Relapse Prevention Study of Pimavanserin in Dementia-related Psychosis
Public ClinicalTrials.gov record NCT03325556. 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 Double-blind, Placebo-controlled, Relapse Prevention Study of Pimavanserin for the Treatment of Hallucinations and Delusions Associated With Dementia-related Psychosis
Study identification
- NCT ID
- NCT03325556
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- ACADIA Pharmaceuticals Inc.
- Industry
- Enrollment
- 392 participants
Conditions and interventions
Conditions
Interventions
- Pimavanserin 20 mg Drug
- Pimavanserin 34 mg Drug
- Placebo Drug
Drug
Eligibility (public fields only)
- Age range
- 50 Years to 90 Years
- 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
- Sep 26, 2017
- Primary completion
- Jul 30, 2019
- Completion
- Oct 29, 2019
- Last update posted
- Jun 20, 2021
2017 – 2019
United States locations
- U.S. sites
- 27
- U.S. states
- 13
- U.S. cities
- 25
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| ATP Clinical Research Inc. | Costa Mesa | California | 92626 | — |
| Neurology Center of North Orange County | Fullerton | California | 92835 | — |
| Visionary Investigators Network (Aventura Neurologic Associates) | Aventura | Florida | 33180 | — |
| Parkinson's Disease and Movement Disorders Center of Boca Raton | Boca Raton | Florida | 33486 | — |
| Premier Clinical Research Institute, Inc. | Miami | Florida | 33122 | — |
| Visionary Investigators Network (First Choice Neurology Group) | Miami | Florida | 33176 | — |
| Novel Clinical Research Center, LLC | Miami | Florida | 33186 | — |
| Collier Neurologic Specialists LLC | Naples | Florida | 34102 | — |
| Bioclinica Research | Orlando | Florida | 32806 | — |
| Neurology Associates of Ormond Beach | Ormond Beach | Florida | 32174 | — |
| Quantum Laboratories | Pompano Beach | Florida | 33064 | — |
| Neuroscience Research Institute | Winfield | Illinois | 60190 | — |
| University of Kansas Medical Center Research Institute, Inc. | Kansas City | Kansas | 66160 | — |
| Alzheimer Disease Center | Quincy | Massachusetts | 02169 | — |
| Clinical Research Professionals | Chesterfield | Missouri | 63005 | — |
| Millennium Psychiatric Associates, LLC; DBA Millennium Center for Clinical Research | St Louis | Missouri | 63132 | — |
| Neurology Center of Las Vegas | Las Vegas | Nevada | 89128 | — |
| Memory Enhancement Center of America, Inc. | Eatontown | New Jersey | 07724 | — |
| BioBehavioral Health | Toms River | New Jersey | 08755 | — |
| Neurological Associates of Albany, PC | Albany | New York | 12208 | — |
| Manhattan Behavioral Medicine, PLLC | New York | New York | 10036 | — |
| Richmond Behavioral Associates | Staten Island | New York | 10312 | — |
| Neuro-Behavioral Clinical Research, Inc. | North Canton | Ohio | 44720 | — |
| Thomas Jefferson University | Philadelphia | Pennsylvania | 19107 | — |
| Abington Neurological Associates Ltd. | Willow Grove | Pennsylvania | 19090 | — |
| University of Tennessee Medical Center | Knoxville | Tennessee | 37920 | — |
| University of Virginia Adult Neurology | Charlottesville | Virginia | 22903 | — |
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 56 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03325556, 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 Jun 20, 2021 · Synced May 19, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03325556 live on ClinicalTrials.gov.