{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=quetiapine+%28Seroquel+XR%29&page=2", "query": { "intervention": "quetiapine (Seroquel XR)", "page": 2 }, "page_size": 10 }, "pagination": { "page": 2, "page_size": 10, "total_count": 33, "total_pages": 4, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=quetiapine+%28Seroquel+XR%29&page=3&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=quetiapine+%28Seroquel+XR%29&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-10T04:58:51.447Z", "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": "NCT01244711", "title": "Open-Label Pilot Study to Examine the Value of Substituting Quetiapine for Benzodiazepines", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Major Depression", "Generalized Anxiety Disorder" ], "interventions": [ { "name": "quetiapine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Weill Medical College of Cornell 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": 1, "start_date": "2008-09", "completion_date": "2011-09", "has_results": true, "last_update_posted_date": "2015-04-03", "last_synced_at": "2026-10-10T04:58:51.447Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT01244711" }, { "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": "2026-10-10T04:58:51.447Z", "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": "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": "2026-10-10T04:58:51.447Z", "location_count": 1, "location_summary": "Albuquerque, New Mexico", "locations": [ { "city": "Albuquerque", "state": "New Mexico" } ], "official_url": "https://clinicaltrials.gov/study/NCT02893371" }, { "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": "2026-10-10T04:58:51.447Z", "location_count": 1, "location_summary": "Dallas, Texas", "locations": [ { "city": "Dallas", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00457197" }, { "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": "2026-10-10T04:58:51.447Z", "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": "NCT01066143", "title": "Generalized Anxiety and Seroquel", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Generalized Anxiety Disorder", "Seroquel XR" ], "interventions": [ { "name": "Seroquel XR", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Mclean Hospital", "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": 8, "start_date": "2010-02", "completion_date": "2013-02", "has_results": true, "last_update_posted_date": "2017-05-17", "last_synced_at": "2026-10-10T04:58:51.447Z", "location_count": 1, "location_summary": "Belmont, Massachusetts", "locations": [ { "city": "Belmont", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT01066143" }, { "nct_id": "NCT00880919", "title": "Seroquel Extended Release (XR) for the Management of Borderline Personality Disorder (BPD)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Borderline Personality Disorder" ], "interventions": [ { "name": "quetiapine extended-release", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of Minnesota", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "45 Years", "sex": "ALL", "summary": "18 Years to 45 Years" }, "enrollment_count": 95, "start_date": "2008-06", "completion_date": "2013-03", "has_results": true, "last_update_posted_date": "2017-03-09", "last_synced_at": "2026-10-10T04:58:51.447Z", "location_count": 3, "location_summary": "Iowa City, Iowa • Belmont, Massachusetts • Minneapolis, Minnesota", "locations": [ { "city": "Iowa City", "state": "Iowa" }, { "city": "Belmont", "state": "Massachusetts" }, { "city": "Minneapolis", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT00880919" }, { "nct_id": "NCT02720198", "title": "Levomilnacipran ER vs. Adjunctive Quetiapine for Adults With Inadequate Relief With SSRIs in MDD", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Major Depressive Disorder" ], "interventions": [ { "name": "Levomilnacipran", "type": "DRUG" }, { "name": "Quetiapine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Duke 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": 60, "start_date": "2017-01-23", "completion_date": "2018-06-12", "has_results": true, "last_update_posted_date": "2019-08-14", "last_synced_at": "2026-10-10T04:58:51.447Z", "location_count": 1, "location_summary": "Alpharetta, Georgia", "locations": [ { "city": "Alpharetta", "state": "Georgia" } ], "official_url": "https://clinicaltrials.gov/study/NCT02720198" }, { "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": "2026-10-10T04:58:51.447Z", "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": "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": "2026-10-10T04:58:51.447Z", "location_count": 1, "location_summary": "Indianapolis, Indiana", "locations": [ { "city": "Indianapolis", "state": "Indiana" } ], "official_url": "https://clinicaltrials.gov/study/NCT00619892" } ] }