{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oral+Risperidone&page=2", "query": { "intervention": "Oral Risperidone", "page": 2 }, "page_size": 10 }, "pagination": { "page": 2, "page_size": 10, "total_count": 74, "total_pages": 8, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oral+Risperidone&page=3&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oral+Risperidone&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-01T02:01:48.690Z", "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": "NCT00539071", "title": "High Dose Risperidone Consta for Patients With Schizophrenia With Poor Response to Risperidone", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Schizophrenia", "Schizoaffective Disorder" ], "interventions": [ { "name": "long-acting injectable risperidone", "type": "DRUG" }, { "name": "long acting injectable risperidone, Conventional Dose Group", "type": "DRUG" }, { "name": "long acting injectable risperidone, High Dose Group", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Northwestern 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": 160, "start_date": "2008-03", "completion_date": "2012-05", "has_results": true, "last_update_posted_date": "2025-10-01", "last_synced_at": "2026-10-01T02:01:48.690Z", "location_count": 1, "location_summary": "Nashville, Tennessee", "locations": [ { "city": "Nashville", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT00539071" }, { "nct_id": "NCT00535132", "title": "Study to Measure Drug Satisfaction of Patients With Schizophrenia After Switching From Risperidone to Paliperidone", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Schizophrenia" ], "interventions": [ { "name": "Oral Risperidone", "type": "DRUG" }, { "name": "Paliperidone ER", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Johnson & Johnson Pharmaceutical Research & Development, L.L.C.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 201, "start_date": "2007-10", "completion_date": "2008-07", "has_results": true, "last_update_posted_date": "2014-05-09", "last_synced_at": "2026-10-01T02:01:48.690Z", "location_count": 15, "location_summary": "Cerritos, California • Garden Grove, California • Huntington Beach, California + 12 more", "locations": [ { "city": "Cerritos", "state": "California" }, { "city": "Garden Grove", "state": "California" }, { "city": "Huntington Beach", "state": "California" }, { "city": "Pico Rivera", "state": "California" }, { "city": "San Diego", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00535132" }, { "nct_id": "NCT03055338", "title": "An Active-Controlled Early Phase Study of Elpipodect (MK-8189) in Adults With Schizophrenia (MK-8189-005)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Schizophrenia, Acute Episode" ], "interventions": [ { "name": "Elpipodect", "type": "DRUG" }, { "name": "Risperidone", "type": "DRUG" }, { "name": "Placebo matching MK-8189", "type": "DRUG" }, { "name": "Placebo matching risperidone", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Merck Sharp & Dohme LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "50 Years", "sex": "ALL", "summary": "18 Years to 50 Years" }, "enrollment_count": 224, "start_date": "2017-03-08", "completion_date": "2018-01-09", "has_results": true, "last_update_posted_date": "2026-04-29", "last_synced_at": "2026-10-01T02:01:48.690Z", "location_count": 28, "location_summary": "Little Rock, Arkansas • Rogers, Arkansas • Bellflower, California + 23 more", "locations": [ { "city": "Little Rock", "state": "Arkansas" }, { "city": "Rogers", "state": "Arkansas" }, { "city": "Bellflower", "state": "California" }, { "city": "Cerritos", "state": "California" }, { "city": "Garden Grove", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03055338" }, { "nct_id": "NCT03557931", "title": "A Study to Assess the Safety and Efficacy of ASP4345 as Add-on Treatment for Cognitive Impairment in Subjects With Schizophrenia on Stable Doses of Antipsychotic Medication", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Schizophrenia" ], "interventions": [ { "name": "ASP4345", "type": "DRUG" }, { "name": "placebo", "type": "DRUG" }, { "name": "risperidone", "type": "DRUG" }, { "name": "quetiapine", "type": "DRUG" }, { "name": "olanzapine", "type": "DRUG" }, { "name": "ziprasidone", "type": "DRUG" }, { "name": "aripiprazole", "type": "DRUG" }, { "name": "brexpiprazole", "type": "DRUG" }, { "name": "paliperidone", "type": "DRUG" }, { "name": "lurasidone", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Astellas Pharma Global Development, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "55 Years", "sex": "ALL", "summary": "18 Years to 55 Years" }, "enrollment_count": 233, "start_date": "2018-07-13", "completion_date": "2019-10-21", "has_results": true, "last_update_posted_date": "2024-11-12", "last_synced_at": "2026-10-01T02:01:48.690Z", "location_count": 27, "location_summary": "Cerritos, California • Garden Grove, California • Lemon Grove, California + 19 more", "locations": [ { "city": "Cerritos", "state": "California" }, { "city": "Garden Grove", "state": "California" }, { "city": "Lemon Grove", "state": "California" }, { "city": "Oakland", "state": "California" }, { "city": "Pico Rivera", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03557931" }, { "nct_id": "NCT00333177", "title": "Psychosocial Therapy and Risperidone Treatment in Work Performance in Recent-Onset Schizophrenia", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Schizophrenia" ], "interventions": [ { "name": "Cognitive remediation training (CT)", "type": "BEHAVIORAL" }, { "name": "Healthy behavior training (HBT)", "type": "BEHAVIORAL" }, { "name": "Risperidone, administered orally (Oral Ris)", "type": "DRUG" }, { "name": "Risperidone, administered via injection (RLAI)", "type": "DRUG" } ], "intervention_types": [ "BEHAVIORAL", "DRUG" ], "sponsor": "University of California, Los Angeles", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "45 Years", "sex": "ALL", "summary": "18 Years to 45 Years" }, "enrollment_count": 92, "start_date": "2006-03", "completion_date": "2013-01", "has_results": true, "last_update_posted_date": "2020-03-26", "last_synced_at": "2026-10-01T02:01:48.690Z", "location_count": 1, "location_summary": "Los Angeles, California", "locations": [ { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00333177" }, { "nct_id": "NCT06049953", "title": "Maternal And Infant Antipsychotic Study", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Antipsychotics", "Pregnancy" ], "interventions": [ { "name": "Antipsychotics", "type": "DRUG" }, { "name": "Non-antipsychotic medication", "type": "DRUG" }, { "name": "No Medication", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "sponsor": "Icahn School of Medicine at Mount Sinai", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "FEMALE", "summary": "18 Years and older · Female only" }, "enrollment_count": 74, "start_date": "2023-09-29", "completion_date": "2028-01-01", "has_results": false, "last_update_posted_date": "2026-06-22", "last_synced_at": "2026-10-01T02:01:48.690Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT06049953" }, { "nct_id": "NCT01129674", "title": "A Long-Term, Open-Label, Study on Schizophrenia", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2", "PHASE3" ], "conditions": [ "Schizophrenia" ], "interventions": [ { "name": "LY2140023", "type": "DRUG" }, { "name": "Olanzapine", "type": "DRUG" }, { "name": "Aripiprazole", "type": "DRUG" }, { "name": "Risperidone", "type": "DRUG" }, { "name": "Quetiapine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Denovo Biopharma LLC", "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": 560, "start_date": "2010-06", "completion_date": "2012-10", "has_results": false, "last_update_posted_date": "2026-09-14", "last_synced_at": "2026-10-01T02:01:48.690Z", "location_count": 42, "location_summary": "Little Rock, Arkansas • Escondido, California • Garden Grove, California + 39 more", "locations": [ { "city": "Little Rock", "state": "Arkansas" }, { "city": "Escondido", "state": "California" }, { "city": "Garden Grove", "state": "California" }, { "city": "Long Beach", "state": "California" }, { "city": "National City", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01129674" }, { "nct_id": "NCT01181960", "title": "Research and Evaluation of Antipsychotic Treatment in Community Behavioral Health Organizations", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Schizophrenia", "Bipolar Disorder" ], "interventions": [ { "name": "Risperidone long acting injectable - New Starts", "type": "DRUG" }, { "name": "Risperidone long acting injectable - Continuous Users", "type": "DRUG" }, { "name": "Paliperidone Palmitate -New and Continuous Users", "type": "DRUG" }, { "name": "Other Antipsychotics - New Starts", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Janssen Scientific Affairs, LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "64 Years", "sex": "ALL", "summary": "18 Years to 64 Years" }, "enrollment_count": 1066, "start_date": "2010-08", "completion_date": "2013-11", "has_results": false, "last_update_posted_date": "2014-02-12", "last_synced_at": "2026-10-01T02:01:48.690Z", "location_count": 34, "location_summary": "Bullhead City, Arizona • Colton, California • Imperial, California + 31 more", "locations": [ { "city": "Bullhead City", "state": "Arizona" }, { "city": "Colton", "state": "California" }, { "city": "Imperial", "state": "California" }, { "city": "Norwalk", "state": "California" }, { "city": "Aurora", "state": "Colorado" } ], "official_url": "https://clinicaltrials.gov/study/NCT01181960" }, { "nct_id": "NCT01411085", "title": "Risperidone and Desipramine in Alcohol Use and Schizophrenia", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Schizophrenia", "Alcoholism", "Dual Diagnosis" ], "interventions": [ { "name": "Risperidone + Desipramine", "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": 12, "start_date": "2011-12", "completion_date": "2014-09", "has_results": true, "last_update_posted_date": "2018-03-23", "last_synced_at": "2026-10-01T02:01:48.690Z", "location_count": 4, "location_summary": "Worcester, Massachusetts • Grand Rapids, Michigan • Lebanon, New Hampshire + 1 more", "locations": [ { "city": "Worcester", "state": "Massachusetts" }, { "city": "Grand Rapids", "state": "Michigan" }, { "city": "Lebanon", "state": "New Hampshire" }, { "city": "Columbia", "state": "South Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT01411085" }, { "nct_id": "NCT00845026", "title": "A Safety Study Comparing LY2140023 to Atypical Antipsychotic Standard Treatment in Schizophrenic Patients", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Schizophrenia" ], "interventions": [ { "name": "LY2140023", "type": "DRUG" }, { "name": "aripiprazole", "type": "DRUG" }, { "name": "olanzapine", "type": "DRUG" }, { "name": "risperidone", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Denovo Biopharma LLC", "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": 261, "start_date": "2009-03", "completion_date": "2010-12", "has_results": true, "last_update_posted_date": "2022-11-08", "last_synced_at": "2026-10-01T02:01:48.690Z", "location_count": 11, "location_summary": "Escondido, California • Garden Grove, California • Washington D.C., District of Columbia + 8 more", "locations": [ { "city": "Escondido", "state": "California" }, { "city": "Garden Grove", "state": "California" }, { "city": "Washington D.C.", "state": "District of Columbia" }, { "city": "Chicago", "state": "Illinois" }, { "city": "Hoffman Estates", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT00845026" } ] }