{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=quetiapine&page=3",
    "query": {
      "intervention": "quetiapine",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 203,
    "total_pages": 21,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=quetiapine&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=quetiapine&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T08:53:23.639Z",
  "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": "NCT00457197",
      "title": "Quetiapine for Bipolar Disorder and Alcohol Dependence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Bipolar Disorder",
        "Alcohol Dependence"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Quetiapine",
          "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": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 90,
      "start_date": "2007-03",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2025-07-25",
      "last_synced_at": "2026-10-17T08:53:23.639Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00457197"
    },
    {
      "nct_id": "NCT00893841",
      "title": "Bipolar Study of Seroquel XR With Pramipexole Dihydrochloride",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bipolar Depression"
      ],
      "interventions": [
        {
          "name": "quetiapine (Seroquel) XR",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "pramipexole dihydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dr. D McIntosh & Dr. K Kjernisted Clinical Research Inc.",
      "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": 96,
      "start_date": "2009-02",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2013-02-04",
      "last_synced_at": "2026-10-17T08:53:23.639Z",
      "location_count": 2,
      "location_summary": "San Diego, California • Kirkland, Washington",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Kirkland",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00893841"
    },
    {
      "nct_id": "NCT00617396",
      "title": "Open Label Seroquel (Quetiapine) Study for Treatment Resistant Functional Bowel Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Functional Bowel Disorders"
      ],
      "interventions": [
        {
          "name": "Quetiapine (50 mg/day-100mg/day)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "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": 25,
      "start_date": "2008-02",
      "completion_date": "2012-05",
      "has_results": true,
      "last_update_posted_date": "2017-09-15",
      "last_synced_at": "2026-10-17T08:53:23.639Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00617396"
    },
    {
      "nct_id": "NCT00619892",
      "title": "A Study of Quetiapine SR (Seroquel SR) to Treat SSRI-Resistant, Comorbid Panic Disorder Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Panic Disorder"
      ],
      "interventions": [
        {
          "name": "quetiapine XR",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indiana University",
      "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": 26,
      "start_date": "2008-02",
      "completion_date": "2011-12",
      "has_results": true,
      "last_update_posted_date": "2016-01-21",
      "last_synced_at": "2026-10-17T08:53:23.639Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00619892"
    },
    {
      "nct_id": "NCT00439634",
      "title": "Efficacy and Safety of AVE1625 as a Co-treatment With Antipsychotic Therapy in Schizophrenia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "AVE1625",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "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": 873,
      "start_date": "2007-02",
      "completion_date": "2009-09",
      "has_results": false,
      "last_update_posted_date": "2016-05-18",
      "last_synced_at": "2026-10-17T08:53:23.639Z",
      "location_count": 1,
      "location_summary": "Bridgewater, New Jersey",
      "locations": [
        {
          "city": "Bridgewater",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00439634"
    },
    {
      "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": "2026-10-17T08:53:23.639Z",
      "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": "NCT00609193",
      "title": "Functional and Neurochemical Brain Changes in First-episode Bipolar Mania",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bipolar Disorder"
      ],
      "interventions": [
        {
          "name": "lithium",
          "type": "DRUG"
        },
        {
          "name": "quetiapine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "12 Years to 35 Years"
      },
      "enrollment_count": 81,
      "start_date": "2008-01",
      "completion_date": "2015-07",
      "has_results": false,
      "last_update_posted_date": "2015-12-07",
      "last_synced_at": "2026-10-17T08:53:23.639Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00609193"
    },
    {
      "nct_id": "NCT01727726",
      "title": "A Study of Flexible-dose Brexpiprazole as Adjunctive Therapy in the Treatment of Adults With Major Depressive Disorder, the Delphinus Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Depressive Disorder",
        "Depression",
        "Depressive Disorder, Major",
        "Mood Disorders",
        "Mental Disorders"
      ],
      "interventions": [
        {
          "name": "Brexpiprazole",
          "type": "DRUG"
        },
        {
          "name": "Seroquel XR",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "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": 2182,
      "start_date": "2012-12",
      "completion_date": "2016-11-10",
      "has_results": true,
      "last_update_posted_date": "2018-06-08",
      "last_synced_at": "2026-10-17T08:53:23.639Z",
      "location_count": 44,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 39 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Bellflower",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01727726"
    },
    {
      "nct_id": "NCT00149734",
      "title": "Addition of Ondansetron to Ongoing Antipsychotic Treatment for Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Ondansetron followed by placebo",
          "type": "DRUG"
        },
        {
          "name": "Placebo followed by Ondansetron",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 8,
      "start_date": "2005-01",
      "completion_date": "2010-05",
      "has_results": true,
      "last_update_posted_date": "2021-08-13",
      "last_synced_at": "2026-10-17T08:53:23.639Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00149734"
    },
    {
      "nct_id": "NCT00292370",
      "title": "Quetiapine Augmentation for Treatment-resistant PTSD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Combat Disorders",
        "Stress Disorders, Post-Traumatic"
      ],
      "interventions": [
        {
          "name": "Open Label (OL) Paroxetine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Quetiapine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 124,
      "start_date": "2006-01",
      "completion_date": "2009-05",
      "has_results": true,
      "last_update_posted_date": "2019-10-16",
      "last_synced_at": "2026-10-17T08:53:23.639Z",
      "location_count": 3,
      "location_summary": "Birmingham, Alabama • Tuscaloosa, Alabama • Charleston, South Carolina",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00292370"
    }
  ]
}