{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Transthoracic+Echocardiography&page=3",
    "query": {
      "condition": "Transthoracic Echocardiography",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 271,
    "total_pages": 28,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Transthoracic+Echocardiography&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Transthoracic+Echocardiography&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T11:15:40.989Z",
  "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": "NCT01790750",
      "title": "Pocket Echocardiography System (PES) for Detection of PDA in Neonates",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Patent Ductus Arteriosus"
      ],
      "interventions": [
        {
          "name": "PES first, then FFES",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "90 Days",
        "sex": "ALL",
        "summary": "1 Day to 90 Days"
      },
      "enrollment_count": 50,
      "start_date": "2013-02",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2014-04-11",
      "last_synced_at": "2026-10-07T11:15:40.989Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01790750"
    },
    {
      "nct_id": "NCT05937854",
      "title": "Breathe Easier With Tadalafil Therapy for Dyspnea in COPD-PH",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease",
        "Pulmonary Hypertension",
        "Dyspnea"
      ],
      "interventions": [
        {
          "name": "Tadalafil",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "35 Years to 89 Years"
      },
      "enrollment_count": 126,
      "start_date": "2024-04-01",
      "completion_date": "2029-03-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-15",
      "last_synced_at": "2026-10-07T11:15:40.989Z",
      "location_count": 5,
      "location_summary": "Aurora, Colorado • Decatur, Georgia • Boston, Massachusetts + 2 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05937854"
    },
    {
      "nct_id": "NCT02371642",
      "title": "Strain Echo in Acute Heart Failure",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Wayne State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2015-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-11-01",
      "last_synced_at": "2026-10-07T11:15:40.989Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02371642"
    },
    {
      "nct_id": "NCT03009266",
      "title": "Ischemic Memory Imaging With Myocardial Contrast Echocardiography",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Myocardial Ischemia"
      ],
      "interventions": [
        {
          "name": "Sonazoid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "19 Years to 90 Years"
      },
      "enrollment_count": 40,
      "start_date": "2018-07-07",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2018-08-23",
      "last_synced_at": "2026-10-07T11:15:40.989Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03009266"
    },
    {
      "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": "2026-10-07T11:15:40.989Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07178509"
    },
    {
      "nct_id": "NCT00487903",
      "title": "Evaluation and Optimization of PB127 Myocardial Perfusion Echocardiography on Ultrasound Systems",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Coronary Artery Disease",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "PB127 for Injectable Suspension",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Point Biomedical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2007-09",
      "completion_date": "2008-03",
      "has_results": false,
      "last_update_posted_date": "2008-07-03",
      "last_synced_at": "2026-10-07T11:15:40.989Z",
      "location_count": 3,
      "location_summary": "Overland Park, Kansas • Durham, North Carolina • Dallas, Texas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00487903"
    },
    {
      "nct_id": "NCT02589977",
      "title": "Myocardial Perfusion, Oxidative Metabolism, and Fibrosis in HFpEF",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure, Diastolic",
        "Diastolic Heart Failure",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "regadenoson",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Marvin W. Kronenberg, M.D.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 55,
      "start_date": "2015-11",
      "completion_date": "2020-01-21",
      "has_results": true,
      "last_update_posted_date": "2021-02-02",
      "last_synced_at": "2026-10-07T11:15:40.989Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02589977"
    },
    {
      "nct_id": "NCT06599229",
      "title": "Perfusion Abnormalities in Hypertrophic Cardiomyopathy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypertrophic Cardiomyopathy (HCM)"
      ],
      "interventions": [
        {
          "name": "myocardial contrast echo",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2025-01-02",
      "completion_date": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-16",
      "last_synced_at": "2026-10-07T11:15:40.989Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06599229"
    },
    {
      "nct_id": "NCT00001886",
      "title": "Real Time 3-Dimensional Stress Echocardiography",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Coronary Disease"
      ],
      "interventions": [
        {
          "name": "Real time 3-dimensional stress echocardiography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 150,
      "start_date": "1999-03",
      "completion_date": "2001-03",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-07T11:15:40.989Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001886"
    },
    {
      "nct_id": "NCT06769880",
      "title": "Use of Bedside Imaging and Community Health Workers for Early Screening and Referral of Pre-symptomatic Stage B Heart Failure in the Emergency Department",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Diseases"
      ],
      "interventions": [
        {
          "name": "Ultrasound and Educational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Educational Intervention Alone",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2025-10-13",
      "completion_date": "2026-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-10-07T11:15:40.989Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06769880"
    }
  ]
}