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A dose-finding trial of OPC-34712 in patients with schizophrenia

A dose-finding trial of OPC-34712 in patients with schizophrenia

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080221591
Enrollment
440
Registered
2011-09-21
Start date
2011-12-07
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Schizophrenia

Interventions

investigational material(s) Generic name etc : OPC-34712 High dose INN of investigational material : - Therapeutic category code : 117 Psychotropic agents Dosage and Administration for Investigational

Sponsors

Otsuka Pharmaceutical Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

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

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 I criteria, or who are diagnosed with a personality disorder (borderline, paranoid, histrionic, schizotypal, schizoid, or antisocial)

Design outcomes

Primary

MeasureTime frame
efficacy Mean Change From Baseline to Week 6 in Positive and Negative Syndrome Scale (PANSS) Total Score

Secondary

MeasureTime frame
efficacy 1.Mean Change From Baseline to Week 6 in PANSS Positive Subscale Score. 2.Mean Change From Baseline to Week 6 in PANSS Negative Subscale Score. 3.Change in CGI-S Score from Baseline to Week 6 4.CGI-I Score at Week 6 safety Percentage of Participants With Treatment-emergent adverse event(TEAE)

Countries

Japan

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026