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A Study to Assess the Long-term Use of Alprazolam Extended Release (XL) in the Treatment of Adolescents With Panic Disorder

Phase 4
Terminated
Conditions
Panic Disorder
Interventions
Other: placebo
Registration Number
NCT00635076
Lead Sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Brief Summary

The purpose of this study is to evaluate the long-term (6-month) efficacy, safety, and tolerability of alprazolam XR in adolescents with panic disorder.

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
3
Inclusion Criteria
  • A primary Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision diagnosis of panic disorder with or without agoraphobia based on the Mini-International Neuropsychiatric Interview for Children and Adolescents
  • Subjects with an average of 1) at least one 4-symptom panic attack per week over the last 4 weeks before screening; 2) at least one 4-symptom panic attack per week over the last 4 weeks before baseline; and 3) at least one 4-symptom panic attack in the 7 days prior to baseline
  • To enter Study A6131007, subjects must have completed Study A6131002, had an acceptable tolerability to study drug, and in the clinical judgment of the investigator, could have benefited from continued study treatment.
Exclusion Criteria
  • Subjects must continue to meet all of the exclusion criteria enumerated in the Acute Efficacy Study (Protocol A6131002) with the following exception: Subjects will be allowed to undergo cognitive-behavioral or other panic-specific therapy and any other psychotherapy (e.g., supportive and/or family therapy) during the expected study period in this study.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Placebo groupplacebo-
Alprazolam XR groupalprazolam XR-
Primary Outcome Measures
NameTimeMethod
Endpoint change from baseline in Digit Symbol-Coding Test, immediate recall, and delayed recallWeek 24
Baseline-to-peak Physician Withdrawal Checklist change score during taper off AlprazolamWeek 24 (taper baseline), Weeks 25-29, and end of taper visit
The incidence of treatment-emergent adverse events during 6 months of treatment with alprazolam XRWeeks 6, 8, 12, 16, 20, and 24
Secondary Outcome Measures
NameTimeMethod
Endpoint change from baseline in Hamilton Anxiety Rating scaleWeeks 12 and 24
Endpoint change compared with baseline in the Panic Disorder Severity Scale - Adolescent Version total and item scoresWeeks 12 an 24
Endpoint compared with baseline for Clinical Global Impression (CGI)-Improvement scaleWeeks 12 and 24
Endpoint change compared with baseline in CGI-Severity scoreWeeks 12 and 24
Endpoint compared with baseline in Pediatric Quality of Life, Enjoyment, and Satisfaction Questionnaire improvement scoreWeeks 12 and 24
Descriptive estimates of the persistence of safety events and adverse eventsWeek 24

Trial Locations

Locations (1)

Pfizer Investigational Site

🇺🇸

Middleton, Wisconsin, United States

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