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| Name | Class |
|---|---|
| U.S. Army Medical Research and Development Command | FED |
| PPD Development, LP | INDUSTRY |
| Berry Consultants | OTHER |
| Idorsia Pharmaceuticals Ltd. |
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This is a Phase 2 randomized, double-blinded, placebo-controlled study that will evaluate multiple potential pharmacotherapeutic interventions for PTSD utilizing an adaptive platform trial design.
Intervention A - Fluoxetine will assess the safety and efficacy of fluoxetine in participants with PTSD.
Please see NCT05422612 for information on the S-21-02 Master Protocol.
The general structure of this Adaptive Platform Trial (APT) consists of a 30-day Screening Period, a 12-week Platform Treatment Period, and a 4-week Safety Follow-up. The S-21-02 Platform Trial will evaluate the safety and efficacy of multiple investigational products for the treatment of PTSD (see NCT05422612 for Master Protocol information). Participants are randomized among the multiple cohorts in the study and the resulting randomization enables sharing/pooling of control subjects, where all interventions may be compared to a common control (placebo). This record only includes information relevant to the fluoxetine cohort.
Once a participant meets all eligibility criteria for the Master Protocol, eligibility for each currently enrolling intervention cohort is assessed. Eligible participants will be randomized with equal probability into a cohort. Participants randomized to the fluoxetine cohort are then randomly assigned to receive either fluoxetine or placebo (in a ratio of 5:3; intervention:placebo), for the duration of the 12-week treatment period.
Parties interested in having their intervention considered for testing within the M-PACT should complete a request for information form using this webpage https://citeline.qualtrics.com/jfe/form/SV\_8eTQKw6TNug4z42..
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Intervention A: Fluoxetine HCl | Experimental |
| |
| Intervention A Placebo | Placebo Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Intervention A Fluoxetine Hydrochloride (HCl) | Drug | Fluoxetine will be administered at 10 to 60 mg daily. The initial dose for all participants will be 10 mg daily for 1 week, then increased to 20 mg daily for 2 weeks, then increased to 40 mg daily for 2 weeks, then increased to 60 mg daily for the remainder of the trial. One reduction in dose due to tolerability will be allowed. When a participant's dose is decreased due to tolerability, the dose will not be increased. |
| Measure | Description | Time Frame |
|---|---|---|
| Absolute change in the Clinician-Administered PTSD Scale-5-Revised (CAPS-5-R) Past Month total score at Week 12 (Final/Early termination Visit). | A change in PTSD symptom severity from baseline as measured by CAPS-5-R Past Month. The range of the scale is 0-200. The higher the score at baseline, the worse the PTSD severity. The larger the decrease in score from baseline, the better the outcome. | 12 Weeks |
| Incidence of new or worsening suicidal thoughts or behaviors as measured by change in Columbia Suicide Severity Rating Scale (C-SSRS) score from baseline. | The C-SSRS is an assessment of suicidal ideation and behavior in clinical and research settings. The C-SSRS consists of 16 questions that ask about suicidal ideation and behaviors (the first 10 questions comprise the ideation subscale and the last 6 comprise the behavior subscale). This 5-item subscale ranges from a minimum of 0 (corresponding to no suicidal ideation) to a maximum of 5 (representing active suicidal ideation with plan and intent). | 12 Weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Frequency of treatment-emergent adverse events (TEAEs). | The TEAEs recorded during the study will be summarized by system organ class, preferred term, and treatment group. Adverse events and medical history will be coded using the most current version of MedDRA. | 12 Weeks |
| Severity of treatment-emergent adverse events (TEAEs). |
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Inclusion Criteria:
No additional inclusion criteria beyond the inclusion criteria specified in the Master Protocol (NCT05422612).
Exclusion Criteria:
The following exclusion criteria are in addition to the exclusion criteria specified in the Master Protocol (NCT05422612).
1. Recent history of treatment for PTSD with fluoxetine at doses of 20 mg daily, for at least 4 weeks. A remote history of treatment with fluoxetine for non-PTSD symptoms will be discussed on a case-by-case basis with the contract research organization (CRO) Medical Monitor.
Participants who have undergone or plans to undergo gender reassignment surgery are not eligible.
Participants who are currently undergoing stable hormone replacement therapy are eligible for inclusion in the study.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Homestead Associates in Research, Inc. | Miami | Florida | 33032 | United States | ||
| Advanced Discovery Research |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 37088912 | Background | Viele K. Allocation in platform trials to maintain comparability across time and eligibility. Stat Med. 2023 Jul 20;42(16):2811-2818. doi: 10.1002/sim.9750. Epub 2023 Apr 23. |
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| INDUSTRY |
| Cambridge Cognition Ltd | INDUSTRY |
| Citeline | INDUSTRY |
Fluoxetine is one of multiple interventions that will be tested in this adaptive platform trial (NCT05422612).
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The overall 2-stage randomization scheme will be implemented by an unblinded statistician who is otherwise uninvolved in study operations. Participants will be assigned a study number at Screening (Subject ID). In the first stage of randomization, eligible participants who complete screening will be randomly assigned to an open platform cohort for which they are eligible (both site PIs and participants are aware of the cohort assignment) and, within that cohort, the second stage of randomization is to intervention vs placebo (double-blind) using Interactive Response Technology (IRT).
For this APT, participants assignment to a cohort will not be blinded. The tablets/capsules used in the cohorts may not be visually similar between cohorts and blinding to cohort assignment is not necessary to avoid bias. However, within each cohort, participants, site personnel, contract research personnel and the sponsor will be blind to treatment assignment (intervention vs. placebo).
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| Intervention A Placebo | Drug | A matching placebo will be administered at 10 to 60 mg daily in the same regimen as the intervention. |
|
The TEAEs recorded during the study will be summarized by system organ class, preferred term, and treatment group. Adverse events and medical history will be coded using the most current version of MedDRA. |
| 12 Weeks |
| Frequency of serious adverse events (SAEs). | The SAEs recorded during the study will be summarized by system organ class, preferred term, and treatment group. Adverse events and medical history will be coded using the most current version of MedDRA. | 12 Weeks |
| Severity of serious adverse events (SAEs). | The SAEs recorded during the study will be summarized by system organ class, preferred term, and treatment group. Adverse events and medical history will be coded using the most current version of MedDRA. | 12 Weeks |
| Relative change from Baseline to Week 12 in the Clinician-Administered PTSD Scale for DSM-5 Revised (CAPS-5-R), Past Month total score. | A relative change in PTSD symptom severity from baseline as measured by CAPS-5-R Past Month. The range of the scale is 0-200. The higher the score at baseline, the worse the PTSD severity. The larger the decrease in score from baseline, the better the outcome. | 12 Weeks |
| Number of participants with a Response Rate ≥30% | ≥30% reduction from Baseline to 12 Weeks in the Clinician-Administered PTSD Scale for DSM-5 Revised (CAPS-5-R), Past Month total score. The range of the scale is 0-200. The higher the score, the worse the PTSD severity. The larger the decrease in score from baseline, the better the outcome. | 12 Weeks |
| Number of participants with a Response Rate ≥50% | ≥50% reduction from Baseline to 12 Weeks in the Clinician-Administered PTSD Scale for DSM-5 Revised (CAPS-5-R), Past Month total score. The range of the scale is 0-200. The higher the score, the worse the PTSD severity. The larger the decrease in score from baseline, the better the outcome. | 12 Weeks |
| Number of participants Achieving Remission | Achieving remission: defined as the Clinician-Administered PTSD Scale for DSM-5 Revised (CAPS-5-R), Past Month total score <18. The range of the scale is 0-200. The higher the score, the worse the PTSD severity. | 12 Weeks |
| Atlanta |
| Georgia |
| 30318 |
| United States |
| Tripler Army Medical Center (TAMC) | Tripler AMC | Hawaii | 96859 | United States |
| Cincinnati Veteran's Affairs Medical Center | Fort Thomas | Kentucky | 41075 | United States |
| Walter Reed National Military Medical Center (WRNMC) | Bethesda | Maryland | 20889-5632 | United States |
| Upstate Clinical Research Associates, LLC | Williamsville | New York | 14221 | United States |
| Wilford Hall Ambulatory Surgical Center (WHASC) | San Antonio | Texas | 78236 | United States |
| Alexander T. Augusta Military Medical Center (ATAMMC): | Fort Belvoir | Virginia | 22060-5285 | United States |
| Madigan Army Medical Center | Joint Base Lewis McChord | Washington | 98433 | United States |
| ID | Term |
|---|---|
| D013313 | Stress Disorders, Post-Traumatic |
| ID | Term |
|---|---|
| D040921 | Stress Disorders, Traumatic |
| D000068099 | Trauma and Stressor Related Disorders |
| D001523 | Mental Disorders |
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