Clinical Study Assessing a New Scale to Measure Onset of Action in Generalized Anxiety Disorder

NCT ID: NCT00715039

Last Updated: 2008-10-03

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

169 participants

Study Classification

INTERVENTIONAL

Study Start Date

2003-10-31

Study Completion Date

2004-05-31

Brief Summary

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The study is to assess the performance characteristics of a new measure to assess onset of efficacy in a GAD patient population.

Detailed Description

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Conditions

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Anxiety Disorders

Keywords

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generalized anxiety disorder onset of efficacy Daily Assessment of Symptoms-Anxiety (DAS-A) Methods

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

TRIPLE

Participants Caregivers Investigators

Study Groups

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lorazepam

Group Type ACTIVE_COMPARATOR

lorazepam

Intervention Type DRUG

1.0 mg p.o. three times a day for three days, then 1.5mg p.o. three times a day for 25 days

placebo

Group Type PLACEBO_COMPARATOR

placebo

Intervention Type DRUG

placebo p.o. t.i.d. for 28 days; placebo matching lorazepam and paroxetine

paroxetine

Group Type ACTIVE_COMPARATOR

paroxetine

Intervention Type DRUG

20mg p.o. daily for 28 days; and matching placebo twice a day to maintain blind

Interventions

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lorazepam

1.0 mg p.o. three times a day for three days, then 1.5mg p.o. three times a day for 25 days

Intervention Type DRUG

placebo

placebo p.o. t.i.d. for 28 days; placebo matching lorazepam and paroxetine

Intervention Type DRUG

paroxetine

20mg p.o. daily for 28 days; and matching placebo twice a day to maintain blind

Intervention Type DRUG

Other Intervention Names

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Ativan Paxil

Eligibility Criteria

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Inclusion Criteria

* Primary Diagnosis of GAD (DSM IV, 300.02) as established by the clinician using all sources of data including the MINI structured interview
* HAM A score ³20 at the Screening (Study Day -7) and Baseline (Study Day 1) Visits by observer rating
* Good health as determined by medical history, physical examination, vital signs, electrocardiography (ECG), and clinical laboratory measurements
* Covi Anxiety Scale total score ³9 and Raskin Depression Scale total score £7 at the Screening Visit (to ensure predominance of anxiety symptoms over depression symptoms)
* Age 18 to 65 (inclusive)

Exclusion Criteria

* Patients with most other current DSM-IV Axis I disorders.
* Patients with current or past schizophrenia, Psychotic disorder
* Delirium, dementia, amnestic, and other clinically significant cognitive disorders
* Bipolar or schizoaffective disorder
* Benzodiazepine abuse or dependence; and/or Factitious disorder.
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Pfizer

INDUSTRY

Sponsor Role lead

Responsible Party

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Pfizer, Inc.

Principal Investigators

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Pfizer CT.gov Call Center

Role: STUDY_DIRECTOR

Pfizer

Locations

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Pfizer Investigational Site

Glendale, California, United States

Site Status

Pfizer Investigational Site

Northridge, California, United States

Site Status

Pfizer Investigational Site

Orange, California, United States

Site Status

Pfizer Investigational Site

San Diego, California, United States

Site Status

Pfizer Investigational Site

Sherman Oaks, California, United States

Site Status

Pfizer Investigational Site

Van Nuys, California, United States

Site Status

Pfizer Investigational Site

Casselberry, Florida, United States

Site Status

Pfizer Investigational Site

Orlando, Florida, United States

Site Status

Pfizer Investigational Site

Atlanta, Georgia, United States

Site Status

Pfizer Investigational Site

Marietta, Georgia, United States

Site Status

Pfizer Investigational Site

Overland Park, Kansas, United States

Site Status

Pfizer Investigational Site

Overland Park, Kansas, United States

Site Status

Pfizer Investigational Site

Albuquerque, New Mexico, United States

Site Status

Pfizer Investigational Site

Albuquerque, New Mexico, United States

Site Status

Pfizer Investigational Site

Cincinnati, Ohio, United States

Site Status

Countries

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United States

Related Links

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Other Identifiers

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A9001141

Identifier Type: -

Identifier Source: org_study_id