{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Echocardiogram%2C+cardiac&page=2",
    "query": {
      "intervention": "Echocardiogram, cardiac",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 555,
    "total_pages": 56,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Echocardiogram%2C+cardiac&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Echocardiogram%2C+cardiac&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T17:59:46.844Z",
  "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": "NCT03440697",
      "title": "Pathogenetic Basis of Aortopathy and Aortic Valve Disease",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aortopathies",
        "Thoracic Aortic Aneurysm",
        "Aortic Valve Disease",
        "Thoracic Aortic Disease",
        "Thoracic Aortic Dissection",
        "Thoracic Aortic Rupture",
        "Ascending Aortic Disease",
        "Descending Aortic Disease",
        "Ascending Aortic Aneurysm",
        "Descending Aortic Aneurysm",
        "Marfan Syndrome",
        "Loeys-Dietz Syndrome",
        "Vascular Ehlers-Danlos Syndrome",
        "Shprintzen-Goldberg Syndrome",
        "Turner Syndrome",
        "PHACE Syndrome",
        "Autosomal Recessive Cutis Laxa",
        "Congenital Contractural Arachnodactyly",
        "Arterial Tortuosity Syndrome",
        "Bicuspid Aortic Valve-Associated Aortopathy",
        "Bicuspid Aortic Valve",
        "Familial Thoracic Aortic Aneurysm and Aortic Dissection"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 3000,
      "start_date": "2015-12-10",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-13",
      "last_synced_at": "2026-09-30T17:59:46.844Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia • Indianapolis, Indiana",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03440697"
    },
    {
      "nct_id": "NCT02404818",
      "title": "Early Markers of Radiation-Induced Cardiac Injury in Hodgkin Lymphoma Treated With Radiation Therapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hodgkin's Lymphoma"
      ],
      "interventions": [
        {
          "name": "Cardiac Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiogram",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 5,
      "start_date": "2015-04",
      "completion_date": "2021-04-14",
      "has_results": false,
      "last_update_posted_date": "2022-06-10",
      "last_synced_at": "2026-09-30T17:59:46.844Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02404818"
    },
    {
      "nct_id": "NCT01734174",
      "title": "Left Ventricular Volume and Ejection Fraction: Validation of Real Time 3 Dimensional Transesophageal Echocardiography",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "3D Transesophageal and Transthoracic Echocardiogram"
      ],
      "interventions": [
        {
          "name": "transesophageal echocardiography (TEE)",
          "type": "PROCEDURE"
        },
        {
          "name": "thermodilution",
          "type": "PROCEDURE"
        },
        {
          "name": "transthoracic echocardiography (TTE)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2012-09",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2018-06-28",
      "last_synced_at": "2026-09-30T17:59:46.844Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01734174"
    },
    {
      "nct_id": "NCT02253394",
      "title": "The Combination Ambrisentan Plus Spironolactone in Pulmonary Arterial Hypertension Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pulmonary Arterial Hypertension"
      ],
      "interventions": [
        {
          "name": "Ambrisentan plus Spironolactone",
          "type": "DRUG"
        },
        {
          "name": "Ambrisentan plus Placebo",
          "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": 2,
      "start_date": "2015-09",
      "completion_date": "2018-02",
      "has_results": true,
      "last_update_posted_date": "2019-11-15",
      "last_synced_at": "2026-09-30T17:59:46.844Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02253394"
    },
    {
      "nct_id": "NCT01903564",
      "title": "Fetal and Neonatal Magnetophysiology",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Fetal Arrhythmia",
        "Abnormality in Fetal Heart Rate or Rhythm",
        "Long QT Syndrome"
      ],
      "interventions": [
        {
          "name": "magnetocardiography",
          "type": "DEVICE"
        },
        {
          "name": "postnatal ECG",
          "type": "DEVICE"
        },
        {
          "name": "fetal echocardiography",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 60 Years · Female only"
      },
      "enrollment_count": 39,
      "start_date": "2014-03",
      "completion_date": "2018-06",
      "has_results": true,
      "last_update_posted_date": "2019-05-29",
      "last_synced_at": "2026-09-30T17:59:46.844Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01903564"
    },
    {
      "nct_id": "NCT03195114",
      "title": "Cardiac MRI for Post-TAVR Paravalvular Leak Assessment",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Paravalvular Leak"
      ],
      "interventions": [
        {
          "name": "Multimodality Imaging and Biomarkers",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "60 Years to 100 Years"
      },
      "enrollment_count": 15,
      "start_date": "2017-01-01",
      "completion_date": "2019-02-15",
      "has_results": false,
      "last_update_posted_date": "2020-05-05",
      "last_synced_at": "2026-09-30T17:59:46.844Z",
      "location_count": 2,
      "location_summary": "Pittsburgh, Pennsylvania • Houston, Texas",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03195114"
    },
    {
      "nct_id": "NCT00156793",
      "title": "Phase 3 Imaging and Safety Study of AI-700 in Patients With Suspected Coronary Artery Disease Undergoing SPECT Imaging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "AI-700 contrast-enhanced echocardiography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Acusphere",
      "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": 400,
      "start_date": "2003-12",
      "completion_date": "2006-03",
      "has_results": false,
      "last_update_posted_date": "2006-07-14",
      "last_synced_at": "2026-09-30T17:59:46.844Z",
      "location_count": 1,
      "location_summary": "Watertown, Massachusetts",
      "locations": [
        {
          "city": "Watertown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00156793"
    },
    {
      "nct_id": "NCT03863327",
      "title": "EKG Criteria and Identification of Acute Coronary Occlusion",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Coronary Syndrome",
        "STEMI",
        "STEMI - ST Elevation Myocardial Infarction",
        "Acute Coronary Artery Thrombosis (Diagnosis)",
        "NSTEMI - Non-ST Segment Elevation MI",
        "Non-ST Elevation Myocardial Infarction",
        "Non ST Segment Elevation Myocardial Infarction",
        "Non ST Segment Elevation Acute Coronary Syndrome",
        "Non-ST Elevation Myocardial Infarction (nSTEMI)",
        "Non STEMI"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Stony Brook University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 2000,
      "start_date": "2018-05-01",
      "completion_date": "2019-06",
      "has_results": false,
      "last_update_posted_date": "2019-03-05",
      "last_synced_at": "2026-09-30T17:59:46.844Z",
      "location_count": 2,
      "location_summary": "Minneapolis, Minnesota • Stony Brook, New York",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03863327"
    },
    {
      "nct_id": "NCT05936229",
      "title": "Interferon-Beta-1a (FP-1201) to Prevent Toxicities After CD19-Directed CAR T-Cell Therapy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Recurrent B Acute Lymphoblastic Leukemia",
        "Recurrent B-Cell Non-Hodgkin Lymphoma",
        "Refractory B Acute Lymphoblastic Leukemia",
        "Refractory B-Cell Non-Hodgkin Lymphoma",
        "Recurrent Mantle Cell Lymphoma",
        "Refractory Mantle Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Interferon Beta-1A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "X-Ray Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Lumbar Puncture",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "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": 0,
      "start_date": "2025-04-01",
      "completion_date": "2027-10-30",
      "has_results": false,
      "last_update_posted_date": "2024-07-12",
      "last_synced_at": "2026-09-30T17:59:46.844Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05936229"
    },
    {
      "nct_id": "NCT02339571",
      "title": "A Phase II/III Trial of Nivolumab, Ipilimumab, and GM-CSF in Patients With Advanced Melanoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Stage III Cutaneous Melanoma AJCC v7",
        "Stage IV Cutaneous Melanoma AJCC v6 and v7"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Magnetic Resonance Elastography",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Sargramostim",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2015-11-23",
      "completion_date": "2033-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-09-30T17:59:46.844Z",
      "location_count": 763,
      "location_summary": "Birmingham, Alabama • Kingman, Arizona • Little Rock, Arkansas + 494 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Kingman",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02339571"
    }
  ]
}