{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Echocardiography%2C+Transthoracic&page=12",
    "query": {
      "condition": "Echocardiography, Transthoracic",
      "page": 12
    },
    "page_size": 10
  },
  "pagination": {
    "page": 12,
    "page_size": 10,
    "total_count": 271,
    "total_pages": 28,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Echocardiography%2C+Transthoracic&page=13&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Echocardiography%2C+Transthoracic&page=11&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-13T23:08:14.603Z",
  "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": "NCT00001314",
      "title": "Investigation of Heart Function in Patients With Heart Valve Defects",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aortic Valve Insufficiency",
        "Mitral Valve Insufficiency"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 200,
      "start_date": "1992-05",
      "completion_date": "2001-03",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-13T23:08:14.603Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001314"
    },
    {
      "nct_id": "NCT01603706",
      "title": "Radial Strain ECHO-Guided Implantation of Cardiac Resynchronization Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ischemic Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "Echo guided implantation group",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Sheba Medical Center",
      "sponsor_class": "OTHER_GOV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 172,
      "start_date": "2012-05",
      "completion_date": "2017-10",
      "has_results": false,
      "last_update_posted_date": "2017-10-19",
      "last_synced_at": "2026-10-13T23:08:14.603Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01603706"
    },
    {
      "nct_id": "NCT01630213",
      "title": "Impact of Vitamin D Supplementation on Cardiac Structure and Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Disease"
      ],
      "interventions": [
        {
          "name": "Vitamin D3 + fish oil/fish oil placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Vitamin D3 placebo + fish oil/fish oil placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 1025,
      "start_date": "2010-07-01",
      "completion_date": "2021-06-30",
      "has_results": false,
      "last_update_posted_date": "2022-04-06",
      "last_synced_at": "2026-10-13T23:08:14.603Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01630213"
    },
    {
      "nct_id": "NCT01614860",
      "title": "Identification of Patient Phenotypes Associated With Elevated Aldosterone Levels",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Heart Failure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2012-05",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2014-09-09",
      "last_synced_at": "2026-10-13T23:08:14.603Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01614860"
    },
    {
      "nct_id": "NCT02754518",
      "title": "Demonstration of Reverse Remodeling Effects of Entresto. Using Echocardiography Endocardial Surface Analysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Entresto",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2016-04",
      "completion_date": "2019-04",
      "has_results": true,
      "last_update_posted_date": "2021-01-29",
      "last_synced_at": "2026-10-13T23:08:14.603Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02754518"
    },
    {
      "nct_id": "NCT03245255",
      "title": "Noninvasive Real-time Intracardiac Pressure Measurements Using Subharmonic Ultrasound",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cardiac Catheterization",
        "Blood Pressure",
        "Heart Ventricles",
        "Echocardiography",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Sonazoid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2017-12-04",
      "completion_date": "2023-06-07",
      "has_results": true,
      "last_update_posted_date": "2024-05-29",
      "last_synced_at": "2026-10-13T23:08:14.603Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03245255"
    },
    {
      "nct_id": "NCT00894179",
      "title": "Safety and Accuracy of Regadenoson-Atropine Stress Echocardiography in CAD",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "regadenoson and atropine",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Henry Ford Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 45,
      "start_date": "2009-10",
      "completion_date": "2012-04",
      "has_results": true,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-10-13T23:08:14.603Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00894179"
    },
    {
      "nct_id": "NCT04906252",
      "title": "Vfib by ECG or Echo During Cardiac Arrest",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiac Arrest"
      ],
      "interventions": [
        {
          "name": "Echocardiography",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Electrocardiogram (ECG)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Romolo Gaspari",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 813,
      "start_date": "2021-09-15",
      "completion_date": "2025-01-01",
      "has_results": false,
      "last_update_posted_date": "2025-04-02",
      "last_synced_at": "2026-10-13T23:08:14.603Z",
      "location_count": 6,
      "location_summary": "Hartford, Connecticut • Lebanon, New Hampshire • Stony Brook, New York + 3 more",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        },
        {
          "city": "Stony Brook",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04906252"
    },
    {
      "nct_id": "NCT01125072",
      "title": "Use of Echocardiography in the Evaluation of Chest Pain in the Emergency Department",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chest Pain"
      ],
      "interventions": [
        {
          "name": "Echocardiography with strain analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "NYU Langone Health",
      "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": "2005-06",
      "completion_date": "2017-11",
      "has_results": false,
      "last_update_posted_date": "2017-11-13",
      "last_synced_at": "2026-10-13T23:08:14.603Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01125072"
    },
    {
      "nct_id": "NCT05090748",
      "title": "Study for the Assessment of the Quality of Echocardiographic Clips.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiac Disease"
      ],
      "interventions": [
        {
          "name": "Echocardiographic.",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "UltraSight",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 240,
      "start_date": "2022-05-15",
      "completion_date": "2022-08-31",
      "has_results": false,
      "last_update_posted_date": "2022-12-07",
      "last_synced_at": "2026-10-13T23:08:14.603Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05090748"
    }
  ]
}