Phase 3 Schizophrenia Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- People who are at least 18 years old and under 65 years old at the time of signing the consent form
- People who have been diagnosed with schizophrenia (specifically, multiple episodes and currently in an acute episode) based on a recognised diagnostic standard, confirmed by a structured interview at the time of consent
- People who are currently in hospital, or whose doctor has determined they need to be hospitalised, due to an acute relapse of schizophrenia
- People whose current episode began within 2 months before the screening visit
- People who were previously treated with antipsychotic medications (not including clozapine) at appropriate doses and were found to respond to that treatment
- People whose symptoms returned or worsened during a period when they were not taking antipsychotic medication
- People who have been fully informed about the trial and are able to provide written consent before any trial procedures begin
Who may not be able to join:
- People experiencing their very first episode of schizophrenia, as determined by the treating doctor
- People whose schizophrenia has not responded to two or more antipsychotic medications taken at effective doses for at least 6 weeks each (considered treatment-resistant)
- People who have previously been treated with clozapine for schizophrenia
- People experiencing significant depressive symptoms in the 30 days before consent that, in the doctor's opinion, require antidepressant treatment
- People who, in the 6 months before screening or since their last assessment, have reported serious thoughts of suicide with some intention or a specific plan, based on a standard assessment tool
- People who have shown suicidal behaviour in the 2 years before screening or since their last assessment, based on a standard assessment tool, or who the doctor considers to be at serious risk of suicide
- People with moderate or severe involuntary movements (tardive dyskinesia), as measured by a standard rating scale at screening or at the start of the trial
- People with severe restlessness (akathisia), as measured by a standard rating scale at screening or at the start of the trial
- People who, in the 30 days before screening, were taking two or more antipsychotic medications each at high doses, or were taking antipsychotics at a combined daily dose above a specified high threshold (confirm with trial site for exact dose details)
- People who have a diagnosis of another mental health condition alongside schizophrenia — such as schizoaffective disorder, major depression, bipolar disorder, anxiety disorder, OCD, PTSD, dementia, or personality disorder — though caffeine- or tobacco-related conditions are not excluded on this basis
- People who have met the diagnostic criteria for a substance use or addictive disorder (including alcohol or benzodiazepines, but not caffeine or tobacco) within the 180 days before the trial medication is due to start
- People with a significant medical condition affecting the nervous system, liver, kidneys, metabolism, blood, immune system, heart, lungs, or digestive system (minor or well-controlled conditions may be assessed individually by the trial site)
- People with a known allergy or intolerance to the study drug brexpiprazole, a confirmed lack of response to brexpiprazole, or who have already received brexpiprazole during their current episode
- People the treating doctor considers unsuitable for the trial for any other reason
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Takeshi Tsunoda, Otsuka Pharmaceutical Co., Ltd.
Phone: +81-3-6361-7314
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Mean change from baseline in the Positive and Negative Syndrome Scale (PANSS) total score at last visit of the double-blind period
Can't join this trial?
Data last synced from ClinicalTrials.gov: 28 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.