{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Congestive+Heart+Failure%28CHF%29&page=20",
    "query": {
      "condition": "Congestive Heart Failure(CHF)",
      "page": 20
    },
    "page_size": 10
  },
  "pagination": {
    "page": 20,
    "page_size": 10,
    "total_count": 2440,
    "total_pages": 244,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Congestive+Heart+Failure%28CHF%29&page=21&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Congestive+Heart+Failure%28CHF%29&page=19&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T23:12:12.345Z",
  "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": "NCT00783848",
      "title": "Validating PROMIS Instruments in Congestive Heart Failure Patients Receiving a Heart Transplant",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congestive Heart Failure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 58,
      "start_date": "2009-03",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2013-04-29",
      "last_synced_at": "2026-10-14T23:12:12.345Z",
      "location_count": 2,
      "location_summary": "Palo Alto, California • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00783848"
    },
    {
      "nct_id": "NCT05600725",
      "title": "Novel Cardiac Pacing to Initiate Cardiac Remodeling in Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiomyopathies",
        "Heart Rate",
        "Conditioning"
      ],
      "interventions": [
        {
          "name": "novel atrial pacing approach",
          "type": "OTHER"
        },
        {
          "name": "sham pacing approach",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Denise Hodgson-Zingman",
      "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": "2022-11-02",
      "completion_date": "2023-02-28",
      "has_results": false,
      "last_update_posted_date": "2023-05-16",
      "last_synced_at": "2026-10-14T23:12:12.345Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05600725"
    },
    {
      "nct_id": "NCT00094250",
      "title": "HEARTS: Heart, Exercise, and Resistance Training Study",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Diseases",
        "Heart Failure, Congestive",
        "Heart Diseases"
      ],
      "interventions": [
        {
          "name": "Resistance and Aerobic Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "65 Years to 90 Years"
      },
      "enrollment_count": 200,
      "start_date": "2006-07",
      "completion_date": "2008-06",
      "has_results": false,
      "last_update_posted_date": "2016-07-29",
      "last_synced_at": "2026-10-14T23:12:12.345Z",
      "location_count": 1,
      "location_summary": "Staten Island, New York",
      "locations": [
        {
          "city": "Staten Island",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00094250"
    },
    {
      "nct_id": "NCT00357591",
      "title": "Randomized Trial for Patients With Chronic Heart Failure With Acute Decompensation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure, Congestive"
      ],
      "interventions": [
        {
          "name": "Continuous Aortic Flow Augmentation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Orqis Medical Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 200,
      "start_date": "2004-09",
      "completion_date": "2008-01",
      "has_results": false,
      "last_update_posted_date": "2009-12-25",
      "last_synced_at": "2026-10-14T23:12:12.345Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00357591"
    },
    {
      "nct_id": "NCT01529463",
      "title": "Effect of Post Discharge Follow-up on Readmission Rates for Congestive Heart Failure Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congestive Heart Failure",
        "Systolic Dysfunction"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Trinity Health Of New England",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2011-01",
      "completion_date": "2012-11",
      "has_results": false,
      "last_update_posted_date": "2013-03-01",
      "last_synced_at": "2026-10-14T23:12:12.345Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01529463"
    },
    {
      "nct_id": "NCT06618976",
      "title": "Antithrombotic Activities of Sotagliflozin vs. Empagliflozin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Thrombosis"
      ],
      "interventions": [
        {
          "name": "Sotagliflozin",
          "type": "DRUG"
        },
        {
          "name": "Empagliflozin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2025-02-25",
      "completion_date": "2026-02-10",
      "has_results": false,
      "last_update_posted_date": "2026-04-30",
      "last_synced_at": "2026-10-14T23:12:12.345Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06618976"
    },
    {
      "nct_id": "NCT00500734",
      "title": "Cardiomyopathy Tissue Bank in a Cancer Population",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Disease"
      ],
      "interventions": [
        {
          "name": "Blood Sample",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Months and older"
      },
      "enrollment_count": 1000,
      "start_date": "2002-12-10",
      "completion_date": "2020-12",
      "has_results": false,
      "last_update_posted_date": "2020-01-27",
      "last_synced_at": "2026-10-14T23:12:12.345Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00500734"
    },
    {
      "nct_id": "NCT01427634",
      "title": "Proactive Palliative Care for Patients With Ventricular Assist Devices (VAD) and Their Families",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure",
        "End-stage Disease"
      ],
      "interventions": [
        {
          "name": "Palliative Care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2011-07",
      "completion_date": "2012-07",
      "has_results": false,
      "last_update_posted_date": "2013-09-06",
      "last_synced_at": "2026-10-14T23:12:12.345Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01427634"
    },
    {
      "nct_id": "NCT07219511",
      "title": "A Safety, Tolerability, and Biomarker Trial of VS-041 in Participants With Heart Failure With Preserved Ejection Fraction (HFpEF)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Heart",
        "Heart Failure With Preserved Ejection Fraction (HFPEF)"
      ],
      "interventions": [
        {
          "name": "VS-041",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Vasa Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2025-11-04",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2026-04-09",
      "last_synced_at": "2026-10-14T23:12:12.345Z",
      "location_count": 21,
      "location_summary": "Little Rock, Arkansas • Huntington Beach, California • Santa Maria, California + 18 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Santa Maria",
          "state": "California"
        },
        {
          "city": "Van Nuys",
          "state": "California"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07219511"
    },
    {
      "nct_id": "NCT00776035",
      "title": "Sex and Obesity: Effects on Heart Failure Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "PET (Positron Emission Tomography)",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiogram",
          "type": "PROCEDURE"
        },
        {
          "name": "^15O-water",
          "type": "RADIATION"
        },
        {
          "name": "1-^11C-palmitate",
          "type": "RADIATION"
        },
        {
          "name": "1-^11C-glucose",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "20 Years to 65 Years"
      },
      "enrollment_count": 19,
      "start_date": "2000-02-01",
      "completion_date": "2011-04-02",
      "has_results": true,
      "last_update_posted_date": "2024-05-03",
      "last_synced_at": "2026-10-14T23:12:12.345Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00776035"
    }
  ]
}