{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=quetiapine+fumarate+%28Seroquel%29&page=3", "query": { "intervention": "quetiapine fumarate (Seroquel)", "page": 3 }, "page_size": 10 }, "pagination": { "page": 3, "page_size": 10, "total_count": 157, "total_pages": 16, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=quetiapine+fumarate+%28Seroquel%29&page=4&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=quetiapine+fumarate+%28Seroquel%29&page=2&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-13T06:47:23.698Z", "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": "NCT00422214", "title": "Phase III/Seroquel SR Bipolar Depression Monotherapy - US", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Affective Psychosis, Bipolar", "Depression, Bipolar", "Manic-Depressive Psychosis", "Psychoses, Manic-Depressive" ], "interventions": [ { "name": "Quetiapine fumarate (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": 400, "start_date": "2006-12", "completion_date": "2007-06", "has_results": false, "last_update_posted_date": "2009-03-25", "last_synced_at": "2026-10-13T06:47:23.698Z", "location_count": 54, "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 51 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Scottsdale", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Cerritos", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00422214" }, { "nct_id": "NCT00743366", "title": "Effect of Quetiapine on Marijuana Withdrawal and Relapse", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Marijuana Smoking" ], "interventions": [ { "name": "Marijuana", "type": "DRUG" }, { "name": "Quetiapine", "type": "DRUG" }, { "name": "Placebo oral capsule", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "New York State Psychiatric Institute", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "21 Years", "maximum_age": "45 Years", "sex": "ALL", "summary": "21 Years to 45 Years" }, "enrollment_count": 20, "start_date": "2008-08", "completion_date": "2009-03", "has_results": true, "last_update_posted_date": "2017-08-18", "last_synced_at": "2026-10-13T06:47:23.698Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT00743366" }, { "nct_id": "NCT00550394", "title": "Efficacy and Tolerability of Topiramate in Treatment of Bipolar Mania and Alcohol Use in Adolescents and Young Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Bipolar Disorder", "Alcohol Abuse" ], "interventions": [ { "name": "quetiapine and placebo", "type": "DRUG" }, { "name": "Quetiapine and Topiramate", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of Cincinnati", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": "25 Years", "sex": "ALL", "summary": "12 Years to 25 Years" }, "enrollment_count": 56, "start_date": "2008-04", "completion_date": "2010-06", "has_results": true, "last_update_posted_date": "2017-05-23", "last_synced_at": "2026-10-13T06:47:23.698Z", "location_count": 1, "location_summary": "Cincinnati, Ohio", "locations": [ { "city": "Cincinnati", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT00550394" }, { "nct_id": "NCT00090311", "title": "Quetiapine Fumarate (SEROQUEL) Compared to Placebo in the Treatment of Children & Adolescents With Bipolar I Mania", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Bipolar Disorder" ], "interventions": [ { "name": "quetiapine fumarate", "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": 220, "start_date": "2004-07", "completion_date": "2006-07", "has_results": false, "last_update_posted_date": "2013-01-04", "last_synced_at": "2026-10-13T06:47:23.698Z", "location_count": 32, "location_summary": "Scottsdale, Arizona • Riverside, California • Sacramento, California + 29 more", "locations": [ { "city": "Scottsdale", "state": "Arizona" }, { "city": "Riverside", "state": "California" }, { "city": "Sacramento", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "Denver", "state": "Colorado" } ], "official_url": "https://clinicaltrials.gov/study/NCT00090311" }, { "nct_id": "NCT00329446", "title": "Safety & Efficacy Study of Quetiapine Fumarate (SEROQUEL®) vs. Placebo & Active Control in Generalized Anxiety Disorder", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Generalized Anxiety Disorder" ], "interventions": [ { "name": "Quetiapine Fumarate", "type": "DRUG" }, { "name": "Escitalopram oxylate", "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": 800, "start_date": "2006-04", "completion_date": "2007-09", "has_results": false, "last_update_posted_date": "2009-03-25", "last_synced_at": "2026-10-13T06:47:23.698Z", "location_count": 63, "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 60 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Scottsdale", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Beverly Hills", "state": "California" }, { "city": "Burbank", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00329446" }, { "nct_id": "NCT00156715", "title": "Efficacy of Quetiapine in the Treatment of Patients With Schizophrenia and a Comorbid Substance Use Disorder", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Schizophrenia", "Schizoaffective Disorder", "Psychotic Disorder", "Substance Abuse", "Alcohol Abuse" ], "interventions": [ { "name": "Quetiapine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Dartmouth-Hitchcock 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": 23, "start_date": "2004-03", "completion_date": "2008-10", "has_results": true, "last_update_posted_date": "2018-03-14", "last_synced_at": "2026-10-13T06:47:23.698Z", "location_count": 4, "location_summary": "Augusta, Georgia • Lebanon, New Hampshire • Manchester, New Hampshire", "locations": [ { "city": "Augusta", "state": "Georgia" }, { "city": "Lebanon", "state": "New Hampshire" }, { "city": "Lebanon", "state": "New Hampshire" }, { "city": "Manchester", "state": "New Hampshire" } ], "official_url": "https://clinicaltrials.gov/study/NCT00156715" }, { "nct_id": "NCT00396214", "title": "Compare the Effects of Bifeprunox and Quetiapine on Weight Changes in Stable Schizophrenic Patients", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Schizophrenia" ], "interventions": [ { "name": "Bifeprunox", "type": "DRUG" }, { "name": "Quetiapine", "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": 83, "start_date": "2007-04", "completion_date": "2008-01", "has_results": false, "last_update_posted_date": "2008-06-04", "last_synced_at": "2026-10-13T06:47:23.698Z", "location_count": 69, "location_summary": "Anaheim, California • Cerritos, California • Costa Mesa, California + 52 more", "locations": [ { "city": "Anaheim", "state": "California" }, { "city": "Anaheim", "state": "California" }, { "city": "Cerritos", "state": "California" }, { "city": "Costa Mesa", "state": "California" }, { "city": "Culver City", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00396214" }, { "nct_id": "NCT00014001", "title": "CATIE- Schizophrenia Trial", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Schizophrenia" ], "interventions": [ { "name": "perphenazine", "type": "DRUG" }, { "name": "olanzapine", "type": "DRUG" }, { "name": "quetiapine", "type": "DRUG" }, { "name": "risperidone", "type": "DRUG" }, { "name": "ziprasidone", "type": "DRUG" }, { "name": "clozapine", "type": "DRUG" }, { "name": "fluphenazine decanoate", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "National Institute of Mental Health (NIMH)", "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": 1600, "start_date": "2000-12", "completion_date": "2004-12", "has_results": false, "last_update_posted_date": "2015-06-17", "last_synced_at": "2026-10-13T06:47:23.698Z", "location_count": 54, "location_summary": "Chula Vista, California • Los Angeles, California • Orange, California + 45 more", "locations": [ { "city": "Chula Vista", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Orange", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "Stanford", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00014001" }, { "nct_id": "NCT00232414", "title": "A Double-Blind Randomized Placebo Controlled Study of Quetiapine for the Treatment of Depression in Adolescents With Bipolar Disorder", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Bipolar I Disorder" ], "interventions": [ { "name": "Quetiapine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of Cincinnati", "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": "2005-10", "completion_date": "2007-12", "has_results": false, "last_update_posted_date": "2013-12-10", "last_synced_at": "2026-10-13T06:47:23.698Z", "location_count": 1, "location_summary": "Cincinnati, Ohio", "locations": [ { "city": "Cincinnati", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT00232414" }, { "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": "2026-10-13T06:47:23.698Z", "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" } ] }