Extension Study of Pimavanserin in Subjects With Major Depressive Disorder and Inadequate Response to Antidepressant Treatment
Public ClinicalTrials.gov record NCT04000009. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A 52-Week Open-Label Extension Study of Pimavanserin in Subjects With Major Depressive Disorder and Inadequate Response to Antidepressant Treatment
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
To assess the safety and tolerability of long-term pimavanserin treatment in subjects with major depressive disorder and inadequate response to antidepressant treatment.
Study identification
- NCT ID
- NCT04000009
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 235 participants
Conditions and interventions
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jun 6, 2019 (Actual)
- Primary completion
- Feb 22, 2021 (Actual)
- Completion
- Feb 22, 2021 (Actual)
- Last update posted
- Apr 5, 2022
2019 – 2021
United States locations
- U.S. sites
- 33
- U.S. states
- 15
- U.S. cities
- 29
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| CNS Network | Garden Grove | California | 90806 | — |
| Behavioral Research Specialists | Glendale | California | 91206 | — |
| Irvine Clinical Research | Irvine | California | 92614 | — |
| Synergy San Diego | Lemon Grove | California | 91945 | — |
| Pacific Research Partners, LLC | Oakland | California | 94607 | — |
| NRC Research Institute | Orange | California | 92868 | — |
| MCB Clinical Research centers, LLC | Colorado Springs | Colorado | 80910 | — |
| Clinical Neuroscience Solutions ( CNS Healthcare)-Jacksonville | Jacksonville | Florida | 32256 | — |
| Meridien Research | Maitland | Florida | 32751 | — |
| Florida Research Center, Inc. | Miami | Florida | 33174 | — |
| CNS Health Care (Orlando) | Orlando | Florida | 32801 | — |
| Emory University School of Medicine | Atlanta | Georgia | 30322 | — |
| Synexus Clinical Research | Atlanta | Georgia | 30328 | — |
| Great Lakes Clinical Trials | Chicago | Illinois | 60640 | — |
| Capstone Clinical Research | Libertyville | Illinois | 60048 | — |
| Collective Medical Research, LLC | Prairie Village | Kansas | 66208 | — |
| Adams Clinical | Watertown | Massachusetts | 02472 | — |
| Integrative Clinical Trials | Brooklyn | New York | 11229 | — |
| Social Psychiatry Research Institute (SPRI) | Brooklyn | New York | 11235 | — |
| Department of Psychiatry, Icahn School of Medicine at Mount Sinai | New York | New York | 10029 | — |
| The Medical Research Network, LLC | New York | New York | 10128 | — |
| Finger Lakes Clinical Research | Rochester | New York | 14618 | — |
| Charak Clinical Research Center | Garfield Heights | Ohio | 44125 | — |
| Summit Research Network (Oregon) Inc. | Portland | Oregon | 97210 | — |
| University of Pennsylvania | Philadelphia | Pennsylvania | 19104 | — |
| Coastal Carolina Research Center | Mt. Pleasant | South Carolina | 26464 | — |
| Clinical Neuroscience Solutions CNS Healthcare | Memphis | Tennessee | 38119 | — |
| Research Strategies of Memphis, LLC | Memphis | Tennessee | 38119 | — |
| Future Search Trials of Dallas | Dallas | Texas | 75231 | — |
| Baylor College of Medicine | Houston | Texas | 77030 | — |
| Clinical Trials of Texas, Inc. | San Antonio | Texas | 78229 | — |
| Grayline Research Center | Wichita Falls | Texas | 76309 | — |
| IPC Research | Waukesha | Wisconsin | 53188 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 38 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04000009, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 5, 2022 · Synced Oct 16, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT04000009 live on ClinicalTrials.gov.