{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo%2FControl&page=16", "query": { "intervention": "Placebo/Control", "page": 16 }, "page_size": 10 }, "pagination": { "page": 16, "page_size": 10, "total_count": 32907, "total_pages": 3291, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo%2FControl&page=17&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo%2FControl&page=15&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-20T21:30:26.399Z", "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": "NCT00229437", "title": "Efficacy and Safety Study of TAK-128 in Treating Subjects With Diabetic Peripheral Neuropathy", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Diabetic Neuropathies" ], "interventions": [ { "name": "TAK-128", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Takeda", "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": 343, "start_date": "2005-03", "completion_date": "2006-05", "has_results": false, "last_update_posted_date": "2012-02-28", "last_synced_at": "2026-10-20T21:30:26.399Z", "location_count": 40, "location_summary": "Mesa, Arizona • Peoria, Arizona • Phoenix, Arizona + 37 more", "locations": [ { "city": "Mesa", "state": "Arizona" }, { "city": "Peoria", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00229437" }, { "nct_id": "NCT02469077", "title": "Reduced Opioid Analgesic Requirements Via Improved Endogenous Opioid Function", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Chronic Pain" ], "interventions": [ { "name": "6 week aerobic exercise intervention", "type": "BEHAVIORAL" }, { "name": "Placebo", "type": "DRUG" }, { "name": "Morphine", "type": "DRUG" }, { "name": "naloxone", "type": "DRUG" } ], "intervention_types": [ "BEHAVIORAL", "DRUG" ], "sponsor": "Vanderbilt University Medical Center", "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": 117, "start_date": "2015-08", "completion_date": "2019-09", "has_results": true, "last_update_posted_date": "2020-09-23", "last_synced_at": "2026-10-20T21:30:26.399Z", "location_count": 2, "location_summary": "Chicago, Illinois • Nashville, Tennessee", "locations": [ { "city": "Chicago", "state": "Illinois" }, { "city": "Nashville", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT02469077" }, { "nct_id": "NCT01106677", "title": "The CANTATA-D Trial (CANagliflozin Treatment and Trial Analysis - DPP-4 Inhibitor Comparator Trial)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Diabetes Mellitus, Type 2" ], "interventions": [ { "name": "Placebo", "type": "DRUG" }, { "name": "Canagliflozin", "type": "DRUG" }, { "name": "Sitagliptin", "type": "DRUG" }, { "name": "Metformin immediate release", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Janssen Research & Development, LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "18 Years to 80 Years" }, "enrollment_count": 1284, "start_date": "2010-05", "completion_date": "2012-05", "has_results": true, "last_update_posted_date": "2013-07-30", "last_synced_at": "2026-10-20T21:30:26.399Z", "location_count": 45, "location_summary": "Little Rock, Arkansas • Fountain Valley, California • National City, California + 42 more", "locations": [ { "city": "Little Rock", "state": "Arkansas" }, { "city": "Fountain Valley", "state": "California" }, { "city": "National City", "state": "California" }, { "city": "Northridge", "state": "California" }, { "city": "Colorado Springs", "state": "Colorado" } ], "official_url": "https://clinicaltrials.gov/study/NCT01106677" }, { "nct_id": "NCT00189475", "title": "Evaluate the Potential of Montelukast to Prevent Nasal Symptomatology During Colds", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Upper Respiratory Infection" ], "interventions": [ { "name": "Montelukast", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Deborah Gentile", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "50 Years", "sex": "ALL", "summary": "18 Years to 50 Years" }, "enrollment_count": 84, "start_date": "2003-10", "completion_date": "2007-07", "has_results": true, "last_update_posted_date": "2020-11-18", "last_synced_at": "2026-10-20T21:30:26.399Z", "location_count": 1, "location_summary": "Pittsburgh, Pennsylvania", "locations": [ { "city": "Pittsburgh", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT00189475" }, { "nct_id": "NCT00181675", "title": "A Double-Blind Comparison of Galantamine HBr and Placebo in Adults With Attention Deficit Hyperactivity Disorder", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "ADHD" ], "interventions": [ { "name": "galantamine HBr", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Massachusetts General Hospital", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "58 Years", "sex": "ALL", "summary": "18 Years to 58 Years" }, "enrollment_count": 40, "start_date": "2002-12", "completion_date": "2003-09", "has_results": false, "last_update_posted_date": "2010-07-23", "last_synced_at": "2026-10-20T21:30:26.399Z", "location_count": 1, "location_summary": "Cambridge, Massachusetts", "locations": [ { "city": "Cambridge", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT00181675" }, { "nct_id": "NCT02337257", "title": "Periodontal and Cardiometabolic Responses to Vitamin D Intervention in African Americans With Periodontal Disease", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "EARLY_PHASE1" ], "conditions": [ "Periodontal Disease", "Vitamin D Deficiency" ], "interventions": [ { "name": "Cholecalciferol", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Augusta University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "60 Years", "sex": "ALL", "summary": "18 Years to 60 Years" }, "enrollment_count": 24, "start_date": "2014-04", "completion_date": "2015-12", "has_results": false, "last_update_posted_date": "2015-01-13", "last_synced_at": "2026-10-20T21:30:26.399Z", "location_count": 1, "location_summary": "Augusta, Georgia", "locations": [ { "city": "Augusta", "state": "Georgia" } ], "official_url": "https://clinicaltrials.gov/study/NCT02337257" }, { "nct_id": "NCT06451757", "title": "KHENERFIN Study: A Trial to Evaluate the Efficacy and Safety of Sonlicromanol in Primary Mitochondrial Diseases", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Mitochondrial Diseases", "Maternally Inherited Diabetes and Deafness (MIDD)", "Mitochondrial Encephalomyopathy, Lactic Acidosis and Stroke-like Episodes (MELAS)", "Mitochondrial DNA tRNALeu(UUR) m.3243A