{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=congestive+heart+failure+patients&page=51",
    "query": {
      "intervention": "congestive heart failure patients",
      "page": 51
    },
    "page_size": 10
  },
  "pagination": {
    "page": 51,
    "page_size": 10,
    "total_count": 1231,
    "total_pages": 124,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=congestive+heart+failure+patients&page=52&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=congestive+heart+failure+patients&page=50&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T19:40:27.835Z",
  "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": "NCT06122961",
      "title": "Levels of Inflammation in People With Cardiovascular Disease (POSEIDON)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiovascular Risk",
        "Heart Failure",
        "Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "No treatment given",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Novo Nordisk A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18198,
      "start_date": "2023-11-23",
      "completion_date": "2025-04-30",
      "has_results": false,
      "last_update_posted_date": "2025-05-09",
      "last_synced_at": "2026-10-22T19:40:27.835Z",
      "location_count": 2,
      "location_summary": "Fremont, California • McKinney, Texas",
      "locations": [
        {
          "city": "Fremont",
          "state": "California"
        },
        {
          "city": "McKinney",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06122961"
    },
    {
      "nct_id": "NCT00585546",
      "title": "Harefield Recovery Protocol Study for Patients With Refractory Chronic Heart Failure",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Heart Failure",
        "Dilated Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "clenbuterol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Francis D. Pagani",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2007-07",
      "completion_date": "2010-03",
      "has_results": true,
      "last_update_posted_date": "2017-12-15",
      "last_synced_at": "2026-10-22T19:40:27.835Z",
      "location_count": 7,
      "location_summary": "Washington D.C., District of Columbia • Chicago, Illinois • Ann Arbor, Michigan + 4 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00585546"
    },
    {
      "nct_id": "NCT00560339",
      "title": "Does Lung Impedance Correlate With Changes in BNP in Stable and Acutely Decompensated Heart Failure Patients?",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congestive Heart Failure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Southern New Jersey Cardiac Specialists",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2005-09",
      "completion_date": "2009-01",
      "has_results": false,
      "last_update_posted_date": "2007-11-19",
      "last_synced_at": "2026-10-22T19:40:27.835Z",
      "location_count": 6,
      "location_summary": "Glendale, California • Voorhees Township, New Jersey • Roslyn, New York + 3 more",
      "locations": [
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Voorhees Township",
          "state": "New Jersey"
        },
        {
          "city": "Roslyn",
          "state": "New York"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00560339"
    },
    {
      "nct_id": "NCT04996719",
      "title": "Effect of Rapamycin to Improve Cardiac Function in Frail Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Rapamune",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "60 Years to 99 Years"
      },
      "enrollment_count": 24,
      "start_date": "2022-05-24",
      "completion_date": "2023-08-25",
      "has_results": false,
      "last_update_posted_date": "2023-09-28",
      "last_synced_at": "2026-10-22T19:40:27.835Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04996719"
    },
    {
      "nct_id": "NCT03247829",
      "title": "Investigation to Optimize Hemodynamic Management of Left Ventricular Assist Devices Using the CardioMEMS™",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Hemodynamic management using CardioMEMS HF System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 101,
      "start_date": "2017-08-24",
      "completion_date": "2020-06-30",
      "has_results": true,
      "last_update_posted_date": "2024-04-26",
      "last_synced_at": "2026-10-22T19:40:27.835Z",
      "location_count": 23,
      "location_summary": "La Jolla, California • Los Angeles, California • San Diego, California + 18 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03247829"
    },
    {
      "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": "2026-10-22T19:40:27.835Z",
      "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": "NCT01431027",
      "title": "Left Ventricular Torsional Hysteresis: A Global Parameter for Diastolic Function",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure",
        "Diastolic Heart Failure",
        "Heart Failure With Normal Ejection Fraction"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2011-08",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2015-08-18",
      "last_synced_at": "2026-10-22T19:40:27.835Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01431027"
    },
    {
      "nct_id": "NCT02052427",
      "title": "Safety & Efficacy of Adipose-Derived Regenerative Cells in the Treatment of Chronic Myocardial Ischemia (ATHENA II)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Myocardial Ischemia"
      ],
      "interventions": [
        {
          "name": "Celution System",
          "type": "DEVICE"
        },
        {
          "name": "Placebo",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Cytori Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "20 Years to 80 Years"
      },
      "enrollment_count": 3,
      "start_date": "2014-01",
      "completion_date": "2016-10",
      "has_results": false,
      "last_update_posted_date": "2016-10-28",
      "last_synced_at": "2026-10-22T19:40:27.835Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02052427"
    },
    {
      "nct_id": "NCT02258984",
      "title": "Can the Venus 1000 Help Clinicians Treat Patients With Severe Sepsis or Acute Heart Failure? The CVP Trial",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Severe Sepsis",
        "Acute Heart Failure"
      ],
      "interventions": [
        {
          "name": "Mespere Venus 1000 Non-Invasive CVP System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mespere Lifesciences Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2014-10",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2015-09-28",
      "last_synced_at": "2026-10-22T19:40:27.835Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02258984"
    },
    {
      "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": "2026-10-22T19:40:27.835Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05884411"
    }
  ]
}