{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Right-sided+Heart+Catheterization",
    "query": {
      "intervention": "Right-sided Heart Catheterization"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 90,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Right-sided+Heart+Catheterization&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T22:49:46.257Z",
  "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": "NCT07087613",
      "title": "Deep Learning Detection of Pulmonary Hypertension and Low Ejection Fraction Via Digital Stethoscope and 3-Lead ECG",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypertension, Pulmonary",
        "Heart Failure With Reduced Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "Eko CORE 500 Digital Stethoscope",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Eko Devices, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3850,
      "start_date": "2025-06-15",
      "completion_date": "2027-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-18",
      "last_synced_at": "2026-09-02T22:49:46.257Z",
      "location_count": 4,
      "location_summary": "O'Fallon, Illinois • Springfield, Illinois • Norfolk, Virginia",
      "locations": [
        {
          "city": "O'Fallon",
          "state": "Illinois"
        },
        {
          "city": "Springfield",
          "state": "Illinois"
        },
        {
          "city": "Springfield",
          "state": "Illinois"
        },
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07087613"
    },
    {
      "nct_id": "NCT06240871",
      "title": "Contrast Enhanced PA Pressure Measurements",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "Pulmonary artery pressure measurements",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 90,
      "start_date": "2013-09",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2024-02-05",
      "last_synced_at": "2026-09-02T22:49:46.257Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06240871"
    },
    {
      "nct_id": "NCT04231084",
      "title": "Comparison of Vasodilator Response of Inhaled Epoprostenol and Inhaled Nitric Oxide",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "Vasodilator testing (Inhaled Nitric Oxide)",
          "type": "DRUG"
        },
        {
          "name": "Vasodilator testing (Inhaled Epoprostenol)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 115,
      "start_date": "2021-01-15",
      "completion_date": "2024-08-01",
      "has_results": false,
      "last_update_posted_date": "2024-08-06",
      "last_synced_at": "2026-09-02T22:49:46.257Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04231084"
    },
    {
      "nct_id": "NCT05968859",
      "title": "A Study of Pulmonary Hypertension Peripheral Limitations",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pulmonary Arterial Hypertension",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Aerobic Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Leg Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2024-01-02",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2026-07-07",
      "last_synced_at": "2026-09-02T22:49:46.257Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05968859"
    },
    {
      "nct_id": "NCT07224906",
      "title": "Observational Study of Patients Undergoing Diagnostic Right Heart Catheterization",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Hypertension",
        "Congestive Heart Failure(CHF)",
        "Valve Disease, Heart"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "HemoCept Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2025-12-01",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-09-02T22:49:46.257Z",
      "location_count": 1,
      "location_summary": "Boulder, Colorado",
      "locations": [
        {
          "city": "Boulder",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07224906"
    },
    {
      "nct_id": "NCT03269630",
      "title": "New Orleans Pulmonary Hypertension Biobank",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Hypertension",
        "Systemic Sclerosis",
        "Mixed Connective Tissue Disease",
        "Heart Failure With Normal Ejection Fraction",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "No intervention. Biospecimen collection only",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Louisiana State University Health Sciences Center in New Orleans",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 450,
      "start_date": "2017-12-29",
      "completion_date": "2027-10",
      "has_results": false,
      "last_update_posted_date": "2021-09-10",
      "last_synced_at": "2026-09-02T22:49:46.257Z",
      "location_count": 1,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03269630"
    },
    {
      "nct_id": "NCT01571700",
      "title": "Investigation of Dysynchrony in Patients With Pulmonary Hypertension",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "Catheterization Pacing",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2006-09",
      "completion_date": "2029-12",
      "has_results": false,
      "last_update_posted_date": "2024-12-19",
      "last_synced_at": "2026-09-02T22:49:46.257Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01571700"
    },
    {
      "nct_id": "NCT05935605",
      "title": "Pulmonary Hypertension in Left Heart Disease",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Hypertension",
        "Pulmonary Vascular Disease",
        "Left Heart Disease"
      ],
      "interventions": [
        {
          "name": "Transthoracic Echocardiography (TTE)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Lung ultrasound",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3000,
      "start_date": "2023-07-20",
      "completion_date": "2028-05",
      "has_results": false,
      "last_update_posted_date": "2026-03-05",
      "last_synced_at": "2026-09-02T22:49:46.257Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05935605"
    },
    {
      "nct_id": "NCT01418248",
      "title": "Study of Exercise and Heart Function in Patients With Heart Failure and Pulmonary Vascular Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Exercise Tolerance",
        "Dyspnea",
        "Heart Failure",
        "Pulmonary Hypertension"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 108,
      "start_date": "2011-08",
      "completion_date": "2013-08",
      "has_results": false,
      "last_update_posted_date": "2014-01-09",
      "last_synced_at": "2026-09-02T22:49:46.257Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01418248"
    },
    {
      "nct_id": "NCT03089164",
      "title": "Postural Changes During Right Heart Catheterization",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Hypertension",
        "Right Heart Failure Due to Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "Right heart catheterization",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2017-05-01",
      "completion_date": "2018-01-29",
      "has_results": false,
      "last_update_posted_date": "2019-06-27",
      "last_synced_at": "2026-09-02T22:49:46.257Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03089164"
    }
  ]
}