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A Study To Assess the Safety of Extended Release Alprazolam for the Treatment of Adolescents With Panic Disorder or Anxiety With Panic Attacks

Phase 4
Terminated
Conditions
Panic Disorder
Interventions
Registration Number
NCT00634790
Lead Sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Brief Summary

The purpose of this study is to assess the long-term safety and tolerability of alprazolam extended release (XR) in adolescents with panic disorder, with or without agoraphobia, or in anxiety disorder with panic attacks. Efficacy, population pharmacokinetics of alprazolam XR and the relationship between alprazolam XR plasma concentrations and efficacy outcomes will also be evaluated.

Detailed Description

Due to recruitment difficulties in this adolescent population, the clinical program for alprazolam XR was cancelled and this study was terminated on 1 September 2004. There were no safety concerns that led to this decision.

Recruitment & Eligibility

Status
TERMINATED
Sex
All
Target Recruitment
49
Inclusion Criteria
  • Subjects must meet one of the following 6 diagnoses: a. A current diagnosis of panic disorder with or without agoraphobia; b. Generalized anxiety disorder with a history of at least one panic attack in the course of their illness; c. Social anxiety disorder (social phobia) with a history of at least one panic attack in the course of their illness; d. Separation anxiety with a history of at least one panic attack in the course of their illness; e. Posttraumatic stress disorder with a history of at least one panic attack in the course of their illness; f. Anxiety not otherwise specified with a history of at least one panic attack in the course of their illness.
  • Educational level, intelligence, or other mental condition in the subject and/or his/her parent(s) are judged by the investigator to be sufficient to permit adequate informed consent/assent to be obtained, and for study procedures to be complied with.
Exclusion Criteria
  • Current (in the past 6 months) diagnosis of obsessive compulsive disorder, major depressive disorder, dysthymic disorder, or alcohol and/or substance dependence.
  • Current (in the past 3 months) diagnosis of alcohol and/or substance abuse.
  • Primary diagnosis of conduct disorder, oppositional defiant disorder, or Attention Deficit Hyperactivity Disorder.
  • Any current or past history of schizophrenia or psychosis; bipolar disorder or cyclothymia; dementia, delirium or other organic brain disease; an eating disorder; mental retardation, Asperger's disorder, or any other serious developmental disorder.
  • A Childhood Depression Rating Scale, Revised score >35.

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
alprazolam groupalprazolam XR-
Primary Outcome Measures
NameTimeMethod
Endpoint change from baseline to Week 24 in Digit Symbol-Coding Test, immediate recall, and delayed recall24 weeks
Baseline-to-peak Physician's Withdrawal Checklist change score during 6-week taper off alprazolam6 week taper
The incidence of treatment-emergent adverse event during treatment with alprazolam XR24 weeks with taper
Secondary Outcome Measures
NameTimeMethod
Endpoint change from baseline to Week 24 in CGI-Severity score24 weeks
Endpoint change from baseline to Week 24 in the Panic Disorder Severity Scale-Adolescent version total and item scores24 weeks
Endpoint (Week 24) Clinical Global Impression (CGI)-Improvement score24 weeks
Descriptive estimates of the persistence of safety events and adverse events at study endpoint24 weeks with taper
Endpoint (Week 24) Pediatric Quality of Life, Enjoyment, and Satisfaction Questionnaire improvement score24 weeks

Trial Locations

Locations (1)

Pfizer Investigational Site

🇺🇸

Middleton, Wisconsin, United States

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