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

Overview[ - collapse ][ - ]

Purpose The study is to assess the performance characteristics of a new measure to assess onset of efficacy in a GAD patient population.
ConditionAnxiety Disorders
InterventionDrug: lorazepam
Drug: placebo
Drug: paroxetine
PhaseN/A
SponsorPfizer
Responsible PartyPfizer
ClinicalTrials.gov IdentifierNCT00715039
First ReceivedJuly 11, 2008
Last UpdatedOctober 1, 2008
Last verifiedOctober 2008

Tracking Information[ + expand ][ + ]

First Received DateJuly 11, 2008
Last Updated DateOctober 1, 2008
Start DateOctober 2003
Estimated Primary Completion DateMay 2004
Current Primary Outcome MeasuresAverage change from baseline over the first 6 days of treatment assessment (Study Days 2 through 7) on the Daily Assessment of Symptoms - Anxiety (DAS-A) questionnaire. [Time Frame: baseline, days 2 through 7] [Designated as safety issue: No]
Current Secondary Outcome Measures
  • CGIC at endpoint (LOCF) [Time Frame: endpoint] [Designated as safety issue: No]
  • PGIC at endpoint (LOCF) [Time Frame: endpoint] [Designated as safety issue: No]
  • Q-LES-Q change from baseline to endpoint (LOCF) [Time Frame: baseline, endpoint] [Designated as safety issue: No]
  • SF-36v2 Mental Health change from baseline to endpoint (LOCF) [Time Frame: baseline, endpoint] [Designated as safety issue: No]
  • HADS-A change from baseline to endpoint (LOCF) [Time Frame: baseline, endpoint] [Designated as safety issue: No]
  • HADS-D change from baseline to endpoint (LOCF) [Time Frame: baseline, endpoint] [Designated as safety issue: No]
  • Change from baseline to endpoint (Weeks 1, 2, 4, and 5) in the HAM-A total score. [Time Frame: baseline and weeks 1,2,4, and 5] [Designated as safety issue: No]
  • Change from baseline to daily time point (Study Days 2 through 7) on the DAS-A. [Time Frame: baseline and days 2 through 7] [Designated as safety issue: No]
  • DAS-A change from baseline to endpoint (LOCF) [Time Frame: baseline to endpoint] [Designated as safety issue: No]
  • DAS-A 30% and 50% improvement at endpoint; [Time Frame: endpoint] [Designated as safety issue: No]
  • DAS-A 30% sustained improvement beginning at week 1 [Time Frame: baseline, week1, 2,4,] [Designated as safety issue: No]
  • HAM-A 30% sustained improvement beginning at week 1 [Time Frame: baseline, weeks 1,2,4] [Designated as safety issue: No]
  • HAM-A 30% and 50% improvement at endpoint [Time Frame: endpoint] [Designated as safety issue: No]
  • GA-VAS average change from baseline over the first 6 days [Time Frame: baseline, days 2-7] [Designated as safety issue: No]
  • Change from baseline to daily time point on the GA-VAS(study days 2 through 7) [Time Frame: baseline, days 2-7] [Designated as safety issue: No]
  • GA-VAS change from baseline to endpoint [Time Frame: aseline, endpoint] [Designated as safety issue: No]
  • GA-VAS sustained 30% improvement beginning at week 1 [Time Frame: baseline, weeks 1,2,4] [Designated as safety issue: No]
  • GA-VAS 30% and 50% improvement at endpoint [Time Frame: endpoint] [Designated as safety issue: No]

Descriptive Information[ + expand ][ + ]

Brief TitleClinical Study Assessing a New Scale to Measure Onset of Action in Generalized Anxiety Disorder
Official TitleA 4-Week, Double-Blind, Randomized, Multicenter, Fixed Dose, Placebo-Controlled, Parallel Group Study of Lorazepam and Paroxetine in Patients With Generalized Anxiety Disorder: Assessment of a New Instrument Intended to Capture Rapid Onset
Brief Summary
The study is to assess the performance characteristics of a new measure to assess onset of
efficacy in a GAD patient population.
Detailed DescriptionNot Provided
Study TypeInterventional
Study PhaseN/A
Study DesignAllocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator), Primary Purpose: Basic Science
ConditionAnxiety Disorders
InterventionDrug: 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
Other Names:
AtivanDrug: placebo
placebo p.o. t.i.d. for 28 days; placebo matching lorazepam and paroxetine
Drug: paroxetine
20mg p.o. daily for 28 days; and matching placebo twice a day to maintain blind
Other Names:
Paxil
Study Arm (s)
  • Active Comparator: lorazepam
  • Placebo Comparator: placebo
  • Active Comparator: paroxetine

Recruitment Information[ + expand ][ + ]

Recruitment StatusCompleted
Estimated Enrollment169
Estimated Completion DateMay 2004
Estimated Primary Completion DateNot Provided
Eligibility Criteria
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.
GenderBoth
Ages18 Years
Accepts Healthy VolunteersNo
ContactsNot Provided
Location CountriesUnited States

Administrative Information[ + expand ][ + ]

NCT Number NCT00715039
Other Study ID NumbersA9001141
Has Data Monitoring CommitteeNo
Information Provided ByPfizer
Study SponsorPfizer
CollaboratorsNot Provided
Investigators Study Director: Pfizer CT.gov Call Center Pfizer
Verification DateOctober 2008

Locations[ + expand ][ + ]

Pfizer Investigational Site
Glendale, California, United States, 91206
Pfizer Investigational Site
Northridge, California, United States, 91406
Pfizer Investigational Site
Orange, California, United States, 92868
Pfizer Investigational Site
San Diego, California, United States, 92105
Pfizer Investigational Site
Sherman Oaks, California, United States, 91403
Pfizer Investigational Site
Van Nuys, California, United States, 91406
Pfizer Investigational Site
Casselberry, Florida, United States, 32707
Pfizer Investigational Site
Orlando, Florida, United States, 32806
Pfizer Investigational Site
Atlanta, Georgia, United States, 30328
Pfizer Investigational Site
Marietta, Georgia, United States, 30060
Pfizer Investigational Site
Overland Park, Kansas, United States, 66209
Pfizer Investigational Site
Overland Park, Kansas, United States, 66211
Pfizer Investigational Site
Albuquerque, New Mexico, United States, 87102
Pfizer Investigational Site
Albuquerque, New Mexico, United States, 87104
Pfizer Investigational Site
Cincinnati, Ohio, United States, 45267-0559