{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=OPC-34712",
    "query": {
      "intervention": "OPC-34712"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 37,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=OPC-34712&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T00:58:55.886Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT03548584",
      "title": "A Trial to Evaluate the Safety, Efficacy, and Tolerability of Brexpiprazole in Treating Agitation Associated With Dementia of the Alzheimer's Type",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Agitation Associated With Alzheimer's Dementia",
        "Alzheimer Dementia"
      ],
      "interventions": [
        {
          "name": "Brexpiprazole",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "55 Years to 90 Years"
      },
      "enrollment_count": 345,
      "start_date": "2018-05-16",
      "completion_date": "2022-06-01",
      "has_results": true,
      "last_update_posted_date": "2023-09-18",
      "last_synced_at": "2026-09-04T00:58:55.886Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03548584"
    },
    {
      "nct_id": "NCT02013609",
      "title": "Brexpiprazole (OPC-34712) as an Adjunctive Treatment in Active Adults, 18 to 35 Years Old, With Major Depressive Disorder Who Are in a School or Work Environment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "MDD"
      ],
      "interventions": [
        {
          "name": "Brexpiprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 48,
      "start_date": "2013-11",
      "completion_date": "2014-10",
      "has_results": true,
      "last_update_posted_date": "2016-03-29",
      "last_synced_at": "2026-09-04T00:58:55.886Z",
      "location_count": 24,
      "location_summary": "Cerritos, California • Costa Mesa, California • Garden Grove, California + 21 more",
      "locations": [
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02013609"
    },
    {
      "nct_id": "NCT02013622",
      "title": "Monotherapy Brexpiprazole (OPC-34712) Trial in the Treatment of Adults With Early-Episode Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Brexpiprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 49,
      "start_date": "2013-11",
      "completion_date": "2014-10",
      "has_results": true,
      "last_update_posted_date": "2016-03-29",
      "last_synced_at": "2026-09-04T00:58:55.886Z",
      "location_count": 22,
      "location_summary": "Cerritos, California • Chula Vista, California • Costa Mesa, California + 17 more",
      "locations": [
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02013622"
    },
    {
      "nct_id": "NCT00797966",
      "title": "Study of the Safety and Efficacy of OPC-34712 as Adjunctive Therapy in the Treatment of Patients With Major Depressive Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "OPC-34712",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "ADT",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 850,
      "start_date": "2009-05",
      "completion_date": "2010-07",
      "has_results": true,
      "last_update_posted_date": "2016-02-29",
      "last_synced_at": "2026-09-04T00:58:55.886Z",
      "location_count": 50,
      "location_summary": "Arcadia, California • Beverly Hills, California • Escondido, California + 43 more",
      "locations": [
        {
          "city": "Arcadia",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Escondido",
          "state": "California"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "National City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00797966"
    },
    {
      "nct_id": "NCT01360645",
      "title": "Study of the Safety and Efficacy of Fixed Dose OPC-34712 as Adjunctive Therapy in the Treatment of Adults With Major Depressive Disorder (the Pyxis Trial)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Depressive Disorder",
        "Depression",
        "Depressive Disorder, Major",
        "Mood Disorders",
        "Mental Disorders"
      ],
      "interventions": [
        {
          "name": "OPC-34712 + ADT",
          "type": "DRUG"
        },
        {
          "name": "Placebo + ADT",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 826,
      "start_date": "2011-07",
      "completion_date": "2013-06",
      "has_results": true,
      "last_update_posted_date": "2015-11-26",
      "last_synced_at": "2026-09-04T00:58:55.886Z",
      "location_count": 37,
      "location_summary": "Arcadia, California • Beverly Hills, California • Fresno, California + 34 more",
      "locations": [
        {
          "city": "Arcadia",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Oceanside",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01360645"
    },
    {
      "nct_id": "NCT03538691",
      "title": "A Trial to Evaluate the Efficacy, Safety & Tolerability of Brexpiprazole in the Maintenance Treatment of Adults With Major Depressive Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Brexpiprazole",
          "type": "DRUG"
        },
        {
          "name": "Antidepressant therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 1149,
      "start_date": "2018-07-13",
      "completion_date": "2022-07-29",
      "has_results": true,
      "last_update_posted_date": "2023-10-12",
      "last_synced_at": "2026-09-04T00:58:55.886Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03538691"
    },
    {
      "nct_id": "NCT01299454",
      "title": "A Study Evaluating the of OPC-34712 in Subjects With Normal Hepatic Function and Hepatically Impaired Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "OPC-34712",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2010-12",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2015-10-20",
      "last_synced_at": "2026-09-04T00:58:55.886Z",
      "location_count": 3,
      "location_summary": "Miami, Florida • Minneapolis, Minnesota • San Antonio, Texas",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01299454"
    },
    {
      "nct_id": "NCT01447576",
      "title": "Study of Safety & Tolerability of OPC-34712 as Adjunctive Therapy in Treatment of Adult Patients With Major Depressive Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "ADT",
          "type": "DRUG"
        },
        {
          "name": "OPC-34712",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 1036,
      "start_date": "2009-09",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2015-11-06",
      "last_synced_at": "2026-09-04T00:58:55.886Z",
      "location_count": 32,
      "location_summary": "Arcadia, California • San Diego, California • Sherman Oaks, California + 28 more",
      "locations": [
        {
          "city": "Arcadia",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Sherman Oaks",
          "state": "California"
        },
        {
          "city": "Fort Myers",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01447576"
    },
    {
      "nct_id": "NCT01289080",
      "title": "Trial Evaluating OPC-34712 in Subjects With Normal Renal Function and Renally Impaired Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Schizophrenia",
        "Psychiatric Disorders"
      ],
      "interventions": [
        {
          "name": "OPC-34712",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2011-01",
      "completion_date": "2012-01",
      "has_results": true,
      "last_update_posted_date": "2015-10-29",
      "last_synced_at": "2026-09-04T00:58:55.886Z",
      "location_count": 2,
      "location_summary": "Miami, Florida • Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01289080"
    },
    {
      "nct_id": "NCT01922258",
      "title": "Safety and Tolerability Study of Flexible Dosing of Brexpiprazole in the Treatment of Subjects With Agitation Associated With Dementia of the Alzheimer's Type",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Agitation Associated With",
        "Alzheimer's Disease",
        "Alzheimer's Type",
        "Mental Disorder",
        "Nervous System Diseases"
      ],
      "interventions": [
        {
          "name": "Brexpiprazole, OPC-34712",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "55 Years to 90 Years"
      },
      "enrollment_count": 270,
      "start_date": "2013-09",
      "completion_date": "2017-03",
      "has_results": true,
      "last_update_posted_date": "2020-11-20",
      "last_synced_at": "2026-09-04T00:58:55.886Z",
      "location_count": 28,
      "location_summary": "Imperial, California • Lakewood, California • Long Beach, California + 21 more",
      "locations": [
        {
          "city": "Imperial",
          "state": "California"
        },
        {
          "city": "Lakewood",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Panorama City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01922258"
    }
  ]
}