{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=125%2F25+mcg+once-daily+GSK573719%2FGW642444",
    "query": {
      "intervention": "125/25 mcg once-daily GSK573719/GW642444"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 3,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T18:21:37.974Z",
  "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": "NCT01316887",
      "title": "A 52-Week, Multicenter, Randomized, Double-Blind, Parallel-Group, Placebo-Controlled Study to Evaluate the Safety and Tolerability of GSK573719/GW642444 and GSK573719 in Subjects With Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "125/25 mcg once-daily GSK573719/GW642444",
          "type": "DRUG"
        },
        {
          "name": "125mcg once-daily GSK573719",
          "type": "DRUG"
        },
        {
          "name": "Placebo once-daily",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "40 Years to 120 Years"
      },
      "enrollment_count": 563,
      "start_date": "2011-01-01",
      "completion_date": "2012-07-21",
      "has_results": true,
      "last_update_posted_date": "2018-05-02",
      "last_synced_at": "2026-10-09T18:21:37.974Z",
      "location_count": 15,
      "location_summary": "Mobile, Alabama • Sunset, Louisiana • Plymouth, Minnesota + 12 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Sunset",
          "state": "Louisiana"
        },
        {
          "city": "Plymouth",
          "state": "Minnesota"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01316887"
    },
    {
      "nct_id": "NCT01316900",
      "title": "24-week Trial Comparing GSK573719/GW642444 With GW642444 and With Tiotropium in Chronic Obstructive Pulmonary Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "GSK573719/GW642444 125/25",
          "type": "DRUG"
        },
        {
          "name": "GSK573719/GW642444 62.5/25",
          "type": "DRUG"
        },
        {
          "name": "GW642444",
          "type": "DRUG"
        },
        {
          "name": "tiotropium bromide",
          "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": 846,
      "start_date": "2011-03-01",
      "completion_date": "2012-04-24",
      "has_results": true,
      "last_update_posted_date": "2018-01-24",
      "last_synced_at": "2026-10-09T18:21:37.974Z",
      "location_count": 19,
      "location_summary": "Birmingham, Alabama • San Diego, California • DeLand, Florida + 16 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01316900"
    },
    {
      "nct_id": "NCT01316913",
      "title": "24-week Trial Comparing GSK573719/GW642444 With GSK573719 and With Tiotropium in Chronic Obstructive Pulmonary Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "GSK573719/GW642444 125/25",
          "type": "DRUG"
        },
        {
          "name": "GSK573719/GW642444 62.5/25",
          "type": "DRUG"
        },
        {
          "name": "GSK573719",
          "type": "DRUG"
        },
        {
          "name": "tiotropium bromide",
          "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": 872,
      "start_date": "2011-03",
      "completion_date": "2012-04",
      "has_results": true,
      "last_update_posted_date": "2017-04-04",
      "last_synced_at": "2026-10-09T18:21:37.974Z",
      "location_count": 20,
      "location_summary": "Jasper, Alabama • Mobile, Alabama • Huntington Beach, California + 17 more",
      "locations": [
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01316913"
    }
  ]
}