaluate the safety and efficacy of PD 0332334 compared to placebo in the treatment of Generalized Anxiety Disorder in an adult population

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
222

participants targeted

Target at P75+ for phase_2

Timeline
Completed

Started Nov 2005

Shorter than P25 for phase_2

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 1, 2005

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2006

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2006

Completed
3 years until next milestone

First Submitted

Initial submission to the registry

June 15, 2009

Completed
1 day until next milestone

First Posted

Study publicly available on registry

June 16, 2009

Completed
Last Updated

February 19, 2010

Status Verified

February 1, 2010

Enrollment Period

8 months

First QC Date

June 15, 2009

Last Update Submit

February 17, 2010

Conditions

Outcome Measures

Primary Outcomes (1)

  • HAM-A Total Score

    4 weeks

Secondary Outcomes (9)

  • HAM-A total score at week 1, 2 and 4

    1. 2. ands 4 weeks

  • HAM-A somatic and psychic subscales

    1, 2, and 4 weeks

  • HAM-A responders

    4 weeks

  • HAM-A sustained responders

    Week 1 through week 4

  • DAS-A (daily assessment of symptoms of anxiety) and GA-VAS (VAS scale for global anxiety)

    Day 2 through day 7

  • +4 more secondary outcomes

Study Arms (4)

PD 0332334 250 mg

EXPERIMENTAL
Drug: PD 0332334

PD 0332334 100 mg

EXPERIMENTAL
Drug: PD 0332334

placebo

PLACEBO COMPARATOR
Drug: placebo

Alprazolam extended release

ACTIVE COMPARATOR
Drug: Alprazolam extended release

Interventions

250 mg capsule, BID for 4 weeks

Also known as: imagabalin
PD 0332334 250 mg

0 mg capsule, BID for 4 weeks

placebo

1 mg capsule, BID for 4 weeks

Also known as: Xanax XR
Alprazolam extended release

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Healthy males or females with a diagnosis of Generalized Anxiety Disorder (GAD) (Diagnostic and Statistical Manual-IV \[DSM-IV\], 300.02).
  • HAM-A Total Score ≥20 and item #1 on the HAM-D (depressed mood score) ≤2 at both Screening and Baseline/Randomization.

You may not qualify if:

  • Current diagnoses (within the 6 months) of Major Depressive Disorder; Obsessive Compulsive Disorder; Panic Disorder; Posttraumatic Stress Disorder; Anorexia; Bulimia; Caffeine-induced anxiety disorder;
  • Any of the following past or current diagnoses: Schizophrenia; Psychotic Disorder; Delirium, Dementia, Bipolar or Schizoaffective Disorder; Cyclothymic Disorder; Dissociative Disorders; Antisocial or borderline personality disorder
  • Current use of psychotropic medications (i.e., drugs normally prescribed for depression, mania, anxiety, insomnia, or psychosis) that could not be discontinued 2 weeks prior to dosing.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Links

MeSH Terms

Conditions

Generalized Anxiety Disorder

Interventions

imagabalinAlprazolam

Condition Hierarchy (Ancestors)

Anxiety DisordersMental Disorders

Intervention Hierarchy (Ancestors)

BenzodiazepinesBenzazepinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic Compounds

Study Officials

  • Pfizer CT.gov Call Center

    Pfizer

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY

Study Record Dates

First Submitted

June 15, 2009

First Posted

June 16, 2009

Study Start

November 1, 2005

Primary Completion

July 1, 2006

Study Completion

July 1, 2006

Last Updated

February 19, 2010

Record last verified: 2010-02