{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=contrast+echocardiography",
    "query": {
      "intervention": "contrast echocardiography"
    },
    "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=contrast+echocardiography&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-19T12:01:56.996Z",
  "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": "NCT00861848",
      "title": "Real Time Myocardial Contrast Echocardiography and Dobutamine Stress Perfusion Magnetic Resonance Imaging",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Kawasaki Disease",
        "Heart Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "12 Years to 50 Years"
      },
      "enrollment_count": 124,
      "start_date": "2009-04-01",
      "completion_date": "2019-03-01",
      "has_results": false,
      "last_update_posted_date": "2023-09-25",
      "last_synced_at": "2026-09-19T12:01:56.996Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00861848"
    },
    {
      "nct_id": "NCT01299649",
      "title": "Retrospective Safety Study to Compare Mortality in Intensive Care Unite (ICU) Patients Undergoing Echocardiography With or Without DEFINITY®",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiovascular Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Lantheus Medical Imaging",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4300000,
      "start_date": "2008-06",
      "completion_date": "2008-12",
      "has_results": false,
      "last_update_posted_date": "2020-11-10",
      "last_synced_at": "2026-09-19T12:01:56.996Z",
      "location_count": 1,
      "location_summary": "North Billerica, Massachusetts",
      "locations": [
        {
          "city": "North Billerica",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01299649"
    },
    {
      "nct_id": "NCT02043691",
      "title": "Evaluation of the Cook Custom Aortic Endograft, the Zenith t-Branch Endovascular Graft, and Surgeon-Modified Endograft in Treating Aortic Pathologies",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Juxtarenal Aortic Aneurysm",
        "Suprarenal Aortic Aneurysm",
        "Thoracoabdominal Aortic Aneurysm",
        "Penetrating Aortic Ulcer",
        "Aortic Arch Aneurysm",
        "Aortic Dissection"
      ],
      "interventions": [
        {
          "name": "Cook Custom Aortic Endograft",
          "type": "DEVICE"
        },
        {
          "name": "Zenith t-Branch Endovascular Graft",
          "type": "DEVICE"
        },
        {
          "name": "Surgeon-Modified Endograft",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 410,
      "start_date": "2014-06",
      "completion_date": "2027-10",
      "has_results": false,
      "last_update_posted_date": "2026-01-06",
      "last_synced_at": "2026-09-19T12:01:56.996Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02043691"
    },
    {
      "nct_id": "NCT02936349",
      "title": "Graded TTCE for Post-Embolization PAVM Monitoring",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hereditary Hemorrhagic Telangiectasia (HHT)"
      ],
      "interventions": [
        {
          "name": "Transthoracic Contrast Echocardiogram",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 32,
      "start_date": "2016-10",
      "completion_date": "2019-11",
      "has_results": false,
      "last_update_posted_date": "2019-11-08",
      "last_synced_at": "2026-09-19T12:01:56.996Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02936349"
    },
    {
      "nct_id": "NCT04336995",
      "title": "Exercise Pulmonary Transit Time",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure, Diastolic"
      ],
      "interventions": [
        {
          "name": "contrast echocardiography",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2020-08-27",
      "completion_date": "2024-03-01",
      "has_results": true,
      "last_update_posted_date": "2024-04-09",
      "last_synced_at": "2026-09-19T12:01:56.996Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04336995"
    },
    {
      "nct_id": "NCT01084239",
      "title": "Multicenter Study to Rule Out Myocardial Infarction by Cardiac Computed Tomography",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acute Coronary Syndrome",
        "Myocardial Infarction",
        "Unstable Angina Pectoris"
      ],
      "interventions": [
        {
          "name": "Cardiac Computed Tomography",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2010-04",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2014-05-07",
      "last_synced_at": "2026-09-19T12:01:56.996Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01084239"
    },
    {
      "nct_id": "NCT07178145",
      "title": "Epicardial Adipose Tissue Composition and Heart Failure With Preserved Ejection Fraction",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure Preserved Ejection Fraction",
        "Epicardial Adipose Tissue"
      ],
      "interventions": [
        {
          "name": "GLP-1RA",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 192,
      "start_date": "2025-11-20",
      "completion_date": "2029-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-09-19T12:01:56.996Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07178145"
    },
    {
      "nct_id": "NCT06195059",
      "title": "Contrast Echocardiography During Exercise to Assess Pulmonary Blood Volume",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure",
        "Pulmonary Vascular Disease"
      ],
      "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": 800,
      "start_date": "2024-07-30",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-09-19T12:01:56.996Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06195059"
    },
    {
      "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": "2026-09-19T12:01:56.996Z",
      "location_count": 1,
      "location_summary": "Watertown, Massachusetts",
      "locations": [
        {
          "city": "Watertown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00156793"
    },
    {
      "nct_id": "NCT00730964",
      "title": "A Prospective Surveillance Trial to Evaluate the Safety of Optison in Clinical Practice.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Echocardiography"
      ],
      "interventions": [
        {
          "name": "Perflutren Protein-Type A Microspheres Injectable Suspension, United States Pharmacopeia (USP)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GE Healthcare",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1039,
      "start_date": "2008-05",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2012-06-12",
      "last_synced_at": "2026-09-19T12:01:56.996Z",
      "location_count": 1,
      "location_summary": "Princeton, New Jersey",
      "locations": [
        {
          "city": "Princeton",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00730964"
    }
  ]
}