{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=vilanterol+%28VI%29",
    "query": {
      "intervention": "vilanterol (VI)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 36,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=vilanterol+%28VI%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T10:21:45.147Z",
  "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": "NCT01894386",
      "title": "Pharmacokinetic Study in Healthy Volunteers to Characterise the Exposure of Fluticasone Furoate (FF), Vilanterol (VI) and Umeclidinium (UMEC) at Two Different Doses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "FF 400 mcg",
          "type": "DRUG"
        },
        {
          "name": "UMEC 500 mcg",
          "type": "DRUG"
        },
        {
          "name": "UMEC 250 mcg",
          "type": "DRUG"
        },
        {
          "name": "VI 100 mcg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 48,
      "start_date": "2013-07-15",
      "completion_date": "2013-09-26",
      "has_results": false,
      "last_update_posted_date": "2017-05-15",
      "last_synced_at": "2026-09-24T10:21:45.147Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01894386"
    },
    {
      "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": "2026-09-24T10:21:45.147Z",
      "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": "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": "2026-09-24T10:21:45.147Z",
      "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"
    },
    {
      "nct_id": "NCT02570165",
      "title": "Dose-Finding Study of Batefenterol (GSK961081) Via Dry Powder Inhaler in Patients With Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "Batefenterol",
          "type": "DRUG"
        },
        {
          "name": "Umeclidinium/ Vilanterol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "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": 325,
      "start_date": "2015-11-06",
      "completion_date": "2016-07-06",
      "has_results": true,
      "last_update_posted_date": "2019-07-16",
      "last_synced_at": "2026-09-24T10:21:45.147Z",
      "location_count": 9,
      "location_summary": "Hialeah, Florida • Baltimore, Maryland • St Louis, Missouri + 6 more",
      "locations": [
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Medford",
          "state": "Oregon"
        },
        {
          "city": "Anderson",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02570165"
    },
    {
      "nct_id": "NCT01627327",
      "title": "Study to Evaluate the 24-Hour Pulmonary Function Profile of Fluticasone Furoate/Vilanterol (FF/VI) Inhalation Powder 100/25mcg Once Daily Compared With Tiotropium Bromide Inhalation Powder 18mcg Once Daily in Subjects With COPD Who Have or Are At Risk for Co-morbid Cardiovascular Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "fluticasone furoate/vilanterol 100/25mcg",
          "type": "DRUG"
        },
        {
          "name": "tiotropium bromide 18mcg",
          "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": 623,
      "start_date": "2012-04-01",
      "completion_date": "2012-12-21",
      "has_results": true,
      "last_update_posted_date": "2017-11-09",
      "last_synced_at": "2026-09-24T10:21:45.147Z",
      "location_count": 11,
      "location_summary": "Newport Beach, California • Coeur d'Alene, Idaho • Charlotte, North Carolina + 8 more",
      "locations": [
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Coeur d'Alene",
          "state": "Idaho"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Medford",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01627327"
    },
    {
      "nct_id": "NCT03949842",
      "title": "Legend: TRELEGY Real World Chronic Obstructive Pulmonary Disease (COPD) Effectiveness Study",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "Inhaled corticosteroids/long-acting beta2-adrenergic/long-acting muscarinic receptor antagonists",
          "type": "DRUG"
        },
        {
          "name": "Fluticasone furoate/umeclidinium/vilanterol",
          "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": 0,
      "start_date": "2019-06-27",
      "completion_date": "2022-11-30",
      "has_results": false,
      "last_update_posted_date": "2020-04-22",
      "last_synced_at": "2026-09-24T10:21:45.147Z",
      "location_count": 3,
      "location_summary": "Waterbury, Connecticut • Charlotte, North Carolina • Layton, Utah",
      "locations": [
        {
          "city": "Waterbury",
          "state": "Connecticut"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Layton",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03949842"
    },
    {
      "nct_id": "NCT03474081",
      "title": "A Comparative Study Between Fluticasone Furoate/Umeclidinium/Vilanterol (FF/UMEC/VI) Single Inhaler Triple Therapy Versus Tiotropium Monotherapy in Subjects With Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "FF/UMEC/VI",
          "type": "DRUG"
        },
        {
          "name": "Tiotropium",
          "type": "DRUG"
        },
        {
          "name": "Albuterol/salbutamol",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match FF/UMEC/VI",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match tiotropium",
          "type": "DRUG"
        },
        {
          "name": "ELLIPTA inhaler",
          "type": "DEVICE"
        },
        {
          "name": "HANDIHALER",
          "type": "DEVICE"
        },
        {
          "name": "MDI",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "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": 800,
      "start_date": "2018-03-29",
      "completion_date": "2019-07-17",
      "has_results": true,
      "last_update_posted_date": "2021-07-15",
      "last_synced_at": "2026-09-24T10:21:45.147Z",
      "location_count": 33,
      "location_summary": "Andalusia, Alabama • Huntington Beach, California • Sacramento, California + 29 more",
      "locations": [
        {
          "city": "Andalusia",
          "state": "Alabama"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Simi Valley",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03474081"
    },
    {
      "nct_id": "NCT02152605",
      "title": "A Phase IIIb Study to Evaluate the Efficacy of Umeclidinium/Vilanterol (UMEC/VI) 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",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "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": 498,
      "start_date": "2014-09-01",
      "completion_date": "2015-03-05",
      "has_results": true,
      "last_update_posted_date": "2017-11-09",
      "last_synced_at": "2026-09-24T10:21:45.147Z",
      "location_count": 11,
      "location_summary": "Phoenix, Arizona • Upland, California • Clearwater, Florida + 8 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Upland",
          "state": "California"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Saint Charles",
          "state": "Missouri"
        },
        {
          "city": "Anderson",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02152605"
    },
    {
      "nct_id": "NCT01453023",
      "title": "Inhaled Fluticasone Furoate/Vilanterol Safety and Tolerability, PK and PD Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Fluticasone Furoate",
          "type": "DRUG"
        },
        {
          "name": "Fluticasone Furoate/Vilanterol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "5 Years to 11 Years"
      },
      "enrollment_count": 26,
      "start_date": "2011-10",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2017-01-11",
      "last_synced_at": "2026-09-24T10:21:45.147Z",
      "location_count": 1,
      "location_summary": "Huntington Beach, California",
      "locations": [
        {
          "city": "Huntington Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01453023"
    },
    {
      "nct_id": "NCT02730351",
      "title": "Crossover Study Comparing Fluticasone Furoate (FF)/Vilanterol (VI) Once Daily Versus Fluticasone Propionate (FP) Twice Daily in Subjects With Asthma and Exercise-Induced Bronchoconstriction (EIB)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Fluticasone furoate/ Vilanterol 100 mcg/25 mcg",
          "type": "DRUG"
        },
        {
          "name": "Fluticasone propionate 250 mcg",
          "type": "DRUG"
        },
        {
          "name": "Placebo via ELLIPTA inhaler",
          "type": "DRUG"
        },
        {
          "name": "Placebo via DISKUS / ACCUHALER",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "12 Years to 50 Years"
      },
      "enrollment_count": 75,
      "start_date": "2016-05-25",
      "completion_date": "2017-02-03",
      "has_results": true,
      "last_update_posted_date": "2019-07-16",
      "last_synced_at": "2026-09-24T10:21:45.147Z",
      "location_count": 13,
      "location_summary": "Huntington Beach, California • Los Angeles, California • San Diego, California + 9 more",
      "locations": [
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02730351"
    }
  ]
}