Study Evaluating Desvenlafaxine Succinate Sustained-Release Tablets (DVS SR) In The Treatment Of Child and Adolescent Outpatients With Major Depressive Disorder

Phase 2

Completed

Interventions: Drug: Desvenlafaxine Succinate Sustained-Release Tablets (DVS SR)

Brief Summary: The primary purpose of this study is to evaluate the long-term safety and tolerability of Desvenlafaxine Succinate Sustained-Release (DVS SR) in child and adolescent outpatients with major depressive disorder. A secondary aim is to evaluate the efficacy of DVS SR in the treatment of child and adolescent outpatients with major depressive disorder in an exploratory manner.

Recruitment & Eligibility

Inclusion Criteria

Outpatients who have completed 8-weeks of treatment in the preceding study, 3151A6-2000, and who, in the opinion of the investigator, would benefit from long-term treatment.
Study participants who are not surgically sterile or postmenopausal must agree and commit to the use of a reliable method of birth control for the duration of the study and for 15 days after the last dose of test article. Sexually active study participants must agree and commit to the use of condoms in addition to other contraceptive methods.

Exclusion Criteria

Clinically important abnormalities on baseline physical examination or any clinically significant abnormality on electrocardiogram (ECG), laboratory test results, or vital signs recorded before the final study day (day 56 visit) of the preceding study 3151A6-2000.
Unresolved clinically significant adverse events or serious adverse events in the preceding study 3151A6-2000.
Poor compliance with the preceding study 3151A6-2000, as assessed by the investigator and the medical monitor.
Other exclusion criteria apply.

Arm && Interventions

Group	Intervention	Description
A	Desvenlafaxine Succinate Sustained-Release Tablets (DVS SR)	-

Primary Outcome Measures

Name	Time	Method
Number of Participants With Adverse Events AEs) and Serious Adverse Events (SAEs)	Baseline (Extension study) up to Extension study Week 29 Follow up visit	AEs are any untoward, undesired, or unplanned event in the form of signs, symptoms, disease, or laboratory or physiologic observations occurring in a person given study treatment. The event does not need to be causally related to the study treatment. SAEs are adverse events that result in death, are life threatening, require hospitalization or prolongation of hospitalization, result in persistent or significant disability or incapacity, result in cancer, or result in a congenital anomaly or birth defect.
Number of Participants for Columbia Suicide-Severity Rating Scale (C-SSRS) According to the Columbia Classification Algorithm of Suicide Assessment (C-CASA) Categories	Postbaseline (≥Day 1 in Core study NCT00619619) up to Week 26 (Extension study)	C-SSRS is a participant rated questionnaire to assess suicidal ideation, suicidal behavior, actual attempts (yes or no responses), and intensity of ideation (rated 1=low severity to 5=high severity). Yes/No responses are mapped to Columbia Classification Algorithm of Suicide Assessment (C-CASA) categories: Completed suicide, suicide attempt, preparatory acts toward imminent suicidal behavior, suicidal ideation, and self-injurious behavior, or no suicidal intent. A participant could have a yes or no response in more than one category.

Secondary Outcome Measures