Clinical Trial Evaluating the Efficacy, Safety, and Tolerability of Cariprazine in a Dose-Reduction Paradigm in the Prevention of Relapse in Participants With Schizophrenia
Schizophrenia
About this trial
This is an interventional treatment trial for Schizophrenia
Eligibility Criteria
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.
Sites / Locations
- Pillar Clinical Research
- Woodland International Research Group
- Woodland Research Northwest, LLC
- Advanced Research Center, Inc.
- CITrials - Bellflower
- Synexus Clinical Research US, Inc.
- ATP Clinical Research, Inc.
- California Pharmaceutical Research Institute, Inc.
- ProScience Research Group
- Collaborative Neuroscience Research Network, LLC.
- Behavioral Research Specialists, LLC
- Omega Clinical Trials
- Synergy San Diego
- Alliance Research
- Excell Research, Inc
- Orange County Neuropsychiatric Research Center, LLC
- CNRI-Los Angeles
- University of California San Diego
- Schuster Medical Research Institute
- Collaborative Neuroscience Research, LLC
- Wilks & Safirstein MD PA D/B/A MD Clinical
- Southern Winds Hospital
- Research Centers of America
- Synexus Clinical Research, Inc
- Atlanta Center for Medical Research
- iResearch Atlanta LLC
- Atlanta Behavioral Research, LLC
- AMITA Health Alexian Brothers Center for Psychiatric Research
- Louisiana Clinical Research
- CBH Health LLC
- Altea Research
- Alea Research Institute
- Hassman Research Institute
- Neurobehavioral Research, Inc.
- New Hope Clinical Research
- Clinical Inquest Center Ltd.
- OSY Psychiatry Department
- Professional Psychiatric Services
- Sooner Clinical Research
- Community Clinical Research, Inc.
- Pillar Clinical Research
- Pillar Healthcare
- Mental Health Centre - Prof.Dr.Ivan Temkov-Burgas
- State Psychiatry Hospital
- MHAT Dr. Hristo Stambolski" EOOD; Department of Psychiatry
- State Psyciiatric Hospital - Lovech
- UMHAT Dr. Georgi Stranski, EAD
- Mental health Centre-Ruse EOOD
- MHAT-Targovishte, AD
- DCC Mladost M - Varna, OOD
- Mental Health Center - Veliko Tarnovo EOOD, Veliko Tarnovo
- Mental Health Center - Vratsa EOOD, Vratsa
- Inje University Busan Paik Hospital
- Inje University Heaundae Paik Hospital
- Chonnam National University Hospital
- Gachon University Gil Medical Center
- Jeju National University Hospital
- University Kuala Lumpur
- University Malaya Medical Center
- Hospital Sentosa
- Szpital Uniwersytecki Nr.1 im. Dr. A. Jurasza, Klinika Psychiatrii
- Samodzielny Publiczny Zespół Opieki Zdrowotnej
- Centrum Badan Klinicznych PI-House
- Specjalistyczna Praktyka lekarska
- Indywidualna Specjalistyczna Praktyka
- INSPIRA Clinical Research
- Spitalul de Psihiatrie si Neurologie Brasov
- Armys Clinical Emergency Central Hospital Prof Dr Carol Davila
- Spitalul de Psihiatrie TITAN "Dr. Constantin Gorgoș", Bulevardul Nicolae Grigorescu, Nr. 41
- CETTT SF Stelian Hospital
- Spital Clinic Judetean Tg. Mures
- Clinical Center of Serbia
- Clinical Hospital Center Dr. Dragisa Misovic-Dedinje
- Institute of Mental Health
- Special Hospital for Psychiatric Diseases "Kovin"
- Clinical Centre Kragujevac
- Clinical Centre Kragujevac
- Specialized Hospital for Neuropsychiatric Diseases Sveti Vracevi
- Clinic for Psychiatry, Clinical Centre of Vojvodina
- Taipei Tzu Chi Hospital
- National Cheng Kung University Hospital
- Department of Psychiatry, Taipei Veterans General Hospital, Taiwan
- Suan prung Psychiatric Hospital
- Regional Psychonevrological Hospital #3
- Kharkiv regional clinical psychiatric hospital #3
- Institute of Neurology, Psychiatry and Narcology of the NAMS of Ukraine
- SI Institute of Neurology, Psychiatry and Narcology of NAMSU
- Kyiv Railway Clinical Hospital #2 of Branch "Health Center" of the Public Joint Stock Company "Ukrainian Railway"v
- Kyiv Regional Medical Incorporation "Psychiatry"
- Geikivka multidisciplinary hospital for psychiatric care
- KNP of Lviv Regional Council "Lviv Regional Clinical Psychiatric Hospital"
- Odessa Regional Medical Centre of Mental Health
- Odesa Regional Psychiatric Hospital No.2 of the ORC
- Kherson Regional Psychiatric Institution for Psychiatric Care
- Cherkasy regional psychiatric hospital of the CRC
- CI O.I. Yuschenko VRPsH Depts No.14 and No.15 M.I. Pyrogov VNMU
- VNMU
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Experimental
Placebo Comparator
Experimental
Experimental
Cariprazine 4.5 mg/day (Open-label Treatment Period)
Placebo (Double-blind Treatment Period)
Cariprazine 3.0 mg/day (Double-blind Treatment Period)
Cariprazine 4.5 mg/day (Double-blind Treatment Period)
Cariprazine 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 placebo-matching capsules orally once daily from Week 19 through Week 44 in Double-blind Treatment Period.
Cariprazine 3.0 mg capsules orally once daily from Week 19 through Week 44 in Double-blind Treatment Period.
Cariprazine 4.5 mg capsules orally once daily from Week 19 through Week 44 in Double-blind Treatment Period.