{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo&page=123", "query": { "intervention": "Placebo", "page": 123 }, "page_size": 10 }, "pagination": { "page": 123, "page_size": 10, "total_count": 33183, "total_pages": 3319, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo&page=124&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo&page=122&page_size=10" }, "source": "remote", "last_synced_at": "2026-11-15T14:17:10.078Z", "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": "NCT00676052", "title": "Dose-Ranging Study Of GSK233705B In Subjects With Chronic Obstructive Pulmonary Disease (COPD)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Pulmonary Disease, Chronic Obstructive" ], "interventions": [ { "name": "GSK233705 12.5mcg", "type": "DRUG" }, { "name": "GSK233705 25mcg", "type": "DRUG" }, { "name": "GSK233705 50mcg", "type": "DRUG" }, { "name": "GSK233705 100mcg", "type": "DRUG" }, { "name": "GSK233705 200mcg", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "GlaxoSmithKline", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "40 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "40 Years to 80 Years" }, "enrollment_count": 576, "start_date": "2008-05-16", "completion_date": "2008-12-22", "has_results": true, "last_update_posted_date": "2017-10-09", "last_synced_at": "2026-11-15T14:17:10.078Z", "location_count": 25, "location_summary": "Jasper, Alabama • Glendale, Arizona • Fountain Valley, California + 21 more", "locations": [ { "city": "Jasper", "state": "Alabama" }, { "city": "Glendale", "state": "Arizona" }, { "city": "Fountain Valley", "state": "California" }, { "city": "Fullerton", "state": "California" }, { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00676052" }, { "nct_id": "NCT03229538", "title": "STeroids to REduce Systemic Inflammation After Infant Heart Surgery", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Congenital Heart Disease in Children", "Inflammatory Response" ], "interventions": [ { "name": "Methylprednisolone", "type": "DRUG" }, { "name": "Isotonic saline", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Kevin Hill", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "12 Months", "sex": "ALL", "summary": "Up to 12 Months" }, "enrollment_count": 1263, "start_date": "2017-10-18", "completion_date": "2022-03-31", "has_results": true, "last_update_posted_date": "2026-01-05", "last_synced_at": "2026-11-15T14:17:10.078Z", "location_count": 23, "location_summary": "Los Angeles, California • Aurora, Colorado • Gainesville, Florida + 20 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Aurora", "state": "Colorado" }, { "city": "Gainesville", "state": "Florida" }, { "city": "Chicago", "state": "Illinois" }, { "city": "Oak Lawn", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT03229538" }, { "nct_id": "NCT01159626", "title": "Pharmacokinetics, Safety and Tolerability Study of PF-03463275 in Healthy Male Japanese and Western Subjects", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Healthy" ], "interventions": [ { "name": "PF-03463275", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "55 Years", "sex": "MALE", "summary": "18 Years to 55 Years · Male only" }, "enrollment_count": 40, "start_date": "2010-07", "completion_date": "2010-11", "has_results": false, "last_update_posted_date": "2011-04-20", "last_synced_at": "2026-11-15T14:17:10.078Z", "location_count": 1, "location_summary": "Glendale, California", "locations": [ { "city": "Glendale", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01159626" }, { "nct_id": "NCT02797678", "title": "Feasibility, Effectiveness and Efficacy of the PowerSleep Device", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Sleep", "Sleep Disorders Not Due to A Substance or Known Physiological Condition" ], "interventions": [ { "name": "Powersleep", "type": "DEVICE" }, { "name": "Sham Powersleep", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Philips Respironics", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "21 Years", "maximum_age": "50 Years", "sex": "ALL", "summary": "21 Years to 50 Years" }, "enrollment_count": 62, "start_date": "2016-06", "completion_date": "2017-01", "has_results": true, "last_update_posted_date": "2019-01-11", "last_synced_at": "2026-11-15T14:17:10.078Z", "location_count": 4, "location_summary": "Atlanta, Georgia • Chesterfield, Missouri • St Louis, Missouri + 1 more", "locations": [ { "city": "Atlanta", "state": "Georgia" }, { "city": "Chesterfield", "state": "Missouri" }, { "city": "St Louis", "state": "Missouri" }, { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT02797678" }, { "nct_id": "NCT02607735", "title": "Safety and Efficacy of Sofosbuvir/Velpatasvir/Voxilaprevir in Adults With Chronic HCV Infection Who Have Previously Received Treatment With Direct-Acting Antiviral Therapy", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Hepatitis C" ], "interventions": [ { "name": "SOF/VEL/VOX", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Gilead Sciences", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 416, "start_date": "2015-11-11", "completion_date": "2017-06-21", "has_results": true, "last_update_posted_date": "2019-03-05", "last_synced_at": "2026-11-15T14:17:10.078Z", "location_count": 43, "location_summary": "Long Beach, California • Los Angeles, California • Palo Alto, California + 40 more", "locations": [ { "city": "Long Beach", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Palo Alto", "state": "California" }, { "city": "Pasadena", "state": "California" }, { "city": "Rialto", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT02607735" }, { "nct_id": "NCT07205900", "title": "Study to Evaluate HM15275 in Obese or Overweight Subjects Without Diabetes Mellitus", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Obese", "Obesity" ], "interventions": [ { "name": "HM15275", "type": "DRUG" }, { "name": "Placebo of HM15275", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Hanmi Pharmaceutical Company Limited", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "18 Years to 75 Years" }, "enrollment_count": 267, "start_date": "2025-12-02", "completion_date": "2027-01", "has_results": false, "last_update_posted_date": "2026-04-08", "last_synced_at": "2026-11-15T14:17:10.078Z", "location_count": 14, "location_summary": "Chula Vista, California • Oak Lawn, Illinois • Ames, Iowa + 10 more", "locations": [ { "city": "Chula Vista", "state": "California" }, { "city": "Oak Lawn", "state": "Illinois" }, { "city": "Ames", "state": "Iowa" }, { "city": "Cary", "state": "North Carolina" }, { "city": "Hickory", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT07205900" }, { "nct_id": "NCT02793011", "title": "Dexamethasone and Post-tonsillectomy Pain in Children", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Pediatric Post-tonsillectomy Pain" ], "interventions": [ { "name": "Dexamethasone", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Nationwide Children's Hospital", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "4 Years", "maximum_age": "17 Years", "sex": "ALL", "summary": "4 Years to 17 Years" }, "enrollment_count": 137, "start_date": "2016-06", "completion_date": "2019-06-27", "has_results": false, "last_update_posted_date": "2020-09-10", "last_synced_at": "2026-11-15T14:17:10.078Z", "location_count": 1, "location_summary": "Ann Arbor, Michigan", "locations": [ { "city": "Ann Arbor", "state": "Michigan" } ], "official_url": "https://clinicaltrials.gov/study/NCT02793011" }, { "nct_id": "NCT04597099", "title": "Androgen Blockade and Progesterone Augmentation of Gonadotropin Secretion", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "EARLY_PHASE1" ], "conditions": [ "PCOS", "Polycystic Ovary Syndrome" ], "interventions": [ { "name": "Micronized progesterone", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" }, { "name": "Flutamide", "type": "DRUG" }, { "name": "Estradiol patch", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of Virginia", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "30 Years", "sex": "FEMALE", "summary": "18 Years to 30 Years · Female only" }, "enrollment_count": 10, "start_date": "2022-10-26", "completion_date": "2025-10-01", "has_results": false, "last_update_posted_date": "2023-11-02", "last_synced_at": "2026-11-15T14:17:10.078Z", "location_count": 1, "location_summary": "Charlottesville, Virginia", "locations": [ { "city": "Charlottesville", "state": "Virginia" } ], "official_url": "https://clinicaltrials.gov/study/NCT04597099" }, { "nct_id": "NCT00546832", "title": "Study Evaluating the Efficacy and Safety of Topical Diclofenac Spray in Osteoarthritis of the Knee: Trial II", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Osteoarthritis" ], "interventions": [ { "name": "TDS-943 (topical diclofenac sodium 4% spray)", "type": "DRUG" }, { "name": "celecoxib", "type": "DRUG" }, { "name": "placebo", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "sponsor": "Mika Pharma GmbH", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "40 Years", "maximum_age": null, "sex": "ALL", "summary": "40 Years and older" }, "enrollment_count": 650, "start_date": "2007-10", "completion_date": "2008-11", "has_results": false, "last_update_posted_date": "2010-10-13", "last_synced_at": "2026-11-15T14:17:10.078Z", "location_count": 49, "location_summary": "Birmingham, Alabama • Chandler, Arizona • Phoenix, Arizona + 42 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Birmingham", "state": "Alabama" }, { "city": "Chandler", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00546832" }, { "nct_id": "NCT00001132", "title": "Effectiveness of the Early Addition of Abacavir to an Anti-HIV Drug Combination", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "HIV Infections" ], "interventions": [ { "name": "Abacavir sulfate", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "13 Years", "maximum_age": null, "sex": "ALL", "summary": "13 Years and older" }, "enrollment_count": 80, "start_date": "1999-11", "completion_date": "2001-04", "has_results": false, "last_update_posted_date": "2008-09-09", "last_synced_at": "2026-11-15T14:17:10.078Z", "location_count": 29, "location_summary": "Los Angeles, California • Menlo Park, California • San Jose, California + 19 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Menlo Park", "state": "California" }, { "city": "San Jose", "state": "California" }, { "city": "Stanford", "state": "California" }, { "city": "Stanford", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00001132" } ] }