{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Salmeterol+50+%C2%B5g",
    "query": {
      "intervention": "Salmeterol 50 µg"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 14,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Salmeterol+50+%C2%B5g&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T11:23:55.784Z",
  "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": "NCT02649478",
      "title": "Clinical Endpoint Bioequivalence Study for Fluticasone Propionate and Salmeterol Xinafoate",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Fluticasone / Salmeterol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Advair Diskus 100/50",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Roxane Laboratories",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 1430,
      "start_date": "2014-08",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2018-01-23",
      "last_synced_at": "2026-09-26T11:23:55.784Z",
      "location_count": 100,
      "location_summary": "Glendale, Arizona • Phoenix, Arizona • Surprise, Arizona + 75 more",
      "locations": [
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Surprise",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02649478"
    },
    {
      "nct_id": "NCT00669617",
      "title": "Study to Determine the Onset of Action of Indacaterol in Patients With Moderate to Severe 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/fluticasone (50/500 μg)",
          "type": "DRUG"
        },
        {
          "name": "Salbutamol (200 µg)",
          "type": "DRUG"
        },
        {
          "name": "Placebo to Indacaterol",
          "type": "DRUG"
        },
        {
          "name": "Placebo to Salmeterol/fluticasone",
          "type": "DRUG"
        },
        {
          "name": "Placebo to salbutamol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 89,
      "start_date": "2008-04",
      "completion_date": "2008-08",
      "has_results": true,
      "last_update_posted_date": "2011-09-12",
      "last_synced_at": "2026-09-26T11:23:55.784Z",
      "location_count": 5,
      "location_summary": "Tamarac, Florida • Lafayette, Louisiana • Saint Charles, Missouri + 2 more",
      "locations": [
        {
          "city": "Tamarac",
          "state": "Florida"
        },
        {
          "city": "Lafayette",
          "state": "Louisiana"
        },
        {
          "city": "Saint Charles",
          "state": "Missouri"
        },
        {
          "city": "Shelby",
          "state": "North Carolina"
        },
        {
          "city": "Beaver",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00669617"
    },
    {
      "nct_id": "NCT00821093",
      "title": "Safety and Efficacy of Indacaterol Once Daily Versus Salmeterol Twice Daily in Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease (COPD)"
      ],
      "interventions": [
        {
          "name": "Indacaterol 150 µg",
          "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": 1123,
      "start_date": "2009-01",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2011-08-18",
      "last_synced_at": "2026-09-26T11:23:55.784Z",
      "location_count": 74,
      "location_summary": "Anniston, Alabama • Fairhope, Alabama • Jasper, Alabama + 69 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Fairhope",
          "state": "Alabama"
        },
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00821093"
    },
    {
      "nct_id": "NCT03394989",
      "title": "BE Study of Fluticasone Propionate/Salmeterol Inhalation Powder in Asthma Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Bronchial Asthma"
      ],
      "interventions": [
        {
          "name": "Fluticasone propionate/salmeterol 100/50 µg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Advair Diskus 100/50 Dry Powder Inhaler, 60 ACTUAT",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Cipla Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1366,
      "start_date": "2018-10-17",
      "completion_date": "2020-03-31",
      "has_results": false,
      "last_update_posted_date": "2020-08-13",
      "last_synced_at": "2026-09-26T11:23:55.784Z",
      "location_count": 1,
      "location_summary": "Orlando, Florida",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03394989"
    },
    {
      "nct_id": "NCT01172821",
      "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 II",
      "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": 1032,
      "start_date": "2010-08",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2014-06-09",
      "last_synced_at": "2026-09-26T11:23:55.784Z",
      "location_count": 18,
      "location_summary": "Los Angeles, California • Stockton, California • Centennial, Colorado + 15 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Stockton",
          "state": "California"
        },
        {
          "city": "Centennial",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Panama City",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01172821"
    },
    {
      "nct_id": "NCT01079130",
      "title": "Efficacy and Safety of Different Doses of Indacaterol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Indacaterol",
          "type": "DRUG"
        },
        {
          "name": "Salmeterol",
          "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": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 511,
      "start_date": "2010-02",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2011-08-19",
      "last_synced_at": "2026-09-26T11:23:55.784Z",
      "location_count": 71,
      "location_summary": "Glendale, Arizona • Scottsdale, Arizona • Encinitas, California + 64 more",
      "locations": [
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01079130"
    },
    {
      "nct_id": "NCT02554786",
      "title": "A Multicenter Randomized 52 Week Treatment Double-blind, Triple Dummy Parallel Group Study to Assess the Efficacy and Safety of QMF149 Compared to Mometasone Furoate in Participants With Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Indacaterol acetate/Mometasone furoate",
          "type": "DRUG"
        },
        {
          "name": "Mometasone furoate",
          "type": "DRUG"
        },
        {
          "name": "Salmeterol xinafoate/fluticasone propionate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "12 Years to 75 Years"
      },
      "enrollment_count": 2216,
      "start_date": "2015-12-29",
      "completion_date": "2019-06-28",
      "has_results": true,
      "last_update_posted_date": "2020-03-05",
      "last_synced_at": "2026-09-26T11:23:55.784Z",
      "location_count": 29,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Orange, California + 26 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02554786"
    },
    {
      "nct_id": "NCT00529529",
      "title": "Safety of Indacaterol in Patients (≥ 12 Years) With Moderate to Severe Persistent Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Indacaterol 300 μg",
          "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": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 805,
      "start_date": "2007-09",
      "completion_date": "2008-08",
      "has_results": true,
      "last_update_posted_date": "2011-08-29",
      "last_synced_at": "2026-09-26T11:23:55.784Z",
      "location_count": 56,
      "location_summary": "Glendale, Arizona • Phoenix, Arizona • Encinitas, California + 44 more",
      "locations": [
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00529529"
    },
    {
      "nct_id": "NCT01361984",
      "title": "Sunovion Brovana Versus Serevent Inspiratory Capacity High Resolution Computed Tomography",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease",
        "COPD",
        "Emphysema",
        "Chronic Bronchitis"
      ],
      "interventions": [
        {
          "name": "Nebulized arformoterol",
          "type": "DRUG"
        },
        {
          "name": "Salmeterol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2011-06",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2012-07-20",
      "last_synced_at": "2026-09-26T11:23:55.784Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01361984"
    },
    {
      "nct_id": "NCT01907334",
      "title": "Dose-Response of Salmeterol in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Advair Diskus100/50 µg",
          "type": "DRUG"
        },
        {
          "name": "Flovent Diskus 100 µg",
          "type": "DRUG"
        },
        {
          "name": "Methacholine Chloride",
          "type": "DRUG"
        },
        {
          "name": "Albuterol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "4 Years to 11 Years"
      },
      "enrollment_count": 10,
      "start_date": "2013-08",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2014-10-07",
      "last_synced_at": "2026-09-26T11:23:55.784Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01907334"
    }
  ]
}