{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Thromboembolic+Pulmonary+Hypertension&page=2",
    "query": {
      "condition": "Chronic Thromboembolic Pulmonary Hypertension",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Thromboembolic+Pulmonary+Hypertension&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T15:20:13.784Z",
  "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": "NCT04071327",
      "title": "Pulmonary Hypertension Association Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Arterial Hypertension",
        "Chronic Thromboembolic Pulmonary Hypertension",
        "Pulmonary Hypertension"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Pulmonary Hypertension Association, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "0 Years and older"
      },
      "enrollment_count": 3000,
      "start_date": "2015-10",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2025-11-14",
      "last_synced_at": "2026-06-10T15:20:13.784Z",
      "location_count": 52,
      "location_summary": "Phoenix, Arizona • Sacramento, California • San Francisco, California + 40 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Santa Barbara",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04071327"
    },
    {
      "nct_id": "NCT01894022",
      "title": "A Open Label Study to Assess the Long-term Safety, Tolerability and Efficacy of Ambrisentan in Subjects With Inoperable Chronic Thromboembolic Pulmonary Hypertension (CTEPH)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Ambrisentan 5 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 19,
      "start_date": "2014-01-23",
      "completion_date": "2015-11-18",
      "has_results": true,
      "last_update_posted_date": "2017-09-11",
      "last_synced_at": "2026-06-10T15:20:13.784Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Dallas, Texas",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01894022"
    },
    {
      "nct_id": "NCT01884675",
      "title": "Ambrisentan for Inoperable Chronic Thromboembolic Pulmonary Hypertension.",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Ambrisentan 5 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 33,
      "start_date": "2013-09",
      "completion_date": "2015-03",
      "has_results": true,
      "last_update_posted_date": "2017-03-06",
      "last_synced_at": "2026-06-10T15:20:13.784Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Dallas, Texas",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01884675"
    },
    {
      "nct_id": "NCT05140525",
      "title": "Effects of Combination Medical Therapy Followed by BPA on Right Ventricular-PA Coupling and Hemodynamics in CTEPH",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "CTEPH"
      ],
      "interventions": [
        {
          "name": "Macitentan Tablets",
          "type": "DRUG"
        },
        {
          "name": "Riociguat",
          "type": "DRUG"
        },
        {
          "name": "balloon pulmonary angioplasty",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Dr Sudarshan Rajagopal",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2025-01-27",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-10-21",
      "last_synced_at": "2026-06-10T15:20:13.784Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05140525"
    },
    {
      "nct_id": "NCT05133713",
      "title": "Ventilation and Perfusion Scan in Pulmonary Embolism Following Catheter Directed Thrombectomy Versus Anticoagulation Alone",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Embolism",
        "Pulmonary Hypertension",
        "Chronic Thromboembolic Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "Catheter directed therapy",
          "type": "DEVICE"
        },
        {
          "name": "Systemic anticoagulation",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2022-04-01",
      "completion_date": "2024-01-01",
      "has_results": false,
      "last_update_posted_date": "2022-09-23",
      "last_synced_at": "2026-06-10T15:20:13.784Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05133713"
    },
    {
      "nct_id": "NCT03579862",
      "title": "Identification of Heritable CTEPH",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Thromboembolic Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Intermountain Health Care, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 260,
      "start_date": "2013-12-25",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-10-18",
      "last_synced_at": "2026-06-10T15:20:13.784Z",
      "location_count": 1,
      "location_summary": "Murray, Utah",
      "locations": [
        {
          "city": "Murray",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03579862"
    },
    {
      "nct_id": "NCT02114047",
      "title": "Pulmonary Perfusion Heterogeneity in Patients With CTEPH Using Functional PET Imaging",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Thromboembolic Pulmonary Hypertension"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 5,
      "start_date": "2014-02",
      "completion_date": "2017-01",
      "has_results": false,
      "last_update_posted_date": "2017-03-23",
      "last_synced_at": "2026-06-10T15:20:13.784Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02114047"
    },
    {
      "nct_id": "NCT07217522",
      "title": "Rutgers University Study of the Genetics of Pulmonary Hypertension",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Hypertension",
        "Pulmonary Arterial Hypertension",
        "Pulmonary Arterial Hypertension (PAH) (WHO Group 1 PH)",
        "Pulmonary Arterial Hypertension Associated With Connective Tissue Disease",
        "Pulmonary Arterial Hypertension Associated With Connective Tissue Disease (Disorder)",
        "Pulmonary Arterial Hypertension Associated With Schistosomiasis (Disorder)",
        "Pulmonary Arterial Hypertension of Congenital Heart Disease",
        "Pulmonary Arterial and Chronic Thromboembolic Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "Saliva sample",
          "type": "GENETIC"
        },
        {
          "name": "Health surveys",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10000,
      "start_date": "2025-08-23",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-03",
      "last_synced_at": "2026-06-10T15:20:13.784Z",
      "location_count": 1,
      "location_summary": "Piscataway, New Jersey",
      "locations": [
        {
          "city": "Piscataway",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07217522"
    },
    {
      "nct_id": "NCT03470207",
      "title": "The Prospective Risk Factor Evaluation & Discovery In CTEPH Study",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Thromboembolic Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "Post-pulmonary embolism follow up protocol",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Mark W. Dodson",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 130,
      "start_date": "2018-04-17",
      "completion_date": "2021-08",
      "has_results": false,
      "last_update_posted_date": "2019-05-17",
      "last_synced_at": "2026-06-10T15:20:13.784Z",
      "location_count": 1,
      "location_summary": "Murray, Utah",
      "locations": [
        {
          "city": "Murray",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03470207"
    },
    {
      "nct_id": "NCT04271475",
      "title": "A Study to Evaluate Efficacy and Safety of Macitentan 75 mg in Inoperable or Persistent/Recurrent Chronic Thromboembolic Pulmonary Hypertension",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Thromboembolic Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "Macitentan",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Actelion",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 127,
      "start_date": "2020-07-07",
      "completion_date": "2023-12-21",
      "has_results": true,
      "last_update_posted_date": "2025-06-27",
      "last_synced_at": "2026-06-10T15:20:13.784Z",
      "location_count": 24,
      "location_summary": "La Jolla, California • Los Angeles, California • Sacramento, California + 20 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04271475"
    }
  ]
}