{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=OPDC-34712",
    "query": {
      "intervention": "OPDC-34712"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T00:44:50.572Z",
  "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": "NCT02968121",
      "title": "Safety and Tolerability Study of Single-dose Administration of Brexpiprazole in Adult Subjects With Schizophrenia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Brexpiprazole, OPDC-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": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 22,
      "start_date": "2017-01",
      "completion_date": "2017-12-14",
      "has_results": false,
      "last_update_posted_date": "2018-01-12",
      "last_synced_at": "2026-09-05T00:44:50.572Z",
      "location_count": 2,
      "location_summary": "Garden Grove, California • San Diego, California",
      "locations": [
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02968121"
    },
    {
      "nct_id": "NCT01074294",
      "title": "Study of the Safety and Efficacy of OPC-34712 as a Complementary Therapy in the Treatment of Adult Attention Deficit/Hyperactivity Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "OPDC-34712",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Stimulant 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": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 740,
      "start_date": "2010-03-16",
      "completion_date": "2011-06-20",
      "has_results": true,
      "last_update_posted_date": "2023-02-02",
      "last_synced_at": "2026-09-05T00:44:50.572Z",
      "location_count": 35,
      "location_summary": "Little Rock, Arkansas • Beverly Hills, California • Irvine, California + 32 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01074294"
    },
    {
      "nct_id": "NCT01649557",
      "title": "Multicenter, Open-label, Safety and Tolerability Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "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": "67 Years",
        "sex": "ALL",
        "summary": "18 Years to 67 Years"
      },
      "enrollment_count": 244,
      "start_date": "2009-08",
      "completion_date": "2011-09",
      "has_results": true,
      "last_update_posted_date": "2015-10-29",
      "last_synced_at": "2026-09-05T00:44:50.572Z",
      "location_count": 16,
      "location_summary": "Little Rock, Arkansas • Escondido, California • Garden Grove, California + 12 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Escondido",
          "state": "California"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Oceanside",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01649557"
    },
    {
      "nct_id": "NCT01052077",
      "title": "Study of the Safety and Efficacy of OPC-34712 as Adjunctive Therapy in the Treatment of Adults 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": 773,
      "start_date": "2010-03",
      "completion_date": "2011-11",
      "has_results": true,
      "last_update_posted_date": "2015-11-02",
      "last_synced_at": "2026-09-05T00:44:50.572Z",
      "location_count": 43,
      "location_summary": "Birmingham, Alabama • Arcadia, California • Beverly Hills, California + 39 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Arcadia",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Oceanside",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01052077"
    },
    {
      "nct_id": "NCT01360632",
      "title": "Study of the Safety and Efficacy of Two Fixed Doses of OPC-34712 as Adjunctive Therapy in the Treatment of Adults With Major Depressive Disorder (the Polaris 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": 1539,
      "start_date": "2011-06",
      "completion_date": "2013-09",
      "has_results": true,
      "last_update_posted_date": "2016-01-01",
      "last_synced_at": "2026-09-05T00:44:50.572Z",
      "location_count": 52,
      "location_summary": "Birmingham, Alabama • Costa Mesa, California • Glendale, California + 49 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01360632"
    }
  ]
}