{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=quetiapine+XR&page=2",
    "query": {
      "intervention": "quetiapine XR",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 38,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=quetiapine+XR&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=quetiapine+XR&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T16:29:40.618Z",
  "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": "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": "2026-10-07T16:29:40.618Z",
      "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": "NCT00790192",
      "title": "Lurasidone HCL - A 6-week Phase 3 Study of Patients With Acute Schizophrenia.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Lurasidone",
          "type": "DRUG"
        },
        {
          "name": "Quetiapine XR",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sumitomo Pharma America, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 488,
      "start_date": "2008-10",
      "completion_date": "2010-07",
      "has_results": true,
      "last_update_posted_date": "2016-03-17",
      "last_synced_at": "2026-10-07T16:29:40.618Z",
      "location_count": 29,
      "location_summary": "Little Rock, Arkansas • Cerritos, California • Costa Mesa, California + 23 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00790192"
    },
    {
      "nct_id": "NCT00955474",
      "title": "Seroquel Alone Versus Seroquel With an SSRI for Depression With Psychotic Symptoms",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Major Depressive Disorder With Psychotic Features"
      ],
      "interventions": [
        {
          "name": "Quetiapine",
          "type": "DRUG"
        },
        {
          "name": "escitalopram",
          "type": "DRUG"
        },
        {
          "name": "Sertraline",
          "type": "DRUG"
        },
        {
          "name": "Citalopram",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 32,
      "start_date": "2008-09",
      "completion_date": "2013-01",
      "has_results": true,
      "last_update_posted_date": "2017-04-20",
      "last_synced_at": "2026-10-07T16:29:40.618Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00955474"
    },
    {
      "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": "2026-10-07T16:29:40.618Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01231074"
    },
    {
      "nct_id": "NCT03321526",
      "title": "A Study to Compare the Efficacy, Safety, and Tolerability of JNJ-42847922 Versus Quetiapine Extended-Release as Adjunctive Therapy to Antidepressants in Adult Participants With Major Depressive Disorder Who Have Responded Inadequately to Antidepressant Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Depressive Disorder, Major"
      ],
      "interventions": [
        {
          "name": "JNJ-42847922",
          "type": "DRUG"
        },
        {
          "name": "Placebo Matching to JNJ-42847922",
          "type": "DRUG"
        },
        {
          "name": "Quetiapine XR",
          "type": "DRUG"
        },
        {
          "name": "Placebo Matching to Quetiapine XR",
          "type": "DRUG"
        },
        {
          "name": "Selective Serotonin Reuptake Inhibitor (SSRI)",
          "type": "DRUG"
        },
        {
          "name": "Serotonin-Norepinephrine Reuptake Inhibitor (SNRI)",
          "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": 107,
      "start_date": "2017-12-12",
      "completion_date": "2019-06-27",
      "has_results": true,
      "last_update_posted_date": "2025-04-29",
      "last_synced_at": "2026-10-07T16:29:40.618Z",
      "location_count": 50,
      "location_summary": "Phoenix, Arizona • Tempe, Arizona • Rogers, Arkansas + 41 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03321526"
    },
    {
      "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": "2026-10-07T16:29:40.618Z",
      "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": "NCT00746421",
      "title": "Quetiapine XR for Cognitive and Functional Disability in Clinically Stable Patients With Bipolar Disorder",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Bipolar Disorder",
        "Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Quetiapine XR",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory 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": 32,
      "start_date": "2010-01",
      "completion_date": "2012-04",
      "has_results": true,
      "last_update_posted_date": "2014-04-17",
      "last_synced_at": "2026-10-07T16:29:40.618Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia • Durham, North Carolina",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00746421"
    },
    {
      "nct_id": "NCT01200901",
      "title": "Quetiapine in Melancholic Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Depression",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Quetiapine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 20,
      "start_date": "2008-09",
      "completion_date": "2012-09",
      "has_results": false,
      "last_update_posted_date": "2013-01-18",
      "last_synced_at": "2026-10-07T16:29:40.618Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01200901"
    },
    {
      "nct_id": "NCT00671853",
      "title": "Quetiapine Extended Release (XR) in Bipolar Patients With Comorbid Generalized Anxiety Disorder (GAD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Bipolar Disorder",
        "Anxiety",
        "Anxiety Disorders",
        "Substance Use Disorders"
      ],
      "interventions": [
        {
          "name": "Quetiapine XR",
          "type": "DRUG"
        },
        {
          "name": "Placebo for quetiapine XR",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University Hospitals Cleveland 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": 120,
      "start_date": "2008-04",
      "completion_date": "2011-03",
      "has_results": true,
      "last_update_posted_date": "2016-12-29",
      "last_synced_at": "2026-10-07T16:29:40.618Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00671853"
    },
    {
      "nct_id": "NCT00868374",
      "title": "Quetiapine Extended Release (XR) Treatment of Major Depressive Disorder With Comorbid Generalized Anxiety Disorder",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Major Depressive Disorder",
        "Generalized Anxiety Disorder"
      ],
      "interventions": [
        {
          "name": "Quetiapine XR",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Keming Gao",
      "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": 23,
      "start_date": "2008-06",
      "completion_date": "2011-10",
      "has_results": true,
      "last_update_posted_date": "2016-12-29",
      "last_synced_at": "2026-10-07T16:29:40.618Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00868374"
    }
  ]
}