{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cardiac+Ultrasound&page=2",
    "query": {
      "condition": "Cardiac Ultrasound",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 186,
    "total_pages": 19,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cardiac+Ultrasound&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cardiac+Ultrasound&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T15:52:49.968Z",
  "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": "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": "2026-09-30T15:52:49.968Z",
      "location_count": 1,
      "location_summary": "Watertown, Massachusetts",
      "locations": [
        {
          "city": "Watertown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00156793"
    },
    {
      "nct_id": "NCT06281639",
      "title": "RAPID: a Comparison Study of a Novel Ultrasound Device of Automated Congenital Heart Imaging",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Heart Disease"
      ],
      "interventions": [
        {
          "name": "RAPID",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "1 Year",
        "sex": "ALL",
        "summary": "Up to 1 Year"
      },
      "enrollment_count": 22,
      "start_date": "2024-07-21",
      "completion_date": "2025-08-28",
      "has_results": false,
      "last_update_posted_date": "2026-02-23",
      "last_synced_at": "2026-09-30T15:52:49.968Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06281639"
    },
    {
      "nct_id": "NCT00983749",
      "title": "Safety Study of External Counterpulsation as a Treatment for Acute Ischemic Stroke",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Stroke"
      ],
      "interventions": [
        {
          "name": "Full-pressure ECP",
          "type": "DEVICE"
        },
        {
          "name": "Sham-pressure ECP",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Diego",
      "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": 23,
      "start_date": "2009-12",
      "completion_date": "2013-07",
      "has_results": true,
      "last_update_posted_date": "2016-06-28",
      "last_synced_at": "2026-09-30T15:52:49.968Z",
      "location_count": 3,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Diego, California",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00983749"
    },
    {
      "nct_id": "NCT02471586",
      "title": "OPTIMIZE PCI: Multicenter Randomized Trial of OCT Compared to IVUS and Angiography to Guide Coronary Stent Implantation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Coronary PCI guided by IVUS",
          "type": "PROCEDURE"
        },
        {
          "name": "Coronary PCI guided by OCT",
          "type": "PROCEDURE"
        },
        {
          "name": "Coronary PCI guided by Angiography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 450,
      "start_date": "2015-05",
      "completion_date": "2017-04-25",
      "has_results": true,
      "last_update_posted_date": "2021-04-01",
      "last_synced_at": "2026-09-30T15:52:49.968Z",
      "location_count": 17,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • San Diego, California + 13 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Broomfield",
          "state": "Colorado"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02471586"
    },
    {
      "nct_id": "NCT07800962",
      "title": "Federated Learning for Point-of-Care Cardiac Ultrasound",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ventricular Dysfunction, Left",
        "Ventricular Function, Left",
        "Echocardiography",
        "Ultrasonography",
        "Point-of-Care Systems",
        "Heart Function Tests",
        "Stroke Volume",
        "Federated Learning",
        "Machine Learning",
        "Artificial Intelligence (AI)",
        "Deep Learning",
        "Neural Networks, Computer",
        "Image Interpretation, Computer-Assisted",
        "Diagnosis, Computer-Assisted",
        "Sensitivity and Specificity",
        "ROC Curve"
      ],
      "interventions": [
        {
          "name": "Focused Cardiac Point-of-Care Ultrasonography",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "FL-POCUS Federated Machine-Learning Analysis System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DEVICE"
      ],
      "sponsor": "Truway Health, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3000,
      "start_date": "2026-08-31",
      "completion_date": "2037-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-09-30T15:52:49.968Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07800962"
    },
    {
      "nct_id": "NCT00029575",
      "title": "Magnetic Resonance Imaging of Narrowed Arteries",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Arteriosclerosis"
      ],
      "interventions": [
        {
          "name": "Surgi-Vision Guidewire Coil",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 25,
      "start_date": "2002-01",
      "completion_date": "2003-12",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-09-30T15:52:49.968Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00029575"
    },
    {
      "nct_id": "NCT00574756",
      "title": "Effect of Ranolazine on Echocardiographic Indices of Diastolic Dysfunction",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ranolazine",
        "Diastolic Heart Failure",
        "Tissue Doppler Ultrasound",
        "Echocardiography"
      ],
      "interventions": [
        {
          "name": "ranolazine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2007-12",
      "completion_date": "2010-03",
      "has_results": false,
      "last_update_posted_date": "2019-08-02",
      "last_synced_at": "2026-09-30T15:52:49.968Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00574756"
    },
    {
      "nct_id": "NCT00156845",
      "title": "Phase 3 Safety and Imaging Study of AI-700 in Patients With Suspected Coronary Artery Disease Undergoing Coronary Angiography",
      "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": 450,
      "start_date": "2003-12",
      "completion_date": "2006-06",
      "has_results": false,
      "last_update_posted_date": "2006-07-14",
      "last_synced_at": "2026-09-30T15:52:49.968Z",
      "location_count": 1,
      "location_summary": "Watertown, Massachusetts",
      "locations": [
        {
          "city": "Watertown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00156845"
    },
    {
      "nct_id": "NCT06921603",
      "title": "POCUS-Guided Diuresis for Decompensated Heart Failure",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Decompensation, Acute",
        "Acute Kidney Injuries"
      ],
      "interventions": [
        {
          "name": "Furosemide (Standard Diuretic) Treatment",
          "type": "OTHER"
        },
        {
          "name": "POCUS-Assessed Diuretic Management",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 588,
      "start_date": "2025-06-29",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-02-17",
      "last_synced_at": "2026-09-30T15:52:49.968Z",
      "location_count": 5,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06921603"
    },
    {
      "nct_id": "NCT01460329",
      "title": "Comparing Cardiac Output Measurements in Critically Ill Children Using USCOM and Transthoracic ECHO",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Critical Illness",
        "Pediatrics"
      ],
      "interventions": [
        {
          "name": "Ultrasonic Cardiac Output Monitor (USCOM).",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "1 Day to 17 Years"
      },
      "enrollment_count": 22,
      "start_date": "2011-10",
      "completion_date": "2012-06",
      "has_results": false,
      "last_update_posted_date": "2013-05-06",
      "last_synced_at": "2026-09-30T15:52:49.968Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01460329"
    }
  ]
}