{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+to+Salmeterol&page=2", "query": { "intervention": "Placebo to Salmeterol", "page": 2 }, "page_size": 10 }, "pagination": { "page": 2, "page_size": 10, "total_count": 54, "total_pages": 6, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+to+Salmeterol&page=3&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+to+Salmeterol&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-01T04:36:31.403Z", "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": "NCT02573233", "title": "Evaluation of Dupilumab's Effects on Airway Inflammation in Patients With Asthma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Asthma" ], "interventions": [ { "name": "Placebo", "type": "DRUG" }, { "name": "Dupilumab SAR231893/REGN668", "type": "DRUG" }, { "name": "fluticasone propionate and salmeterol", "type": "DRUG" }, { "name": "budesonide and formoterol", "type": "DRUG" }, { "name": "mometasone furoate and formoterol", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Sanofi", "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": 42, "start_date": "2016-01-27", "completion_date": "2018-01-03", "has_results": true, "last_update_posted_date": "2022-04-04", "last_synced_at": "2026-10-01T04:36:31.403Z", "location_count": 6, "location_summary": "Tucson, Arizona • Denver, Colorado • Boston, Massachusetts + 3 more", "locations": [ { "city": "Tucson", "state": "Arizona" }, { "city": "Denver", "state": "Colorado" }, { "city": "Boston", "state": "Massachusetts" }, { "city": "St Louis", "state": "Missouri" }, { "city": "Winston-Salem", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT02573233" }, { "nct_id": "NCT03207243", "title": "Efficacy and Safety Study of GSK3772847 in Subjects With Moderately Severe Asthma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Asthma" ], "interventions": [ { "name": "GSK3772847", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" }, { "name": "Fluticasone propionate/salmeterol", "type": "DRUG" }, { "name": "Fluticasone propionate", "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": 165, "start_date": "2017-09-14", "completion_date": "2019-05-15", "has_results": true, "last_update_posted_date": "2020-03-02", "last_synced_at": "2026-10-01T04:36:31.403Z", "location_count": 33, "location_summary": "Birmingham, Alabama • Scottsboro, Alabama • Bakersfield, California + 24 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Scottsboro", "state": "Alabama" }, { "city": "Bakersfield", "state": "California" }, { "city": "Long Beach", "state": "California" }, { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03207243" }, { "nct_id": "NCT01323621", "title": "Study Evaluating the 24-Hour Pulmonary Function Profile of Fluticasone Furoate (FF) /GW642444 (Vilanterol) (VI) Inhalation Powder 100/25mcg Once Daily Compared With Fluticasone Propionate/Salmeterol Inhalation Powder 250/50mcg Twice Daily in Subjects With Chronic Obstructive Pulmonary Disease (COPD)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pulmonary Disease, Chronic Obstructive" ], "interventions": [ { "name": "Fluticasone Furoate 100mcg/ GW642444 (vilanterol) 25mcg", "type": "DRUG" }, { "name": "Fluticasone Propionate 250mcg / salmeterol 50mcg", "type": "DRUG" }, { "name": "Double-dummy placebo", "type": "DRUG" }, { "name": "Salbutamol as needed", "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": 512, "start_date": "2011-03-18", "completion_date": "2012-01-24", "has_results": true, "last_update_posted_date": "2018-02-15", "last_synced_at": "2026-10-01T04:36:31.403Z", "location_count": 13, "location_summary": "Jasper, Alabama • Riverside, California • DeLand, Florida + 10 more", "locations": [ { "city": "Jasper", "state": "Alabama" }, { "city": "Riverside", "state": "California" }, { "city": "DeLand", "state": "Florida" }, { "city": "Coeur d'Alene", "state": "Idaho" }, { "city": "Minneapolis", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT01323621" }, { "nct_id": "NCT01147848", "title": "HZA113091 Efficacy and Safety of Fluticasone Furoate/Vilanterol (GW642444) in Adults and Adolescents", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Asthma" ], "interventions": [ { "name": "Fluticasone furoate/Vilanterol Inhalation Powder", "type": "DRUG" }, { "name": "Fluticasone propionate/salmeterol Inhalation Powder", "type": "DRUG" }, { "name": "Placebo (1)", "type": "DRUG" }, { "name": "Placebo (2)", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "GlaxoSmithKline", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": null, "sex": "ALL", "summary": "12 Years and older" }, "enrollment_count": 810, "start_date": "2010-06", "completion_date": "2011-07", "has_results": true, "last_update_posted_date": "2017-01-18", "last_synced_at": "2026-10-01T04:36:31.403Z", "location_count": 25, "location_summary": "Huntington Beach, California • Los Angeles, California • Riverside, California + 21 more", "locations": [ { "city": "Huntington Beach", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Riverside", "state": "California" }, { "city": "Rolling Hills Estates", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01147848" }, { "nct_id": "NCT02141854", "title": "Efficacy and Safety Study of FP MDPI Compared With FS MDPI in Adolescent and Adult Patients With Persistent Asthma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Asthma" ], "interventions": [ { "name": "FS MDPI", "type": "DRUG" }, { "name": "Fp MDPI", "type": "DRUG" }, { "name": "Placebo MDPI", "type": "DRUG" }, { "name": "Albuterol/salmeterol HFA MDI", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Teva Branded Pharmaceutical Products R&D, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": null, "sex": "ALL", "summary": "12 Years and older" }, "enrollment_count": 882, "start_date": "2014-06", "completion_date": "2015-09", "has_results": true, "last_update_posted_date": "2021-11-09", "last_synced_at": "2026-10-01T04:36:31.403Z", "location_count": 85, "location_summary": "Birmingham, Alabama • Little Rock, Alaska • Phoenix, Arizona + 74 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Little Rock", "state": "Alaska" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Costa Mesa", "state": "California" }, { "city": "Encinitas", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT02141854" }, { "nct_id": "NCT00668772", "title": "Tiotropium/Salmeterol Inhalation Powder in COPD", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pulmonary Disease, Chronic Obstructive" ], "interventions": [ { "name": "Tiotropium/Salmeterol", "type": "DRUG" }, { "name": "Salmeterol", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" }, { "name": "Tiotropium", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Boehringer Ingelheim", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "40 Years", "maximum_age": null, "sex": "ALL", "summary": "40 Years and older" }, "enrollment_count": 207, "start_date": "2008-04-15", "completion_date": "2008-11-21", "has_results": true, "last_update_posted_date": "2026-07-16", "last_synced_at": "2026-10-01T04:36:31.403Z", "location_count": 16, "location_summary": "Anniston, Alabama • Mobile, Alabama • Clearwater, Florida + 10 more", "locations": [ { "city": "Anniston", "state": "Alabama" }, { "city": "Mobile", "state": "Alabama" }, { "city": "Clearwater", "state": "Florida" }, { "city": "Tampa", "state": "Florida" }, { "city": "Tampa", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT00668772" }, { "nct_id": "NCT00808288", "title": "A Study To Investigate The Safety, Toleration And Efficacy of PF00610355 In Chronic Obstructive Pulmonary Disease (COPD) Patients.", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Pulmonary Disease, Chronic Obstructive", "Lung Diseases", "Lung Diseases, Obstructive" ], "interventions": [ { "name": "PF- 00610355", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" }, { "name": "Salmeterol", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "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": 405, "start_date": "2010-03", "completion_date": "2010-12", "has_results": false, "last_update_posted_date": "2019-02-06", "last_synced_at": "2026-10-01T04:36:31.403Z", "location_count": 30, "location_summary": "Fairhope, Alabama • San Diego, California • Spring Valley, California + 22 more", "locations": [ { "city": "Fairhope", "state": "Alabama" }, { "city": "San Diego", "state": "California" }, { "city": "Spring Valley", "state": "California" }, { "city": "Wheat Ridge", "state": "Colorado" }, { "city": "Daytona Beach", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT00808288" }, { "nct_id": "NCT01324362", "title": "GSK BHR Study (Sont - Second Study)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Asthma" ], "interventions": [ { "name": "Placebo", "type": "DRUG" }, { "name": "FP 100mcg", "type": "DRUG" }, { "name": "FP 250mcg", "type": "DRUG" }, { "name": "FP 500mcg", "type": "DRUG" }, { "name": "FSC 100/50mcg", "type": "DRUG" }, { "name": "FSC 250/50mcg", "type": "DRUG" }, { "name": "FSC500/50mcg", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "GlaxoSmithKline", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": null, "sex": "ALL", "summary": "12 Years and older" }, "enrollment_count": 446, "start_date": "2003-01", "completion_date": "2004-10", "has_results": false, "last_update_posted_date": "2016-09-01", "last_synced_at": "2026-10-01T04:36:31.403Z", "location_count": 51, "location_summary": "Birmingham, Alabama • Jasper, Alabama • Glendale, Arizona + 43 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Jasper", "state": "Alabama" }, { "city": "Glendale", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Huntington Beach", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01324362" }, { "nct_id": "NCT01172808", "title": "Evaluation of Tiotropium 2.5 and 5 mcg Once Daily Delivered Via the Respimat® Inhaler Compared to Placebo and Salmeterol HydroFluoroAlkane (HFA) Metered Dose Inhaler (MDI) (50 mcg Twice Daily) in Patient With Moderate Persistent Asthma I", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Asthma" ], "interventions": [ { "name": "Placebo", "type": "DRUG" }, { "name": "tiotropium Respimat® low dose", "type": "DRUG" }, { "name": "tiotropium Respimat® high dose", "type": "DRUG" }, { "name": "50 mcg salmeterol HFA MDI", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Boehringer Ingelheim", "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": 1071, "start_date": "2010-08", "completion_date": "2012-11", "has_results": true, "last_update_posted_date": "2014-06-09", "last_synced_at": "2026-10-01T04:36:31.403Z", "location_count": 21, "location_summary": "Huntington Beach, California • Mission Viejo, California • San Diego, California + 17 more", "locations": [ { "city": "Huntington Beach", "state": "California" }, { "city": "Mission Viejo", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "Wheat Ridge", "state": "Colorado" }, { "city": "Coeur d'Alene", "state": "Idaho" } ], "official_url": "https://clinicaltrials.gov/study/NCT01172808" }, { "nct_id": "NCT02139644", "title": "Study of Fluticasone Propionate MDPI Compared With Fluticasone/Salmeterol MDPI in Adolescent and Adult Patients With Persistent Asthma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Asthma" ], "interventions": [ { "name": "FS MDPI", "type": "DRUG" }, { "name": "Fp MDPI", "type": "DRUG" }, { "name": "Placebo MDPI", "type": "DRUG" }, { "name": "albuterol/salbutamol", "type": "DRUG" }, { "name": "Beclomethasone dipropionate", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Teva Branded Pharmaceutical Products R&D, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": null, "sex": "ALL", "summary": "12 Years and older" }, "enrollment_count": 787, "start_date": "2014-06", "completion_date": "2015-09", "has_results": true, "last_update_posted_date": "2021-11-12", "last_synced_at": "2026-10-01T04:36:31.403Z", "location_count": 76, "location_summary": "Birmingham, Alabama • Glendale, Arizona • Cypress, California + 64 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Glendale", "state": "Arizona" }, { "city": "Cypress", "state": "California" }, { "city": "Encinitas", "state": "California" }, { "city": "Fountain Valley", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT02139644" } ] }