Schizophrenia Clinical Trial
NCT number | NCT01456897 |
Other study ID # | 331-10-003 |
Secondary ID | JapicCTI-111632 |
Status | Completed |
Phase | Phase 3 |
First received | |
Last updated | |
Start date | October 2011 |
Verified date | October 2016 |
Source | Otsuka Pharmaceutical Co., Ltd. |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
To investigate the safety and efficacy of long-term administration of OPC-34712 in patients with schizophrenia.
Status | Completed |
Enrollment | 282 |
Est. completion date | |
Est. primary completion date | May 2015 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - Patients age 18 years or older (at time of informed consent) diagnosed with schizophrenia based on DSM-IV-TR diagnostic criteria - Outpatients who are receiving an oral antipsychotic treatment (other than clozapine), who are considered to require maintenance therapy using antipsychotics, and for whom monotherapy with OPC-34712 is considered feasible Exclusion Criteria: - Female patients who are breastfeeding or who have a positive pregnancy test (urine) result prior to receiving investigational medicinal product - 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 ? criteria, or who are diagnosed with a personality disorder (borderline, paranoid, histrionic, schizotypal, schizoid, or antisocial) |
Country | Name | City | State |
---|---|---|---|
n/a |
Lead Sponsor | Collaborator |
---|---|
Otsuka Pharmaceutical Co., Ltd. |
Japan,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Percentage of Participants With Adverse Events | A treatment-emergent adverse event (TEAE) is defined as an AE that started after start of investigational medicinal product (IMP) treatment. | From Baseline up to 52 Weeks | |
Secondary | Mean Change From Baseline in Positive and Negative Syndrome Scale (PANSS) Total Score | The PANSS consisted of 3 subscales with 30 symptom constructs (positive subscale (7): delusions, conceptual disorganization, hallucinatory behavior, excitement, grandiosity, suspiciousness/perseckion, and hostility; negative subscale (7): blunted affect, emotional withdrawal, poor rapport, passive/apathetic social withdrawal, difficulty in abstract thinking, lack of spontaneity and conversation flow, stereotyped thinking and general psychopathology subscale (16): somatic concern, anxiety, guilt feelings, tension, mannerisms and posturing, depression, motor retardation, uncooperativeness, unusual thought content, disorientation, poor attention, lack of judgment and insight, disturbance of volition, poor impulse control, preoccupation, and active social avoidance). Severity was rated on 7-point scale with scores 1 (absence) & 7 (extremely severe). The PANSS Total score ranged from 7 (best possible outcome) to 210 (worst possible outcome). | From Baseline up to 52 Weeks including Week24, Week52, and Last Visit(LOCF) | |
Secondary | Mean Change From Baseline in PANSS Positive Subscale Score | The PANSS consisted of three subscales that contained a total of 30 symptom constructs. For each symptom construct, severity is rated on a 7-point scale, with a score of 1 indicated the absence of symptoms and a score of 7 indicated extremely severe symptoms. In PANSS positive subscale, the 7 positive symptom constructs were: delusions, conceptual disorganization, hallucinatory behavior, excitement, grandiosity, suspiciousness/persecution, and hostility. The PANSS positive subscale score ranged from 7 (best possible outcome) to 49 (worst possible outcome). | From Baseline up to 52 Weeks including Week24, Week52, and Last Visit(LOCF) | |
Secondary | Mean Change From Baseline in PANSS Negative Subscale Score | The PANSS consisted of three subscales that contained a total of 30 symptom constructs. For each symptom construct, severity was rated on a 7-point scale, with a score of 1 indicated the absence of symptoms and a score of 7 indicated extremely severe symptoms. In PANSS negative subscale the severity was rated for the following 7 negative symptom constructs: blunted affect, emotional withdrawal, poor rapport, passive/apathetic social withdrawal, difficulty in abstract thinking, lack of spontaneity and flow of conversation, stereotyped thinking. The PANSS negative subscale score ranged from 7 (best possible outcome) to 49 (worst possible outcome). | From Baseline up to 52 Weeks including Week24, Week52, and Last Visit(LOCF) | |
Secondary | Mean Change From Baseline in Clinical Global Impression-Severity of Illness (CGI-S) | Severity of illness for each participant was rated using the CGI-S, which was the secondary efficacy endpoint. To perform this assessment, the study physician answered the following question: "Considering your total clinical experience with this particular population, how mentally ill is the participant at this time?" Response choices included: 0 = not assessed; 1 = normal, not at all ill; 2 = borderline mentally ill; 3 = mildly ill; 4 = moderately ill; 5 = markedly ill; 6 = severely ill; and 7 = among the most extremely ill participants. | From Baseline up to 52 Weeks including Week24, Week52, and Last Visit(LOCF) | |
Secondary | Mean Clinical Global Impression - Global Improvement(CGI-I) | The efficacy of trial medication was rated for each participant using the CGI-I. The study physician would rate the participant's total improvement whether or not it is due entirely to drug treatment. All responses were compared to the participant's condition at Baseline prior to the first dose of study medication. Response choices included: 0 = not assessed, 1 = very much improved, 2 = much improved, 3 = minimally improved, 4 = no change, 5 = minimally worse, 6 = much worse, and 7 = very much worse. | From Baseline up to 52 Weeks including Week24, Week52, and Last Visit(LOCF) |
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