{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Matching+Oral+Placebo&page=4", "query": { "intervention": "Matching Oral Placebo", "page": 4 }, "page_size": 10 }, "pagination": { "page": 4, "page_size": 10, "total_count": 3455, "total_pages": 346, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Matching+Oral+Placebo&page=5&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Matching+Oral+Placebo&page=3&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-14T03:25:34.685Z", "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": "NCT04265261", "title": "A Study to Investigate the Efficacy and Safety of RG7774 in Patients With Diabetes Mellitus Type 1 or Type 2 With Treatment-Naive Diabetic Retinopathy", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Diabetic Retinopathy" ], "interventions": [ { "name": "Placebo", "type": "DRUG" }, { "name": "RG7774", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Hoffmann-La Roche", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 139, "start_date": "2020-06-05", "completion_date": "2023-07-19", "has_results": true, "last_update_posted_date": "2024-09-25", "last_synced_at": "2026-10-14T03:25:34.685Z", "location_count": 37, "location_summary": "Phoenix, Arizona • Tucson, Arizona • Arcadia, California + 33 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Arcadia", "state": "California" }, { "city": "Glendale", "state": "California" }, { "city": "Torrance", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04265261" }, { "nct_id": "NCT00330070", "title": "Control of Asthma Patients Symptomatic on Inhaled Corticosteroids", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Asthma" ], "interventions": [ { "name": "IPL512,602 20 mg once daily", "type": "DRUG" }, { "name": "IPL512,602 Matching Placebo once daily", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Inflazyme Pharmaceuticals Ltd", "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": 200, "start_date": "2006-05", "completion_date": "2007-01", "has_results": false, "last_update_posted_date": "2007-02-16", "last_synced_at": "2026-10-14T03:25:34.685Z", "location_count": 8, "location_summary": "Long Beach, California • Los Angeles, California • San Diego, California + 5 more", "locations": [ { "city": "Long Beach", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "San Jose", "state": "California" }, { "city": "No. Dartmouth", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT00330070" }, { "nct_id": "NCT01531673", "title": "Study of VX-661 Alone and in Combination With Ivacaftor in Subjects Homozygous or Heterozygous to the F508del-Cystic Fibrosis Transmembrane Conductance Regulator(CFTR) Mutation", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Cystic Fibrosis" ], "interventions": [ { "name": "VX-661", "type": "DRUG" }, { "name": "Ivacaftor", "type": "DRUG" }, { "name": "Placebo matched to VX-661", "type": "DRUG" }, { "name": "Placebo matched to ivacaftor", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Vertex Pharmaceuticals Incorporated", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": null, "sex": "ALL", "summary": "12 Years and older" }, "enrollment_count": 194, "start_date": "2012-02", "completion_date": "2014-03", "has_results": true, "last_update_posted_date": "2018-04-13", "last_synced_at": "2026-10-14T03:25:34.685Z", "location_count": 19, "location_summary": "Birmingham, Alabama • Oakland, California • Boise, Idaho + 16 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Oakland", "state": "California" }, { "city": "Boise", "state": "Idaho" }, { "city": "Chicago", "state": "Illinois" }, { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT01531673" }, { "nct_id": "NCT03829241", "title": "Randomized Trial of Adult Participants With Generalized Anxiety Disorder", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Generalized Anxiety Disorder" ], "interventions": [ { "name": "Troriluzole", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Biohaven Pharmaceuticals, 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": 881, "start_date": "2019-02-19", "completion_date": "2020-05-08", "has_results": true, "last_update_posted_date": "2024-05-08", "last_synced_at": "2026-10-14T03:25:34.685Z", "location_count": 53, "location_summary": "Little Rock, Arkansas • Colton, California • Encino, California + 48 more", "locations": [ { "city": "Little Rock", "state": "Arkansas" }, { "city": "Colton", "state": "California" }, { "city": "Encino", "state": "California" }, { "city": "Fresno", "state": "California" }, { "city": "Garden Grove", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03829241" }, { "nct_id": "NCT04940624", "title": "A Study of Soticlestat as an Add-on Therapy in Children and Young Adults With Dravet Syndrome", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Dravet Syndrome (DS)" ], "interventions": [ { "name": "Soticlestat", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Takeda", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "2 Years", "maximum_age": "21 Years", "sex": "ALL", "summary": "2 Years to 21 Years" }, "enrollment_count": 144, "start_date": "2021-10-28", "completion_date": "2024-04-11", "has_results": true, "last_update_posted_date": "2026-09-04", "last_synced_at": "2026-10-14T03:25:34.685Z", "location_count": 10, "location_summary": "Phoenix, Arizona • Los Angeles, California • San Francisco, California + 7 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Los Angeles", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "Iowa City", "state": "Iowa" } ], "official_url": "https://clinicaltrials.gov/study/NCT04940624" }, { "nct_id": "NCT06227910", "title": "A Study of Vedolizumab With and Without Upadacitinib in Adults With Crohn's Disease", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Crohn's Disease" ], "interventions": [ { "name": "Vedolizumab", "type": "DRUG" }, { "name": "Upadacitinib", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Takeda", "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": 396, "start_date": "2025-01-02", "completion_date": "2028-08-01", "has_results": false, "last_update_posted_date": "2026-05-27", "last_synced_at": "2026-10-14T03:25:34.685Z", "location_count": 19, "location_summary": "La Jolla, California • Los Angeles, California • Colorado Springs, Colorado + 12 more", "locations": [ { "city": "La Jolla", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Colorado Springs", "state": "Colorado" }, { "city": "Naples", "state": "Florida" }, { "city": "Orlando", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT06227910" }, { "nct_id": "NCT02595723", "title": "Phenytoin for Memory Impairment Secondary to Megestrol", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Cognitive Impairment" ], "interventions": [ { "name": "Phenytoin 200 mg capsule", "type": "DRUG" }, { "name": "Megestrol 800 mg liquid", "type": "DRUG" }, { "name": "Phenytoin-matched Placebo capsule", "type": "DRUG" }, { "name": "Megestrol-matched liquid Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of Texas Southwestern Medical Center", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "50 Years", "sex": "ALL", "summary": "18 Years to 50 Years" }, "enrollment_count": 21, "start_date": "2015-07", "completion_date": "2016-12", "has_results": true, "last_update_posted_date": "2019-09-09", "last_synced_at": "2026-10-14T03:25:34.685Z", "location_count": 1, "location_summary": "Dallas, Texas", "locations": [ { "city": "Dallas", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT02595723" }, { "nct_id": "NCT02573870", "title": "Batefenterol/Fluticasone Furoate in Treatment of Chronic Obstructive Pulmonary Disease", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Pulmonary Disease, Chronic Obstructive" ], "interventions": [ { "name": "Batefenterol + Fluticasone Furoate", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" }, { "name": "Albuterol", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "GlaxoSmithKline", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "40 Years", "maximum_age": null, "sex": "ALL", "summary": "40 Years and older" }, "enrollment_count": 63, "start_date": "2015-12-01", "completion_date": "2016-07-05", "has_results": true, "last_update_posted_date": "2020-07-21", "last_synced_at": "2026-10-14T03:25:34.685Z", "location_count": 10, "location_summary": "Phoenix, Arizona • Hollywood, Florida • Baltimore, Maryland + 7 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Hollywood", "state": "Florida" }, { "city": "Baltimore", "state": "Maryland" }, { "city": "Charlotte", "state": "North Carolina" }, { "city": "Gastonia", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT02573870" }, { "nct_id": "NCT04938388", "title": "Comparison of Oral Semaglutide w/ Placebo- Treatment for Latino Adults w/T2 Diabetes Receiving Enhanced Lifestyle Care", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Diabetes Mellitus, Type 2", "Glucose Metabolism Disorders (Including Diabetes Mellitus)" ], "interventions": [ { "name": "Semaglutide Pill", "type": "DRUG" }, { "name": "Fresh organic vegetables", "type": "DIETARY_SUPPLEMENT" } ], "intervention_types": [ "DRUG", "DIETARY_SUPPLEMENT" ], "sponsor": "Sansum Diabetes Research Institute", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 12, "start_date": "2022-01-29", "completion_date": "2023-02-16", "has_results": false, "last_update_posted_date": "2023-05-25", "last_synced_at": "2026-10-14T03:25:34.685Z", "location_count": 1, "location_summary": "Santa Barbara, California", "locations": [ { "city": "Santa Barbara", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04938388" }, { "nct_id": "NCT00753688", "title": "Pazopanib Versus Placebo in Patients With Soft Tissue Sarcoma Whose Disease Has Progressed During or Following Prior Therapy", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Sarcoma, Soft Tissue" ], "interventions": [ { "name": "PAZOPANIB", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "GlaxoSmithKline", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 369, "start_date": "2008-10", "completion_date": "2012-12", "has_results": true, "last_update_posted_date": "2013-08-22", "last_synced_at": "2026-10-14T03:25:34.685Z", "location_count": 10, "location_summary": "Birmingham, Alabama • Los Angeles, California • Orange, California + 6 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Los Angeles", "state": "California" }, { "city": "Orange", "state": "California" }, { "city": "Santa Monica", "state": "California" }, { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT00753688" } ] }