Relapse Prevention Study of Pimavanserin in Dementia-related Psychosis

NCT ID: NCT03325556

Last Updated: 2021-06-21

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

392 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-09-27

Study Completion Date

2019-10-30

Brief Summary

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The purpose of this study is to evaluate the efficacy of pimavanserin compared to placebo in preventing relapse of psychotic symptoms in subjects with dementia-related psychosis who responded to 12 weeks of open label pimavanserin treatment.

Detailed Description

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Conditions

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Dementia-related 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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Placebo

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Placebo, tablets, once daily by mouth

Drug - Pimavanserin

Group Type EXPERIMENTAL

Pimavanserin 34 mg

Intervention Type DRUG

Pimavanserin 34 mg total daily dose, tablets, once daily by mouth

Pimavanserin 20 mg

Intervention Type DRUG

Pimavanserin 20 mg total daily dose, tablets, once daily by mouth

Interventions

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Placebo

Placebo, tablets, once daily by mouth

Intervention Type DRUG

Pimavanserin 34 mg

Pimavanserin 34 mg total daily dose, tablets, once daily by mouth

Intervention Type DRUG

Pimavanserin 20 mg

Pimavanserin 20 mg total daily dose, tablets, once daily by mouth

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. Meets criteria for All-cause Dementia according to NIA-AA guidelines
2. Meets clinical criteria for one of the following disorders: Dementia associated with Parkinson's disease, Dementia with Lewy bodies, Possible or probable Alzheimer's disease, Frontotemporal degeneration spectrum disorders, Vascular dementia
3. Has an MMSE score ≥6 and ≤24
4. Has had psychotic symptoms for at least 2 months
5. Must be on a stable does of cholinesterase inhibitor or memantine, if applicable
6. If the subject is female, she must not be pregnant or breastfeeding. She must also be of non-childbearing potential or must agree to use a clinically acceptable method of contraception for the duration of the study

Exclusion Criteria

1. Has psychotic symptoms that are primarily attributable to a condition other than dementia
2. Has had a recent major depressive episode
3. Has experienced suicidal ideation or behavior within 3 months prior to study enrollment
4. Has evidence of a non-neurologic medical comorbidity or medication use that could substantially impair cognition
5. Has a history of ischemic stroke within the last 12 months or any evidence of hemorrhagic stroke
6. Has a known history of cerebral amyloid angiopathy (CAA), epilepsy, CNS neoplasm, or unexplained syncope
7. Has any of the following: greater than New York Heart Association (NYHA) Class 2 congestive heart failure, Grade 2 or greater angina pectoris, sustained ventricular tachycardia, ventricular fibrillation, torsade de pointes, syncope due to an arrhythmia, an implantable cardiac defibrillator
8. Had a myocardial infarction within the last 6 months
9. Has a known personal or family history or symptoms of long QT syndrome
10. Has a significant unstable medical condition that could interfere with subject's ability to complete the study or comply with study procedures
11. Requires treatment with a medication or other substance that is prohibited by the protocol
Minimum Eligible Age

50 Years

Maximum Eligible Age

90 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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ATP Clinical Research Inc.

Costa Mesa, California, United States

Site Status

Neurology Center of North Orange County

Fullerton, California, United States

Site Status

Visionary Investigators Network (Aventura Neurologic Associates)

Aventura, Florida, United States

Site Status

Parkinson's Disease and Movement Disorders Center of Boca Raton

Boca Raton, Florida, United States

Site Status

Premier Clinical Research Institute, Inc.

Miami, Florida, United States

Site Status

Visionary Investigators Network (First Choice Neurology Group)

Miami, Florida, United States

Site Status

Novel Clinical Research Center, LLC

Miami, Florida, United States

Site Status

Collier Neurologic Specialists LLC

Naples, Florida, United States

Site Status

Bioclinica Research

Orlando, Florida, United States

Site Status

Neurology Associates of Ormond Beach

Ormond Beach, Florida, United States

Site Status

Quantum Laboratories

Pompano Beach, Florida, United States

Site Status

Neuroscience Research Institute

Winfield, Illinois, United States

Site Status

University of Kansas Medical Center Research Institute, Inc.

Kansas City, Kansas, United States

Site Status

Alzheimer Disease Center

Quincy, Massachusetts, United States

Site Status

Clinical Research Professionals

Chesterfield, Missouri, United States

Site Status

Millennium Psychiatric Associates, LLC; DBA Millennium Center for Clinical Research

St Louis, Missouri, United States

Site Status

Neurology Center of Las Vegas

Las Vegas, Nevada, United States

Site Status

Memory Enhancement Center of America, Inc.

Eatontown, New Jersey, United States

Site Status

BioBehavioral Health

Toms River, New Jersey, United States

Site Status

Neurological Associates of Albany, PC

Albany, New York, United States

Site Status

Manhattan Behavioral Medicine, PLLC

New York, New York, United States

Site Status

Richmond Behavioral Associates

Staten Island, New York, United States

Site Status

Neuro-Behavioral Clinical Research, Inc.

North Canton, Ohio, United States

Site Status

Thomas Jefferson University

Philadelphia, Pennsylvania, United States

Site Status

Abington Neurological Associates Ltd.

Willow Grove, Pennsylvania, United States

Site Status

University of Tennessee Medical Center

Knoxville, Tennessee, United States

Site Status

University of Virginia Adult Neurology

Charlottesville, Virginia, United States

Site Status

Mental Health Center - Ruse EOOD

Rousse, , Bulgaria

Site Status

Psicomed Estudios Medicos

Antofagasta, , Chile

Site Status

Biomedica Research Group

Santiago, , Chile

Site Status

Especialidades Médicas L y S

Santiago, , Chile

Site Status

Fakultni nemocnice Hradec Kralove

Hradec Králové, , Czechia

Site Status

Clintrial s.r.o.

Prague, , Czechia

Site Status

AD71, s.r.o.

Prague, , Czechia

Site Status

Vestra Clinics, s.r.o

Rychnov nad Kněžnou, , Czechia

Site Status

Assistance Publique Hopitaux de Marseille (AP-HM) - Hopital de La Timone - Service de Neurologie et Pathologie du Mouvement du Pr Azulay

Marseille, , France

Site Status

Centre de Recherche du Gerontopole - CHU de Toulouse

Toulouse, , France

Site Status

Klinik für Psychiatrie und Psychotherapie der Universität Tübingen

Tübingen, , Germany

Site Status

Azienda Ospedaliera di Padova Clinica Neurologica

Padua, , Italy

Site Status

IRCCS San Raffaele Pisanna

Rome, , Italy

Site Status

IRCCS Fondazione Santa Lucia, Dipartimento di Neurologia e Psichiatria

Rome, , Italy

Site Status

Universita degli Studi di ROMA "La Sapienza" Dipartimento di NEUROLOGIA E PSICHIATRIA

Rome, , Italy

Site Status

Azienda Ospedaliero-Universitaria Citta della Salute a della Scienza di Torino - c/o Presidio Ospedaliero Molinette Clinica Neurologica I

Torino, , Italy

Site Status

Przychodnia Śródmieście Sp. z o.o.

Bydgoszcz, , Poland

Site Status

ISPL Wieslaw Jerzy Cubala

Gdansk, , Poland

Site Status

Care Clinic

Katowice, , Poland

Site Status

Specjalistyczna Praktyka Lekarska

Lublin, , Poland

Site Status

NZOZ Neuro-Kard Ilkowski i Partnerzy Spółka Partnerska Lekarzy

Poznan, , Poland

Site Status

NEURO-CARE Sp. z o.o. Sp. Komandytowa

Siemianowice Śląskie, , Poland

Site Status

Euromedis Sp z. o. o.

Szczecin, , Poland

Site Status

Centrum Medyczne NeuroProtect

Warsaw, , Poland

Site Status

Clinical center of Serbia, Clinic for Neurology

Belgrade, , Serbia

Site Status

Military Medical Academy, Clinic for Neurology

Belgrade, , Serbia

Site Status

Clinical Hospital Center Dr Dragisa Misovic-Dedinje

Belgrade, , Serbia

Site Status

Institut of Mental Health

Belgrade, , Serbia

Site Status

Psychiatric Clinic, Military Medical Academy

Belgrade, , Serbia

Site Status

Clinic for Psychiatry, Clinical Center Kragujevac

Kragujevac, , Serbia

Site Status

Department of addictive disorders of the Clinic for Psychiatry, Clinical center Kragujevac

Kragujevac, , Serbia

Site Status

Clinic for Psychiatry

Niš, , Serbia

Site Status

MUDr. Beata Dupejova, neurologicka ambulancia s.r.o

Banská Bystrica, , Slovakia

Site Status

Epamed s.r.o., Psychiatricka ambulancia

Košice, , Slovakia

Site Status

NEURES s.r.o. neurologicka ambulancia

Krompachy, , Slovakia

Site Status

Centrum Zdravia R.B.K., s.r.o.

Svidník, , Slovakia

Site Status

Crystal Comfort, s.r.o.

Vranov nad Topľou, , Slovakia

Site Status

Clinica IINA

Barcelona, , Spain

Site Status

Hospital Universitari Vall d'Hebron

Barcelona, , Spain

Site Status

Hospital General de Cataluña

Sant Cugat del Vallès, , Spain

Site Status

Estudio de Psiquiatría

Seville, , Spain

Site Status

Hospital Universitario Virgen del Rocío

Seville, , Spain

Site Status

Municipal Institution "Odesa Regional Psychiatric Hospital #2", Female Gerontological Department # 5, Male Gerontological Department #1

Oleksandrivka, Odesa Oblast, Ukraine

Site Status

Communal Institution "Dnipropetrovsk Regional Clinical Hospital n.a. I. I. Mechnikov"

Dnipro, , Ukraine

Site Status

Municipal Institution of Health Care "Kharkiv Regional Clinical Psychiatric Hospital #3"

Kharkiv, , Ukraine

Site Status

State Institution "Institute of Neurology, Psychiatry, and Narcology of the National Academy of Medical Sciences of Ukraine", Department of Clinical, Social, and Paediatric Psychiatry

Kharkiv, , Ukraine

Site Status

Kherson Regional Psychiatric Hospital

Kherson, , Ukraine

Site Status

Lviv Regional State Clinical Psychiatric Hospital

Lviv, , Ukraine

Site Status

Municipal Institution "Odesa Regional Medical Center of Mental Health", Department #18

Odesa, , Ukraine

Site Status

Poltava Regional Clinical Psychiatric Hospital named after O.F. Maltsev

Poltava, , Ukraine

Site Status

Municipal Institution "Vinnytsya Regional Psychoneurological Hospital n.a. Acad. O.I.Yushchenko", Male Department #14, Female Department #15, Vinnytsya National Medical University n.a. M.I.Pyrogov, Department of Psychiatry, Narcology and Psychotherapeutic

Vinnytsia, , Ukraine

Site Status

Municipal Institution "Zaporizhzhya Regional Clinical Hospital of Zaporizhzhya Regional Council"

Zaporizhzhya, , Ukraine

Site Status

Royal United Hospital - The Research Institute for the Care of Older People (RICE) Centre

Bath, , United Kingdom

Site Status

MAC Clinical Research - Blackpool

Blackpool, , United Kingdom

Site Status

Re:Cognition Health Ltd.

London, , United Kingdom

Site Status

MAC Clinical Research - Manchester

Manchester, , United Kingdom

Site Status

Countries

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United States Bulgaria Chile Czechia France Germany Italy Poland Serbia Slovakia Spain Ukraine United Kingdom

References

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Cummings JL, Ismail Z, Dickerson BC, Ballard C, Grossberg G, McEvoy B, Foff E, Atri A. Development and assessment of a brief screening tool for psychosis in dementia. Alzheimers Dement (Amst). 2021 Dec 7;13(1):e12254. doi: 10.1002/dad2.12254. eCollection 2021.

Reference Type DERIVED
PMID: 34934801 (View on PubMed)

Tariot PN, Cummings JL, Soto-Martin ME, Ballard C, Erten-Lyons D, Sultzer DL, Devanand DP, Weintraub D, McEvoy B, Youakim JM, Stankovic S, Foff EP. Trial of Pimavanserin in Dementia-Related Psychosis. N Engl J Med. 2021 Jul 22;385(4):309-319. doi: 10.1056/NEJMoa2034634.

Reference Type DERIVED
PMID: 34289275 (View on PubMed)

Provided Documents

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Document Type: Study Protocol

View Document

Document Type: Statistical Analysis Plan

View Document

Related Links

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https://link.springer.com/article/10.14283/jpad.2019.47

Tariot P, et al. HARMONY relapse-prevention study: pimavanserin significantly prolongs time to relapse of dementia-related psychosis. J Prev Alz Dis. 2019; 6(suppl 1):S30-S31

Other Identifiers

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2017-002227-13

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

ACP-103-045

Identifier Type: -

Identifier Source: org_study_id

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