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

NCT ID: NCT00477672

Last Updated: 2017-05-17

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

298 participants

Study Classification

INTERVENTIONAL

Study Start Date

2007-06-30

Study Completion Date

2009-07-31

Brief Summary

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This study will evaluate the safety and efficacy of two dose levels of pimavanserin (ACP-103) compared to placebo in patients with Parkinson's disease psychosis.

Detailed Description

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Conditions

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Parkinson's Disease Psychosis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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2

Pimavanserin tartrate (ACP-103), 10 mg, tablet, once daily by mouth, 6 weeks

Group Type EXPERIMENTAL

Pimavanserin tartrate (ACP-103)

Intervention Type DRUG

10 mg, tablet, once daily by mouth, 6 weeks

3

Pimavanserin tartrate (ACP-103), 40 mg, tablet, once daily by mouth, 6 weeks

Group Type EXPERIMENTAL

Pimavanserin tartrate (ACP-103)

Intervention Type DRUG

40 mg, tablet, once daily by mouth, 6 weeks

1

Placebo tablet, once daily by mouth, 6 weeks

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

tablet, once daily by mouth, 6 weeks

Interventions

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Pimavanserin tartrate (ACP-103)

10 mg, tablet, once daily by mouth, 6 weeks

Intervention Type DRUG

Pimavanserin tartrate (ACP-103)

40 mg, tablet, once daily by mouth, 6 weeks

Intervention Type DRUG

Placebo

tablet, once daily by mouth, 6 weeks

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* A clinical diagnosis of Parkinson's disease with a minimum duration of 1 year
* Presence of visual and/or auditory hallucinations, and/or delusions, occurring during the four weeks prior to study screening
* Psychotic symptoms must have developed after PD diagnosis was established
* Subject must be on stable dose of anti-Parkinson's medication for 1 month prior to Study Day 1 (Baseline) and during the trial
* Subject that has received stereotaxic surgery for subthalamic nucleus deep brain stimulation must be at least 6 months post surgery and the stimulator settings must have been stable for at least 1 month prior to Study Day 1 (Baseline) and must remain stable during the trial
* The subject is willing and able to provide consent
* Caregiver is willing and able to accompany the subject to all visits

Exclusion Criteria

* Subject has a history of significant psychotic disorders prior to or concomitantly with the diagnosis of Parkinson's disease including, but not limited to, schizophrenia or bipolar disorder
* Subject has received previous ablative stereotaxic surgery (i.e., pallidotomy and thalamotomy) to treat Parkinson's disease
* Subject has current evidence of a serious and or unstable cardiovascular, respiratory, gastrointestinal, renal, hematologic or other medical disorder
* Subject has had a myocardial infarction in last six months
* Subject has any surgery planned during the screening, treatment or follow-up periods

Patients will be evaluated at screening to ensure that all criteria for study participation are met. These evaluations will include specific measures of psychosis severity, delirium, dementia, cardiovascular condition, and pregnancy status. Patients may be excluded from the study based on these assessments (and specifically if it is determined that their baseline health and psychiatric condition do not meet all protocol-specified entry criteria).
Minimum Eligible Age

40 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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ACADIA Pharmaceuticals Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Gilbert, Arizona, United States

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Phoenix, Arizona, United States

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Berkeley, California, United States

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Carson, California, United States

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Fountain Valley, California, United States

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Irvine, California, United States

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Sunnyvale, California, United States

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Danbury, Connecticut, United States

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Fairfield, Connecticut, United States

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Boca Raton, Florida, United States

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Gainesville, Florida, United States

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Jacksonville, Florida, United States

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Miami, Florida, United States

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Pompano Beach, Florida, United States

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Port Charlotte, Florida, United States

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Sarasota, Florida, United States

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St. Petersburg, Florida, United States

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Tampa, Florida, United States

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Augusta, Georgia, United States

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Springfield, Illinois, United States

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Scarborough, Maine, United States

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Worcester, Massachusetts, United States

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Southfield, Michigan, United States

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Traverse City, Michigan, United States

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Toms River, New Jersey, United States

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Kingston, New York, United States

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Rochester, New York, United States

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Asheville, North Carolina, United States

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Salisbury, North Carolina, United States

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Columbus, Ohio, United States

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Warwick, Rhode Island, United States

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Brentwood, Tennessee, United States

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San Antonio, Texas, United States

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Richmond, Virginia, United States

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Kirkland, Washington, United States

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Spokane, Washington, United States

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Pleven, , Bulgaria

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Rousse, , Bulgaria

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Sofia, , Bulgaria

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Varna, , Bulgaria

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Clermont-Ferrand, , France

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Marseille, , France

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Nantes, , France

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Pessac, , France

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Strasbourg, , France

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Toulouse, , France

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Bangalore, , India

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Hyderabad, , India

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Karnataka, , India

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Mangalore, , India

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Mumbai, , India

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Mumbai, , India

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New Dalhi, , India

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Pune, , India

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Pune, , India

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Tamil Nadu, , India

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Tamil Nadu, , India

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Visakhapatnam, , India

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Kazan', , Russia

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Kirov, , Russia

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Moscow, , Russia

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Saint Petersburg, , Russia

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Samara, , Russia

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Smolensk, , Russia

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Kharkiv, , Ukraine

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Kiev, , Ukraine

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Kiev, , Ukraine

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Luhansk, , Ukraine

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Lviv, , Ukraine

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Vinnytsia, , Ukraine

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Barnsley, , United Kingdom

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Blackburn, , United Kingdom

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Brighton, , United Kingdom

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Dorset, , United Kingdom

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London, , United Kingdom

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Newcastle upon Tyne, , United Kingdom

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North Shields, , United Kingdom

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Salford, , United Kingdom

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Countries

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United States Bulgaria France India Russia Ukraine United Kingdom

Other Identifiers

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ACP-103-012

Identifier Type: -

Identifier Source: org_study_id

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