Trial to Evaluate the Effects of OPC-34712 on QT/QTc in Subjects With Schizophrenia or Schizoaffective Disorder
Schizophrenia, Schizoaffective Disorder
About this trial
This is an interventional treatment trial for Schizophrenia focused on measuring Schizophrenia, QTc Interval
Eligibility Criteria
Inclusion Criteria:
- Male and female subjects between 18 and 55 years of age, inclusive, with a diagnosis of schizophrenia or schizoaffective disorder as defined by DSM-IV-TR criteria.
- Body mass index of 19 to 35 kg/m2.
Exclusion Criteria:
- Females who are pregnant or lactating. A negative serum pregnancy test must be confirmed prior to the first dose of trial medication for all female subjects.
- Subjects presenting with a first episode of schizophrenia or schizoaffective disorder based on the clinical judgment of the investigator.
- Subjects who have received continuous medication therapy to treat schizophrenia or schizoaffective disorder for less than 6 months prior to washout.
- Subjects with schizophrenia or schizoaffective disorder that are considered resistant/refractory to antipsychotic treatment by history, who have a history of failure to clozapine, or who are responsive only to clozapine treatment.
- Subjects with a current DSM-IV-TR Axis I diagnosis other than schizophrenia or schizoaffective disorder.
- Hospitalization for an exacerbation of schizophrenia or schizoaffective disorder within 3 months prior to randomization.
- Subjects who have a history of or who have evidence of other medical and/or neurological conditions that would expose them to an undue risk of a significant AE or interfere with assessments of safety or efficacy during the course of the trial.
- Subjects with a history of neuroleptic malignant syndrome.
- Subjects with a history of seizure disorder.
- Subjects who meet DSM-IV-TR criteria for substance dependence within 6 months prior to randomization.
Sites / Locations
- Otsuka Investigational Site
- Otsuka Investigational Site
- Otsuka Investigational Site
- Otsuka Investigational Site
- Otsuka Investigational Site
- Otsuka Investigational Site
- Otsuka Investigational Site
- Otsuka Investigational Site
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Active Comparator
Active Comparator
Active Comparator
Active Comparator
Arm 1 (OPC-34712, placebo)
Arm 2 (OPC-34712, placebo)
Arm 3 (moxifloxacin, placebo)
Arm 4 (moxifloxacin, placebo)
Arm 1 will be administered 4 mg OPC-34712 once daily (QD) for 11 days and OPC-34712 placebo for 1 day.
Arm 2 will be administered 12 mg OPC-34712 QD for 11 days and OPC-34712 placebo for 1 day.
Arm 3 will be administered 400 mg moxifloxacin (positive control) plus OPC-34712 placebo for 1 day and OPC-34712 placebo QD for 11 days.
Arm 4 will be administered OPC-34712 placebo QD for 11 days and 400 mg moxifloxacin (positive control) plus OPC-34712 placebo for one day.