{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Echocardiogram&page=12",
    "query": {
      "intervention": "Echocardiogram",
      "page": 12
    },
    "page_size": 10
  },
  "pagination": {
    "page": 12,
    "page_size": 10,
    "total_count": 835,
    "total_pages": 84,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Echocardiogram&page=13&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Echocardiogram&page=11&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T15:40:18.062Z",
  "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": "NCT00572286",
      "title": "Non-invasive Evaluation of Heart Transplant Rejection- Pilot Study",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Advanced Heart Failure",
        "Heart Transplantation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 20,
      "start_date": "2005-10",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2009-11-17",
      "last_synced_at": "2026-10-17T15:40:18.062Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00572286"
    },
    {
      "nct_id": "NCT04036045",
      "title": "Approaches to Identify Early Biomarkers and Pathogenesis of Anthracycline Cardiotoxicity",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Childhood Cancer"
      ],
      "interventions": [
        {
          "name": "Cardiac MRI",
          "type": "OTHER"
        },
        {
          "name": "Echocardiogram",
          "type": "OTHER"
        },
        {
          "name": "Blood Draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Connecticut Children's Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "9 Years to 18 Years"
      },
      "enrollment_count": 0,
      "start_date": "2018-11-12",
      "completion_date": "2025-03-31",
      "has_results": false,
      "last_update_posted_date": "2025-10-06",
      "last_synced_at": "2026-10-17T15:40:18.062Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04036045"
    },
    {
      "nct_id": "NCT04870944",
      "title": "CBL0137 for the Treatment of Relapsed or Refractory Solid Tumors, Including CNS Tumors and Lymphoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Diffuse Midline Glioma, H3 K27-Altered",
        "Metastatic Malignant Neoplasm in the Central Nervous System",
        "Recurrent Diffuse Intrinsic Pontine Glioma",
        "Recurrent Diffuse Midline Glioma, H3 K27-Altered",
        "Recurrent Lymphoma",
        "Recurrent Malignant Solid Neoplasm",
        "Recurrent Primary Malignant Central Nervous System Neoplasm",
        "Refractory Lymphoma",
        "Refractory Malignant Solid Neoplasm",
        "Refractory Primary Malignant Central Nervous System Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspirate",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "FACT Complex-targeting Curaxin CBL0137",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "12 Months to 21 Years"
      },
      "enrollment_count": 63,
      "start_date": "2022-01-28",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-11",
      "last_synced_at": "2026-10-17T15:40:18.062Z",
      "location_count": 34,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 29 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04870944"
    },
    {
      "nct_id": "NCT04799275",
      "title": "Testing CC-486 (Oral Azacitidine) Plus the Standard Drug Therapy in Patients 75 Years or Older With Newly Diagnosed Diffuse Large B Cell Lymphoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Ann Arbor Stage III Diffuse Large B-Cell Lymphoma",
        "Ann Arbor Stage IIX (Bulky) Diffuse Large B-Cell Lymphoma",
        "Ann Arbor Stage IV Diffuse Large B-Cell Lymphoma",
        "Diffuse Large B-Cell Lymphoma Activated B-Cell Type",
        "Diffuse Large B-Cell Lymphoma Associated With Chronic Inflammation",
        "Diffuse Large B-Cell Lymphoma Germinal Center B-Cell Type",
        "Diffuse Large B-Cell Lymphoma, Not Otherwise Specified",
        "EBV-Positive Diffuse Large B-Cell Lymphoma, Not Otherwise Specified",
        "Grade 3b Follicular Lymphoma",
        "HHV8-Positive Diffuse Large B-Cell Lymphoma, Not Otherwise Specified",
        "High Grade B-Cell Lymphoma With MYC and BCL2 and/or BCL6 Rearrangements",
        "High Grade B-Cell Lymphoma With MYC and BCL2 or BCL6 Rearrangements",
        "High Grade B-Cell Lymphoma With MYC, BCL2, and BCL6 Rearrangements",
        "High Grade B-Cell Lymphoma, Not Otherwise Specified",
        "Intravascular Large B-Cell Lymphoma",
        "Lymphoplasmacytic Lymphoma",
        "Nodular Lymphocyte Predominant B-Cell Lymphoma",
        "Primary Cutaneous Diffuse Large B-Cell Lymphoma, Leg Type",
        "T-Cell/Histiocyte-Rich Large B-Cell Lymphoma",
        "Transformed Follicular Lymphoma to Diffuse Large B-Cell Lymphoma",
        "Transformed Marginal Zone Lymphoma to Diffuse Large B-Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Oral Azacitidine",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Rituximab and Hyaluronidase Human",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Vincristine Sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "75 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "75 Years and older"
      },
      "enrollment_count": 422,
      "start_date": "2021-05-20",
      "completion_date": "2027-03-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-10-17T15:40:18.062Z",
      "location_count": 176,
      "location_summary": "Tucson, Arizona • Little Rock, Arkansas • Anaheim, California + 136 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Baldwin Park",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04799275"
    },
    {
      "nct_id": "NCT03824509",
      "title": "Echocardiographic Risk Factors of Stroke in Patients With Atrial Fibrillation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation",
        "Stroke"
      ],
      "interventions": [
        {
          "name": "Chart Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "MaineHealth",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 140,
      "start_date": "2019-01-01",
      "completion_date": "2020-05-21",
      "has_results": false,
      "last_update_posted_date": "2021-07-16",
      "last_synced_at": "2026-10-17T15:40:18.062Z",
      "location_count": 1,
      "location_summary": "Rockport, Maine",
      "locations": [
        {
          "city": "Rockport",
          "state": "Maine"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03824509"
    },
    {
      "nct_id": "NCT07178509",
      "title": "A Study of SCAD Using Stress Contrast Echocardiography",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Spontaneous Coronary Artery Dissection"
      ],
      "interventions": [
        {
          "name": "Stress Echocardiography with Contrast",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 50,
      "start_date": "2025-11-25",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-10-17T15:40:18.062Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07178509"
    },
    {
      "nct_id": "NCT03155802",
      "title": "Novel Biomarkers and Echocardiography for Subclinical Cardiac Toxicity in Breast Cancer Patients Receiving Anthracyclines",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiotoxicity",
        "Heart Failure",
        "Breast Cancer",
        "Anthracycline Induced Cardiomyopathy",
        "Biomarkers",
        "Echocardiography"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Stony Brook University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 85 Years · Female only"
      },
      "enrollment_count": 35,
      "start_date": "2017-04-18",
      "completion_date": "2020-12",
      "has_results": false,
      "last_update_posted_date": "2019-11-01",
      "last_synced_at": "2026-10-17T15:40:18.062Z",
      "location_count": 1,
      "location_summary": "Stony Brook, New York",
      "locations": [
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03155802"
    },
    {
      "nct_id": "NCT05164744",
      "title": "Cardiac Magnetic Resonance Tissue Characterization in COVID-19 Survivors",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19 Pneumonia",
        "COVID-19",
        "COVID-19 Respiratory Infection",
        "COVID-19 Acute Respiratory Distress Syndrome",
        "COVID-19 Lower Respiratory Infection",
        "COVID-19 Acute Bronchitis",
        "Coronavirus Disease 2019"
      ],
      "interventions": [
        {
          "name": "Cardiac MRI",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "6-minute walk test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Questionnaire",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 510,
      "start_date": "2021-07-01",
      "completion_date": "2026-07-30",
      "has_results": false,
      "last_update_posted_date": "2026-01-22",
      "last_synced_at": "2026-10-17T15:40:18.062Z",
      "location_count": 3,
      "location_summary": "Brooklyn, New York • New York, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05164744"
    },
    {
      "nct_id": "NCT07058064",
      "title": "WATCH (Wearable Artificial inTelligence for Cardiac Function and Health Monitoring)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lymphoma",
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "Electrocardiogram",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiogram",
          "type": "PROCEDURE"
        },
        {
          "name": "LVEF echocardiogram",
          "type": "PROCEDURE"
        },
        {
          "name": "Apple Watch",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Cardio-pulmonary exercise test",
          "type": "OTHER"
        },
        {
          "name": "6 minute walk test",
          "type": "OTHER"
        },
        {
          "name": "Grip strength test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "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": 250,
      "start_date": "2025-07-18",
      "completion_date": "2029-06-29",
      "has_results": false,
      "last_update_posted_date": "2025-10-15",
      "last_synced_at": "2026-10-17T15:40:18.062Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07058064"
    },
    {
      "nct_id": "NCT03057028",
      "title": "Pilot Study of the Safety and Efficacy of Anakinra in Pulmonary Arterial Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pulmonary Arterial Hypertension"
      ],
      "interventions": [
        {
          "name": "Anakinra",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2016-04",
      "completion_date": "2018-06-07",
      "has_results": false,
      "last_update_posted_date": "2019-04-05",
      "last_synced_at": "2026-10-17T15:40:18.062Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03057028"
    }
  ]
}