{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+to+salmeterol&page=3",
    "query": {
      "intervention": "Placebo to salmeterol",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 54,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+to+salmeterol&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+to+salmeterol&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T09:43:02.016Z",
  "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": "2026-10-06T09:43:02.016Z",
      "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": "NCT01089127",
      "title": "Efficacy and Safety of Different Doses of Indacaterol in Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Indacaterol",
          "type": "DRUG"
        },
        {
          "name": "Salmeterol 50 μg",
          "type": "DRUG"
        },
        {
          "name": "Placebo to indacaterol",
          "type": "DRUG"
        },
        {
          "name": "Placebo to salmeterol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 552,
      "start_date": "2010-03",
      "completion_date": "2010-07",
      "has_results": true,
      "last_update_posted_date": "2011-08-19",
      "last_synced_at": "2026-10-06T09:43:02.016Z",
      "location_count": 69,
      "location_summary": "Florence, Alabama • Jasper, Alabama • Phoenix, Arizona + 63 more",
      "locations": [
        {
          "city": "Florence",
          "state": "Alabama"
        },
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Searcy",
          "state": "Arkansas"
        },
        {
          "city": "Fullerton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01089127"
    },
    {
      "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": "2026-10-06T09:43:02.016Z",
      "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": "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": "2026-10-06T09:43:02.016Z",
      "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": "NCT06040268",
      "title": "Advair HFA in Healthy and HAPE Predisposed Subjects",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Altitude Edema"
      ],
      "interventions": [
        {
          "name": "Advair HFA",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "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": 60,
      "start_date": "2023-12-12",
      "completion_date": "2026-12-15",
      "has_results": false,
      "last_update_posted_date": "2025-09-22",
      "last_synced_at": "2026-10-06T09:43:02.016Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06040268"
    },
    {
      "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": "2026-10-06T09:43:02.016Z",
      "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": "NCT00503009",
      "title": "Study Of RV-39 In Patients Who Also Have Asthma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "fluticasone propionate/salmeterol",
          "type": "DRUG"
        },
        {
          "name": "fluticasone propionate",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 16,
      "start_date": "2007-10",
      "completion_date": "2008-07",
      "has_results": true,
      "last_update_posted_date": "2016-12-28",
      "last_synced_at": "2026-10-06T09:43:02.016Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00503009"
    },
    {
      "nct_id": "NCT01868009",
      "title": "DISKUS vs. ELLIPTA Device Preference Study in Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "ELLIPTA",
          "type": "DEVICE"
        },
        {
          "name": "DISKUS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 287,
      "start_date": "2013-05",
      "completion_date": "2013-07",
      "has_results": true,
      "last_update_posted_date": "2014-03-04",
      "last_synced_at": "2026-10-06T09:43:02.016Z",
      "location_count": 17,
      "location_summary": "Jasper, Alabama • Riverside, California • Clearwater, Florida + 14 more",
      "locations": [
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Leesburg",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01868009"
    },
    {
      "nct_id": "NCT02397499",
      "title": "Evaluating the Safety and Efficacy of LIPO-202 for the Reduction of Central Abdominal Bulging Due to Subcutaneous Fat",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Central Abdominal Bulging"
      ],
      "interventions": [
        {
          "name": "LIPO-202",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Neothetics, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 800,
      "start_date": "2015-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-01-08",
      "last_synced_at": "2026-10-06T09:43:02.016Z",
      "location_count": 31,
      "location_summary": "Tucson, Arizona • Hot Springs, Arkansas • Beverly Hills, California + 26 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Fremont",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02397499"
    },
    {
      "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": "2026-10-06T09:43:02.016Z",
      "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"
    }
  ]
}