{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Systolic+Heart+Failure",
    "query": {
      "condition": "Systolic Heart Failure"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 143,
    "total_pages": 15,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Systolic+Heart+Failure&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T22:15:26.842Z",
  "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": "NCT03030235",
      "title": "Dapagliflozin in PRESERVED Ejection Fraction Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Heart Failure With Preserved Systolic Function"
      ],
      "interventions": [
        {
          "name": "Dapagliflozin 10Mg Oral Tablet",
          "type": "DRUG"
        },
        {
          "name": "Dapagliflozin matching placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Saint Luke's Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "119 Years",
        "sex": "ALL",
        "summary": "19 Years to 119 Years"
      },
      "enrollment_count": 324,
      "start_date": "2017-03-01",
      "completion_date": "2021-08-13",
      "has_results": true,
      "last_update_posted_date": "2022-10-19",
      "last_synced_at": "2026-06-10T22:15:26.842Z",
      "location_count": 26,
      "location_summary": "Fairhope, Alabama • Los Angeles, California • Jacksonville, Florida + 21 more",
      "locations": [
        {
          "city": "Fairhope",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Port Charlotte",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03030235"
    },
    {
      "nct_id": "NCT04064541",
      "title": "Virtual Visits to Optimize Research Trial Offerings to HF Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure, Systolic",
        "Heart Failure With Preserved Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "Virtual Visit",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 94,
      "start_date": "2019-08-01",
      "completion_date": "2020-03-30",
      "has_results": false,
      "last_update_posted_date": "2020-08-17",
      "last_synced_at": "2026-06-10T22:15:26.842Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04064541"
    },
    {
      "nct_id": "NCT05884411",
      "title": "Evaluation of Left Bundle Branch Area Pacing As A Rescue Strategy for Cardiac Resynchronization Therapy Non-Response",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Systolic Heart Failure",
        "Heart Failure With Reduced Ejection Fraction",
        "CRT Non-Response",
        "Left Bundle Branch Area Pacing"
      ],
      "interventions": [
        {
          "name": "Left bundle branch area pacing",
          "type": "DEVICE"
        },
        {
          "name": "Cardiac MRI",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 0,
      "start_date": "2023-04-30",
      "completion_date": "2025-08-05",
      "has_results": false,
      "last_update_posted_date": "2025-08-11",
      "last_synced_at": "2026-06-10T22:15:26.842Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05884411"
    },
    {
      "nct_id": "NCT02432092",
      "title": "Pediatric Cardiomyopathy Mutation Analysis",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiomyopathies",
        "Dilated Cardiomyopathy",
        "Hypertrophic Cardiomyopathy",
        "Restrictive Cardiomyopathy",
        "Arrhythmogenic Right Ventricular Cardiomyopathy",
        "Left Ventricular Non-compaction Cardiomyopathy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 300,
      "start_date": "2014-04",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-06-26",
      "last_synced_at": "2026-06-10T22:15:26.842Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02432092"
    },
    {
      "nct_id": "NCT04112576",
      "title": "Physiological Signals, Activity and Posture for Surface Mounted Insertable Cardiac Monitor in Heart Failure Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure, Systolic",
        "Heart Failure, Diastolic"
      ],
      "interventions": [
        {
          "name": "Wearable cardiac monitor",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2020-07-23",
      "completion_date": "2022-05-11",
      "has_results": false,
      "last_update_posted_date": "2023-04-07",
      "last_synced_at": "2026-06-10T22:15:26.842Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04112576"
    },
    {
      "nct_id": "NCT00211874",
      "title": "Improving Heart Failure Care in Minority Communities",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congestive Heart Failure (CHF)",
        "Systolic Dysfunction"
      ],
      "interventions": [
        {
          "name": "Nurse-management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 406,
      "start_date": "2000-09",
      "completion_date": "2002-09",
      "has_results": false,
      "last_update_posted_date": "2015-10-12",
      "last_synced_at": "2026-06-10T22:15:26.842Z",
      "location_count": 4,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00211874"
    },
    {
      "nct_id": "NCT00082589",
      "title": "The Purpose of This Study is to Determine if Eplerenone is Effective in Treatment of Mild to Moderate Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure, Congestive"
      ],
      "interventions": [
        {
          "name": "Eplerenone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer's Upjohn has merged with Mylan to form Viatris Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 250,
      "start_date": "2004-04",
      "completion_date": "2006-03",
      "has_results": false,
      "last_update_posted_date": "2020-12-22",
      "last_synced_at": "2026-06-10T22:15:26.842Z",
      "location_count": 53,
      "location_summary": "Castro Valley, California • San Diego, California • Santa Rosa, California + 42 more",
      "locations": [
        {
          "city": "Castro Valley",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Santa Rosa",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00082589"
    },
    {
      "nct_id": "NCT02120014",
      "title": "Blood Volume and Hemodynamic Analysis in Patients With Chronic Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congestive Heart Failure"
      ],
      "interventions": [
        {
          "name": "blood volume measurement",
          "type": "PROCEDURE"
        },
        {
          "name": "venous plethysmography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 60,
      "start_date": "2014-04-21",
      "completion_date": "2018-07-06",
      "has_results": false,
      "last_update_posted_date": "2018-10-24",
      "last_synced_at": "2026-06-10T22:15:26.842Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02120014"
    },
    {
      "nct_id": "NCT04145635",
      "title": "The Aortix CRS Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure; With Decompensation",
        "Cardiorenal Syndrome",
        "Cardio-Renal Syndrome",
        "Heart Failure",
        "Heart Failure，Congestive",
        "Heart Failure, Systolic",
        "Heart Failure, Diastolic"
      ],
      "interventions": [
        {
          "name": "Aortix System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Procyrion",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2021-02-05",
      "completion_date": "2023-03-09",
      "has_results": true,
      "last_update_posted_date": "2024-04-17",
      "last_synced_at": "2026-06-10T22:15:26.842Z",
      "location_count": 14,
      "location_summary": "Los Angeles, California • San Francisco, California • Denver, Colorado + 11 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04145635"
    },
    {
      "nct_id": "NCT04743063",
      "title": "Prospective Monitoring of Angiotensin Receptor Neprilysin Inhibitor in Older Adults With Heart Failure and Frailty",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure, Systolic",
        "Frailty"
      ],
      "interventions": [
        {
          "name": "sacubitril/valsartan",
          "type": "DRUG"
        },
        {
          "name": "Angiotensin II Receptor Blockers",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 40000,
      "start_date": "2021-01-14",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-02-15",
      "last_synced_at": "2026-06-10T22:15:26.842Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04743063"
    }
  ]
}