{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Quetiapine+fumarate",
    "query": {
      "intervention": "Quetiapine fumarate"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 158,
    "total_pages": 16,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Quetiapine+fumarate&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T09:44:59.442Z",
  "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": "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": "2026-09-26T09:44:59.442Z",
      "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"
    },
    {
      "nct_id": "NCT00631748",
      "title": "Quetiapine for the Reduction of Cocaine Use",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cocaine Dependence",
        "Cocaine Abuse",
        "Cocaine Addiction",
        "Drug Abuse",
        "Substance Abuse"
      ],
      "interventions": [
        {
          "name": "quetiapine fumarate",
          "type": "DRUG"
        },
        {
          "name": "Matched Placebo",
          "type": "DRUG"
        },
        {
          "name": "Cognitive-behavioral Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Seattle Institute for Biomedical and Clinical Research",
      "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": 60,
      "start_date": "2008-02",
      "completion_date": "2010-07",
      "has_results": true,
      "last_update_posted_date": "2014-03-31",
      "last_synced_at": "2026-09-26T09:44:59.442Z",
      "location_count": 1,
      "location_summary": "Tacoma, Washington",
      "locations": [
        {
          "city": "Tacoma",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00631748"
    },
    {
      "nct_id": "NCT00223210",
      "title": "An Add-On Trial of Quetiapine in Patients With Bipolar Disorder and Cocaine Dependence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Bipolar Disorder",
        "Cocaine Dependence"
      ],
      "interventions": [
        {
          "name": "Quetiapine",
          "type": "DRUG"
        },
        {
          "name": "PLacebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 100,
      "start_date": "2005-11",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2012-08-20",
      "last_synced_at": "2026-09-26T09:44:59.442Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00223210"
    },
    {
      "nct_id": "NCT01588457",
      "title": "Sequential Multiple Assignment Treatment for Bipolar Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Bipolar I Disorder",
        "Bipolar II Disorder"
      ],
      "interventions": [
        {
          "name": "Lithium",
          "type": "DRUG"
        },
        {
          "name": "Divalproex",
          "type": "DRUG"
        },
        {
          "name": "Lamotrigine",
          "type": "DRUG"
        },
        {
          "name": "Quetiapine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "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": 112,
      "start_date": "2011-06",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2020-08-19",
      "last_synced_at": "2026-09-26T09:44:59.442Z",
      "location_count": 2,
      "location_summary": "Cleveland, Ohio • San Antonio, Texas",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01588457"
    },
    {
      "nct_id": "NCT00206128",
      "title": "Immediate Release (IR) to Sustained Release (SR) Switching Study: Study of Switching From IR Seroquel to SR Seroquel in Outpatients With Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Seroquel SR",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "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": 454,
      "start_date": "2004-11",
      "completion_date": "2006-02",
      "has_results": false,
      "last_update_posted_date": "2013-01-04",
      "last_synced_at": "2026-09-26T09:44:59.442Z",
      "location_count": 18,
      "location_summary": "Birmingham, Alabama • Anaheim, California • Cerritos, California + 15 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "National City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00206128"
    },
    {
      "nct_id": "NCT00811473",
      "title": "Pediatric Bipolar Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Bipolar Depression"
      ],
      "interventions": [
        {
          "name": "Quetiapine XR",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "10 Years to 17 Years"
      },
      "enrollment_count": 193,
      "start_date": "2009-01",
      "completion_date": "2010-11",
      "has_results": true,
      "last_update_posted_date": "2014-07-15",
      "last_synced_at": "2026-09-26T09:44:59.442Z",
      "location_count": 31,
      "location_summary": "Dothan, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 28 more",
      "locations": [
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Escondido",
          "state": "California"
        },
        {
          "city": "Bradenton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00811473"
    },
    {
      "nct_id": "NCT02087579",
      "title": "Parallel Group, Multiple Dose Pharmacokinetics Study of Five Antipsychotic Medications in Psychiatric Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Psychotic Disorders",
        "Schizophrenia",
        "Bipolar Disorder",
        "Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Aripiprazole, oral formulation",
          "type": "DRUG"
        },
        {
          "name": "Olanzapine, oral formulation",
          "type": "DRUG"
        },
        {
          "name": "Paliperidone, oral formulation",
          "type": "DRUG"
        },
        {
          "name": "Paliperidone, LAI",
          "type": "DRUG"
        },
        {
          "name": "Quetiapine, oral formulation",
          "type": "DRUG"
        },
        {
          "name": "Risperidone, oral formulation",
          "type": "DRUG"
        },
        {
          "name": "Risperidone, LAI",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 305,
      "start_date": "2014-02",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2015-10-29",
      "last_synced_at": "2026-09-26T09:44:59.442Z",
      "location_count": 6,
      "location_summary": "Garden Grove, California • Kissimmee, Florida • Atlanta, Georgia + 3 more",
      "locations": [
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Kissimmee",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Hoffman Estates",
          "state": "Illinois"
        },
        {
          "city": "Cedarhurst",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02087579"
    },
    {
      "nct_id": "NCT00122070",
      "title": "Quetiapine Treatment for Symptoms Associated With Borderline Personality Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Borderline Personality Disorder"
      ],
      "interventions": [
        {
          "name": "Quetiapine Fumarate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Medicine and Dentistry of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 15,
      "start_date": "2005-05",
      "completion_date": "2008-05",
      "has_results": false,
      "last_update_posted_date": "2008-06-10",
      "last_synced_at": "2026-09-26T09:44:59.442Z",
      "location_count": 1,
      "location_summary": "Cherry Hill, New Jersey",
      "locations": [
        {
          "city": "Cherry Hill",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00122070"
    },
    {
      "nct_id": "NCT00498628",
      "title": "Study of the Effectiveness of Quetiapine for the Treatment of Alcohol Dependency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alcoholism",
        "Alcohol Abuse"
      ],
      "interventions": [
        {
          "name": "Quetiapine fumarate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Institute on Alcohol Abuse and Alcoholism (NIAAA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 224,
      "start_date": "2007-12",
      "completion_date": "2010-03",
      "has_results": true,
      "last_update_posted_date": "2019-03-19",
      "last_synced_at": "2026-09-26T09:44:59.442Z",
      "location_count": 7,
      "location_summary": "Boston, Massachusetts • Lebanon, New Hampshire • Philadelphia, Pennsylvania + 4 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        },
        {
          "city": "White River Junction",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00498628"
    },
    {
      "nct_id": "NCT00061802",
      "title": "Efficacy and Safety of Two Atypical Antipsychotics vs. Placebo in Patients With an Acute Exacerbation of Either Schizophrenia or Schizoaffective Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Schizophrenia",
        "Schizoaffective Disorder"
      ],
      "interventions": [
        {
          "name": "risperidone, quetiapine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johnson & Johnson Pharmaceutical Research & Development, L.L.C.",
      "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": 225,
      "start_date": "2003-06",
      "completion_date": "2004-02",
      "has_results": false,
      "last_update_posted_date": "2012-02-07",
      "last_synced_at": "2026-09-26T09:44:59.442Z",
      "location_count": 7,
      "location_summary": "San Diego, California • Hoffman Est, Illinois • Lake Charles, Louisiana + 4 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Hoffman Est",
          "state": "Illinois"
        },
        {
          "city": "Lake Charles",
          "state": "Louisiana"
        },
        {
          "city": "Jackson",
          "state": "Mississippi"
        },
        {
          "city": "Visakhapatnam",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00061802"
    }
  ]
}