{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=HFrEF",
    "query": {
      "condition": "HFrEF"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 71,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=HFrEF&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T03:17:49.310Z",
  "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": "NCT05136820",
      "title": "Flow Regulation by Opening the SepTum in Patients With Heart Failure; a Prospective, Randomized, Sham-controlled, Double-blind, Global Multicenter Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure With Preserved Ejection Fraction (HFpEF)",
        "Heart Failure With Reduced Ejection Fraction (HFrEF)"
      ],
      "interventions": [
        {
          "name": "Atrial Flow Regulator",
          "type": "DEVICE"
        },
        {
          "name": "Sham Comparator",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Occlutech International AB",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2023-03-09",
      "completion_date": "2029-02",
      "has_results": false,
      "last_update_posted_date": "2025-08-08",
      "last_synced_at": "2026-09-02T03:17:49.310Z",
      "location_count": 2,
      "location_summary": "Phoenix, Arizona • New York, New York",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05136820"
    },
    {
      "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": "2026-09-02T03:17:49.310Z",
      "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": "NCT06699056",
      "title": "AI-Enabled Direct-from-ECG Ejection Fraction (EF) Severity Assessment Using COR ECG Wearable Monitor",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ventricular Ejection Fraction",
        "LVF",
        "LV Dysfunction",
        "Atrial Enlargement",
        "Conduction Defect",
        "Heart Failure",
        "Valvular Heart Disease",
        "Ischemic Heart Disease",
        "Cardiotoxicity",
        "Myocardial Infarction",
        "Dilated Cardiomyopathy",
        "HFrEF - Heart Failure With Reduced Ejection Fraction",
        "HFpEF - Heart Failure With Preserved Ejection Fraction",
        "Syncope",
        "Remodeling, Cardiac"
      ],
      "interventions": [
        {
          "name": "15-minutes of sitting during COR ECG Acquistion",
          "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": 2000,
      "start_date": "2024-11-21",
      "completion_date": "2027-11-15",
      "has_results": false,
      "last_update_posted_date": "2026-06-01",
      "last_synced_at": "2026-09-02T03:17:49.310Z",
      "location_count": 8,
      "location_summary": "Orange, California • Pasadena, California • Detroit, Michigan + 5 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Hackensack",
          "state": "New Jersey"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06699056"
    },
    {
      "nct_id": "NCT05096039",
      "title": "Role of Sacubitril/Valsartan in Improving Provider Performance in Managing Heart Failure Under Medicare Alternative Payment Models",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Sacubitril/valsartan",
          "type": "DRUG"
        },
        {
          "name": "ACEI or ARB and no sacubitril/valsartan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 1614719,
      "start_date": "2020-04-10",
      "completion_date": "2020-09-30",
      "has_results": false,
      "last_update_posted_date": "2021-12-16",
      "last_synced_at": "2026-09-02T03:17:49.310Z",
      "location_count": 1,
      "location_summary": "East Hanover, New Jersey",
      "locations": [
        {
          "city": "East Hanover",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05096039"
    },
    {
      "nct_id": "NCT06831825",
      "title": "Study Assessing Left Ventricular Administration of a Genetic Medicine Directing Organ Regeneration in Heart Failure",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Heart Failure With Reduced Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "YAP101 (AAV9-Sav-shRNA)",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Medley Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 24,
      "start_date": "2025-04-23",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2025-04-27",
      "last_synced_at": "2026-09-02T03:17:49.310Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06831825"
    },
    {
      "nct_id": "NCT03036124",
      "title": "Study to Evaluate the Effect of Dapagliflozin on the Incidence of Worsening Heart Failure or Cardiovascular Death in Patients With Chronic Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Heart Failure With Reduced Ejection Fraction (HFrEF)"
      ],
      "interventions": [
        {
          "name": "Dapagliflozin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "18 Years to 130 Years"
      },
      "enrollment_count": 4744,
      "start_date": "2017-02-08",
      "completion_date": "2019-07-17",
      "has_results": true,
      "last_update_posted_date": "2020-09-01",
      "last_synced_at": "2026-09-02T03:17:49.310Z",
      "location_count": 86,
      "location_summary": "Fairhope, Alabama • Mobile, Alabama • Sheffield, Alabama + 74 more",
      "locations": [
        {
          "city": "Fairhope",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Sheffield",
          "state": "Alabama"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03036124"
    },
    {
      "nct_id": "NCT04210375",
      "title": "Study of JK07 in Subjects With Heart Failure With Reduced Ejection Fraction (HFrEF)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Heart Failure With Reduced Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "JK07",
          "type": "DRUG"
        },
        {
          "name": "Matching Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Salubris Biotherapeutics Inc",
      "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": 14,
      "start_date": "2020-09-21",
      "completion_date": "2023-07-07",
      "has_results": true,
      "last_update_posted_date": "2025-07-09",
      "last_synced_at": "2026-09-02T03:17:49.310Z",
      "location_count": 7,
      "location_summary": "Tucson, Arizona • Stanford, California • Boston, Massachusetts + 4 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04210375"
    },
    {
      "nct_id": "NCT03057977",
      "title": "EMPagliflozin outcomE tRial in Patients With chrOnic heaRt Failure With Reduced Ejection Fraction (EMPEROR-Reduced)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Empagliflozin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3730,
      "start_date": "2017-03-06",
      "completion_date": "2020-05-28",
      "has_results": true,
      "last_update_posted_date": "2021-05-18",
      "last_synced_at": "2026-09-02T03:17:49.310Z",
      "location_count": 92,
      "location_summary": "La Mesa, California • Long Beach, California • Los Angeles, California + 81 more",
      "locations": [
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Merced",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03057977"
    },
    {
      "nct_id": "NCT06363110",
      "title": "An Observational Study to Learn More About Vericiguat Treatment Patterns and Its Safety in People With Chronic Heart Failure With Reduced Ejection Fraction in Routine Medical Care in the United States",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Heart Failure With Reduced Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "Vericiguat (Verquvo, BAY1021189)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1400,
      "start_date": "2024-04-10",
      "completion_date": "2024-06-24",
      "has_results": false,
      "last_update_posted_date": "2024-07-03",
      "last_synced_at": "2026-09-02T03:17:49.310Z",
      "location_count": 1,
      "location_summary": "Whippany, New Jersey",
      "locations": [
        {
          "city": "Whippany",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06363110"
    },
    {
      "nct_id": "NCT01720160",
      "title": "BAROSTIM® Hope for Heart Failure Study",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "BAROSTIM NEO® System",
          "type": "DEVICE"
        },
        {
          "name": "Standard of care medical managment therapy for heart failure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "CVRx, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 98,
      "start_date": "2012-11",
      "completion_date": "2021-03",
      "has_results": false,
      "last_update_posted_date": "2019-05-14",
      "last_synced_at": "2026-09-02T03:17:49.310Z",
      "location_count": 23,
      "location_summary": "Mesa, Arizona • Phoenix, Arizona • Los Angeles, California + 20 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlantis",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01720160"
    }
  ]
}