| Primary | Number of Participants With the Indicated Change From Baseline in CAPS-SX (Clinician-Administered Post Traumatic Stress Disorder (PTSD) Scale One Week Symptom Status Version) Total Score at Week 12 | The Clinical-Administered PTSD Scale (CAPS) is a structured interview for assessing PTSD diagnostic status and symptom severity. The CAPS assesses both the frequency and intensity of individual PTSD symptoms on separate five-point (0-4) rating scales, and these ratings can be summed to create a nine-point (0-8) severity score for each symptom. The total CAPS score can range from 0 to 136, with a higher value indicating increased severity. A minus value for change from baseline indicates an improvement of symptom severity. | Full Analysis Set (FAS): All participants who received at least one dose of study medication for the treatment phase and had at least one post-baseline efficacy assessment. Participants who failed to satisfy major entry criteria measured prior to randomization (e.g., participant with disease other than PTSD) were excluded. | Posted | | Number | | participants | | Baseline and Week 12 | | | | ID | Title | Description |
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| OG000 | Placebo | | | OG001 | Paroxetine 20-50 mg/Day | Paroxetine 20 milligrams (mg)/day once daily (OD) for 2 weeks; titration up to 50 mg/day OD if necessary to achieve sufficient response. The last dose level in the treatment phase was reduced stepwise by one step every week to the final dose level of paroxetine 20 mg/day as part of a taper phase. |
| | | Title | Denominators | Categories |
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| Change from baseline in CAPS-SX=+4 | | | | Change from baseline in CAPS-SX=-27 | | |
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| Secondary | Number of Participants With the Indicated Week 0 and Week 12 Z-scores for Regional Blood Flow Using Functional Magnetic Resonance Imaging (fMRI) in the Left Amygdala (LA), Right Amygdala (RA), and the Medial Prefrontal Cortex (MPFC) | Change in regional blood flow (rCBF) measured by fMRI represents altered neuronal responses in PTSD patients and is considered to be the biomarker for treatment response. fMRI measures are provided as blood oxygeneration level-dependent (BOLD) signals (z-score). To trigger neuronal activation, 2 visual stimuli were used: MVA-task (consisting of MVA-related and unpleasant pictures) and face-task (consisting of a variety of facial expressions [e.g., neutral, happy, fear]). Week 0 and 12 rCBF data from 1 participant were invalid (involuntary movement in the fMRI machine); no analysis was done. | Full Analysis Set (FAS): All participants who received at least one dose of study medication for the treatment phase and had at least one post-baseline efficacy assessment. Participants who failed to satisfy major entry criteria measured prior to randomization (e.g., participant with disease other than PTSD) were excluded. | Posted | | Number | | participants | | Baseline and Week 12 | | | | ID | Title | Description |
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| OG000 | Placebo | | | OG001 | Paroxetine 20-50 mg/Day | Paroxetine 20 milligrams (mg)/day once daily (OD) for 2 weeks; titration up to 50 mg/day OD if necessary to achieve sufficient response. The last dose level in the treatment phase was reduced stepwise by one step every week to the final dose level of paroxetine 20 mg/day as part of a taper phase. |
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| Secondary | Number of Participants With the Indicated Change From Baseline in CAPS-SX (Clinician-Administered Post Traumatic Stress Disorder [PTSD] Scale One Week Symptom Status Version) Total Score at Weeks 4 and 8 | The Clinical-Administered PTSD Scale (CAPS) is a structured interview for assessing PTSD diagnostic status and symptom severity. The CAPS assesses both the frequency and intensity of individual PTSD symptoms on separate five-point (0-4) rating scales, and these ratings can be summed to create a nine-point (0-8) severity score for each symptom. The total CAPS score can range from 0 to 136, with a higher value indicating increased severity. A minus value for change from baseline indicates an improvement of symptom severity. | Full Analysis Set (FAS): All participants who received at least one dose of study medication for the treatment phase and had at least one post-baseline efficacy assessment. Participants who failed to satisfy major entry criteria measured prior to randomization (e.g., participant with disease other than PTSD) were excluded. | Posted | | Number | | participants | | Baseline and Weeks 4 and 8 | | | | ID | Title | Description |
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| OG000 | Placebo | | | OG001 | Paroxetine 20-50 mg/Day | Paroxetine 20 milligrams (mg)/day once daily (OD) for 2 weeks; titration up to 50 mg/day OD if necessary to achieve sufficient response. The last dose level in the treatment phase was reduced stepwise by one step every week to the final dose level of paroxetine 20 mg/day as part of a taper phase. |
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| Secondary | Number of Participants With the Indicated Change From Baseline in CAPS-SX (Clinician-Administered Post Traumatic Stress Disorder [PTSD] Scale One Week Symptom Status Version) Relating Re-experiencing at Weeks 4, 8, and 12 | The Clinical-Administered PTSD Scale (CAPS) is a structured interview for assessing PTSD diagnostic status and symptom severity. The CAPS assesses both the frequency and intensity of individual PTSD symptoms on separate five-point (0-4) rating scales, and these ratings can be summed to create a nine-point (0-8) severity score for each symptom. The total CAPS score can range from 0 to 136, with a higher value indicating increased severity. A minus value for change from baseline indicates an improvement of symptom severity. | Full Analysis Set (FAS): All participants who received at least one dose of study medication for the treatment phase and had at least one post-baseline efficacy assessment. Participants who failed to satisfy major entry criteria measured prior to randomization (e.g., participant with disease other than PTSD) were excluded. | Posted | | Number | | participants | | Baseline and Weeks 4, 8, and 12 | | | | ID | Title | Description |
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| OG000 | Placebo | | | OG001 | Paroxetine 20-50 mg/Day | Paroxetine 20 milligrams (mg)/day once daily (OD) for 2 weeks; titration up to 50 mg/day OD if necessary to achieve sufficient response. The last dose level in the treatment phase was reduced stepwise by one step every week to the final dose level of paroxetine 20 mg/day as part of a taper phase. |
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| Secondary | Number of Participants With the Indicated Change From Baseline in CAPS-SX (Clinician-Administered Post Traumatic Stress Disorder [PTSD] Scale One Week Symptom Status Version) Relating Avoidance and Numbing at Weeks 4, 8, and 12 | The Clinical-Administered PTSD Scale (CAPS) is a structured interview for assessing PTSD diagnostic status and symptom severity. The CAPS assesses both the frequency and intensity of individual PTSD symptoms on separate five-point (0-4) rating scales, and these ratings can be summed to create a nine-point (0-8) severity score for each symptom. The total CAPS score can range from 0 to 136, with a higher value indicating increased severity. A minus value for change from baseline indicates an improvement of symptom severity. | Full Analysis Set (FAS): All participants who received at least one dose of study medication for the treatment phase and had at least one post-baseline efficacy assessment. Participants who failed to satisfy major entry criteria measured prior to randomization (e.g., participant with disease other than PTSD) were excluded. | Posted | | Number | | participants | | Baseline and Weeks 4, 8, and 12 | | | | ID | Title | Description |
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| OG000 | Placebo | | | OG001 | Paroxetine 20-50 mg/Day | Paroxetine 20 milligrams (mg)/day once daily (OD) for 2 weeks; titration up to 50 mg/day OD if necessary to achieve sufficient response. The last dose level in the treatment phase was reduced stepwise by one step every week to the final dose level of paroxetine 20 mg/day as part of a taper phase. |
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| Secondary | Number of Participants With the Indicated Change From Baseline in CAPS-SX (Clinician-Administered Post Traumatic Stress Disorder [PTSD] Scale One Week Symptom Status Version) Relating Increased Arousal Symptom at Weeks 4, 8, and 12 | The Clinical-Administered PTSD Scale (CAPS) is a structured interview for assessing PTSD diagnostic status and symptom severity. The CAPS assesses both the frequency and intensity of individual PTSD symptoms on separate five-point (0-4) rating scales, and these ratings can be summed to create a nine-point (0-8) severity score for each symptom. The total CAPS score can range from 0 to 136, with a higher value indicating increased severity. A minus value for change from baseline indicates an improvement of symptom severity. | Full Analysis Set (FAS): All participants who received at least one dose of study medication for the treatment phase and had at least one post-baseline efficacy assessment. Participants who failed to satisfy major entry criteria measured prior to randomization (e.g., participant with disease other than PTSD) were excluded. | Posted | | Number | | participants | | Baseline and Weeks 4, 8, and 12 | | | | ID | Title | Description |
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| OG000 | Placebo | | | OG001 | Paroxetine 20-50 mg/Day | Paroxetine 20 milligrams (mg)/day once daily (OD) for 2 weeks; titration up to 50 mg/day OD if necessary to achieve sufficient response. The last dose level in the treatment phase was reduced stepwise by one step every week to the final dose level of paroxetine 20 mg/day as part of a taper phase. |
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| Secondary | Number of Participants With the Indicated Change From Baseline in CGI (Clinical Global Impression) Severity of Illness Scores at Weeks 2, 4, 6, 8, 10, and 12 | The participant's status was assessed using the following 8-point scale: 0, Not assessed; 1, Normal, not at all ill; 2, Borderline mentally ill; 3, Mildly ill; 4, Moderately ill; 5, Markedly ill; 6, Severely ill; 7, Among the most extremely ill patients. | Full Analysis Set (FAS): All participants who received at least one dose of study medication for the treatment phase and had at least one post-baseline efficacy assessment. Participants who failed to satisfy major entry criteria measured prior to randomization (e.g., participant with disease other than PTSD) were excluded. | Posted | | Number | | participants | | Baseline and Weeks 2, 4, 6, 8, 10, and 12 | | | | ID | Title | Description |
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| OG000 | Placebo | | | OG001 | Paroxetine 20-50 mg/Day | Paroxetine 20 milligrams (mg)/day once daily (OD) for 2 weeks; titration up to 50 mg/day OD if necessary to achieve sufficient response. The last dose level in the treatment phase was reduced stepwise by one step every week to the final dose level of paroxetine 20 mg/day as part of a taper phase. |
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| Secondary | Number of Participants With a Clinical Global Impression (CGI) Global Improvement of 4 at Week 12 | The participant's status was assessed using the following 8-point scale: 0, Not assessed; 1,Very much improved; 2, Much Improved; 3, Minimally improved; 4, No change; 5, Minimally worse; 6, Much worse; 7, Very much worse. | Full Analysis Set (FAS): All participants who received at least one dose of study medication for the treatment phase and had at least one post-baseline efficacy assessment. Participants who failed to satisfy major entry criteria measured prior to randomization (e.g., participant with disease other than PTSD) were excluded. | Posted | | Number | | participants | | Week 12 | | | | ID | Title | Description |
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| OG000 | Placebo | | | OG001 | Paroxetine 20-50 mg/Day | Paroxetine 20 milligrams (mg)/day once daily (OD) for 2 weeks; titration up to 50 mg/day OD if necessary to achieve sufficient response. The last dose level in the treatment phase was reduced stepwise by one step every week to the final dose level of paroxetine 20 mg/day as part of a taper phase. |
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