{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=quetiapine%2C+risperidone&page=2",
    "query": {
      "intervention": "quetiapine, risperidone",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 52,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=quetiapine%2C+risperidone&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=quetiapine%2C+risperidone&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-03T21:26:38.648Z",
  "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": "NCT02893371",
      "title": "Longitudinal Comparative Effectiveness of Bipolar Disorder Therapies",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bipolar Disorder"
      ],
      "interventions": [
        {
          "name": "Lithium Carbonate",
          "type": "DRUG"
        },
        {
          "name": "Lamotrigine",
          "type": "DRUG"
        },
        {
          "name": "Valproic Acid",
          "type": "DRUG"
        },
        {
          "name": "Oxcarbazepine",
          "type": "DRUG"
        },
        {
          "name": "Carbamazepine",
          "type": "DRUG"
        },
        {
          "name": "Ziprasidone",
          "type": "DRUG"
        },
        {
          "name": "Risperidone",
          "type": "DRUG"
        },
        {
          "name": "Quetiapine",
          "type": "DRUG"
        },
        {
          "name": "Olanzapine",
          "type": "DRUG"
        },
        {
          "name": "Aripiprazole",
          "type": "DRUG"
        },
        {
          "name": "Fluoxetine / Olanzapine",
          "type": "DRUG"
        },
        {
          "name": "Haloperidol",
          "type": "DRUG"
        },
        {
          "name": "Perphenazine",
          "type": "DRUG"
        },
        {
          "name": "Clozapine",
          "type": "DRUG"
        },
        {
          "name": "Asenapine",
          "type": "DRUG"
        },
        {
          "name": "Lurasidone",
          "type": "DRUG"
        },
        {
          "name": "Paliperidone",
          "type": "DRUG"
        },
        {
          "name": "Mirtazapine",
          "type": "DRUG"
        },
        {
          "name": "Bupropion",
          "type": "DRUG"
        },
        {
          "name": "Desvenlafaxine",
          "type": "DRUG"
        },
        {
          "name": "Duloxetine",
          "type": "DRUG"
        },
        {
          "name": "Venlafaxine",
          "type": "DRUG"
        },
        {
          "name": "Citalopram",
          "type": "DRUG"
        },
        {
          "name": "Escitalopram",
          "type": "DRUG"
        },
        {
          "name": "Fluoxetine",
          "type": "DRUG"
        },
        {
          "name": "Fluvoxamine",
          "type": "DRUG"
        },
        {
          "name": "Paroxetine",
          "type": "DRUG"
        },
        {
          "name": "Sertraline",
          "type": "DRUG"
        },
        {
          "name": "Vilazodone",
          "type": "DRUG"
        },
        {
          "name": "Doxepin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1037352,
      "start_date": "2016-09",
      "completion_date": "2019-06-30",
      "has_results": false,
      "last_update_posted_date": "2024-03-12",
      "last_synced_at": "2026-10-03T21:26:38.648Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02893371"
    },
    {
      "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": "2026-10-03T21:26:38.648Z",
      "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": "NCT00255879",
      "title": "Movement Disorders Caused by Antipsychotic Drugs in Older Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Dyskinesia, Drug-Induced"
      ],
      "interventions": [
        {
          "name": "Quetiapine",
          "type": "DRUG"
        },
        {
          "name": "Risperidone",
          "type": "DRUG"
        },
        {
          "name": "Olanzapine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 250,
      "start_date": "1999-01",
      "completion_date": "2004-08",
      "has_results": false,
      "last_update_posted_date": "2013-06-06",
      "last_synced_at": "2026-10-03T21:26:38.648Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00255879"
    },
    {
      "nct_id": "NCT00222495",
      "title": "A Comparative Study of New Medications for Psychosis in Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Psychotic Disorders",
        "Schizophrenia",
        "Schizophreniform Disorders",
        "Schizoaffective Disorders"
      ],
      "interventions": [
        {
          "name": "quetiapine",
          "type": "DRUG"
        },
        {
          "name": "olanzapine",
          "type": "DRUG"
        },
        {
          "name": "risperidone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 30,
      "start_date": "2002-08",
      "completion_date": "2006-08",
      "has_results": false,
      "last_update_posted_date": "2006-09-11",
      "last_synced_at": "2026-10-03T21:26:38.648Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00222495"
    },
    {
      "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": "2026-10-03T21:26:38.648Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01231074"
    },
    {
      "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": "2026-10-03T21:26:38.648Z",
      "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": "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": "2026-10-03T21:26:38.648Z",
      "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": "NCT00161018",
      "title": "New Antipsychotic Strategies: Quetiapine and Risperidone vs. Fluphenazine in Treatment Resistant Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Quetiapine, Risperidone, Fluphenazine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 150,
      "start_date": "2003-11",
      "completion_date": "2004-11",
      "has_results": false,
      "last_update_posted_date": "2019-08-19",
      "last_synced_at": "2026-10-03T21:26:38.648Z",
      "location_count": 1,
      "location_summary": "Catonsville, Maryland",
      "locations": [
        {
          "city": "Catonsville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00161018"
    },
    {
      "nct_id": "NCT01272752",
      "title": "Anti-psychotic Medication (New Use) Weight Loss Study",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "IHBG-10",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Avera McKennan Hospital & University Health Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2013-04",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2012-06-01",
      "last_synced_at": "2026-10-03T21:26:38.648Z",
      "location_count": 1,
      "location_summary": "Sioux Falls, South Dakota",
      "locations": [
        {
          "city": "Sioux Falls",
          "state": "South Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01272752"
    },
    {
      "nct_id": "NCT01246765",
      "title": "National Pregnancy Registry for Psychiatric Medications",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pregnant Women",
        "Psychotropic Drugs"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 5000,
      "start_date": "2008-11",
      "completion_date": "2033-12",
      "has_results": false,
      "last_update_posted_date": "2025-10-24",
      "last_synced_at": "2026-10-03T21:26:38.648Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01246765"
    }
  ]
}