{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Low+Ejection+Fraction&page=2",
    "query": {
      "condition": "Low Ejection Fraction",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Low+Ejection+Fraction&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T23:41:50.171Z",
  "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": "NCT04000087",
      "title": "ECG AI-Guided Screening for Low Ejection Fraction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asymptomatic Left Ventricular Systolic Dysfunction (Disorder)",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "AI-enabled ECG-based Screening Tool",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 358,
      "start_date": "2019-06-26",
      "completion_date": "2020-11-01",
      "has_results": false,
      "last_update_posted_date": "2023-05-31",
      "last_synced_at": "2026-06-26T23:41:50.171Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04000087"
    },
    {
      "nct_id": "NCT02767024",
      "title": "Intravenous Vasodilator vs. Inotropic Therapy in Patients With Heart Failure",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acute Heart Failure"
      ],
      "interventions": [
        {
          "name": "Sodium nitroprusside",
          "type": "DRUG"
        },
        {
          "name": "Dobutamine",
          "type": "DRUG"
        },
        {
          "name": "Furosemide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Montefiore Medical Center",
      "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": "2018-05-01",
      "completion_date": "2018-06-01",
      "has_results": false,
      "last_update_posted_date": "2018-10-31",
      "last_synced_at": "2026-06-26T23:41:50.171Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02767024"
    },
    {
      "nct_id": "NCT04112316",
      "title": "Developing Oral LT3 Therapy for Heart Failure - HFrEF",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure With Reduced Ejection Fraction (HFrEF)",
        "Low T3 Syndrome"
      ],
      "interventions": [
        {
          "name": "Liothyronine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2020-02-11",
      "completion_date": "2023-10-31",
      "has_results": true,
      "last_update_posted_date": "2024-12-24",
      "last_synced_at": "2026-06-26T23:41:50.171Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04112316"
    },
    {
      "nct_id": "NCT05010655",
      "title": "Low Ejection Fraction in Single Lead ECG",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Left Ventricular Dysfunction",
        "Ventricular Dysfunction",
        "Heart Diseases",
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "Use of Eko DUO Electronic Stethoscope",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Eko Devices, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1935,
      "start_date": "2021-06-01",
      "completion_date": "2022-05-24",
      "has_results": false,
      "last_update_posted_date": "2022-12-09",
      "last_synced_at": "2026-06-26T23:41:50.171Z",
      "location_count": 2,
      "location_summary": "O'Fallon, Illinois • Springfield, Illinois",
      "locations": [
        {
          "city": "O'Fallon",
          "state": "Illinois"
        },
        {
          "city": "Springfield",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05010655"
    },
    {
      "nct_id": "NCT04963218",
      "title": "A Multi-Center Study of Detection of Low Ventricular Ejection Fraction",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiac Disease"
      ],
      "interventions": [
        {
          "name": "AI Algorithm to detect LVEF in ECG",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 16000,
      "start_date": "2021-08-30",
      "completion_date": "2022-04-13",
      "has_results": false,
      "last_update_posted_date": "2022-07-13",
      "last_synced_at": "2026-06-26T23:41:50.171Z",
      "location_count": 4,
      "location_summary": "Boston, Massachusetts • The Bronx, New York • Rapid City, South Dakota + 1 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "Rapid City",
          "state": "South Dakota"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04963218"
    },
    {
      "nct_id": "NCT00346177",
      "title": "Stem Cell Study for Patients With Heart Failure",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Myocardial Ischemia",
        "Congestive Heart Failure",
        "Cardiovascular Disease"
      ],
      "interventions": [
        {
          "name": "Autologous Stem Cells",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Losordo, Douglas, M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2010-09",
      "completion_date": "2012-09",
      "has_results": false,
      "last_update_posted_date": "2010-09-14",
      "last_synced_at": "2026-06-26T23:41:50.171Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00346177"
    },
    {
      "nct_id": "NCT03016754",
      "title": "Heart Failure Optimization Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sudden Cardiac Death",
        "Sudden Cardiac Arrest",
        "Heart Failure",
        "Heart Failure Low Output"
      ],
      "interventions": [
        {
          "name": "Wearable Cardioverter Defibrillator",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Zoll Medical Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 602,
      "start_date": "2017-03-01",
      "completion_date": "2022-06-01",
      "has_results": true,
      "last_update_posted_date": "2025-03-24",
      "last_synced_at": "2026-06-26T23:41:50.171Z",
      "location_count": 39,
      "location_summary": "Birmingham, Alabama • West Hills, California • Fernandina Beach, Florida + 34 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "West Hills",
          "state": "California"
        },
        {
          "city": "Fernandina Beach",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03016754"
    },
    {
      "nct_id": "NCT00620048",
      "title": "Stem Cell Study for Subjects With Congestive Heart Failure",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Myocardial Ischemia",
        "Congestive Heart Failure",
        "Cardiovascular Disease"
      ],
      "interventions": [
        {
          "name": "Intramyocardial injection of autologous CD34-positive cells (stem cells)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Losordo, Douglas, M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 4,
      "start_date": "2008-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2015-03-31",
      "last_synced_at": "2026-06-26T23:41:50.171Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00620048"
    },
    {
      "nct_id": "NCT06763549",
      "title": "COR-INSIGHT: Optimizing Cardiovascular and Cardiopulmonary Outcomes with AI-Driven Multiplexed Indications Using COR ECG Wearable",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiopulmonary Failure",
        "Myocardial Infarction (MI)",
        "Heart Decompensation",
        "Heart Failure",
        "HFrEF - Heart Failure with Reduced Ejection Fraction",
        "HFpEF - Heart Failure with Preserved Ejection Fraction",
        "Syncopation",
        "Syncope",
        "Ischemic Cardiovascular Disease",
        "STEMI",
        "STEMI (ST Elevation MI)",
        "Atrial Fibrillation (AF)",
        "Atrial Enlargement",
        "LVF",
        "Conduction Defect",
        "Conduction Abnormalities",
        "Heart Block",
        "Valvular Diseases",
        "Cardiac Output, Low",
        "Stroke Volume",
        "Stroke Volume Variation",
        "Hyperkalemia",
        "Hypercalcemia",
        "Hypocalcemia",
        "LV Dysfunction",
        "QT Prolongation",
        "Sudden Cardiac Death Due to Cardiac Arrhythmia",
        "Ventricular Arrhythmia",
        "Pacing",
        "Pacing Induced Dyssynchrony",
        "Silent Ischemia",
        "Pericarditis",
        "Sleep Related Breathing Disorder",
        "RSA",
        "Apnea, Obstructive",
        "Cardiac Output Measurement",
        "Respiratory Impedance",
        "CRT And/or ICD",
        "Infarction",
        "Cardiomyopathies, Primary",
        "Hypertrophy"
      ],
      "interventions": [
        {
          "name": "SUBPROTOCOL A",
          "type": "DEVICE"
        },
        {
          "name": "SUBPROTOCOL B",
          "type": "DEVICE"
        },
        {
          "name": "SUBPROTOCOL C",
          "type": "DEVICE"
        },
        {
          "name": "SUBPROTOCOL D",
          "type": "DEVICE"
        },
        {
          "name": "SUBPROTOCOL E",
          "type": "DEVICE"
        },
        {
          "name": "SUBPROTOCOL F",
          "type": "DEVICE"
        },
        {
          "name": "SUBPROTOCOL G",
          "type": "DEVICE"
        },
        {
          "name": "SUBPROTOCOL H",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Peerbridge Health, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15000,
      "start_date": "2024-11-16",
      "completion_date": "2026-04-15",
      "has_results": false,
      "last_update_posted_date": "2025-01-08",
      "last_synced_at": "2026-06-26T23:41:50.171Z",
      "location_count": 1,
      "location_summary": "Melbourne, Florida",
      "locations": [
        {
          "city": "Melbourne",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06763549"
    },
    {
      "nct_id": "NCT07087613",
      "title": "Deep Learning Detection of Pulmonary Hypertension and Low Ejection Fraction Via Digital Stethoscope and 3-Lead ECG",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypertension, Pulmonary",
        "Heart Failure With Reduced Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "Eko CORE 500 Digital Stethoscope",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Eko Devices, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3850,
      "start_date": "2025-06-15",
      "completion_date": "2027-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-18",
      "last_synced_at": "2026-06-26T23:41:50.171Z",
      "location_count": 4,
      "location_summary": "O'Fallon, Illinois • Springfield, Illinois • Norfolk, Virginia",
      "locations": [
        {
          "city": "O'Fallon",
          "state": "Illinois"
        },
        {
          "city": "Springfield",
          "state": "Illinois"
        },
        {
          "city": "Springfield",
          "state": "Illinois"
        },
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07087613"
    }
  ]
}