{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=risperidone%2C+olanzapine%2C+quetiapine%2C+ziprasidone%2C+and%2For+aripiprazole",
    "query": {
      "intervention": "risperidone, olanzapine, quetiapine, ziprasidone, and/or aripiprazole"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 9,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T03:27:25.950Z",
  "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": "NCT02600741",
      "title": "Family Intervention in Recent Onset Schizophrenia Treatment (FIRST)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Caregiver psycho-education and skills training",
          "type": "OTHER"
        },
        {
          "name": "Caregiver support available at the study site",
          "type": "OTHER"
        },
        {
          "name": "Paliperidone palmitate",
          "type": "DRUG"
        },
        {
          "name": "Chlorpromazine",
          "type": "DRUG"
        },
        {
          "name": "Droperidol",
          "type": "DRUG"
        },
        {
          "name": "Fluphenazine",
          "type": "DRUG"
        },
        {
          "name": "Haloperidol",
          "type": "DRUG"
        },
        {
          "name": "Loxapine",
          "type": "DRUG"
        },
        {
          "name": "Perphenazine",
          "type": "DRUG"
        },
        {
          "name": "Pimozide",
          "type": "DRUG"
        },
        {
          "name": "Prochlorperazine",
          "type": "DRUG"
        },
        {
          "name": "Thiothixene",
          "type": "DRUG"
        },
        {
          "name": "Thioridazine",
          "type": "DRUG"
        },
        {
          "name": "Trifluoperazine",
          "type": "DRUG"
        },
        {
          "name": "Aripiprazole",
          "type": "DRUG"
        },
        {
          "name": "Asenapine",
          "type": "DRUG"
        },
        {
          "name": "Clozapine",
          "type": "DRUG"
        },
        {
          "name": "Iloperidone",
          "type": "DRUG"
        },
        {
          "name": "Olanzapine",
          "type": "DRUG"
        },
        {
          "name": "Paliperidone",
          "type": "DRUG"
        },
        {
          "name": "Quetiapine",
          "type": "DRUG"
        },
        {
          "name": "Risperidone",
          "type": "DRUG"
        },
        {
          "name": "Ziprasidone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Janssen Scientific Affairs, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 296,
      "start_date": "2015-07-24",
      "completion_date": "2018-07-05",
      "has_results": false,
      "last_update_posted_date": "2019-01-23",
      "last_synced_at": "2026-10-11T03:27:25.950Z",
      "location_count": 34,
      "location_summary": "Bullhead City, Arizona • Oceanside, California • Denver, Colorado + 31 more",
      "locations": [
        {
          "city": "Bullhead City",
          "state": "Arizona"
        },
        {
          "city": "Oceanside",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Farmington",
          "state": "Connecticut"
        },
        {
          "city": "Lauderdale Lakes",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02600741"
    },
    {
      "nct_id": "NCT00177164",
      "title": "Risperdal Consta for Bipolar Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Bipolar I Disorder"
      ],
      "interventions": [
        {
          "name": "Injectable Risperidone (Consta) or oral antipsychotic",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 50,
      "start_date": "2003-11",
      "completion_date": "2009-12",
      "has_results": true,
      "last_update_posted_date": "2016-04-19",
      "last_synced_at": "2026-10-11T03:27:25.950Z",
      "location_count": 4,
      "location_summary": "Bridgeville, Pennsylvania • DuBois, Pennsylvania • McKeesport, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Bridgeville",
          "state": "Pennsylvania"
        },
        {
          "city": "DuBois",
          "state": "Pennsylvania"
        },
        {
          "city": "McKeesport",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00177164"
    },
    {
      "nct_id": "NCT01231074",
      "title": "Reducing Antipsychotic-Induced Weight Gain in Children With Metformin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Obesity",
        "Weight Gain",
        "Psychotropic Induced Weight Gain"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "10 Years to 17 Years"
      },
      "enrollment_count": 96,
      "start_date": "2010-02",
      "completion_date": "2013-05",
      "has_results": false,
      "last_update_posted_date": "2019-01-02",
      "last_synced_at": "2026-10-11T03:27:25.950Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01231074"
    },
    {
      "nct_id": "NCT00347425",
      "title": "Switch Study of Existing Atypical Antipsychotics to Bifeprunox",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Schizophrenia and Schizoaffective Disorder"
      ],
      "interventions": [
        {
          "name": "Aripiprazole",
          "type": "DRUG"
        },
        {
          "name": "Olanzapine",
          "type": "DRUG"
        },
        {
          "name": "Risperidone",
          "type": "DRUG"
        },
        {
          "name": "Quetiapine",
          "type": "DRUG"
        },
        {
          "name": "Ziprasidone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Solvay Pharmaceuticals",
      "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": 286,
      "start_date": "2006-12",
      "completion_date": "2008-02",
      "has_results": false,
      "last_update_posted_date": "2008-05-21",
      "last_synced_at": "2026-10-11T03:27:25.950Z",
      "location_count": 63,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Anaheim, California + 54 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Cerritos",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00347425"
    },
    {
      "nct_id": "NCT06049953",
      "title": "Maternal And Infant Antipsychotic Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Antipsychotics",
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Antipsychotics",
          "type": "DRUG"
        },
        {
          "name": "Non-antipsychotic medication",
          "type": "DRUG"
        },
        {
          "name": "No Medication",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 74,
      "start_date": "2023-09-29",
      "completion_date": "2028-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-22",
      "last_synced_at": "2026-10-11T03:27:25.950Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06049953"
    },
    {
      "nct_id": "NCT00509067",
      "title": "Use of Galantamine and CDP-choline (Citicoline) to Treat Adults With Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Galantamine",
          "type": "DRUG"
        },
        {
          "name": "CDP-choline",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "risperidone, olanzapine, quetiapine, ziprasidone, and/or aripiprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Georgetown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 43,
      "start_date": "2007-11",
      "completion_date": "2011-03",
      "has_results": true,
      "last_update_posted_date": "2018-04-11",
      "last_synced_at": "2026-10-11T03:27:25.950Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00509067"
    },
    {
      "nct_id": "NCT03557931",
      "title": "A Study to Assess the Safety and Efficacy of ASP4345 as Add-on Treatment for Cognitive Impairment in Subjects With Schizophrenia on Stable Doses of Antipsychotic Medication",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "ASP4345",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "risperidone",
          "type": "DRUG"
        },
        {
          "name": "quetiapine",
          "type": "DRUG"
        },
        {
          "name": "olanzapine",
          "type": "DRUG"
        },
        {
          "name": "ziprasidone",
          "type": "DRUG"
        },
        {
          "name": "aripiprazole",
          "type": "DRUG"
        },
        {
          "name": "brexpiprazole",
          "type": "DRUG"
        },
        {
          "name": "paliperidone",
          "type": "DRUG"
        },
        {
          "name": "lurasidone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Global Development, 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": 233,
      "start_date": "2018-07-13",
      "completion_date": "2019-10-21",
      "has_results": true,
      "last_update_posted_date": "2024-11-12",
      "last_synced_at": "2026-10-11T03:27:25.950Z",
      "location_count": 27,
      "location_summary": "Cerritos, California • Garden Grove, California • Lemon Grove, California + 19 more",
      "locations": [
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Lemon Grove",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Pico Rivera",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03557931"
    },
    {
      "nct_id": "NCT02237417",
      "title": "Impact of Aripiprazole Once Monthly Medications on Changes in Brain Structure and Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Standard of Care Oral antipsychotics",
          "type": "DRUG"
        },
        {
          "name": "IM aripiprazole once monthly",
          "type": "DRUG"
        },
        {
          "name": "No Treatment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 47,
      "start_date": "2014-09-01",
      "completion_date": "2020-07-30",
      "has_results": true,
      "last_update_posted_date": "2025-03-14",
      "last_synced_at": "2026-10-11T03:27:25.950Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02237417"
    },
    {
      "nct_id": "NCT00806234",
      "title": "Reducing Weight Gain and Improving Metabolic Function in Children Being Treated With Antipsychotics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Psychotic Disorders"
      ],
      "interventions": [
        {
          "name": "Aripiprazole or Perphenazine",
          "type": "DRUG"
        },
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Olanzapine, quetiapine, risperidone, ziprasidone, aripiprazole, asenapine, iloperidone, lurasidone, paliperidone, or olanzapine/fluoxetine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "8 Years to 19 Years"
      },
      "enrollment_count": 127,
      "start_date": "2009-01",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2017-04-25",
      "last_synced_at": "2026-10-11T03:27:25.950Z",
      "location_count": 4,
      "location_summary": "Baltimore, Maryland • Glen Oaks, New York • Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Glen Oaks",
          "state": "New York"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00806234"
    }
  ]
}