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Completed Phase 3 Interventional Results available

Extension Study of Pimavanserin in Adult Subjects With Neuropsychiatric Symptoms Related to Neurodegenerative Disease

ClinicalTrials.gov ID: NCT03623321

Public ClinicalTrials.gov record NCT03623321. 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, 11:02 AM 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 52-Week Open-label Extension Study of Pimavanserin in Adult and Elderly Subjects With Neuropsychiatric Symptoms Related to Neurodegenerative Disease

Study identification

NCT ID
NCT03623321
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
ACADIA Pharmaceuticals Inc.
Industry
Enrollment
595 participants

Conditions and interventions

Interventions

  • Pimavanserin 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
Jul 16, 2018
Primary completion
May 4, 2023
Completion
May 4, 2023
Last update posted
Dec 19, 2024

2018 – 2023

United States locations

U.S. sites
17
U.S. states
8
U.S. cities
12
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
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
Synexus Clinical Research US, Inc. The Villages Florida 32162
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 71 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03623321, 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 19, 2024 · Synced Jul 23, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03623321 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →