{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=CHF+-+Congestive+Heart+Failure&page=4",
    "query": {
      "condition": "CHF - Congestive Heart Failure",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 496,
    "total_pages": 50,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=CHF+-+Congestive+Heart+Failure&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=CHF+-+Congestive+Heart+Failure&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T12:17:46.463Z",
  "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": "NCT00508716",
      "title": "Health Literacy in Patients With Congestive Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congestive Heart Failure"
      ],
      "interventions": [
        {
          "name": "Health Literacy-Tailored Education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Griffin Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 124,
      "start_date": "2007-03",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2015-04-15",
      "last_synced_at": "2026-10-02T12:17:46.463Z",
      "location_count": 1,
      "location_summary": "Derby, Connecticut",
      "locations": [
        {
          "city": "Derby",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00508716"
    },
    {
      "nct_id": "NCT07831538",
      "title": "Digital Outreach for Heart Failure Adherence",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "CHF - Congestive Heart Failure"
      ],
      "interventions": [
        {
          "name": "Digital Outreach",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13714,
      "start_date": "2026-09-21",
      "completion_date": "2028-03",
      "has_results": false,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-10-02T12:17:46.463Z",
      "location_count": 1,
      "location_summary": "Pleasanton, California",
      "locations": [
        {
          "city": "Pleasanton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07831538"
    },
    {
      "nct_id": "NCT04703842",
      "title": "Modulation of SERCA2a of Intra-myocytic Calcium Trafficking in Heart Failure With Reduced Ejection Fraction",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Congestive Heart Failure",
        "Heart Failure, Systolic",
        "Heart Failure",
        "HFrEF - Heart Failure With Reduced Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "SRD-001",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Sardocor Corp.",
      "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": 57,
      "start_date": "2021-09-23",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2024-03-26",
      "last_synced_at": "2026-10-02T12:17:46.463Z",
      "location_count": 5,
      "location_summary": "San Diego, California • San Francisco, California • St Louis, Missouri + 2 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04703842"
    },
    {
      "nct_id": "NCT00439842",
      "title": "Self-Management and Care of Heart Failure With Group Clinics (SMAC-HF)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure, Congestive"
      ],
      "interventions": [
        {
          "name": "Heart Failure Group Clinic Appointments",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Carol Smith, RN, PhD, FAAN",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 198,
      "start_date": "2007-03",
      "completion_date": "2014-11",
      "has_results": false,
      "last_update_posted_date": "2015-04-17",
      "last_synced_at": "2026-10-02T12:17:46.463Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00439842"
    },
    {
      "nct_id": "NCT03034551",
      "title": "Mobile App With Patient Financial Incentives for Adherence to Heart Failure Medications & Daily Self-Weighing",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure",
        "Heart Failure, Congestive",
        "Heart Failure, Systolic"
      ],
      "interventions": [
        {
          "name": "Financial Incentive, Mobile Phone App, and Cellular Scale",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Wellth Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2017-01-30",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2019-05-09",
      "last_synced_at": "2026-10-02T12:17:46.463Z",
      "location_count": 1,
      "location_summary": "Plainsboro, New Jersey",
      "locations": [
        {
          "city": "Plainsboro",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03034551"
    },
    {
      "nct_id": "NCT00180258",
      "title": "Comparison of Medical Therapy, Pacing and Defibrillation in Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Congestive Heart Failure"
      ],
      "interventions": [
        {
          "name": "Cardiac Resynchronization Therapy with & without defibrillator",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2200,
      "start_date": "2000-01",
      "completion_date": "2002-12",
      "has_results": false,
      "last_update_posted_date": "2007-01-25",
      "last_synced_at": "2026-10-02T12:17:46.463Z",
      "location_count": 1,
      "location_summary": "Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00180258"
    },
    {
      "nct_id": "NCT05467735",
      "title": "Above-Knee-High Application of Lower Limb Compression and Its Impact on Clinical Outcome in Patients Hospitalized With Heart Failure Exacerbation.",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure; With Decompensation",
        "Lower Extremity Edema",
        "Heart Failure，Congestive"
      ],
      "interventions": [
        {
          "name": "Application of compression to bilateral lower extremities of patients using appropriately-sized elastic compression stockings.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The University of Texas Medical Branch, Galveston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2022-04-30",
      "completion_date": "2024-09-10",
      "has_results": false,
      "last_update_posted_date": "2024-12-18",
      "last_synced_at": "2026-10-02T12:17:46.463Z",
      "location_count": 1,
      "location_summary": "Galveston, Texas",
      "locations": [
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05467735"
    },
    {
      "nct_id": "NCT00125476",
      "title": "Effects of Exercise Training on Diastolic Heart Function in Postmenopausal Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure, Congestive",
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 75 Years · Female only"
      },
      "enrollment_count": 215,
      "start_date": "2004-07",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2006-10-11",
      "last_synced_at": "2026-10-02T12:17:46.463Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00125476"
    },
    {
      "nct_id": "NCT00522340",
      "title": "Exercise After an ICD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Defibrillators, Implantable",
        "Heart Failure, Congestive"
      ],
      "interventions": [
        {
          "name": "Aerobic Exercise Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "2007-11",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2014-11-10",
      "last_synced_at": "2026-10-02T12:17:46.463Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00522340"
    },
    {
      "nct_id": "NCT00563238",
      "title": "Beta-blocker Before Extubation",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myocardial Ischemia"
      ],
      "interventions": [
        {
          "name": "Metoprolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gregory A. Schmidt",
      "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": 0,
      "start_date": "2007-11",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2017-02-28",
      "last_synced_at": "2026-10-02T12:17:46.463Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00563238"
    }
  ]
}