{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Asenapine", "query": { "intervention": "Placebo Asenapine" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 9, "total_pages": 1, "next_page_url": null, "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-21T01:30:19.828Z", "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": "NCT01396291", "title": "Efficacy and Safety of Asenapine in the Prevention of Recurrence of Mood Episodes in Participants With Bipolar 1 Disorder (P06384)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Bipolar 1 Disorder" ], "interventions": [ { "name": "asenapine", "type": "DRUG" }, { "name": "placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Forest Laboratories", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 561, "start_date": "2011-12", "completion_date": "2015-06", "has_results": false, "last_update_posted_date": "2015-12-04", "last_synced_at": "2026-09-21T01:30:19.828Z", "location_count": 30, "location_summary": "Anaheim, California • Chino, California • Escondido, California + 25 more", "locations": [ { "city": "Anaheim", "state": "California" }, { "city": "Chino", "state": "California" }, { "city": "Escondido", "state": "California" }, { "city": "National City", "state": "California" }, { "city": "Oakland", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01396291" }, { "nct_id": "NCT01395992", "title": "Long-Term Safety Extension Trial of Asenapine in Bipolar 1 Disorder Participants Who Completed Protocol P05691 (P05692)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Bipolar I Disorder" ], "interventions": [ { "name": "asenapine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Forest Laboratories", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 165, "start_date": "2012-04", "completion_date": "2015-01", "has_results": false, "last_update_posted_date": "2015-05-27", "last_synced_at": "2026-09-21T01:30:19.828Z", "location_count": 1, "location_summary": "Austin, Texas", "locations": [ { "city": "Austin", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT01395992" }, { "nct_id": "NCT01617200", "title": "Long-Term Safety Extension Trial of Asenapine in Schizophrenia Participants Who Completed Protocol P05688 (P05689)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Schizophrenia" ], "interventions": [ { "name": "Asenapine", "type": "DRUG" }, { "name": "Placebo Asenapine", "type": "DRUG" }, { "name": "Olanzapine", "type": "DRUG" }, { "name": "Placebo Olanzapine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Forest Laboratories", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 105, "start_date": "2012-12", "completion_date": "2015-03", "has_results": false, "last_update_posted_date": "2015-05-27", "last_synced_at": "2026-09-21T01:30:19.828Z", "location_count": 1, "location_summary": "Austin, Texas", "locations": [ { "city": "Austin", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT01617200" }, { "nct_id": "NCT01670019", "title": "Antidepressant Plus Asenapine Versus Antidepressant Plus Placebo for Depression", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Major Depressive Disorder Without Psychotic Features" ], "interventions": [ { "name": "Asenapine 5-20 mg daily", "type": "DRUG" }, { "name": "Placebo 1-4 tablets daily", "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": 46, "start_date": "2012-10", "completion_date": "2014-06", "has_results": true, "last_update_posted_date": "2015-10-01", "last_synced_at": "2026-09-21T01:30:19.828Z", "location_count": 5, "location_summary": "Augusta, Georgia • Durham, North Carolina • Greenville, North Carolina + 1 more", "locations": [ { "city": "Augusta", "state": "Georgia" }, { "city": "Durham", "state": "North Carolina" }, { "city": "Durham", "state": "North Carolina" }, { "city": "Greenville", "state": "North Carolina" }, { "city": "Raleigh", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT01670019" }, { "nct_id": "NCT01807741", "title": "Asenapine for Bipolar Depression", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Bipolar Depression" ], "interventions": [ { "name": "Asenapine", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of Cincinnati", "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": 51, "start_date": "2013-09", "completion_date": "2017-07", "has_results": false, "last_update_posted_date": "2017-07-24", "last_synced_at": "2026-09-21T01:30:19.828Z", "location_count": 1, "location_summary": "Cincinnati, Ohio", "locations": [ { "city": "Cincinnati", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT01807741" }, { "nct_id": "NCT03565068", "title": "A Safety, Tolerability, and Pharmacokinetics Study of MK-8189 in Participants With Schizophrenia and in Healthy Participants (MK-8189-007)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Schizophrenia" ], "interventions": [ { "name": "MK-8189", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" }, { "name": "Background AAP Therapy", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Merck Sharp & Dohme LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "60 Years", "sex": "ALL", "summary": "18 Years to 60 Years" }, "enrollment_count": 75, "start_date": "2018-06-20", "completion_date": "2020-04-03", "has_results": true, "last_update_posted_date": "2021-03-29", "last_synced_at": "2026-09-21T01:30:19.828Z", "location_count": 1, "location_summary": "Glendale, California", "locations": [ { "city": "Glendale", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03565068" }, { "nct_id": "NCT01684657", "title": "A Randomized, Placebo-Controlled Study to Evaluate the Efficacy and Tolerability of Asenapine With Flexible Dosing From 5mg to 20mg in Adults With Developmental Stuttering", "overall_status": "SUSPENDED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Stuttering" ], "interventions": [ { "name": "Asenapine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of California, Irvine", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "70 Years", "sex": "ALL", "summary": "18 Years to 70 Years" }, "enrollment_count": 32, "start_date": "2012-09", "completion_date": "2014-05", "has_results": false, "last_update_posted_date": "2014-05-20", "last_synced_at": "2026-09-21T01:30:19.828Z", "location_count": 1, "location_summary": "Orange, California", "locations": [ { "city": "Orange", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01684657" }, { "nct_id": "NCT02876900", "title": "Study to Assess Efficacy and Safety of HP3070 in Subjects Diagnosed With Schizophrenia.", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Schizophrenia" ], "interventions": [ { "name": "Low Dose Asenapine maleate transdermal patch", "type": "DRUG" }, { "name": "High Dose Asenapine maleate transdermal patch", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Noven Pharmaceuticals, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 617, "start_date": "2016-08", "completion_date": "2018-06", "has_results": true, "last_update_posted_date": "2020-10-22", "last_synced_at": "2026-09-21T01:30:19.828Z", "location_count": 1, "location_summary": "Jersey City, New Jersey", "locations": [ { "city": "Jersey City", "state": "New Jersey" } ], "official_url": "https://clinicaltrials.gov/study/NCT02876900" }, { "nct_id": "NCT01400113", "title": "Treating Acutely Agitated Patients With Asenapine Sublingual Tablets", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Agitation" ], "interventions": [ { "name": "Asenapine", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Unity Health Toronto", "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": "2012-04", "completion_date": "2012-12", "has_results": true, "last_update_posted_date": "2016-05-16", "last_synced_at": "2026-09-21T01:30:19.828Z", "location_count": 1, "location_summary": "Syracuse, New York", "locations": [ { "city": "Syracuse", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT01400113" } ] }