{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Thromboembolic+Disease&page=2",
    "query": {
      "condition": "Chronic Thromboembolic Disease",
      "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+Disease&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T17:36:56.428Z",
  "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": "NCT00855465",
      "title": "A Study to Evaluate Efficacy and Safety of Oral BAY63-2521 in Patients With CTEPH.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "Riociguat (Adempas, BAY63-2521)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "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": 262,
      "start_date": "2009-02-23",
      "completion_date": "2012-06-27",
      "has_results": true,
      "last_update_posted_date": "2023-11-21",
      "last_synced_at": "2026-07-23T17:36:56.428Z",
      "location_count": 9,
      "location_summary": "La Jolla, California • Sacramento, California • Miami, Florida + 6 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00855465"
    },
    {
      "nct_id": "NCT05568927",
      "title": "Validation of SEARCH, a Novel Hierarchical Algorithm to Define Long-term Outcomes After Pulmonary Embolism",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Embolism",
        "Chronic Thromboembolic Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "SEARCH algorithm",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2022-11-15",
      "completion_date": "2025-06-13",
      "has_results": false,
      "last_update_posted_date": "2025-11-04",
      "last_synced_at": "2026-07-23T17:36:56.428Z",
      "location_count": 8,
      "location_summary": "Fresno, California • Irvine, California • Los Angeles, California + 5 more",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Moreno Valley",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05568927"
    },
    {
      "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": "2026-07-23T17:36:56.428Z",
      "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": "NCT05843500",
      "title": "Chronic Thromboembolic Disease Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Thromboembolic Pulmonary Hypertension",
        "Chronic Thromboembolic Disease"
      ],
      "interventions": [
        {
          "name": "Survey",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2023-08-01",
      "completion_date": "2028-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-14",
      "last_synced_at": "2026-07-23T17:36:56.428Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05843500"
    },
    {
      "nct_id": "NCT04393909",
      "title": "Improving Safety of Diagnosis and Therapy in the Inpatient Setting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Delirium",
        "Confusion",
        "Mental Status Change",
        "Back Pain",
        "Hip Pain Chronic",
        "Chest Pain",
        "Asthma",
        "COPD",
        "Cellulitis",
        "Soft Tissue Infections",
        "Cough",
        "Deep Vein Thrombosis",
        "Pulmonary Embolism",
        "Venous Thromboembolism",
        "Dyspnea",
        "Electrolyte Metabolism Abnormal",
        "Fever",
        "Failure to Thrive",
        "Weakness",
        "Protein-Calorie Malnutrition",
        "Headache",
        "Neck Pain",
        "Hypoxia",
        "Pneumonia",
        "Sepsis",
        "Syncope",
        "Vomiting",
        "Diarrhea",
        "Leg Pain",
        "Abdominal Pain"
      ],
      "interventions": [
        {
          "name": "Diagnostic Uncertainty Educational Curriculum",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Diagnostic Timeout",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Diagnostic (Dx) Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhancements to Epic-integrated Quality & Safety Dashboard",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 700,
      "start_date": "2019-07-01",
      "completion_date": "2021-12-30",
      "has_results": false,
      "last_update_posted_date": "2022-07-26",
      "last_synced_at": "2026-07-23T17:36:56.428Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04393909"
    },
    {
      "nct_id": "NCT00747045",
      "title": "Lung Protective Ventilation in Pulmonary Thromboendarterectomy (PTE) Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Thromboembolic Pulmonary Hypertension",
        "Acute Lung Injury"
      ],
      "interventions": [
        {
          "name": "Ventilation Strategy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 128,
      "start_date": "2008-08",
      "completion_date": "2011-03",
      "has_results": false,
      "last_update_posted_date": "2014-12-03",
      "last_synced_at": "2026-07-23T17:36:56.428Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00747045"
    },
    {
      "nct_id": "NCT03729544",
      "title": "Computerized Decision Support to Increase Detection of Chronic Thromboembolic Pulmonary Hypertension in Patients With Prior Pulmonary Embolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Thromboembolic Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "On-screen computerized decision support alert",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2019-03-01",
      "completion_date": "2025-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-25",
      "last_synced_at": "2026-07-23T17:36:56.428Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03729544"
    },
    {
      "nct_id": "NCT04583878",
      "title": "FUVID Study: Functional Characterization of Children With Chronic Venous Thromboembolic Disease",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Deep Venous Thrombosis",
        "Pulmonary Embolism"
      ],
      "interventions": [
        {
          "name": "Blood draw (Visit 1)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood draw (Visits 2 and 3)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "8 Years to 21 Years"
      },
      "enrollment_count": 115,
      "start_date": "2020-12-22",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-07-23T17:36:56.428Z",
      "location_count": 14,
      "location_summary": "Little Rock, Arkansas • St. Petersburg, Florida • Atlanta, Georgia + 11 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04583878"
    },
    {
      "nct_id": "NCT02981472",
      "title": "A Study of the Safety and Pharmacokinetics of Apixaban Versus Vitamin K Antagonist (VKA) or Low Molecular Weight Heparin (LMWH) in Pediatric Subjects With Congenital or Acquired Heart Disease Requiring Anticoagulation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Thrombosis"
      ],
      "interventions": [
        {
          "name": "Apixaban",
          "type": "DRUG"
        },
        {
          "name": "Vitamin K Antagonist (VKA)",
          "type": "DRUG"
        },
        {
          "name": "Low Molecular Weight Heparin (LMWH)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "28 Days",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "28 Days to 17 Years"
      },
      "enrollment_count": 192,
      "start_date": "2017-01-19",
      "completion_date": "2021-10-18",
      "has_results": true,
      "last_update_posted_date": "2022-10-03",
      "last_synced_at": "2026-07-23T17:36:56.428Z",
      "location_count": 14,
      "location_summary": "Phoenix, Arizona • La Jolla, California • Aurora, Colorado + 11 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02981472"
    },
    {
      "nct_id": "NCT03195010",
      "title": "Management of Platelet Transfusion Therapy in Patients With Blood Cancer or Treatment-Induced Thrombocytopenia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Biphenotypic Leukemia",
        "Acute Lymphoblastic Leukemia",
        "Acute Myeloid Leukemia",
        "B-Cell Non-Hodgkin Lymphoma",
        "Chronic Lymphocytic Leukemia",
        "Chronic Myelogenous Leukemia, BCR-ABL1 Positive",
        "Hematologic and Lymphocytic Disorder",
        "Hematopoietic Cell Transplantation Recipient",
        "Myelodysplastic Syndrome",
        "Primary Myelofibrosis",
        "Secondary Myelofibrosis",
        "T-Cell Non-Hodgkin Lymphoma",
        "Thrombocytopenia",
        "Venous Thromboembolism"
      ],
      "interventions": [
        {
          "name": "Platelet Transfusion",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2017-06-09",
      "completion_date": "2018-12-21",
      "has_results": true,
      "last_update_posted_date": "2019-10-21",
      "last_synced_at": "2026-07-23T17:36:56.428Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03195010"
    }
  ]
}