{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pulmonary+Hypertension+Associated+With+Chronic+Obstructive+Pulmonary+Disease",
    "query": {
      "condition": "Pulmonary Hypertension Associated With Chronic Obstructive Pulmonary Disease"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 9,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-11-07T23:05:14.100Z",
  "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": "NCT04370873",
      "title": "Frespaciguat (MK-5475) in Participants With Pulmonary Hypertension Associated With Chronic Obstructive Pulmonary Disease (PH-COPD) (MK-5475-006)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "Frespaciguat",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "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": 22,
      "start_date": "2020-06-05",
      "completion_date": "2022-01-12",
      "has_results": true,
      "last_update_posted_date": "2025-05-28",
      "last_synced_at": "2026-11-07T23:05:14.100Z",
      "location_count": 6,
      "location_summary": "Lexington, Kentucky • Baltimore, Maryland • Boston, Massachusetts + 2 more",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04370873"
    },
    {
      "nct_id": "NCT01728220",
      "title": "Two-Part Dose-Confirming Study of Pulsed Inhaled Nitric Oxide in Subjects With WHO Group 3 Pulmonary Hypertension Associated With COPD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pulmonary Hypertension",
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Inhaled NO delivered via INOpulse DS-C Device",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo delivered via INOpulse DS-C Device",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Bellerophon Pulse Technologies",
      "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": 159,
      "start_date": "2012-12",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2023-02-27",
      "last_synced_at": "2026-11-07T23:05:14.100Z",
      "location_count": 43,
      "location_summary": "Jasper, Alabama • Flagstaff, Arizona • Phoenix, Arizona + 35 more",
      "locations": [
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Flagstaff",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Danbury",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01728220"
    },
    {
      "nct_id": "NCT01862536",
      "title": "Tadalafil for Pulmonary Hypertension Due to Chronic Lung Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pulmonary Hypertension",
        "Chronic Obstructive Pulmonary Disease (COPD)"
      ],
      "interventions": [
        {
          "name": "Tadalafil",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "40 Years to 85 Years"
      },
      "enrollment_count": 44,
      "start_date": "2013-10-01",
      "completion_date": "2019-08-31",
      "has_results": true,
      "last_update_posted_date": "2021-03-09",
      "last_synced_at": "2026-11-07T23:05:14.100Z",
      "location_count": 5,
      "location_summary": "West Los Angeles, California • Denver, Colorado • Decatur, Georgia + 2 more",
      "locations": [
        {
          "city": "West Los Angeles",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01862536"
    },
    {
      "nct_id": "NCT07923526",
      "title": "An Open-Label Extension Study to Evaluate Inhaled Treprostinil SMI in Participants With Pulmonary Hypertension Associated With Chronic Obstructive Pulmonary Disease (PH-COPD)",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Hypertension Associated With Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "treprostinil SMI (treprostinil inhalation spray)",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "United Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2027-03",
      "completion_date": "2034-09",
      "has_results": false,
      "last_update_posted_date": "2026-11-06",
      "last_synced_at": "2026-11-07T23:05:14.100Z",
      "location_count": 15,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona • Palo Alto, California + 11 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07923526"
    },
    {
      "nct_id": "NCT01758744",
      "title": "Treatment of Pulmonary Hypertension Associated COPD With Inhaled Treprostinil-1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pulmonary Hypertension",
        "COPD"
      ],
      "interventions": [
        {
          "name": "Inhaled Treprostinil Therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "30 Years to 80 Years"
      },
      "enrollment_count": 10,
      "start_date": "2012-12",
      "completion_date": "2016-07",
      "has_results": false,
      "last_update_posted_date": "2016-07-20",
      "last_synced_at": "2026-11-07T23:05:14.100Z",
      "location_count": 2,
      "location_summary": "Aurora, Colorado • Jacksonville, Florida",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01758744"
    },
    {
      "nct_id": "NCT07923591",
      "title": "Study of Treprostinil Administered Via Soft Mist Inhaler (SMI) in Participants With Pulmonary Hypertension Associated With Chronic Obstructive Pulmonary Disease (PH-COPD)",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pulmonary Hypertension Associated With Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "treprostinil SMI (treprostinil inhalation spray)",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo (placebo inhalation spray)",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "United Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2026-11",
      "completion_date": "2028-05",
      "has_results": false,
      "last_update_posted_date": "2026-11-06",
      "last_synced_at": "2026-11-07T23:05:14.100Z",
      "location_count": 16,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 12 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07923591"
    },
    {
      "nct_id": "NCT00323024",
      "title": "Dose Determination Safety and Activity Study of Inhaled NX1011 to Treat Pulmonary Arterial Hypertension",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "NX1011",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NITROX, LLC",
      "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": 72,
      "start_date": "2006-09",
      "completion_date": "2007-05",
      "has_results": false,
      "last_update_posted_date": "2007-08-30",
      "last_synced_at": "2026-11-07T23:05:14.100Z",
      "location_count": 6,
      "location_summary": "Phoenix, Arizona • La Jolla, California • Newark, Delaware + 3 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Newark",
          "state": "Delaware"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00323024"
    },
    {
      "nct_id": "NCT03840928",
      "title": "PatientSpot Formerly Known as ArthritisPower",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rheumatoid Arthritis",
        "Ankylosing Spondylitis",
        "Fibromyalgia",
        "Gout",
        "Crohn Disease",
        "Juvenile Idiopathic Arthritis",
        "Lupus Erythematosus",
        "Myositis",
        "Osteoarthritis",
        "Osteoporosis",
        "Psoriasis",
        "Psoriatic Arthritis",
        "Scleroderma",
        "Dermatomyositis",
        "Inflammatory Bowel Diseases",
        "Polymyositis",
        "Axial Spondyloarthritis",
        "Diffuse Idiopathic Skeletal Hyperostosis",
        "Polymyalgia Rheumatica",
        "Giant Cell Arteritis",
        "Temporal Arteritis",
        "Wegener",
        "Relapsing Polychondritis",
        "Undifferentiated Connective Tissue Disease",
        "Spinal Cord Injuries",
        "Alzheimer Disease",
        "Amyotrophic Lateral Sclerosis",
        "Ataxia",
        "Bell Palsy",
        "Brain Tumor",
        "Cerebral Aneurysm",
        "Epilepsy",
        "Guillain-Barre Syndrome",
        "Headache",
        "Head Injury",
        "Hydrocephalus",
        "Lumbar Disc Disease",
        "Meningitis",
        "Multiple Sclerosis",
        "Muscular Dystrophy",
        "Neurocutaneous Syndromes",
        "Parkinson Disease",
        "Stroke",
        "Cluster Headache",
        "Tension-Type Headache",
        "Chronic Obstructive Pulmonary Disease",
        "Asthma",
        "Lung Cancer",
        "Cystic Fibrosis",
        "Sleep Apnea",
        "Eczema",
        "Alopecia",
        "Chronic Inflammation",
        "Unstable Angina",
        "Heart Attack",
        "Heart Failure",
        "Arrythmia",
        "Valve Heart Disease",
        "High Blood Pressure",
        "Congenital Heart Disease",
        "Peripheral Arterial Disease",
        "Diabetes",
        "Chronic Liver Disease",
        "Obesity"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Global Healthy Living Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 40000,
      "start_date": "2015-04-01",
      "completion_date": "2025-03-01",
      "has_results": false,
      "last_update_posted_date": "2023-12-13",
      "last_synced_at": "2026-11-07T23:05:14.100Z",
      "location_count": 1,
      "location_summary": "Upper Nyack, New York",
      "locations": [
        {
          "city": "Upper Nyack",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03840928"
    },
    {
      "nct_id": "NCT05612035",
      "title": "Frespaciguat (MK-5475) INSIGNIA-PH-COPD: A Study of the Efficacy and Safety of Frespaciguat (an Inhaled sGC Stimulator) in Adults With PH-COPD",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pulmonary Hypertension",
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Frespaciguat",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "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": 129,
      "start_date": "2023-03-16",
      "completion_date": "2029-10-08",
      "has_results": false,
      "last_update_posted_date": "2026-05-01",
      "last_synced_at": "2026-11-07T23:05:14.100Z",
      "location_count": 18,
      "location_summary": "San Francisco, California • Aurora, Colorado • Sebring, Florida + 15 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Sebring",
          "state": "Florida"
        },
        {
          "city": "Elk Grove Village",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05612035"
    }
  ]
}