Trial record 1 of 1 for:    NCT01451164
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A Dose-finding Trial of OPC-34712 in Patients With Schizophrenia

This study is currently recruiting participants. (see Contacts and Locations)
Verified June 2014 by Otsuka Pharmaceutical Co., Ltd.
Information provided by (Responsible Party):
Otsuka Pharmaceutical Co., Ltd. Identifier:
First received: October 11, 2011
Last updated: June 29, 2014
Last verified: June 2014

To investigate the efficacy and safety of OPC-34712 in comparison with placebo in patients with schizophrenia.

Condition Intervention Phase
Drug: OPC-34712
Drug: Placebo
Phase 2
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: A Dose-finding Trial of OPC-34712 in Patients With Schizophrenia

Resource links provided by NLM:

Further study details as provided by Otsuka Pharmaceutical Co., Ltd.:

Primary Outcome Measures:
  • Positive and Negative Syndrome Scale(PANSS) Total Score [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Clinical Global Impression - Severity of Illness (CGI-S) [ Designated as safety issue: No ]

Study Start Date: October 2011
Arms Assigned Interventions
Experimental: High dose Drug: OPC-34712
orally administered once daily
Experimental: Mid dose Drug: OPC-34712
orally administered once daily
Experimental: Low dose Drug: OPC-34712
orally administered once daily
Placebo Comparator: Placebo Drug: Placebo
orally administered once daily


Ages Eligible for Study:   18 Years to 65 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Patients age 18 years or older to less than 65 years (at time of informed consent) diagnosed with schizophrenia based on DSM-IV-TR diagnostic criteria
  • Patients who are hospitalized, or judged to required hospitalization, for acute relapse of schizophrenia at time of informed consent
  • Patients who are experiencing acute exacerbation of psychotic symptoms

Exclusion Criteria:

  • Female patients who are breastfeeding or who have a positive pregnancy test (urine) result prior to receiving investigational medicinal product
  • Patients presenting a first episode of schizophrenia based on the clinical judgment of the investigator
  • Patients who are diagnosed with a disease other than schizophrenia (schizoaffective disorder, major depressive disorder, bipolar disorder, posttraumatic stress disorder, anxiety disorder, delirium, dementia, amnesia, or other cognitive disorder) based on current DSM-IV-TR Axis Ι criteria, or who are diagnosed with a personality disorder (borderline, paranoid, histrionic, schizotypal, schizoid, or antisocial)
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01451164

Contact: Drug Information Center

Kanto Region, Japan
Sponsors and Collaborators
Otsuka Pharmaceutical Co., Ltd.
Study Director: kyoji Imaoka, Operating Officer Otsuka Pharmaceutical Co., Ltd.
  More Information

No publications provided

Responsible Party: Otsuka Pharmaceutical Co., Ltd. Identifier: NCT01451164     History of Changes
Other Study ID Numbers: 331-10-002, JapicCTI-111631
Study First Received: October 11, 2011
Last Updated: June 29, 2014
Health Authority: Japan: Ministry of Health, Labor and Welfare

Additional relevant MeSH terms:
Mental Disorders
Schizophrenia and Disorders with Psychotic Features processed this record on March 25, 2015