{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Echocardiogram%2C+cardiac&page=5",
    "query": {
      "intervention": "Echocardiogram, cardiac",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 556,
    "total_pages": 56,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Echocardiogram%2C+cardiac&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Echocardiogram%2C+cardiac&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T08:39:26.213Z",
  "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": "NCT04112953",
      "title": "Intraoperative Transesophageal Echocardiography Assessment of Portal Vein Flow and Renal Resistive Index As a Predictor of Acute Kidney Injury After Cardiac Surgery: A Prospective Observational Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "AKI"
      ],
      "interventions": [],
      "intervention_types": [],
      "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": 80,
      "start_date": "2019-09-04",
      "completion_date": "2022-11-15",
      "has_results": false,
      "last_update_posted_date": "2023-07-21",
      "last_synced_at": "2026-10-11T08:39:26.213Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04112953"
    },
    {
      "nct_id": "NCT03882359",
      "title": "An Ascending Dose Comparison of MVT-100 to Definity in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Heart Diseases"
      ],
      "interventions": [
        {
          "name": "Echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "MVT-100",
          "type": "DRUG"
        },
        {
          "name": "Definity",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DRUG"
      ],
      "sponsor": "Microvascular Therapeutics, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2019-04-25",
      "completion_date": "2025-05-06",
      "has_results": false,
      "last_update_posted_date": "2025-05-09",
      "last_synced_at": "2026-10-11T08:39:26.213Z",
      "location_count": 2,
      "location_summary": "Kansas City, Missouri • Omaha, Nebraska",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03882359"
    },
    {
      "nct_id": "NCT03044353",
      "title": "Multiple Treatment Session Study to Assess GSK2398852 Administered Following and Along With GSK2315698",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Amyloidosis"
      ],
      "interventions": [
        {
          "name": "GSK2315698 (CPHPC)",
          "type": "DRUG"
        },
        {
          "name": "GSK2398852 (anti-SAP mAb)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "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": 7,
      "start_date": "2017-07-10",
      "completion_date": "2019-01-03",
      "has_results": true,
      "last_update_posted_date": "2019-10-16",
      "last_synced_at": "2026-10-11T08:39:26.213Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03044353"
    },
    {
      "nct_id": "NCT02130453",
      "title": "Accuracy of an Echo-Stress Protocol Using Regadenoson With Speckle Tracking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Ischemia"
      ],
      "interventions": [
        {
          "name": "Regadenoson",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 161,
      "start_date": "2014-09-30",
      "completion_date": "2024-06-28",
      "has_results": true,
      "last_update_posted_date": "2024-10-02",
      "last_synced_at": "2026-10-11T08:39:26.213Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02130453"
    },
    {
      "nct_id": "NCT05828069",
      "title": "A Study With Tovorafenib (DAY101) as a Treatment Option for Progressive, Relapsed, or Refractory Langerhans Cell Histiocytosis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Langerhans Cell Histiocytosis",
        "Refractory Langerhans Cell Histiocytosis"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "FDG-Positron Emission Tomography and Computed Tomography Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Lumbar Puncture",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Tovorafenib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "180 Days",
        "maximum_age": "22 Years",
        "sex": "ALL",
        "summary": "180 Days to 22 Years"
      },
      "enrollment_count": 48,
      "start_date": "2024-03-28",
      "completion_date": "2028-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-08",
      "last_synced_at": "2026-10-11T08:39:26.213Z",
      "location_count": 107,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Downey, California + 84 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05828069"
    },
    {
      "nct_id": "NCT04960280",
      "title": "A Study to Evaluate a Computerized Stethoscope Called ©Voqx to Diagnose Heart Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Isolated Aortic Stenosis",
        "Mitral Regurgitation"
      ],
      "interventions": [
        {
          "name": "©VoqX stethoscope",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 400,
      "start_date": "2021-09-03",
      "completion_date": "2025-12-17",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-10-11T08:39:26.213Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04960280"
    },
    {
      "nct_id": "NCT04002531",
      "title": "A One Visit Follow Up of Adults With Fabry Disease Who Started Long-term Enzyme Replacement Therapy As Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Quality of Life",
        "Renal Insufficiency",
        "Cardiac Event"
      ],
      "interventions": [
        {
          "name": "General and Neurological examination",
          "type": "OTHER"
        },
        {
          "name": "Vital signs",
          "type": "OTHER"
        },
        {
          "name": "12 lead electrocardiogram",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiogram",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Urine collection",
          "type": "PROCEDURE"
        },
        {
          "name": "2-hour Holter Monitor",
          "type": "PROCEDURE"
        },
        {
          "name": "Brief Pain Inventory questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Quality of Life questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Baylor Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2018-11-10",
      "completion_date": "2019-12-13",
      "has_results": false,
      "last_update_posted_date": "2026-03-04",
      "last_synced_at": "2026-10-11T08:39:26.213Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04002531"
    },
    {
      "nct_id": "NCT02880137",
      "title": "Real Time Myocardial Perfusion Echocardiography for Coronary Allograft Vasculopathy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cardiac Allograft Vasculopathy"
      ],
      "interventions": [
        {
          "name": "Perflutren Lipid Microsphere",
          "type": "DRUG"
        },
        {
          "name": "RTMPE",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Year and older"
      },
      "enrollment_count": 36,
      "start_date": "2016-09",
      "completion_date": "2018-06-30",
      "has_results": true,
      "last_update_posted_date": "2019-06-20",
      "last_synced_at": "2026-10-11T08:39:26.213Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02880137"
    },
    {
      "nct_id": "NCT04739800",
      "title": "Comparison of Standard of Care Treatment With a Triplet Combination of Targeted Immunotherapeutic Agents",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Fallopian Tube Mucinous Adenocarcinoma",
        "Ovarian Seromucinous Carcinoma",
        "Platinum-Refractory Fallopian Tube Carcinoma",
        "Platinum-Refractory Ovarian Carcinoma",
        "Platinum-Refractory Primary Peritoneal Carcinoma",
        "Recurrent Fallopian Tube Clear Cell Adenocarcinoma",
        "Recurrent Fallopian Tube Endometrioid Adenocarcinoma",
        "Recurrent Fallopian Tube High Grade Serous Adenocarcinoma",
        "Recurrent Fallopian Tube Mucinous Adenocarcinoma",
        "Recurrent Fallopian Tube Transitional Cell Carcinoma",
        "Recurrent Fallopian Tube Undifferentiated Carcinoma",
        "Recurrent Low Grade Fallopian Tube Serous Adenocarcinoma",
        "Recurrent Ovarian Clear Cell Adenocarcinoma",
        "Recurrent Ovarian Endometrioid Adenocarcinoma",
        "Recurrent Ovarian High Grade Serous Adenocarcinoma",
        "Recurrent Ovarian Low Grade Serous Adenocarcinoma",
        "Recurrent Ovarian Mucinous Adenocarcinoma",
        "Recurrent Ovarian Seromucinous Carcinoma",
        "Recurrent Ovarian Transitional Cell Carcinoma",
        "Recurrent Ovarian Undifferentiated Carcinoma",
        "Recurrent Platinum-Resistant Fallopian Tube Carcinoma",
        "Recurrent Platinum-Resistant Ovarian Carcinoma",
        "Recurrent Platinum-Resistant Primary Peritoneal Carcinoma",
        "Recurrent Primary Peritoneal Clear Cell Adenocarcinoma",
        "Recurrent Primary Peritoneal Endometrioid Adenocarcinoma",
        "Recurrent Primary Peritoneal High Grade Serous Adenocarcinoma",
        "Recurrent Primary Peritoneal Low Grade Serous Adenocarcinoma",
        "Recurrent Primary Peritoneal Transitional Cell Carcinoma",
        "Recurrent Primary Peritoneal Undifferentiated Carcinoma",
        "Refractory Fallopian Tube Clear Cell Adenocarcinoma",
        "Refractory Fallopian Tube Endometrioid Adenocarcinoma",
        "Refractory Fallopian Tube High Grade Serous Adenocarcinoma",
        "Refractory Fallopian Tube Mucinous Adenocarcinoma",
        "Refractory Fallopian Tube Transitional Cell Carcinoma",
        "Refractory Fallopian Tube Undifferentiated Carcinoma",
        "Refractory Low Grade Fallopian Tube Serous Adenocarcinoma",
        "Refractory Ovarian Clear Cell Adenocarcinoma",
        "Refractory Ovarian Endometrioid Adenocarcinoma",
        "Refractory Ovarian High Grade Serous Adenocarcinoma",
        "Refractory Ovarian Low Grade Serous Adenocarcinoma",
        "Refractory Ovarian Mucinous Adenocarcinoma",
        "Refractory Ovarian Seromucinous Carcinoma",
        "Refractory Ovarian Transitional Cell Carcinoma",
        "Refractory Ovarian Undifferentiated Carcinoma",
        "Refractory Primary Peritoneal Clear Cell Adenocarcinoma",
        "Refractory Primary Peritoneal Endometrioid Adenocarcinoma",
        "Refractory Primary Peritoneal High Grade Serous Adenocarcinoma",
        "Refractory Primary Peritoneal Low Grade Serous Adenocarcinoma",
        "Refractory Primary Peritoneal Transitional Cell Carcinoma",
        "Refractory Primary Peritoneal Undifferentiated Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cediranib Maleate",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography with Contrast",
          "type": "PROCEDURE"
        },
        {
          "name": "Durvalumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Olaparib",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Pegylated Liposomal Doxorubicin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Topotecan Hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 120,
      "start_date": "2021-06-10",
      "completion_date": "2027-06-25",
      "has_results": true,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-10-11T08:39:26.213Z",
      "location_count": 384,
      "location_summary": "Anchorage, Alaska • Fairbanks, Alaska • Goodyear, Arizona + 288 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04739800"
    },
    {
      "nct_id": "NCT04335630",
      "title": "Cardiovascular Manifestations of COVID-19",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiovascular Diseases",
        "COVID"
      ],
      "interventions": [
        {
          "name": "Electrocardiogram, telemetry, echocardiogram, laboratory values",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Memorial Hermann Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2020-03-30",
      "completion_date": "2022-03",
      "has_results": false,
      "last_update_posted_date": "2020-04-07",
      "last_synced_at": "2026-10-11T08:39:26.213Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04335630"
    }
  ]
}