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Completed Phase 3 Interventional Results available

A Safety Study of Pimavanserin in Adult and Elderly Subjects Experiencing Neuropsychiatric Symptoms Related to Neurodegenerative Disease

ClinicalTrials.gov ID: NCT03575052

Public ClinicalTrials.gov record NCT03575052. 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.

ClinicalTrials.gov public records Last synced Jul 23, 2026, 8:55 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 3b, Multicenter, Randomized, Double-blind, Placebo-controlled, Safety Study of Pimavanserin Therapy in Adult and Elderly Subjects Experiencing Neuropsychiatric Symptoms Related to Neurodegenerative Disease

Study identification

NCT ID
NCT03575052
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
ACADIA Pharmaceuticals Inc.
Industry
Enrollment
784 participants

Conditions and interventions

Interventions

  • Pimavanserin Drug
  • Placebo Drug

Drug

Eligibility (public fields only)

Age range
60 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
May 20, 2018
Primary completion
May 5, 2022
Completion
May 5, 2022
Last update posted
Dec 30, 2024

2018 – 2022

United States locations

U.S. sites
21
U.S. states
10
U.S. cities
16
Facility City State ZIP Site status
Cognitive Clinical Trials Gilbert Arizona 85296
ATP Clinical Research, Inc. Costa Mesa California 92626
Syrentis Clinical Research Santa Ana California 92705
Indago Research & Health Center Inc Hialeah Florida 33012
Reliable Clinical Research, LLC Hialeah Florida 33012
Axcess Medical Research Loxahatchee Groves Florida 33470
Premier Clinical Research Institute, Inc. Miami Florida 33122
Global Medical Institutes Miami Florida 33125
Future Care Solution, LLC Miami Florida 33165
MediClear Medical & Research Center, Inc. Miami Florida 33165
Novel Clinical Research LLC Miami Florida 33186
Laszlo J Mate, MD, PA North Palm Beach Florida 33408
University of South Florida Tampa Florida 33613
Synexus Clinical Research US The Villages Florida 32162
Boston Center Memory Newton Massachusetts 02459
Cognitive Clinical Trials LLC Papillion Nebraska 68046
The NeuroCognitive Institute Mount Arlington New Jersey 07856
UNC Hospital Chapel Hill North Carolina 27599
Insight Clinical Trials LLC Shaker Heights Ohio 44122
Suburban Research Associates Media Pennsylvania 19063
Central for Biomedical Research, LLC Knoxville Tennessee 37909

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 83 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03575052, 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 Dec 30, 2024 · Synced Jul 23, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03575052 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →