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Clinical Trial Evaluating the Efficacy, Safety, and Tolerability of Cariprazine in a Dose-Reduction Paradigm in the Prevention of Relapse in Participants With Schizophrenia

Phase 3
Terminated
Conditions
Schizophrenia
Interventions
Drug: Placebo
Registration Number
NCT03593213
Lead Sponsor
AbbVie
Brief Summary

1. To evaluate the efficacy and safety of cariprazine at a target dose of 4.5 milligram per day (mg/d) compared with placebo in prevention of relapse in patients with schizophrenia

2. To evaluate the efficacy and safety of cariprazine at a target dose of 3.0 mg/d compared with placebo in prevention of relapse in patients with schizophrenia who were initially stabilized on a target dose of 4.5 mg/d

Detailed Description

Not available

Recruitment & Eligibility

Status
TERMINATED
Sex
All
Target Recruitment
587
Inclusion Criteria
  • Diagnosis of schizophrenia for a minimum of 1 year before Visit 1 (Screening).
  • Ability to follow study instructions, complete study assessment tools with minimal assistance and no alteration to the assessment tools, and likely to complete all required visits.
  • Participant meets Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) criteria for schizophrenia as determined by Structured Clinical Interview for DSM-5 (SCID-5).
  • Positive and Negative Syndrome Scale (PANSS) total score >= 70 and <= 120 at Visit 1 and Visit 2 (Day 1).
  • Rating of at least 4 (moderate) on at least 2 of the following 4 PANSS positive symptoms; P1: delusions; P2: conceptual disorganization; P3: hallucinatory behaviour; P6: suspiciousness/persecution at Visit 1 and Visit 2.
Exclusion Criteria
  • Currently meeting DSM-5 criteria for any of the following:
  • Schizoaffective disorder, schizophreniform disorder, and other psychotic disorders
  • Bipolar I and II disorder
  • Autism spectrum disorder, intellectual development disorder, delirium, major/minor neurocognitive disorder
  • History of meeting DSM-5 criteria for substance-related disorders (excluding caffeine-related and tobacco-related disorders) within the prior 3 months before Visit 1.
  • Prior participation in any clinical trials involving experimental or investigational drugs within 6 months before Visit 1 or planned during the study.
  • Female Participants who are pregnant, planning to become pregnant during the course of the study, or are currently lactating.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Placebo (Double-blind Treatment Period)PlaceboCariprazine placebo-matching capsules orally once daily from Week 19 through Week 44 in Double-blind Treatment Period.
Cariprazine 4.5 mg/day (Open-label Treatment Period)CariprazineCariprazine 1.5 mg capsules orally once daily at Week 1, titrated to 3.0 mg capsules orally once daily at Week 2 and then titrated to 4.5 mg orally once daily from Week 3 through Week 18 in the Open-label Treatment Period.
Cariprazine 3.0 mg/day (Double-blind Treatment Period)CariprazineCariprazine 3.0 mg capsules orally once daily from Week 19 through Week 44 in Double-blind Treatment Period.
Cariprazine 4.5 mg/day (Double-blind Treatment Period)CariprazineCariprazine 4.5 mg capsules orally once daily from Week 19 through Week 44 in Double-blind Treatment Period.
Primary Outcome Measures
NameTimeMethod
Time to First Relapse During Double-blind Treatment PeriodRandomization (Week 18) to End of Treatment (Week 44)

Time to Relapse is the number of days from randomization to first relapse.

Relapse is defined as any 1 of the following:

* Increase in Positive and Negative Syndrome Scale(PANSS) by ≥30% for participants who had total score of ≥50 at randomization or ≥10-point increased score with total score \<50 at randomization \[PANSS=30 questions where 1=absence of symptoms to 7=extremely severe symptom;total score=30 to 210;higher score more severe symptoms\]

* Increase in Clinical Global Impression-Severity (CGI-S) score by 2 or more points \[1=normal to 7=among most extremely ill\]

* Score of \>4 on 1 or more of 7 PANSS items:P1-delusions,P2-conceptual disorganization,P3-hallucinatory behavior,P6-suspiciousness,P7-hostility,G8-uncooperativeness,G14-poor impulse control

* Deliberate self-injury

* Initiation of treatment with mood stabilizer,antidepressant,antipsychotics or benzodiazepine that exceeds specified allowance

* Psychiatric hospitalization

* Exacerbation of psychiatric illness

Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (95)

Advanced Research Center, Inc.

🇺🇸

Anaheim, California, United States

California Pharmaceutical Research Institute, Inc.

🇺🇸

Costa Mesa, California, United States

Collaborative Neuroscience Research, LLC

🇺🇸

Torrance, California, United States

Southern Winds Hospital

🇺🇸

Hialeah, Florida, United States

Research Centers of America

🇺🇸

Hollywood, Florida, United States

Synexus Clinical Research, Inc

🇺🇸

Atlanta, Georgia, United States

OSY Psychiatry Department

🇺🇸

Columbus, Ohio, United States

iResearch Atlanta LLC

🇺🇸

Decatur, Georgia, United States

Atlanta Behavioral Research, LLC

🇺🇸

Dunwoody, Georgia, United States

Louisiana Clinical Research

🇺🇸

Shreveport, Louisiana, United States

Synexus Clinical Research US, Inc.

🇺🇸

Cerritos, California, United States

Hassman Research Institute

🇺🇸

Berlin, New Jersey, United States

Samodzielny Publiczny Zespół Opieki Zdrowotnej

🇵🇱

Chełmno, Poland

Centrum Badan Klinicznych PI-House

🇵🇱

Gdansk, Poland

Indywidualna Specjalistyczna Praktyka

🇵🇱

Poznan, Poland

INSPIRA Clinical Research

🇵🇷

San Juan, Puerto Rico

Spitalul de Psihiatrie TITAN "Dr. Constantin Gorgoș", Bulevardul Nicolae Grigorescu, Nr. 41

🇷🇴

București, Romania

Spital Clinic Judetean Tg. Mures

🇷🇴

Targu Mures, Romania

Odessa Regional Medical Centre of Mental Health

🇺🇦

Odesa, Ukraine

SI Institute of Neurology, Psychiatry and Narcology of NAMSU

🇺🇦

Kharkiv, Ukraine

KNP of Lviv Regional Council "Lviv Regional Clinical Psychiatric Hospital"

🇺🇦

Lviv, Ukraine

University of California San Diego

🇺🇸

San Diego, California, United States

Altea Research

🇺🇸

Las Vegas, Nevada, United States

Alea Research Institute

🇺🇸

Las Vegas, Nevada, United States

ProScience Research Group

🇺🇸

Culver City, California, United States

Sooner Clinical Research

🇺🇸

Oklahoma City, Oklahoma, United States

Woodland International Research Group

🇺🇸

Little Rock, Arkansas, United States

Pillar Clinical Research

🇺🇸

Richardson, Texas, United States

ATP Clinical Research, Inc.

🇺🇸

Costa Mesa, California, United States

Woodland Research Northwest, LLC

🇺🇸

Rogers, Arkansas, United States

CITrials - Bellflower

🇺🇸

Bellflower, California, United States

Collaborative Neuroscience Research Network, LLC.

🇺🇸

Garden Grove, California, United States

Omega Clinical Trials

🇺🇸

La Habra, California, United States

Synergy San Diego

🇺🇸

Lemon Grove, California, United States

Alliance Research

🇺🇸

Long Beach, California, United States

Behavioral Research Specialists, LLC

🇺🇸

Glendale, California, United States

CNRI-Los Angeles

🇺🇸

Pico Rivera, California, United States

Excell Research, Inc

🇺🇸

Oceanside, California, United States

Orange County Neuropsychiatric Research Center, LLC

🇺🇸

Orange, California, United States

Wilks & Safirstein MD PA D/B/A MD Clinical

🇺🇸

Hallandale Beach, Florida, United States

Schuster Medical Research Institute

🇺🇸

Sherman Oaks, California, United States

Atlanta Center for Medical Research

🇺🇸

Atlanta, Georgia, United States

AMITA Health Alexian Brothers Center for Psychiatric Research

🇺🇸

Hoffman Estates, Illinois, United States

CBH Health LLC

🇺🇸

Gaithersburg, Maryland, United States

New Hope Clinical Research

🇺🇸

Charlotte, North Carolina, United States

Neurobehavioral Research, Inc.

🇺🇸

Cedarhurst, New York, United States

Clinical Inquest Center Ltd.

🇺🇸

Beavercreek, Ohio, United States

Professional Psychiatric Services

🇺🇸

Mason, Ohio, United States

State Psychiatry Hospital

🇧🇬

Kardzhali, Bulgaria

MHAT Dr. Hristo Stambolski" EOOD; Department of Psychiatry

🇧🇬

Kazanlak, Bulgaria

Mental Health Centre - Prof.Dr.Ivan Temkov-Burgas

🇧🇬

Burgas, Bulgaria

Pillar Healthcare

🇺🇸

Richardson, Texas, United States

Mental health Centre-Ruse EOOD

🇧🇬

Ruse, Bulgaria

UMHAT Dr. Georgi Stranski, EAD

🇧🇬

Pleven, Bulgaria

State Psyciiatric Hospital - Lovech

🇧🇬

Lovech, Bulgaria

MHAT-Targovishte, AD

🇧🇬

Targovishte, Bulgaria

DCC Mladost M - Varna, OOD

🇧🇬

Varna, Bulgaria

Mental Health Center - Veliko Tarnovo EOOD, Veliko Tarnovo

🇧🇬

Veliko Tarnovo, Bulgaria

Mental Health Center - Vratsa EOOD, Vratsa

🇧🇬

Vratsa, Bulgaria

Inje University Busan Paik Hospital

🇰🇷

Busan, Korea, Republic of

Chonnam National University Hospital

🇰🇷

Gwangju, Korea, Republic of

Inje University Heaundae Paik Hospital

🇰🇷

Busan, Korea, Republic of

Gachon University Gil Medical Center

🇰🇷

Incheon, Korea, Republic of

Jeju National University Hospital

🇰🇷

Jeju, Korea, Republic of

University Kuala Lumpur

🇲🇾

Ipoh, Malaysia

Hospital Sentosa

🇲🇾

Kuching, Malaysia

University Malaya Medical Center

🇲🇾

Kuala Lumpur, Malaysia

Szpital Uniwersytecki Nr.1 im. Dr. A. Jurasza, Klinika Psychiatrii

🇵🇱

Bydgoszcz, Poland

Specjalistyczna Praktyka lekarska

🇵🇱

Lublin, Poland

Armys Clinical Emergency Central Hospital Prof Dr Carol Davila

🇷🇴

Bucharest, Romania

Spitalul de Psihiatrie si Neurologie Brasov

🇷🇴

Brasov, Romania

CETTT SF Stelian Hospital

🇷🇴

București, Romania

Institute of Mental Health

🇷🇸

Belgrade, Serbia

Special Hospital for Psychiatric Diseases "Kovin"

🇷🇸

Kovin, Serbia

Clinical Center of Serbia

🇷🇸

Belgrade, Serbia

Clinical Hospital Center Dr. Dragisa Misovic-Dedinje

🇷🇸

Belgrade, Serbia

Clinical Centre Kragujevac

🇷🇸

Kragujevac, Serbia

Specialized Hospital for Neuropsychiatric Diseases Sveti Vracevi

🇷🇸

Novi Knezevac, Serbia

Clinic for Psychiatry, Clinical Centre of Vojvodina

🇷🇸

Novi Sad, Serbia

National Cheng Kung University Hospital

🇨🇳

Tainan City, Taiwan

Taipei Tzu Chi Hospital

🇨🇳

New Taipei City, Taiwan

Department of Psychiatry, Taipei Veterans General Hospital, Taiwan

🇨🇳

Taipei City, Taiwan

Suan prung Psychiatric Hospital

🇹🇭

Mueang Nonthaburi, Thailand

Regional Psychonevrological Hospital #3

🇺🇦

Ivano-Frankivsk, Ukraine

Kharkiv regional clinical psychiatric hospital #3

🇺🇦

Kharkiv, Ukraine

Kyiv Railway Clinical Hospital #2 of Branch "Health Center" of the Public Joint Stock Company "Ukrainian Railway"v

🇺🇦

Kyiv, Ukraine

Geikivka multidisciplinary hospital for psychiatric care

🇺🇦

Kyiv, Ukraine

Institute of Neurology, Psychiatry and Narcology of the NAMS of Ukraine

🇺🇦

Kharkiv, Ukraine

Kyiv Regional Medical Incorporation "Psychiatry"

🇺🇦

Kyiv, Ukraine

Odesa Regional Psychiatric Hospital No.2 of the ORC

🇺🇦

Odesa, Ukraine

Kherson Regional Psychiatric Institution for Psychiatric Care

🇺🇦

Petrivka, Ukraine

Cherkasy regional psychiatric hospital of the CRC

🇺🇦

Smila, Ukraine

CI O.I. Yuschenko VRPsH Depts No.14 and No.15 M.I. Pyrogov VNMU

🇺🇦

Vinnytsia, Ukraine

VNMU

🇺🇦

Vinnytsia, Ukraine

Community Clinical Research, Inc.

🇺🇸

Austin, Texas, United States

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