{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Salmeterol+xinafoate",
    "query": {
      "intervention": "Salmeterol xinafoate"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 143,
    "total_pages": 15,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Salmeterol+xinafoate&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-23T14:32:21.957Z",
  "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": "NCT04179461",
      "title": "Personalized Treatment Algorithms for Difficult-to-treat Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma in Children"
      ],
      "interventions": [
        {
          "name": "Cholecalciferol",
          "type": "DRUG"
        },
        {
          "name": "antihistamine",
          "type": "DRUG"
        },
        {
          "name": "Azithromycin",
          "type": "DRUG"
        },
        {
          "name": "emollient cream",
          "type": "DRUG"
        },
        {
          "name": "Fluticasone Propionate",
          "type": "DRUG"
        },
        {
          "name": "Asthma Controller Medication",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 21,
      "start_date": "2018-03-16",
      "completion_date": "2019-10-03",
      "has_results": true,
      "last_update_posted_date": "2021-08-20",
      "last_synced_at": "2026-09-23T14:32:21.957Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04179461"
    },
    {
      "nct_id": "NCT00471809",
      "title": "Childhood Asthma Research and Education (CARE) Network Trial - Montelukast or Azithromycin for Reduction of Inhaled Corticosteroids in Childhood Asthma (MARS)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Budesonide + Salmeterol + Azithromycin",
          "type": "DRUG"
        },
        {
          "name": "Budesonide + Salmeterol + Montelukast",
          "type": "DRUG"
        },
        {
          "name": "Budesonide + Salmeterol + Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 210,
      "start_date": "2006-03",
      "completion_date": "2007-03",
      "has_results": false,
      "last_update_posted_date": "2016-07-29",
      "last_synced_at": "2026-09-23T14:32:21.957Z",
      "location_count": 6,
      "location_summary": "Tucson, Arizona • Los Angeles, California • San Diego, California + 3 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00471809"
    },
    {
      "nct_id": "NCT00268216",
      "title": "Survival Of Subjects With Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "Salmeterol 50mcg/ Fluticasone Propionate 500mcg",
          "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": 6228,
      "start_date": "2000-09",
      "completion_date": "2005-11",
      "has_results": false,
      "last_update_posted_date": "2017-01-20",
      "last_synced_at": "2026-09-23T14:32:21.957Z",
      "location_count": 190,
      "location_summary": "Birmingham, Alabama • Jasper, Alabama • Mobile, Alabama + 152 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00268216"
    },
    {
      "nct_id": "NCT02301975",
      "title": "An Efficacy and Safety Study of Fluticasone Furoate/Vilanterol 100/25 Microgram (mcg) Inhalation Powder, Fluticasone Propionate/Salmeterol 250/50 mcg Inhalation Powder, and Fluticasone Propionate 250 mcg Inhalation Powder in Adults and Adolescents With Persistent Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Fluticasone Furoate/Vilanterol 100/25 mcg via ELLIPTA inhaler",
          "type": "DRUG"
        },
        {
          "name": "Placebo inhalation powders via ELLIPTA inhaler",
          "type": "DRUG"
        },
        {
          "name": "Fluticasone Propionate/Salmeterol 250/50 mcg via ACCUHALER/DISKUS inhaler",
          "type": "DRUG"
        },
        {
          "name": "Placebo inhalation powder via ACCUHALER/DISKUS inhaler",
          "type": "DRUG"
        },
        {
          "name": "Fluticasone Propionate 250 mcg via ACCUHALER/DISKUS inhaler",
          "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": 1526,
      "start_date": "2015-03-01",
      "completion_date": "2016-11-25",
      "has_results": true,
      "last_update_posted_date": "2018-08-06",
      "last_synced_at": "2026-09-23T14:32:21.957Z",
      "location_count": 34,
      "location_summary": "Huntington Beach, California • Riverside, California • Rolling Hills Estates, California + 30 more",
      "locations": [
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Upland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02301975"
    },
    {
      "nct_id": "NCT02260492",
      "title": "Clinical Efficacy Study of Salmeterol Xinafoate/Fluticasone Propionate in Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "OT329 (combination of fluticasone propionate and salmeterol xinafoate)",
          "type": "DRUG"
        },
        {
          "name": "Advair Diskus (combination of fluticasone propionate and salmeterol xinafoate)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oriel Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 879,
      "start_date": "2014-09",
      "completion_date": "2015-07",
      "has_results": true,
      "last_update_posted_date": "2017-06-15",
      "last_synced_at": "2026-09-23T14:32:21.957Z",
      "location_count": 47,
      "location_summary": "Goodyear, Arizona • Tempe, Arizona • Anaheim, California + 40 more",
      "locations": [
        {
          "city": "Goodyear",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02260492"
    },
    {
      "nct_id": "NCT01772368",
      "title": "Dose Ranging Study of the Salmeterol Component of Fluticasone /Salmeterol Spiromax Compared to Fluticasone Spiromax and Advair Diskus in Asthma Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Fp MDPI",
          "type": "DRUG"
        },
        {
          "name": "FS MDPI",
          "type": "DRUG"
        },
        {
          "name": "Advair Diskus",
          "type": "DRUG"
        },
        {
          "name": "Albuterol",
          "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": 72,
      "start_date": "2013-01",
      "completion_date": "2013-06",
      "has_results": true,
      "last_update_posted_date": "2017-06-12",
      "last_synced_at": "2026-09-23T14:32:21.957Z",
      "location_count": 10,
      "location_summary": "Denver, Colorado • North Dartmouth, Massachusetts • St Louis, Missouri + 7 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "North Dartmouth",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Skillman",
          "state": "New Jersey"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01772368"
    },
    {
      "nct_id": "NCT01156792",
      "title": "Safety and Efficacy Study of Adding GSK2190915 to Low Dose Inhaled Corticosteroid Treatment for Asthma Subjects > or = 12 Years of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "FP 100",
          "type": "DRUG"
        },
        {
          "name": "GSK2190915 100",
          "type": "DRUG"
        },
        {
          "name": "GSK2190915 300",
          "type": "DRUG"
        },
        {
          "name": "montelukast",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "FP/SAL 100/50",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "12 Years and older · Female only"
      },
      "enrollment_count": 162,
      "start_date": "2010-09",
      "completion_date": "2011-10",
      "has_results": true,
      "last_update_posted_date": "2017-04-05",
      "last_synced_at": "2026-09-23T14:32:21.957Z",
      "location_count": 32,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Huntington Beach, California + 28 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Vista",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01156792"
    },
    {
      "nct_id": "NCT00358358",
      "title": "Chronic Obstructive Pulmonary Disease Endpoints Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "Fluticasone Propionate/Salmeterol 500/50mcg combination",
          "type": "DRUG"
        },
        {
          "name": "Fluticasone Propionate 500mcg",
          "type": "DRUG"
        },
        {
          "name": "Salmeterol 50mcg",
          "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": 163,
      "start_date": "2006-03",
      "completion_date": "2007-02",
      "has_results": false,
      "last_update_posted_date": "2017-01-20",
      "last_synced_at": "2026-09-23T14:32:21.957Z",
      "location_count": 4,
      "location_summary": "Absecon, New Jersey • Charleston, South Carolina • Greenville, South Carolina + 1 more",
      "locations": [
        {
          "city": "Absecon",
          "state": "New Jersey"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        },
        {
          "city": "Greenville",
          "state": "South Carolina"
        },
        {
          "city": "Spartanburg",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00358358"
    },
    {
      "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": "2026-09-23T14:32:21.957Z",
      "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": "NCT01879410",
      "title": "A Study to Compare the Efficacy and Safety of Umeclidinium/Vilanterol With Fluticasone Propionate/Salmeterol in Subjects With Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "UMEC/VI Inhalation Powder 62.5/25 mcg via NDPI",
          "type": "DRUG"
        },
        {
          "name": "FSC Inhalation Powder 250/50 mcg via ACCUHALER/DISKUS",
          "type": "DRUG"
        },
        {
          "name": "Placebo DISKUS",
          "type": "DRUG"
        },
        {
          "name": "Placebo NDPI",
          "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": 700,
      "start_date": "2013-06-13",
      "completion_date": "2014-01-09",
      "has_results": true,
      "last_update_posted_date": "2017-11-08",
      "last_synced_at": "2026-09-23T14:32:21.957Z",
      "location_count": 15,
      "location_summary": "Tucson, Arizona • Newport Beach, California • Riverside, California + 12 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Coeur d'Alene",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01879410"
    }
  ]
}