ClinicalTrials.gov record
Completed Phase 3 Interventional Results available

A Study of the Safety and Efficacy of Pimavanserin (ACP-103) in Patients With Parkinson's Disease Psychosis

ClinicalTrials.gov ID: NCT00477672

Public ClinicalTrials.gov record NCT00477672. 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 Apr 30, 2026, 9:38 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 Multi-Center, Placebo-Controlled, Double-Blind Trial to Examine the Safety and Efficacy of ACP-103 in the Treatment of Psychosis in Parkinson's Disease

Study identification

NCT ID
NCT00477672
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
ACADIA Pharmaceuticals Inc.
Industry
Enrollment
298 participants

Conditions and interventions

Interventions

  • Pimavanserin tartrate (ACP-103) Drug
  • Placebo Drug

Drug

Eligibility (public fields only)

Age range
40 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 31, 2007
Primary completion
May 31, 2009
Completion
Jun 30, 2009
Last update posted
May 16, 2017

2007 – 2009

United States locations

U.S. sites
36
U.S. states
18
U.S. cities
36
Facility City State ZIP Site status
Not listed Gilbert Arizona 85234
Not listed Phoenix Arizona 85013
Not listed Berkeley California 94705
Not listed Carson California 90746
Not listed Fountain Valley California 92708
Not listed Irvine California 92697
Not listed Sunnyvale California 94805
Not listed Danbury Connecticut 06810
Not listed Fairfield Connecticut 06824
Not listed Boca Raton Florida 33486
Not listed Gainesville Florida 32610
Not listed Jacksonville Florida 32209
Not listed Miami Florida 33136
Not listed Pompano Beach Florida 33060
Not listed Port Charlotte Florida 33952
Not listed Sarasota Florida 34239
Not listed St. Petersburg Florida 33701
Not listed Tampa Florida 33606
Not listed Augusta Georgia 30912
Not listed Springfield Illinois 62794
Not listed Scarborough Maine 04074
Not listed Worcester Massachusetts 01655
Not listed Southfield Michigan 48034
Not listed Traverse City Michigan 49684
Not listed Toms River New Jersey 08755
Not listed Kingston New York 12401
Not listed Rochester New York 14618
Not listed Asheville North Carolina 28806
Not listed Salisbury North Carolina 28144
Not listed Columbus Ohio 43210
Not listed Warwick Rhode Island 02886
Not listed Brentwood Tennessee 37027
Not listed San Antonio Texas 78258
Not listed Richmond Virginia 23229
Not listed Kirkland Washington 98034
Not listed Spokane Washington 99204

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 42 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00477672, 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 May 16, 2017 · Synced Apr 30, 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 protocol, eligibility criteria, and contact information for NCT00477672 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →