Major Depressive Disorder
Conditions
Keywords
Major Depressive Disorder, MDD, Depression
Brief summary
The purpose of this study is to determine if TC-5214 or placebo (a tablet that looks like a medicine tablet or capsule, but contains no active medicine) is safe and effective when taken together with another antidepressant.
Detailed description
A Multicenter, Randomized, Double-Blind Parallel Group Placebo-Controlled Phase III, Efficacy and Safety Study of 3 Fixed Dose Groups of TC-5214 (S-mecamylamine) as an Adjunct to an Antidepressants in Patients with Major Depressive Disorder Who Exhibit an Inadequate Response to Antidepressant Therapy
Interventions
Twice daily for 8 weeks.
Twice daily for 8 weeks.
Sponsors
Study design
Eligibility
Inclusion criteria
* Provision of signed and dated informed consent before initiation of any study-related procedures. * The patient must have a clinical diagnosis of major depressive disorder (MDD) with inadequate response to no more than one antidepressant. * Outpatient status at enrollment and randomization.
Exclusion criteria
* Patients with a lifetime history of bipolar disorder, psychotic disorder or post-traumatic stress disorder. * Patients with a history of suicide attempts in the past year and/or seen by the investigator as having a significant history of risk of suicide or homicide. * History of renal insufficiency or impairment or conditions that could affect absorption or metabolism of investigational product.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Change in the Montgomery-Asberg Depression Rating Scale (MADRS) Total Score From Randomization to End of Treatment. | Randomization (Week 8) to end of treatment (Week 16) | A 10-item scale for the evaluation of depressive symptoms. Each MADRS item is rated on a 0 to 6 scale. The MADRS total score is calculated as the sum of the 10 individual item scores; the total score can range from 0 to 60. Higher MADRS scores indicate higher levels of depressive symptoms. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Remission in Depressive Symptoms of MDD, Defined as MADRS Total Score of ≤8 at End of Treatment (Week 16) | Week 16 | The percentage of patients with a MADRS total score of ≤8 at end of treatment (Week 16) was calculated. MADRS is 10-item scale for the evaluation of depressive symptoms. Each MADRS item is rated on a 0 to 6 scale. The MADRS total score is calculated as the sum of the 10 individual item scores; the total score can range from 0 to 60. Higher MADRS scores indicate higher levels of depressive symptoms. |
| Early and Sustained Response, Defined as a ≥50% Reduction From Randomization (Week 8) in MADRS Total Score and a MADRS Total Score of ≤12 at Week 10, Week 12, Week 14, and End of Treatment (Week 16) | Randomization (Week 8) to end of treatment (Week 16); Week 10, Week 12, Week 14, and Week 16 | The percentage of patients with a ≥50% reduction from randomization (Week 8) in MADRS total score and a MADRS total score of ≤12 at Week 10, Week 12, Week 14, and end of treatment (Week 16) was calculated. MADRS is 10-item scale for the evaluation of depressive symptoms. Each MADRS item is rated on a 0 to 6 scale. The MADRS total score is calculated as the sum of the 10 individual item scores; the total score can range from 0 to 60. Higher MADRS scores indicate higher levels of depressive symptoms. |
| Sustained Response, Defined as a ≥50% Reduction From Randomization (Week 8) in MADRS Total Score and a MADRS Total Score of ≤12 at Week 12, Week 14, and End of Treatment (Week 16) | Randomization (Week 8) to end of treatment (Week 16); Week 12, Week 14, and Week 16 | The percentage of patients with a ≥50% reduction from randomization (Week 8) in MADRS total score and a MADRS total score of ≤12 at Week 12, Week 14, and end of treatment (Week 16) was calculated. MADRS is 10-item scale for the evaluation of depressive symptoms. Each MADRS item is rated on a 0 to 6 scale. The MADRS total score is calculated as the sum of the 10 individual item scores; the total score can range from 0 to 60. Higher MADRS scores indicate higher levels of depressive symptoms. |
| Sustained Remission, Defined as a MADRS Total Score of ≤8 at Week 12, Week 14, and End of Treatment (Week 16) | Week 12, Week 14, Week 16 | The percentage of patients with a MADRS total score of ≤8 at Week 12, Week 14, and end of treatment (Week 16)was calculated. MADRS is 10-item scale for the evaluation of depressive symptoms. Each MADRS item is rated on a 0 to 6 scale. The MADRS total score is calculated as the sum of the 10 individual item scores; the total score can range from 0 to 60. Higher MADRS scores indicate higher levels of depressive symptoms. |
| Change in Depressive Symptoms From Randomization (Week 8) to End of Treatment (Week 16) as Measured by Hamilton Rating Scale for Depression-17 Items (HAMD-17) Total Score | Randomization (Week 8) to end of treatment (Week 16) | A 17-item, clinician-rated scale that assesses depressive symptoms. The HAMD-17 consists of 17 symptoms, each of which is rated from 0 to 2 or 0 to 4, where 0 is none/absent. The HAMD-17 total score is calculated as the sum of the 17 individual symptom scores; the total score can range from 0 to 52. Higher HAMD-17 scores indicate more severe depression. |
| Change in the Clinician-rated Global Outcome of Severity as Measured by the Clinical Global Impression-Severity (CGI-S) Score From Randomization (Week 8) to End of Treatment (Week 16) | Randomization (Week 8) to end of treatment (Week 16) | A 3-part, clinician-administered scale that rates the improvement or worsening of the patient's illness from randomization (baseline). Each item is scored on a 1 to 7 scale. Higher CGI-S scores indicate greater illness severity. |
| Response in the Clinical Global Impression-Improvement (CGI-I) Defined as CGI-I Rating of Very Much Improved or Much Improved From Randomization (Week 8) to End of Treatment (Week 16) | Randomization (Week 8) to end of treatment (Week 16) | A 3-part, clinician-administered scale that rates the improvement or worsening of the patient's illness from randomization (baseline). Each item is scored on a 1 to 7 scale. CGI-I scores \>4 indicate worsening, while scores \<4 indicate improvement. |
| Change in Hamilton Anxiety Scale (HAM-A) Total Score From Randomization (Week 8) to End of Treatment (Week 16) | Randomization (Week 8) to end of treatment (Week 16) | A 14-item clinician-administered scale for the evaluation of anxiety symptoms. Each HAM-A item is rated on a 0 to 4 scale. Higher HAM-A scores indicate higher levels of anxiety. |
| Change in MADRS Total Score From Randomization (Week 8) to Week 9 | Randomization (Week 8) to Week 9 | A 10-item scale for the evaluation of depressive symptoms. Each MADRS item is rated on a 0 to 6 scale. The MADRS total score is calculated as the sum of the 10 individual item scores; the total score can range from 0 to 60. Higher MADRS scores indicate higher levels of depressive symptoms. |
| Change in MADRS Total Score From Randomization (Week 8) to Week 10 | Randomization (Week 8) to Week 10 | A 10-item scale for the evaluation of depressive symptoms. Each MADRS item is rated on a 0 to 6 scale. The MADRS total score is calculated as the sum of the 10 individual item scores; the total score can range from 0 to 60. Higher MADRS scores indicate higher levels of depressive symptoms. |
| Response in Depressive Symptoms of Major Depressive Disorder (MDD), Defined as a ≥50% Reduction From Randomization (Week 8) in MADRS Total Score at End of Treatment (Week 16) | Randomization (Week 8) to end of treatment (Week 16) | The percentage of patients with a ≥50% reduction from randomization (Week 8) in MADRS total score at end of treatment (Week 16) was calculated. MADRS is 10-item scale for the evaluation of depressive symptoms. Each MADRS item is rated on a 0 to 6 scale. The MADRS total score is calculated as the sum of the 10 individual item scores; the total score can range from 0 to 60. Higher MADRS scores indicate higher levels of depressive symptoms. |
| Change in MADRS Total Score From Randomization (Week 8) to Week 14 | Randomization (Week 8) to Week 14 | A 10-item scale for the evaluation of depressive symptoms. Each MADRS item is rated on a 0 to 6 scale. The MADRS total score is calculated as the sum of the 10 individual item scores; the total score can range from 0 to 60. Higher MADRS scores indicate higher levels of depressive symptoms. |
| Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by the Sheehan Disability Scale (SDS) Total Score | Randomization (Week 8) to end of treatment (Week 16) | Sheehan Disability Scale (SDS) is 5-item, self-administered scale that measures the extent a patient is impaired by their disease. Higher scores indicate more severe impairment. The SDS total score is calculated as the sum of the score for the 3 inter-correlated domains (school/work, social life, and family life/home responsibilities) and ranges from 0 (unimpaired) to 30 (highly impaired). |
| Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by SDS Work/School Domain Score | Randomization (Week 8) to end of treatment (Week 16) | A 5-item, self-administered scale that measures the extent a patient is impaired by their disease. Higher scores indicate more severe impairment. The 3 inter-correlated domains are school/work, social life, and family life/home responsibilities. The numerical rating for the work/school domain score is 0- 10, where 10 is considered to be 'highly impaired'. |
| Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by SDS Social Life Domain Score | Randomization (Week 8) to end of treatment (Week 16) | A 5-item, self-administered scale that measures the extent a patient is impaired by their disease. Higher scores indicate more severe impairment. The 3 inter-correlated domains are school/work, social life, and family life/home responsibilities. The numerical rating for the SDS social life domain score is 0- 10, where 10 is considered to be 'highly impaired'. |
| Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by SDS Family Life/Home Responsibilities Domain Score | Randomization (Week 8) to end of treatment (Week 16) | A 5-item, self-administered scale that measures the extent a patient is impaired by their disease. Higher scores indicate more severe impairment. The 3 inter-correlated domains are school/work, social life, and family life/home responsibilities. The numerical rating for the SDS family life/home responsibilities domain score is 0- 10, where 10 is considered to be 'highly impaired'. |
| Change in Overall Quality of Life and Satisfaction From Randomization (Week 8) to End of Treatment (Week 16) by Assessing the Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form (Q-LES-Q-SF) % Maximum Total Score | Randomization (Week 8) to end of treatment (Week 16) | The Q-LES-Q-SF (Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form) total score is derived by summing item scores 1 to 14. Higher scores are indicative of greater enjoyment or satisfaction in each domain. The Q-LES-Q-SF % maximum total score is calculated as 100% × (Q-LES-Q-SF total score - 14) / 56, and can range from 0% to 100%. |
| Change From Randomization (Week 8) to End of Treatment (Week 16) in Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form (Q LES-Q-SF) Item 15 | Randomization (Week 8) to end of treatment (Week 16) | The Q-LES-Q-SF (Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form) measures the patient's satisfaction with medication and overall quality of life. The 15th item queries respondents' satisfaction with the medication they are taking. Higher scores are indicative of greater enjoyment or satisfaction in each domain. |
| Change From Randomization (Week 8) to End of Treatment (Week 16) in Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form (Q LES-Q-SF) Item 16 | Randomization (Week 8) to end of treatment (Week 16) | The Q-LES-Q-SF (Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form) measures the patient's satisfaction with medication and overall quality of life. The 16th item is a global rating of overall life satisfaction and contentment. Higher scores are indicative of greater enjoyment or satisfaction in each domain. |
| Change in EuroQol - 5 Dimensions (EQ-5D) From Randomization (Week 8) to End of Treatment (Week 16) | Randomization (Week 8) to end of treatment (Week 16) | A self-assessment questionnaire that provides 2 measures of health status. The EQ-5D index score is a weighted linear combination over 5 dimensions of health status. The score for each of the 5 dimensions can range from 1 to 3, and an equation is used to calculate the EQ-5D index score. The EQ-5D index score can range from possible negative values to a maximum of 1.0. The EQ-VAS is a visual analog scale with a range of 0 to 100. For both variables, a higher score indicates a better health state. |
| Change in MADRS Total Score From Randomization (Week 8) to Week 12 | Randomization (Week 8) to Week 12 | A 10-item scale for the evaluation of depressive symptoms. Each MADRS item is rated on a 0 to 6 scale. The MADRS total score is calculated as the sum of the 10 individual item scores; the total score can range from 0 to 60. Higher MADRS scores indicate higher levels of depressive symptoms. |
Countries
Argentina, Brazil, Bulgaria, Chile, Colombia, Croatia, France, Germany, Hungary, Poland, Romania, Russia, Serbia, Slovakia, South Africa, Spain, Ukraine
Participant flow
Recruitment details
This multicenter study was conducted in Europe, South Africa, and Latin America between 1 September 2010 and 30 January 2012.
Pre-assignment details
The study had an up to 21-day screening/washout period, and an 8-week prospective open-label antidepressant treatment (ADT) period to identify the target patient population of inadequate responders to ADT (\<50% reduction in HAMD-17 total score during the prospective open-label ADT period, a HAMD-17 total score of ≥16 and a CGI-S score ≥4).
Participants by arm
| Arm | Count |
|---|---|
| 0.1 mg BID TC-5214 Selective serotonin reuptake inhibitor (SSRI)/Serotonin/norepinephrine reuptake inhibitor (SNRI) + TC-5214, 0.1 mg BID | 174 |
| 1 mg BID TC-5214 Selective serotonin reuptake inhibitor (SSRI)/Serotonin/norepinephrine reuptake inhibitor (SNRI) + TC-5214, 1 mg BID | 174 |
| 4 mg BID TC-5214 Selective serotonin reuptake inhibitor (SSRI)/Serotonin/norepinephrine reuptake inhibitor (SNRI) + TC-5214, 4 mg BID | 174 |
| Placebo Selective serotonin reuptake inhibitor (SSRI)/Serotonin/norepinephrine reuptake inhibitor (SNRI) + Placebo BID | 174 |
| Total | 696 |
Withdrawals & dropouts
| Period | Reason | FG000 | FG001 | FG002 | FG003 |
|---|---|---|---|---|---|
| Overall Study | Adverse Event | 10 | 13 | 23 | 3 |
| Overall Study | Condition under investigation worsened | 1 | 1 | 1 | 1 |
| Overall Study | Eligiblity criteria not fulfilled | 0 | 0 | 2 | 0 |
| Overall Study | Lack of Efficacy | 1 | 2 | 2 | 1 |
| Overall Study | Lost to Follow-up | 1 | 1 | 2 | 0 |
| Overall Study | Other | 2 | 3 | 2 | 2 |
| Overall Study | Severe non-compliance to protocol | 0 | 3 | 1 | 3 |
| Overall Study | Study-specific withdrawal criteria | 0 | 0 | 1 | 2 |
| Overall Study | Withdrawal by Subject | 8 | 7 | 15 | 4 |
Baseline characteristics
| Characteristic | 1 mg BID TC-5214 | Total | Placebo | 4 mg BID TC-5214 | 0.1 mg BID TC-5214 |
|---|---|---|---|---|---|
| Age, Continuous | 45.0 years STANDARD_DEVIATION 11.72 | 45.6 years STANDARD_DEVIATION 11.21 | 45.8 years STANDARD_DEVIATION 11.75 | 45.6 years STANDARD_DEVIATION 10.72 | 46.0 years STANDARD_DEVIATION 10.66 |
| Hamilton Rating Scale for Depression-17 items (HAMD-17) total score at randomization | 20.98 Scores on a scale STANDARD_DEVIATION 3.182 | 21.30 Scores on a scale STANDARD_DEVIATION 3.517 | 21.26 Scores on a scale STANDARD_DEVIATION 3.614 | 21.50 Scores on a scale STANDARD_DEVIATION 3.674 | 21.49 Scores on a scale STANDARD_DEVIATION 3.587 |
| Montgomery-Asberg Depression Rating Scale (MADRS) total score at randomization | 24.67 Scores on a scale STANDARD_DEVIATION 5.389 | 24.62 Scores on a scale STANDARD_DEVIATION 5.152 | 24.11 Scores on a scale STANDARD_DEVIATION 4.992 | 25.03 Scores on a scale STANDARD_DEVIATION 5.137 | 24.69 Scores on a scale STANDARD_DEVIATION 5.086 |
| Race/Ethnicity, Customized American Indian or Alaska Native | 1 participants | 1 participants | 0 participants | 0 participants | 0 participants |
| Race/Ethnicity, Customized Asian | 1 participants | 2 participants | 1 participants | 0 participants | 0 participants |
| Race/Ethnicity, Customized Black or African American | 3 participants | 8 participants | 2 participants | 1 participants | 2 participants |
| Race/Ethnicity, Customized Native Hawaiian or other Pacific Islander | 0 participants | 0 participants | 0 participants | 0 participants | 0 participants |
| Race/Ethnicity, Customized Other | 13 participants | 53 participants | 13 participants | 16 participants | 11 participants |
| Race/Ethnicity, Customized White | 156 participants | 632 participants | 158 participants | 157 participants | 161 participants |
| Sex: Female, Male Female | 125 Participants | 498 Participants | 129 Participants | 117 Participants | 127 Participants |
| Sex: Female, Male Male | 49 Participants | 198 Participants | 45 Participants | 57 Participants | 47 Participants |
Adverse events
| Event type | EG000 affected / at risk | EG001 affected / at risk | EG002 affected / at risk | EG003 affected / at risk |
|---|---|---|---|---|
| deaths Total, all-cause mortality | — / — | — / — | — / — | — / — |
| other Total, other adverse events | 64 / 174 | 68 / 174 | 72 / 174 | 94 / 171 |
| serious Total, serious adverse events | 2 / 174 | 2 / 174 | 4 / 174 | 2 / 171 |
Outcome results
Change in the Montgomery-Asberg Depression Rating Scale (MADRS) Total Score From Randomization to End of Treatment.
A 10-item scale for the evaluation of depressive symptoms. Each MADRS item is rated on a 0 to 6 scale. The MADRS total score is calculated as the sum of the 10 individual item scores; the total score can range from 0 to 60. Higher MADRS scores indicate higher levels of depressive symptoms.
Time frame: Randomization (Week 8) to end of treatment (Week 16)
Population: Modified intent-to-treat analysis set including all randomized patients who received at least 1 dose of investigational product (TC-5214 or placebo) and who had a randomization and at least 1 post-randomization MADRS total score.
| Arm | Measure | Value (LEAST_SQUARES_MEAN) | Dispersion |
|---|---|---|---|
| 0.1 mg BID TC-5214 | Change in the Montgomery-Asberg Depression Rating Scale (MADRS) Total Score From Randomization to End of Treatment. | -11.6 units on a scale | Standard Error 0.65 |
| 1 mg BID TC-5214 | Change in the Montgomery-Asberg Depression Rating Scale (MADRS) Total Score From Randomization to End of Treatment. | -12.2 units on a scale | Standard Error 0.66 |
| 4 mg BID TC-5214 | Change in the Montgomery-Asberg Depression Rating Scale (MADRS) Total Score From Randomization to End of Treatment. | -12.2 units on a scale | Standard Error 0.69 |
| Placebo | Change in the Montgomery-Asberg Depression Rating Scale (MADRS) Total Score From Randomization to End of Treatment. | -12.7 units on a scale | Standard Error 0.65 |
Change From Randomization (Week 8) to End of Treatment (Week 16) in Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form (Q LES-Q-SF) Item 15
The Q-LES-Q-SF (Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form) measures the patient's satisfaction with medication and overall quality of life. The 15th item queries respondents' satisfaction with the medication they are taking. Higher scores are indicative of greater enjoyment or satisfaction in each domain.
Time frame: Randomization (Week 8) to end of treatment (Week 16)
Population: Modified intent-to-treat analysis set including all randomized patients who received at least 1 dose of investigational product (TC-5214 or placebo) and who had a randomization and at least 1 post-randomization MADRS total score.
| Arm | Measure | Value (LEAST_SQUARES_MEAN) | Dispersion |
|---|---|---|---|
| 0.1 mg BID TC-5214 | Change From Randomization (Week 8) to End of Treatment (Week 16) in Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form (Q LES-Q-SF) Item 15 | 0.6 units on a scale | Standard Error 0.08 |
| 1 mg BID TC-5214 | Change From Randomization (Week 8) to End of Treatment (Week 16) in Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form (Q LES-Q-SF) Item 15 | 0.7 units on a scale | Standard Error 0.08 |
| 4 mg BID TC-5214 | Change From Randomization (Week 8) to End of Treatment (Week 16) in Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form (Q LES-Q-SF) Item 15 | 0.5 units on a scale | Standard Error 0.08 |
| Placebo | Change From Randomization (Week 8) to End of Treatment (Week 16) in Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form (Q LES-Q-SF) Item 15 | 0.7 units on a scale | Standard Error 0.08 |
Change From Randomization (Week 8) to End of Treatment (Week 16) in Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form (Q LES-Q-SF) Item 16
The Q-LES-Q-SF (Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form) measures the patient's satisfaction with medication and overall quality of life. The 16th item is a global rating of overall life satisfaction and contentment. Higher scores are indicative of greater enjoyment or satisfaction in each domain.
Time frame: Randomization (Week 8) to end of treatment (Week 16)
Population: Modified intent-to-treat analysis set including all randomized patients who received at least 1 dose of investigational product (TC-5214 or placebo) and who had a randomization and at least 1 post-randomization MADRS total score.
| Arm | Measure | Value (LEAST_SQUARES_MEAN) | Dispersion |
|---|---|---|---|
| 0.1 mg BID TC-5214 | Change From Randomization (Week 8) to End of Treatment (Week 16) in Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form (Q LES-Q-SF) Item 16 | 0.7 units on a scale | Standard Error 0.08 |
| 1 mg BID TC-5214 | Change From Randomization (Week 8) to End of Treatment (Week 16) in Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form (Q LES-Q-SF) Item 16 | 0.7 units on a scale | Standard Error 0.08 |
| 4 mg BID TC-5214 | Change From Randomization (Week 8) to End of Treatment (Week 16) in Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form (Q LES-Q-SF) Item 16 | 0.6 units on a scale | Standard Error 0.08 |
| Placebo | Change From Randomization (Week 8) to End of Treatment (Week 16) in Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form (Q LES-Q-SF) Item 16 | 0.8 units on a scale | Standard Error 0.08 |
Change in Depressive Symptoms From Randomization (Week 8) to End of Treatment (Week 16) as Measured by Hamilton Rating Scale for Depression-17 Items (HAMD-17) Total Score
A 17-item, clinician-rated scale that assesses depressive symptoms. The HAMD-17 consists of 17 symptoms, each of which is rated from 0 to 2 or 0 to 4, where 0 is none/absent. The HAMD-17 total score is calculated as the sum of the 17 individual symptom scores; the total score can range from 0 to 52. Higher HAMD-17 scores indicate more severe depression.
Time frame: Randomization (Week 8) to end of treatment (Week 16)
Population: Modified intent-to-treat analysis set including all randomized patients who received at least 1 dose of investigational product (TC-5214 or placebo) and who had a randomization and at least 1 post-randomization MADRS total score.
| Arm | Measure | Value (LEAST_SQUARES_MEAN) | Dispersion |
|---|---|---|---|
| 0.1 mg BID TC-5214 | Change in Depressive Symptoms From Randomization (Week 8) to End of Treatment (Week 16) as Measured by Hamilton Rating Scale for Depression-17 Items (HAMD-17) Total Score | -10.07 units on a scale | Standard Error 0.597 |
| 1 mg BID TC-5214 | Change in Depressive Symptoms From Randomization (Week 8) to End of Treatment (Week 16) as Measured by Hamilton Rating Scale for Depression-17 Items (HAMD-17) Total Score | -10.21 units on a scale | Standard Error 0.603 |
| 4 mg BID TC-5214 | Change in Depressive Symptoms From Randomization (Week 8) to End of Treatment (Week 16) as Measured by Hamilton Rating Scale for Depression-17 Items (HAMD-17) Total Score | -9.07 units on a scale | Standard Error 0.597 |
| Placebo | Change in Depressive Symptoms From Randomization (Week 8) to End of Treatment (Week 16) as Measured by Hamilton Rating Scale for Depression-17 Items (HAMD-17) Total Score | -11.16 units on a scale | Standard Error 0.592 |
Change in EuroQol - 5 Dimensions (EQ-5D) From Randomization (Week 8) to End of Treatment (Week 16)
A self-assessment questionnaire that provides 2 measures of health status. The EQ-5D index score is a weighted linear combination over 5 dimensions of health status. The score for each of the 5 dimensions can range from 1 to 3, and an equation is used to calculate the EQ-5D index score. The EQ-5D index score can range from possible negative values to a maximum of 1.0. The EQ-VAS is a visual analog scale with a range of 0 to 100. For both variables, a higher score indicates a better health state.
Time frame: Randomization (Week 8) to end of treatment (Week 16)
Population: Modified intent-to-treat analysis set including all randomized patients who received at least 1 dose of investigational product (TC-5214 or placebo) and who had a randomization and at least 1 post-randomization MADRS total score.
| Arm | Measure | Group | Value (LEAST_SQUARES_MEAN) | Dispersion |
|---|---|---|---|---|
| 0.1 mg BID TC-5214 | Change in EuroQol - 5 Dimensions (EQ-5D) From Randomization (Week 8) to End of Treatment (Week 16) | EQ-5D index score | 0.128 units on a scale | Standard Error 0.0147 |
| 0.1 mg BID TC-5214 | Change in EuroQol - 5 Dimensions (EQ-5D) From Randomization (Week 8) to End of Treatment (Week 16) | EQ-5D VAS score | 16.4 units on a scale | Standard Error 1.52 |
| 1 mg BID TC-5214 | Change in EuroQol - 5 Dimensions (EQ-5D) From Randomization (Week 8) to End of Treatment (Week 16) | EQ-5D index score | 0.139 units on a scale | Standard Error 0.0149 |
| 1 mg BID TC-5214 | Change in EuroQol - 5 Dimensions (EQ-5D) From Randomization (Week 8) to End of Treatment (Week 16) | EQ-5D VAS score | 17.0 units on a scale | Standard Error 1.54 |
| 4 mg BID TC-5214 | Change in EuroQol - 5 Dimensions (EQ-5D) From Randomization (Week 8) to End of Treatment (Week 16) | EQ-5D VAS score | 15.9 units on a scale | Standard Error 1.61 |
| 4 mg BID TC-5214 | Change in EuroQol - 5 Dimensions (EQ-5D) From Randomization (Week 8) to End of Treatment (Week 16) | EQ-5D index score | 0.133 units on a scale | Standard Error 0.0155 |
| Placebo | Change in EuroQol - 5 Dimensions (EQ-5D) From Randomization (Week 8) to End of Treatment (Week 16) | EQ-5D index score | 0.139 units on a scale | Standard Error 0.0146 |
| Placebo | Change in EuroQol - 5 Dimensions (EQ-5D) From Randomization (Week 8) to End of Treatment (Week 16) | EQ-5D VAS score | 18.7 units on a scale | Standard Error 1.51 |
Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by SDS Family Life/Home Responsibilities Domain Score
A 5-item, self-administered scale that measures the extent a patient is impaired by their disease. Higher scores indicate more severe impairment. The 3 inter-correlated domains are school/work, social life, and family life/home responsibilities. The numerical rating for the SDS family life/home responsibilities domain score is 0- 10, where 10 is considered to be 'highly impaired'.
Time frame: Randomization (Week 8) to end of treatment (Week 16)
Population: Modified intent-to-treat analysis set including all randomized patients who received at least 1 dose of investigational product (TC-5214 or placebo) and who had a randomization and at least 1 post-randomization MADRS total score.
| Arm | Measure | Value (LEAST_SQUARES_MEAN) | Dispersion |
|---|---|---|---|
| 0.1 mg BID TC-5214 | Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by SDS Family Life/Home Responsibilities Domain Score | -2.0 units on a scale | Standard Error 0.2 |
| 1 mg BID TC-5214 | Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by SDS Family Life/Home Responsibilities Domain Score | -2.1 units on a scale | Standard Error 0.2 |
| 4 mg BID TC-5214 | Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by SDS Family Life/Home Responsibilities Domain Score | -2.0 units on a scale | Standard Error 0.21 |
| Placebo | Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by SDS Family Life/Home Responsibilities Domain Score | -2.3 units on a scale | Standard Error 0.2 |
Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by SDS Social Life Domain Score
A 5-item, self-administered scale that measures the extent a patient is impaired by their disease. Higher scores indicate more severe impairment. The 3 inter-correlated domains are school/work, social life, and family life/home responsibilities. The numerical rating for the SDS social life domain score is 0- 10, where 10 is considered to be 'highly impaired'.
Time frame: Randomization (Week 8) to end of treatment (Week 16)
Population: Modified intent-to-treat analysis set including all randomized patients who received at least 1 dose of investigational product (TC-5214 or placebo) and who had a randomization and at least 1 post-randomization MADRS total score.
| Arm | Measure | Value (LEAST_SQUARES_MEAN) | Dispersion |
|---|---|---|---|
| 0.1 mg BID TC-5214 | Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by SDS Social Life Domain Score | -2.1 units on a scale | Standard Error 0.2 |
| 1 mg BID TC-5214 | Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by SDS Social Life Domain Score | -2.2 units on a scale | Standard Error 0.2 |
| 4 mg BID TC-5214 | Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by SDS Social Life Domain Score | -2.2 units on a scale | Standard Error 0.21 |
| Placebo | Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by SDS Social Life Domain Score | -2.4 units on a scale | Standard Error 0.2 |
Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by SDS Work/School Domain Score
A 5-item, self-administered scale that measures the extent a patient is impaired by their disease. Higher scores indicate more severe impairment. The 3 inter-correlated domains are school/work, social life, and family life/home responsibilities. The numerical rating for the work/school domain score is 0- 10, where 10 is considered to be 'highly impaired'.
Time frame: Randomization (Week 8) to end of treatment (Week 16)
Population: Modified intent-to-treat analysis set including all randomized patients who received at least 1 dose of investigational product (TC-5214 or placebo) and who had a randomization and at least 1 post-randomization MADRS total score.
| Arm | Measure | Value (LEAST_SQUARES_MEAN) | Dispersion |
|---|---|---|---|
| 0.1 mg BID TC-5214 | Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by SDS Work/School Domain Score | -2.0 units on a scale | Standard Error 0.21 |
| 1 mg BID TC-5214 | Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by SDS Work/School Domain Score | -1.8 units on a scale | Standard Error 0.22 |
| 4 mg BID TC-5214 | Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by SDS Work/School Domain Score | -1.9 units on a scale | Standard Error 0.24 |
| Placebo | Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by SDS Work/School Domain Score | -2.1 units on a scale | Standard Error 0.22 |
Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by the Sheehan Disability Scale (SDS) Total Score
Sheehan Disability Scale (SDS) is 5-item, self-administered scale that measures the extent a patient is impaired by their disease. Higher scores indicate more severe impairment. The SDS total score is calculated as the sum of the score for the 3 inter-correlated domains (school/work, social life, and family life/home responsibilities) and ranges from 0 (unimpaired) to 30 (highly impaired).
Time frame: Randomization (Week 8) to end of treatment (Week 16)
Population: Modified intent-to-treat analysis set including all randomized patients who received at least 1 dose of investigational product (TC-5214 or placebo) and who had a randomization and at least 1 post-randomization MADRS total score.
| Arm | Measure | Value (LEAST_SQUARES_MEAN) | Dispersion |
|---|---|---|---|
| 0.1 mg BID TC-5214 | Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by the Sheehan Disability Scale (SDS) Total Score | -6.08 units on a scale | Standard Error 0.561 |
| 1 mg BID TC-5214 | Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by the Sheehan Disability Scale (SDS) Total Score | -6.34 units on a scale | Standard Error 0.569 |
| 4 mg BID TC-5214 | Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by the Sheehan Disability Scale (SDS) Total Score | -6.21 units on a scale | Standard Error 0.592 |
| Placebo | Change in Functional Impairment From Randomization (Week 8) to End of Treatment (Week 16) as Measured by the Sheehan Disability Scale (SDS) Total Score | -7.06 units on a scale | Standard Error 0.556 |
Change in Hamilton Anxiety Scale (HAM-A) Total Score From Randomization (Week 8) to End of Treatment (Week 16)
A 14-item clinician-administered scale for the evaluation of anxiety symptoms. Each HAM-A item is rated on a 0 to 4 scale. Higher HAM-A scores indicate higher levels of anxiety.
Time frame: Randomization (Week 8) to end of treatment (Week 16)
| Arm | Measure | Value (LEAST_SQUARES_MEAN) | Dispersion |
|---|---|---|---|
| 0.1 mg BID TC-5214 | Change in Hamilton Anxiety Scale (HAM-A) Total Score From Randomization (Week 8) to End of Treatment (Week 16) | -8.5 units on a scale | Standard Error 0.58 |
| 1 mg BID TC-5214 | Change in Hamilton Anxiety Scale (HAM-A) Total Score From Randomization (Week 8) to End of Treatment (Week 16) | -8.6 units on a scale | Standard Error 0.59 |
| 4 mg BID TC-5214 | Change in Hamilton Anxiety Scale (HAM-A) Total Score From Randomization (Week 8) to End of Treatment (Week 16) | -8.1 units on a scale | Standard Error 0.58 |
| Placebo | Change in Hamilton Anxiety Scale (HAM-A) Total Score From Randomization (Week 8) to End of Treatment (Week 16) | -9.3 units on a scale | Standard Error 0.58 |
Change in MADRS Total Score From Randomization (Week 8) to Week 10
A 10-item scale for the evaluation of depressive symptoms. Each MADRS item is rated on a 0 to 6 scale. The MADRS total score is calculated as the sum of the 10 individual item scores; the total score can range from 0 to 60. Higher MADRS scores indicate higher levels of depressive symptoms.
Time frame: Randomization (Week 8) to Week 10
Population: Modified intent-to-treat analysis set including all randomized patients who received at least 1 dose of investigational product (TC-5214 or placebo) and who had a randomization and at least 1 post-randomization MADRS total score.
| Arm | Measure | Value (LEAST_SQUARES_MEAN) | Dispersion |
|---|---|---|---|
| 0.1 mg BID TC-5214 | Change in MADRS Total Score From Randomization (Week 8) to Week 10 | -4.8 units on a scale | Standard Error 0.5 |
| 1 mg BID TC-5214 | Change in MADRS Total Score From Randomization (Week 8) to Week 10 | -5.9 units on a scale | Standard Error 0.5 |
| 4 mg BID TC-5214 | Change in MADRS Total Score From Randomization (Week 8) to Week 10 | -5.0 units on a scale | Standard Error 0.51 |
| Placebo | Change in MADRS Total Score From Randomization (Week 8) to Week 10 | -6.0 units on a scale | Standard Error 0.5 |
Change in MADRS Total Score From Randomization (Week 8) to Week 12
A 10-item scale for the evaluation of depressive symptoms. Each MADRS item is rated on a 0 to 6 scale. The MADRS total score is calculated as the sum of the 10 individual item scores; the total score can range from 0 to 60. Higher MADRS scores indicate higher levels of depressive symptoms.
Time frame: Randomization (Week 8) to Week 12
Population: Modified intent-to-treat analysis set including all randomized patients who received at least 1 dose of investigational product (TC-5214 or placebo) and who had a randomization and at least 1 post-randomization MADRS total score.
| Arm | Measure | Value (LEAST_SQUARES_MEAN) | Dispersion |
|---|---|---|---|
| 0.1 mg BID TC-5214 | Change in MADRS Total Score From Randomization (Week 8) to Week 12 | -8.1 units on a scale | Standard Error 0.55 |
| 1 mg BID TC-5214 | Change in MADRS Total Score From Randomization (Week 8) to Week 12 | -8.5 units on a scale | Standard Error 0.56 |
| 4 mg BID TC-5214 | Change in MADRS Total Score From Randomization (Week 8) to Week 12 | -7.8 units on a scale | Standard Error 0.57 |
| Placebo | Change in MADRS Total Score From Randomization (Week 8) to Week 12 | -8.7 units on a scale | Standard Error 0.55 |
Change in MADRS Total Score From Randomization (Week 8) to Week 14
A 10-item scale for the evaluation of depressive symptoms. Each MADRS item is rated on a 0 to 6 scale. The MADRS total score is calculated as the sum of the 10 individual item scores; the total score can range from 0 to 60. Higher MADRS scores indicate higher levels of depressive symptoms.
Time frame: Randomization (Week 8) to Week 14
Population: Modified intent-to-treat analysis set including all randomized patients who received at least 1 dose of investigational product (TC-5214 or placebo) and who had a randomization and at least 1 post-randomization MADRS total score.
| Arm | Measure | Value (LEAST_SQUARES_MEAN) | Dispersion |
|---|---|---|---|
| 0.1 mg BID TC-5214 | Change in MADRS Total Score From Randomization (Week 8) to Week 14 | -9.5 units on a scale | Standard Error 0.59 |
| 1 mg BID TC-5214 | Change in MADRS Total Score From Randomization (Week 8) to Week 14 | -10.6 units on a scale | Standard Error 0.6 |
| 4 mg BID TC-5214 | Change in MADRS Total Score From Randomization (Week 8) to Week 14 | -9.6 units on a scale | Standard Error 0.62 |
| Placebo | Change in MADRS Total Score From Randomization (Week 8) to Week 14 | -11.0 units on a scale | Standard Error 0.59 |
Change in MADRS Total Score From Randomization (Week 8) to Week 9
A 10-item scale for the evaluation of depressive symptoms. Each MADRS item is rated on a 0 to 6 scale. The MADRS total score is calculated as the sum of the 10 individual item scores; the total score can range from 0 to 60. Higher MADRS scores indicate higher levels of depressive symptoms.
Time frame: Randomization (Week 8) to Week 9
Population: Modified intent-to-treat analysis set including all randomized patients who received at least 1 dose of investigational product (TC-5214 or placebo) and who had a randomization and at least 1 post-randomization MADRS total score.
| Arm | Measure | Value (LEAST_SQUARES_MEAN) | Dispersion |
|---|---|---|---|
| 0.1 mg BID TC-5214 | Change in MADRS Total Score From Randomization (Week 8) to Week 9 | -3.0 units on a scale | Standard Error 0.42 |
| 1 mg BID TC-5214 | Change in MADRS Total Score From Randomization (Week 8) to Week 9 | -3.0 units on a scale | Standard Error 0.43 |
| 4 mg BID TC-5214 | Change in MADRS Total Score From Randomization (Week 8) to Week 9 | -2.6 units on a scale | Standard Error 0.42 |
| Placebo | Change in MADRS Total Score From Randomization (Week 8) to Week 9 | -3.2 units on a scale | Standard Error 0.42 |
Change in Overall Quality of Life and Satisfaction From Randomization (Week 8) to End of Treatment (Week 16) by Assessing the Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form (Q-LES-Q-SF) % Maximum Total Score
The Q-LES-Q-SF (Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form) total score is derived by summing item scores 1 to 14. Higher scores are indicative of greater enjoyment or satisfaction in each domain. The Q-LES-Q-SF % maximum total score is calculated as 100% × (Q-LES-Q-SF total score - 14) / 56, and can range from 0% to 100%.
Time frame: Randomization (Week 8) to end of treatment (Week 16)
Population: Modified intent-to-treat analysis set including all randomized patients who received at least 1 dose of investigational product (TC-5214 or placebo) and who had a randomization and at least 1 post-randomization MADRS total score.
| Arm | Measure | Value (LEAST_SQUARES_MEAN) | Dispersion |
|---|---|---|---|
| 0.1 mg BID TC-5214 | Change in Overall Quality of Life and Satisfaction From Randomization (Week 8) to End of Treatment (Week 16) by Assessing the Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form (Q-LES-Q-SF) % Maximum Total Score | 13.08 units on a scale | Standard Error 1.388 |
| 1 mg BID TC-5214 | Change in Overall Quality of Life and Satisfaction From Randomization (Week 8) to End of Treatment (Week 16) by Assessing the Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form (Q-LES-Q-SF) % Maximum Total Score | 13.24 units on a scale | Standard Error 1.402 |
| 4 mg BID TC-5214 | Change in Overall Quality of Life and Satisfaction From Randomization (Week 8) to End of Treatment (Week 16) by Assessing the Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form (Q-LES-Q-SF) % Maximum Total Score | 11.84 units on a scale | Standard Error 1.409 |
| Placebo | Change in Overall Quality of Life and Satisfaction From Randomization (Week 8) to End of Treatment (Week 16) by Assessing the Quality of Life Enjoyment and Satisfaction Questionnaire-Short Form (Q-LES-Q-SF) % Maximum Total Score | 14.55 units on a scale | Standard Error 1.391 |
Change in the Clinician-rated Global Outcome of Severity as Measured by the Clinical Global Impression-Severity (CGI-S) Score From Randomization (Week 8) to End of Treatment (Week 16)
A 3-part, clinician-administered scale that rates the improvement or worsening of the patient's illness from randomization (baseline). Each item is scored on a 1 to 7 scale. Higher CGI-S scores indicate greater illness severity.
Time frame: Randomization (Week 8) to end of treatment (Week 16)
Population: Modified intent-to-treat analysis set including all randomized patients who received at least 1 dose of investigational product (TC-5214 or placebo) and who had a randomization and at least 1 post-randomization MADRS total score.
| Arm | Measure | Value (LEAST_SQUARES_MEAN) | Dispersion |
|---|---|---|---|
| 0.1 mg BID TC-5214 | Change in the Clinician-rated Global Outcome of Severity as Measured by the Clinical Global Impression-Severity (CGI-S) Score From Randomization (Week 8) to End of Treatment (Week 16) | -1.5 units on a scale | Standard Error 0.09 |
| 1 mg BID TC-5214 | Change in the Clinician-rated Global Outcome of Severity as Measured by the Clinical Global Impression-Severity (CGI-S) Score From Randomization (Week 8) to End of Treatment (Week 16) | -1.6 units on a scale | Standard Error 0.09 |
| 4 mg BID TC-5214 | Change in the Clinician-rated Global Outcome of Severity as Measured by the Clinical Global Impression-Severity (CGI-S) Score From Randomization (Week 8) to End of Treatment (Week 16) | -1.7 units on a scale | Standard Error 0.1 |
| Placebo | Change in the Clinician-rated Global Outcome of Severity as Measured by the Clinical Global Impression-Severity (CGI-S) Score From Randomization (Week 8) to End of Treatment (Week 16) | -1.7 units on a scale | Standard Error 0.09 |
Early and Sustained Response, Defined as a ≥50% Reduction From Randomization (Week 8) in MADRS Total Score and a MADRS Total Score of ≤12 at Week 10, Week 12, Week 14, and End of Treatment (Week 16)
The percentage of patients with a ≥50% reduction from randomization (Week 8) in MADRS total score and a MADRS total score of ≤12 at Week 10, Week 12, Week 14, and end of treatment (Week 16) was calculated. MADRS is 10-item scale for the evaluation of depressive symptoms. Each MADRS item is rated on a 0 to 6 scale. The MADRS total score is calculated as the sum of the 10 individual item scores; the total score can range from 0 to 60. Higher MADRS scores indicate higher levels of depressive symptoms.
Time frame: Randomization (Week 8) to end of treatment (Week 16); Week 10, Week 12, Week 14, and Week 16
Population: Modified intent-to-treat analysis set including all randomized patients who received at least 1 dose of investigational product (TC-5214 or placebo) and who had a randomization and at least 1 post-randomization MADRS total score.
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| 0.1 mg BID TC-5214 | Early and Sustained Response, Defined as a ≥50% Reduction From Randomization (Week 8) in MADRS Total Score and a MADRS Total Score of ≤12 at Week 10, Week 12, Week 14, and End of Treatment (Week 16) | 7.5 percentage of participants analyzed |
| 1 mg BID TC-5214 | Early and Sustained Response, Defined as a ≥50% Reduction From Randomization (Week 8) in MADRS Total Score and a MADRS Total Score of ≤12 at Week 10, Week 12, Week 14, and End of Treatment (Week 16) | 8.1 percentage of participants analyzed |
| 4 mg BID TC-5214 | Early and Sustained Response, Defined as a ≥50% Reduction From Randomization (Week 8) in MADRS Total Score and a MADRS Total Score of ≤12 at Week 10, Week 12, Week 14, and End of Treatment (Week 16) | 9.6 percentage of participants analyzed |
| Placebo | Early and Sustained Response, Defined as a ≥50% Reduction From Randomization (Week 8) in MADRS Total Score and a MADRS Total Score of ≤12 at Week 10, Week 12, Week 14, and End of Treatment (Week 16) | 9.2 percentage of participants analyzed |
Remission in Depressive Symptoms of MDD, Defined as MADRS Total Score of ≤8 at End of Treatment (Week 16)
The percentage of patients with a MADRS total score of ≤8 at end of treatment (Week 16) was calculated. MADRS is 10-item scale for the evaluation of depressive symptoms. Each MADRS item is rated on a 0 to 6 scale. The MADRS total score is calculated as the sum of the 10 individual item scores; the total score can range from 0 to 60. Higher MADRS scores indicate higher levels of depressive symptoms.
Time frame: Week 16
Population: Modified intent-to-treat analysis set including all randomized patients who received at least 1 dose of investigational product (TC-5214 or placebo) and who had a randomization and at least 1 post-randomization MADRS total score.
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| 0.1 mg BID TC-5214 | Remission in Depressive Symptoms of MDD, Defined as MADRS Total Score of ≤8 at End of Treatment (Week 16) | 37.0 percentage of participants analyzed |
| 1 mg BID TC-5214 | Remission in Depressive Symptoms of MDD, Defined as MADRS Total Score of ≤8 at End of Treatment (Week 16) | 35.1 percentage of participants analyzed |
| 4 mg BID TC-5214 | Remission in Depressive Symptoms of MDD, Defined as MADRS Total Score of ≤8 at End of Treatment (Week 16) | 30.0 percentage of participants analyzed |
| Placebo | Remission in Depressive Symptoms of MDD, Defined as MADRS Total Score of ≤8 at End of Treatment (Week 16) | 39.1 percentage of participants analyzed |
Response in Depressive Symptoms of Major Depressive Disorder (MDD), Defined as a ≥50% Reduction From Randomization (Week 8) in MADRS Total Score at End of Treatment (Week 16)
The percentage of patients with a ≥50% reduction from randomization (Week 8) in MADRS total score at end of treatment (Week 16) was calculated. MADRS is 10-item scale for the evaluation of depressive symptoms. Each MADRS item is rated on a 0 to 6 scale. The MADRS total score is calculated as the sum of the 10 individual item scores; the total score can range from 0 to 60. Higher MADRS scores indicate higher levels of depressive symptoms.
Time frame: Randomization (Week 8) to end of treatment (Week 16)
Population: Modified intent-to-treat analysis set including all randomized patients who received at least 1 dose of investigational product (TC-5214 or placebo) and who had a randomization and at least 1 post-randomization MADRS total score.
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| 0.1 mg BID TC-5214 | Response in Depressive Symptoms of Major Depressive Disorder (MDD), Defined as a ≥50% Reduction From Randomization (Week 8) in MADRS Total Score at End of Treatment (Week 16) | 48.6 percentage of participants analyzed |
| 1 mg BID TC-5214 | Response in Depressive Symptoms of Major Depressive Disorder (MDD), Defined as a ≥50% Reduction From Randomization (Week 8) in MADRS Total Score at End of Treatment (Week 16) | 51.1 percentage of participants analyzed |
| 4 mg BID TC-5214 | Response in Depressive Symptoms of Major Depressive Disorder (MDD), Defined as a ≥50% Reduction From Randomization (Week 8) in MADRS Total Score at End of Treatment (Week 16) | 41.2 percentage of participants analyzed |
| Placebo | Response in Depressive Symptoms of Major Depressive Disorder (MDD), Defined as a ≥50% Reduction From Randomization (Week 8) in MADRS Total Score at End of Treatment (Week 16) | 54.0 percentage of participants analyzed |
Response in the Clinical Global Impression-Improvement (CGI-I) Defined as CGI-I Rating of Very Much Improved or Much Improved From Randomization (Week 8) to End of Treatment (Week 16)
A 3-part, clinician-administered scale that rates the improvement or worsening of the patient's illness from randomization (baseline). Each item is scored on a 1 to 7 scale. CGI-I scores \>4 indicate worsening, while scores \<4 indicate improvement.
Time frame: Randomization (Week 8) to end of treatment (Week 16)
Population: Modified intent-to-treat analysis set including all randomized patients who received at least 1 dose of investigational product (TC-5214 or placebo) and who had a randomization and at least 1 post-randomization MADRS total score.
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| 0.1 mg BID TC-5214 | Response in the Clinical Global Impression-Improvement (CGI-I) Defined as CGI-I Rating of Very Much Improved or Much Improved From Randomization (Week 8) to End of Treatment (Week 16) | 59.5 percentage of participants analyzed |
| 1 mg BID TC-5214 | Response in the Clinical Global Impression-Improvement (CGI-I) Defined as CGI-I Rating of Very Much Improved or Much Improved From Randomization (Week 8) to End of Treatment (Week 16) | 62.1 percentage of participants analyzed |
| 4 mg BID TC-5214 | Response in the Clinical Global Impression-Improvement (CGI-I) Defined as CGI-I Rating of Very Much Improved or Much Improved From Randomization (Week 8) to End of Treatment (Week 16) | 58.8 percentage of participants analyzed |
| Placebo | Response in the Clinical Global Impression-Improvement (CGI-I) Defined as CGI-I Rating of Very Much Improved or Much Improved From Randomization (Week 8) to End of Treatment (Week 16) | 67.8 percentage of participants analyzed |
Sustained Remission, Defined as a MADRS Total Score of ≤8 at Week 12, Week 14, and End of Treatment (Week 16)
The percentage of patients with a MADRS total score of ≤8 at Week 12, Week 14, and end of treatment (Week 16)was calculated. MADRS is 10-item scale for the evaluation of depressive symptoms. Each MADRS item is rated on a 0 to 6 scale. The MADRS total score is calculated as the sum of the 10 individual item scores; the total score can range from 0 to 60. Higher MADRS scores indicate higher levels of depressive symptoms.
Time frame: Week 12, Week 14, Week 16
Population: Modified intent-to-treat analysis set including all randomized patients who received at least 1 dose of investigational product (TC-5214 or placebo) and who had a randomization and at least 1 post-randomization MADRS total score.
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| 0.1 mg BID TC-5214 | Sustained Remission, Defined as a MADRS Total Score of ≤8 at Week 12, Week 14, and End of Treatment (Week 16) | 10.6 percentage of participants analyzed |
| 1 mg BID TC-5214 | Sustained Remission, Defined as a MADRS Total Score of ≤8 at Week 12, Week 14, and End of Treatment (Week 16) | 10.5 percentage of participants analyzed |
| 4 mg BID TC-5214 | Sustained Remission, Defined as a MADRS Total Score of ≤8 at Week 12, Week 14, and End of Treatment (Week 16) | 8.0 percentage of participants analyzed |
| Placebo | Sustained Remission, Defined as a MADRS Total Score of ≤8 at Week 12, Week 14, and End of Treatment (Week 16) | 12.1 percentage of participants analyzed |
Sustained Response, Defined as a ≥50% Reduction From Randomization (Week 8) in MADRS Total Score and a MADRS Total Score of ≤12 at Week 12, Week 14, and End of Treatment (Week 16)
The percentage of patients with a ≥50% reduction from randomization (Week 8) in MADRS total score and a MADRS total score of ≤12 at Week 12, Week 14, and end of treatment (Week 16) was calculated. MADRS is 10-item scale for the evaluation of depressive symptoms. Each MADRS item is rated on a 0 to 6 scale. The MADRS total score is calculated as the sum of the 10 individual item scores; the total score can range from 0 to 60. Higher MADRS scores indicate higher levels of depressive symptoms.
Time frame: Randomization (Week 8) to end of treatment (Week 16); Week 12, Week 14, and Week 16
Population: Modified intent-to-treat analysis set including all randomized patients who received at least 1 dose of investigational product (TC-5214 or placebo) and who had a randomization and at least 1 post-randomization MADRS total score.
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| 0.1 mg BID TC-5214 | Sustained Response, Defined as a ≥50% Reduction From Randomization (Week 8) in MADRS Total Score and a MADRS Total Score of ≤12 at Week 12, Week 14, and End of Treatment (Week 16) | 14.7 percentage of patients analyzed |
| 1 mg BID TC-5214 | Sustained Response, Defined as a ≥50% Reduction From Randomization (Week 8) in MADRS Total Score and a MADRS Total Score of ≤12 at Week 12, Week 14, and End of Treatment (Week 16) | 19.3 percentage of patients analyzed |
| 4 mg BID TC-5214 | Sustained Response, Defined as a ≥50% Reduction From Randomization (Week 8) in MADRS Total Score and a MADRS Total Score of ≤12 at Week 12, Week 14, and End of Treatment (Week 16) | 15.3 percentage of patients analyzed |
| Placebo | Sustained Response, Defined as a ≥50% Reduction From Randomization (Week 8) in MADRS Total Score and a MADRS Total Score of ≤12 at Week 12, Week 14, and End of Treatment (Week 16) | 23.7 percentage of patients analyzed |