{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Obstructive+Pulmonary+Disease",
    "query": {
      "condition": "Obstructive Pulmonary Disease"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 3133,
    "total_pages": 314,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Obstructive+Pulmonary+Disease&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T05:44:02.485Z",
  "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": "NCT01158573",
      "title": "Role of Cysteinyl Leukotrienes in the Pathogenesis of Asthma in Obesity",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma",
        "Obesity"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 117,
      "start_date": "2010-07",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2018-01-24",
      "last_synced_at": "2026-05-22T05:44:02.485Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01158573"
    },
    {
      "nct_id": "NCT00857766",
      "title": "A 16-Week Study to Evaluate the Effect of Advair DISKUS™ 250/50mcg on Arterial Stiffness in Subjects With Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "ADVAIR DISKUS™ 250/50mcg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 249,
      "start_date": "2009-03",
      "completion_date": "2010-03",
      "has_results": true,
      "last_update_posted_date": "2017-01-30",
      "last_synced_at": "2026-05-22T05:44:02.485Z",
      "location_count": 24,
      "location_summary": "Birmingham, Alabama • Jasper, Alabama • Mobile, Alabama + 21 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00857766"
    },
    {
      "nct_id": "NCT01110200",
      "title": "Chronic Obstructive Pulmonary Disease (COPD) Post-hospitalization Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "ADVAIR DISKUS 250/50 mg BID",
          "type": "DRUG"
        },
        {
          "name": "SEREVENT 50 mcg BID",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "40 Years to 85 Years"
      },
      "enrollment_count": 639,
      "start_date": "2010-04-30",
      "completion_date": "2012-05-08",
      "has_results": true,
      "last_update_posted_date": "2017-11-08",
      "last_synced_at": "2026-05-22T05:44:02.485Z",
      "location_count": 74,
      "location_summary": "Birmingham, Alabama • Florence, Alabama • Mobile, Alabama + 66 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Florence",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01110200"
    },
    {
      "nct_id": "NCT01311661",
      "title": "A Study to Compare the Efficacy and Safety of Different Dosings of Olodaterol Administered With the Respimat® Inhaler in Patients With Moderate to Severe Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Placebo twice daily",
          "type": "DRUG"
        },
        {
          "name": "Olodaterol low daily dose twice daily",
          "type": "DRUG"
        },
        {
          "name": "Olodaterol medium daily dose twice daily",
          "type": "DRUG"
        },
        {
          "name": "Olodaterol high daily dose once daily and placebo",
          "type": "DRUG"
        },
        {
          "name": "Olodaterol medium daily dose once daily and placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 206,
      "start_date": "2011-03",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2014-05-01",
      "last_synced_at": "2026-05-22T05:44:02.485Z",
      "location_count": 12,
      "location_summary": "Huntington Beach, California • Centennial, Colorado • Wheat Ridge, Colorado + 9 more",
      "locations": [
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Centennial",
          "state": "Colorado"
        },
        {
          "city": "Wheat Ridge",
          "state": "Colorado"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "North Dartmouth",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01311661"
    },
    {
      "nct_id": "NCT00576069",
      "title": "Mechanism(s)of Airflow Limitation in Moderate-severe Persistent Asthma",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "budesonide/formoterol",
          "type": "DRUG"
        },
        {
          "name": "fluticasone/salmeterol",
          "type": "DRUG"
        },
        {
          "name": "mometasone/formoterol",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gelb, Arthur F., M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "10 Years to 95 Years"
      },
      "enrollment_count": 60,
      "start_date": "2007-10-25",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2023-10-26",
      "last_synced_at": "2026-05-22T05:44:02.485Z",
      "location_count": 1,
      "location_summary": "Lakewood, California",
      "locations": [
        {
          "city": "Lakewood",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00576069"
    },
    {
      "nct_id": "NCT00685529",
      "title": "Study of Arformoterol Tartrate Inhalation Solution and Racemic Formoterol in Subjects With Mild to Moderate Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "COPD"
      ],
      "interventions": [
        {
          "name": "Racemic formoterol",
          "type": "DRUG"
        },
        {
          "name": "Arformoterol tartrate inhalation solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sumitomo Pharma America, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "35 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2005-04",
      "completion_date": "2005-10",
      "has_results": false,
      "last_update_posted_date": "2012-02-22",
      "last_synced_at": "2026-05-22T05:44:02.485Z",
      "location_count": 6,
      "location_summary": "Long Beach, California • Fort Lauderdale, Florida • Raleigh, North Carolina + 3 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        },
        {
          "city": "Simpsonville",
          "state": "South Carolina"
        },
        {
          "city": "Spartanburg",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00685529"
    },
    {
      "nct_id": "NCT00339872",
      "title": "Study Evaluating IMA-638 in Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "IMA-638",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wyeth is now a wholly owned subsidiary of Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": null,
      "start_date": "2006-02",
      "completion_date": "2007-04",
      "has_results": false,
      "last_update_posted_date": "2007-12-05",
      "last_synced_at": "2026-05-22T05:44:02.485Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00339872"
    },
    {
      "nct_id": "NCT02502201",
      "title": "Environment Effect on Six-Minute Walk Test Performance",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease",
        "Alpha-1 Antitrypsin Deficiency"
      ],
      "interventions": [
        {
          "name": "six-minute walk study indoors",
          "type": "OTHER"
        },
        {
          "name": "six-minute walk study outdoors",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2015-10",
      "completion_date": "2017-08-30",
      "has_results": false,
      "last_update_posted_date": "2019-08-22",
      "last_synced_at": "2026-05-22T05:44:02.485Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02502201"
    },
    {
      "nct_id": "NCT04043728",
      "title": "Addressing Psychological Risk Factors Underlying Smoking Persistence in COPD Patients: The Fresh Start Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Copd",
        "Smoking Cessation",
        "Nicotine Dependence",
        "Tobacco Use",
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Unified Protocol adapted for smoking cessation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2019-09-09",
      "completion_date": "2020-03-31",
      "has_results": true,
      "last_update_posted_date": "2021-03-17",
      "last_synced_at": "2026-05-22T05:44:02.485Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04043728"
    },
    {
      "nct_id": "NCT01029665",
      "title": "Early Childhood Follow-up of Congenital Diaphragmatic Hernia Survivors",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hernia, Diaphragmatic"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "4 Years to 6 Years"
      },
      "enrollment_count": 16,
      "start_date": "2008-09",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2024-04-12",
      "last_synced_at": "2026-05-22T05:44:02.485Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01029665"
    }
  ]
}