| Primary | Mean Change From Baseline in Montgomery-Asberg Depression Rating Scale (MADRS) Total Score at up to 8 Weeks | MADRS is a validated, 10-item rating scale with each item being scored on a scale from 0-6 with a total score ranging from 0-60. Lower scores indicate a decreased severity of depression. | Full Analysis Set: Subjects who took at least 1 dose of randomized investigational product and who had at least 1 valid primary efficacy measurement of the MADRS total score after the Augmentation Baseline Visit (Visit 8). | Posted | | Least Squares Mean | 95% Confidence Interval | units on a scale | | 8 weeks | | | | ID | Title | Description |
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| OG000 | Antidepressant + Placebo | Antidepressant + Placebo: Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + Placebo (oral, once daily) for 8 weeks. | | OG001 | Antidepressant + SPD489 | Antidepressant + SPD489 (Lisdexamfetamine dimesylate): Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + SPD489 (optimized as a 20, 30, 50, or 70 mg dose, oral, once daily), for 8 weeks. |
| | | Title | Denominators | Categories |
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| | | Title | Measurements |
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| - OG000-6.3(-7.6 to -4.9)
- OG001-6.1(-7.5 to -4.8)
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| | Group IDs | Group Description | Statistical Method | Statistical Comment | P-Value | P-Value Comment | Parameter Type | Parameter Value | Dispersion Type | Dispersion Value | Confidence Interval Sides | Confidence Interval % | CI Lower Limit | CI Upper Limit | CI Lower Limit Comment | CI Upper Limit Comment | Estimate Comment | Tested Non-Inferiority | Non-Inferiority Type | Non-Inferiority Comment | Other Analysis Description |
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| | Mixed- effects Model for Repeat Measures | | 0.883 | | Difference in LS Mean | 0.1 | Standard Error of the Mean | 0.96 | 2-Sided | 95 | -1.7 | 2.0 | | | | | Superiority or Other (legacy) | | |
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| Secondary | Change From Baseline in Sheehan Disability Scale (SDS) Total Score at up to 8 Weeks | Designed to evaluate the extent to which illness symptoms impact a subject's life in 3 areas: work/school, social, and family/home. Each area is scored on a scale from 0 (no impairment) to 10 (highly impaired) with a total score ranging from 0 (unimpaired) to 30 (highly impaired). Lower scores translate into less impairment. | Full Analysis Set: Subjects who took at least 1 dose of randomized investigational product and who had at least 1 valid primary efficacy measurement of the MADRS total score after the Augmentation Baseline Visit (Visit 8). | Posted | | Least Squares Mean | 95% Confidence Interval | units on a scale | | 8 weeks | | | | ID | Title | Description |
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| OG000 | Antidepressant + Placebo | Antidepressant + Placebo: Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + Placebo (oral, once daily) for 8 weeks. | | OG001 | Antidepressant + SPD489 | Antidepressant + SPD489 (Lisdexamfetamine dimesylate): Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + SPD489 (optimized as a 20, 30, 50, or 70 mg dose, oral, once daily), for 8 weeks. |
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| Secondary | Percentage of Participants Achieving a 25% Response on the MADRS | The percentage of subjects who achieved a 25% response (i.e., ≥25% reduction in MADRS total score from Lead-in Baseline, Visit 2; Week 0). A comparison was performed at Visit 14/Early Termination (ET) (Week 16/ET). | Full Analysis Set: Subjects who took at least 1 dose of randomized investigational product and who had at least 1 valid primary efficacy measurement of the MADRS total score after the Augmentation Baseline Visit (Visit 8). | Posted | | Number | | percentage of participants | | up to 8 weeks | | | | ID | Title | Description |
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| OG000 | Antidepressant + Placebo | Antidepressant + Placebo: Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + Placebo (oral, once daily) for 8 weeks. | | OG001 | Antidepressant + SPD489 | Antidepressant + SPD489 (Lisdexamfetamine dimesylate): Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + SPD489 (optimized as a 20, 30, 50, or 70 mg dose, oral, once daily), for 8 weeks. |
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| Secondary | Percentage of Participants Achieving a 50% Response on the MADRS | The percentage of subjects who achieved a 50% response (i.e., ≥50% reduction in MADRS total score from Lead-in Baseline, Visit 2; Week 0). A comparison was performed at Visit 14/ET (Week 16/ET). | Full Analysis Set: Subjects who took at least 1 dose of randomized investigational product and who had at least 1 valid primary efficacy measurement of the MADRS total score after the Augmentation Baseline Visit (Visit 8). | Posted | | Number | | percentage of participants | | up to 8 weeks | | | | ID | Title | Description |
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| OG000 | Antidepressant + Placebo | Antidepressant + Placebo: Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + Placebo (oral, once daily) for 8 weeks. | | OG001 | Antidepressant + SPD489 | Antidepressant + SPD489 (Lisdexamfetamine dimesylate): Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + SPD489 (optimized as a 20, 30, 50, or 70 mg dose, oral, once daily), for 8 weeks. |
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| Secondary | Percentage of Participants Achieving Remission on the MADRS | MADRS remission was defined as a MADRS total score of ≤10. A comparison was performed at Visit 14/ET (Week 16/ET). | Full Analysis Set: Subjects who took at least 1 dose of randomized investigational product and who had at least 1 valid primary efficacy measurement of the MADRS total score after the Augmentation Baseline Visit (Visit 8). | Posted | | Number | | percentage of participants | | up to 8 weeks | | | | ID | Title | Description |
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| OG000 | Antidepressant + Placebo | Antidepressant + Placebo: Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + Placebo (oral, once daily) for 8 weeks. | | OG001 | Antidepressant + SPD489 | Antidepressant + SPD489 (Lisdexamfetamine dimesylate): Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + SPD489 (optimized as a 20, 30, 50, or 70 mg dose, oral, once daily), for 8 weeks. |
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| Secondary | Mean Change From Baseline Over Time in MADRS Total Score | MADRS is a validated, 10-item rating scale with each item being scored on a scale from 0-6 with a total score ranging from 0-60. Lower scores indicate a decreased severity of depression. | Full Analysis Set: Subjects who took at least 1 dose of randomized investigational product and who had at least 1 valid primary efficacy measurement of the MADRS total score after the Augmentation Baseline Visit (Visit 8). | Posted | | Least Squares Mean | 95% Confidence Interval | units on a scale | | Baseline and up to 8 weeks | | | | ID | Title | Description |
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| OG000 | Antidepressant + Placebo | Antidepressant + Placebo: Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + Placebo (oral, once daily) for 8 weeks. | | OG001 | Antidepressant + SPD489 | Antidepressant + SPD489 (Lisdexamfetamine dimesylate): Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + SPD489 (optimized as a 20, 30, 50, or 70 mg dose, oral, once daily), for 8 weeks. |
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| Secondary | Mean Change From Baseline in the Quick Inventory of Depressive Symptomatology - Self Report (QIDS SR) | The QIDS-SR is a self-administered questionnaire designed to rate depressive symptoms. The scale contains 16 items, each scored using a 4-point scale ranging from 0 (representing the most favorable response [low amount of symptom]) to 3 (representing the least favorable response [frequent/intense symptom]). The total score could range from 0 (no depression) to 27 (very severe depression). Higher scores represent more severe depressive symptoms. | Full Analysis Set: Subjects who took at least 1 dose of randomized investigational product and who had at least 1 valid primary efficacy measurement of the MADRS total score after the Augmentation Baseline Visit (Visit 8). | Posted | | Least Squares Mean | 95% Confidence Interval | units on a scale | | up to 8 weeks | | | | ID | Title | Description |
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| OG000 | Antidepressant + Placebo | Antidepressant + Placebo: Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + Placebo (oral, once daily) for 8 weeks. | | OG001 | Antidepressant + SPD489 | Antidepressant + SPD489 (Lisdexamfetamine dimesylate): Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + SPD489 (optimized as a 20, 30, 50, or 70 mg dose, oral, once daily), for 8 weeks. |
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| Secondary | Mean Change From Baseline in the Short Form-12 Health Survey V2 (SF-12V2) | Total score ranges from 0 (lowest level of health) - 100 (highest level of health) on the assumption that each question carries equal weight. The lower the score the more disability. The higher the score the less disability (i.e. a score of zero is equivalent to maximum disability and a score of 100 is equivalent to no disability). Higher scores are associated with better quality of life. | Full Analysis Set: Subjects who took at least 1 dose of randomized investigational product and who had at least 1 valid primary efficacy measurement of the MADRS total score after the Augmentation Baseline Visit (Visit 8). | Posted | | Least Squares Mean | 95% Confidence Interval | units on a scale | | up to 8 weeks | | | | ID | Title | Description |
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| OG000 | Antidepressant + Placebo | Antidepressant + Placebo: Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + Placebo (oral, once daily) for 8 weeks. | | OG001 | Antidepressant + SPD489 | Antidepressant + SPD489 (Lisdexamfetamine dimesylate): Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + SPD489 (optimized as a 20, 30, 50, or 70 mg dose, oral, once daily), for 8 weeks. |
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| Secondary | Mean Change From Baseline in the Quality of Life Enjoyment Satisfaction Questionnaire Short Form (Q-LES-Q-SF) | The short form is a 16-item self-report questionnaire which evaluates general subject satisfaction with health, mood, relationships, functioning in daily life, and the treatment being taken. Overall level of satisfaction is evaluated on a 5-point scale from 1 (very poor) to 5 (very good). The total score ranges from 14-70 (last two items on the form are not included in the total score). A higher score indicates a better quality of life. | Full Analysis Set: Subjects who took at least 1 dose of randomized investigational product and who had at least 1 valid primary efficacy measurement of the MADRS total score after the Augmentation Baseline Visit (Visit 8). | Posted | | Least Squares Mean | 95% Confidence Interval | units on a scale | | up to 8 weeks | | | | ID | Title | Description |
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| OG000 | Antidepressant + Placebo | Antidepressant + Placebo: Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + Placebo (oral, once daily) for 8 weeks. | | OG001 | Antidepressant + SPD489 | Antidepressant + SPD489 (Lisdexamfetamine dimesylate): Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + SPD489 (optimized as a 20, 30, 50, or 70 mg dose, oral, once daily), for 8 weeks. |
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| Secondary | Clinical Global Impressions - Global Improvement (CGI-I) | Clinical Global Impression-Improvement (CGI-I) consists of a 7-point scale ranging from 1 (very much improved) to 7 (very much worse). Improvement is defined as a score of 1 (very much improved) or 2 (much improved) on the scale. | Full Analysis Set: Subjects who took at least 1 dose of randomized investigational product and who had at least 1 valid primary efficacy measurement of the MADRS total score after the Augmentation Baseline Visit (Visit 8). | Posted | | Number | | percentage of participants | | up to 8 weeks | | | | ID | Title | Description |
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| OG000 | Antidepressant + Placebo | Antidepressant + Placebo: Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + Placebo (oral, once daily) for 8 weeks. | | OG001 | Antidepressant + SPD489 | Antidepressant + SPD489 (Lisdexamfetamine dimesylate): Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + SPD489 (optimized as a 20, 30, 50, or 70 mg dose, oral, once daily), for 8 weeks. |
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| Secondary | Columbia Suicide Severity Rating Scale (C-SSRS) | C-SSRS is a semi-structured interview that captures the occurrence, severity, and frequency of suicide-related thoughts and behaviors during the assessment period. The interview includes definitions and suggested questions to solicit the type of information needed to determine if a suicide-related thought or behavior occurred. The assessment is done by the nature of the responses, not by a numbered scale. | Full Analysis Set: Subjects who took at least 1 dose of randomized investigational product and who had at least 1 valid primary efficacy measurement of the MADRS total score after the Augmentation Baseline Visit (Visit 8). | Posted | | Number | | percentage of participants | | up to 8 weeks | | | | ID | Title | Description |
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| OG000 | Antidepressant + Placebo | Antidepressant + Placebo: Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + Placebo (oral, once daily) for 8 weeks. | | OG001 | Antidepressant + SPD489 | Antidepressant + SPD489 (Lisdexamfetamine dimesylate): Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + SPD489 (optimized as a 20, 30, 50, or 70 mg dose, oral, once daily), for 8 weeks. |
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| Secondary | Amphetamine Cessation Symptom Assessment (ACSA) | ACSA scale has 16 symptom items rated on a scale from 0 (not at all) to 4 (extremely) with a possible total score range of 0 to 64. Higher scores indicate greater withdrawal symptom severity. | Full Analysis Set: Subjects who took at least 1 dose of randomized investigational product and who had at least 1 valid primary efficacy measurement of the MADRS total score after the Augmentation Baseline Visit (Visit 8). | Posted | | Mean | Standard Deviation | units on a scale | | up to 8 weeks | | | | ID | Title | Description |
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| OG000 | Antidepressant + Placebo | Antidepressant + Placebo: Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + Placebo (oral, once daily) for 8 weeks. | | OG001 | Antidepressant + SPD489 | Antidepressant + SPD489 (Lisdexamfetamine dimesylate): Antidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release, or duloxetine hydrochloride) oral, once daily + SPD489 (optimized as a 20, 30, 50, or 70 mg dose, oral, once daily), for 8 weeks. |
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