Safety and Efficacy of Cariprazine as an Adjunctive to Antidepressant Therapy in Major Depressive Disorder
Major Depressive Disorder

About this trial
This is an interventional treatment trial for Major Depressive Disorder focused on measuring Major depressive disorder, Depression
Eligibility Criteria
Inclusion Criteria:
- Male or female outpatients 18 to 65 years of age, inclusive.
- Currently meet the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision (DSM-IV-TR) criteria for moderate to severe major depressive disorder (MDD).
- Current major depressive episode of at least 8 weeks and not exceeding 24 months in duration.
- Ongoing inadequate response to protocol allowed antidepressant therapy (ADT).
Exclusion Criteria:
- Principal DSM-IV-TR-based diagnosis of an axis I disorder, other than MDD,
- Women who are pregnant, or planning to become pregnant or breastfeed during the study or not practicing reliable contraception that will continue through out the study.
History of meeting DSM-IV-TR criteria for:
- Depressive episode with psychotic or catatonic features.
- Manic, hypomanic or mixed episode, including bipolar disorder and substance induced manic, hypomanic or mixed episode.
- Schizophrenia, schizoaffective, or other psychotic disorder.
- Obsessive-compulsive disorder.
- Bulimia or anorexia nervosa.
- Dementia, amnesic, or other cognitive disorder.
- Mental retardation.
- Participants considered a suicide risk.
Sites / Locations
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Arms of the Study
Arm 1
Arm 2
Arm 3
Placebo Comparator
Experimental
Experimental
Placebo
Cariprazine 1-2 mg
Cariprazine 2-4.5 mg
Participants received placebo orally once a day for 8 weeks. Each participant continued to take the same dose of antidepressant therapy (bupropion, citalopram, desvenlafaxine, duloxetine, escitalopram, fluoxetine, sertraline, venlafaxine, or vilazodone) the participant was receiving prior to entering this study throughout treatment.
Participants received cariprazine orally once a day for 8 weeks. Participants received cariprazine 0.5 mg on Days 1 and 2 and 1.0 mg on Days 3-7. At the investigator's discretion dose levels could be increased during Week 2. Dose levels allowed during Week 2 were 1.0 or 1.5 mg. A second dose increase was allowed starting at Week 3. Dose levels allowed during Week 3 and the remainder of the treatment period were 1.0, 1.5, or 2.0 mg. Each participant continued to take the same dose of antidepressant therapy (bupropion, citalopram, desvenlafaxine, duloxetine, escitalopram, fluoxetine, sertraline, venlafaxine, or vilazodone) the participant was receiving prior to entering this study throughout treatment.
Participants received cariprazine orally once a day for 8 weeks. Participants received cariprazine 0.5 mg on Days 1 and 2, 1.0 mg on Day 3, 1.5 mg on Day 4, and 2.0 mg on Days 5-7. At the investigator's discretion dose levels could be increased during Week 2. Dose levels allowed during Week 2 were 2.0 or 3.0 mg. A second dose increase was allowed starting at Week 3. Dose levels allowed during Week 3 and the remainder of the treatment period were 2.0, 3.0, or 4.5 mg. Each participant continued to take the same dose of antidepressant therapy (bupropion, citalopram, desvenlafaxine, duloxetine, escitalopram, fluoxetine, sertraline, venlafaxine, or vilazodone) the participant was receiving prior to entering this study throughout treatment.