Pediatric Bipolar Depression

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
AstraZeneca
ClinicalTrials.gov Identifier:
NCT00811473
First received: December 18, 2008
Last updated: March 21, 2012
Last verified: March 2012
Results First Received: October 27, 2011  
Study Type: Interventional
Study Design: Allocation: Randomized;   Endpoint Classification: Efficacy Study;   Intervention Model: Parallel Assignment;   Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor);   Primary Purpose: Treatment
Condition: Bipolar Depression
Interventions: Drug: Quetiapine XR
Drug: Placebo

  Participant Flow
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Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
This multicenter study was conducted between 27 January 2009 and 1 November 2010, which included the recall visit. The recall visit occurred from 5 June 2010 till 1 November 2010.

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
The study had an up to 35-day enrollment period, 8-week double-blind treatment period with 1 of 2 treatment regimens (quetiapine XR 150 to 300 mg/day or placebo), 1-week safety follow-up period, 2- to 4-week safety follow-up period for patients with BP >95th percentile at completion/discontinuation.

Reporting Groups
  Description
Quetiapine XR Quetiapine XR 150 to 300mg once a day
Placebo Matching placebo

Participant Flow:   Overall Study
    Quetiapine XR     Placebo  
STARTED     93     100  
COMPLETED     70     74  
NOT COMPLETED     23     26  
Adverse Event                 3                 12  
Lost to Follow-up                 5                 1  
Withdrawal by Subject                 2                 4  
Severe non-compliance to protocol                 2                 4  
Lack of therapeutic response                 4                 1  
Condition under investigation worsened                 1                 3  
Other 2                 4                 1  
Incorrect Enrollment                 1                 0  
Safety Reasons                 1                 0  



  Baseline Characteristics
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Reporting Groups
  Description
Quetiapine XR Quetiapine XR 150 to 300mg once a day
Placebo Matching placebo
Total Total of all reporting groups

Baseline Measures
    Quetiapine XR     Placebo     Total  
Number of Participants  
[units: participants]
  92     100     192  
Age [1]
[units: years]
Mean ± Standard Deviation
  13.9  ± 2.18     14.0  ± 2.05     14.0  ± 2.11  
Gender [1]
[units: participants]
     
Female     47     48     95  
Male     45     52     97  
[1] Safety analysis set



  Outcome Measures
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1.  Primary:   Change in the Children Depression Rating Scale, Revised (CDRS-R) Total Score From Baseline to Final Assessment (Day 57)   [ Time Frame: Will be scored at all visits. the analysis is the change from baseline to the final assessment at day 57 ]

2.  Secondary:   Number of Patients Reaching Remission Where Remission is Defined as CDRS-R Total Score ≤28 at Final Assessment (Day 57).   [ Time Frame: Days 8 to 57 ]

3.  Secondary:   The Number of Patients With the Response, Where Response is Defined as ≥50% Reduction From Baseline to Final Assessment (Day 57) in CDRS-R Total Score   [ Time Frame: Days 8 to 57 ]

4.  Secondary:   Change From Baseline to Final Assessment (Day 57) in the CGI-BP-S   [ Time Frame: Change from Baseline to Day 57 ]

5.  Secondary:   CGI-BP-C Score at Final Assessment (Day 57)   [ Time Frame: Change from Baseline to day 57 ]

6.  Secondary:   The Proportion of Patients at Final Assessment (Day 57) With Improvement of Overall Bipolar Illness   [ Time Frame: Day 57 ]


  Serious Adverse Events


  Other Adverse Events


  More Information