{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=congestive+heart+failure+patients&page=45",
    "query": {
      "intervention": "congestive heart failure patients",
      "page": 45
    },
    "page_size": 10
  },
  "pagination": {
    "page": 45,
    "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=46&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=congestive+heart+failure+patients&page=44&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T03:01:05.312Z",
  "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": "NCT00526253",
      "title": "To Assess Safety and Efficacy of Myoblast Implantation Into Myocardium Post Myocardial Infarction",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Congestive Heart Failure"
      ],
      "interventions": [
        {
          "name": "MyoCell",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Hypothermosol",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Bioheart, 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": 170,
      "start_date": "2007-09",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2017-07-21",
      "last_synced_at": "2026-10-21T03:01:05.312Z",
      "location_count": 33,
      "location_summary": "Birmingham, Alabama • Gilbert, Arizona • Phoenix, Arizona + 25 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00526253"
    },
    {
      "nct_id": "NCT00746356",
      "title": "Safety and Efficacy of Automatic Testing Feature in New ICDs and CRT-Ds",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure",
        "Ventricular Arrythmias"
      ],
      "interventions": [
        {
          "name": "Testing of the autocapture features of the device",
          "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": 128,
      "start_date": "2008-08",
      "completion_date": "2010-01",
      "has_results": true,
      "last_update_posted_date": "2019-02-19",
      "last_synced_at": "2026-10-21T03:01:05.312Z",
      "location_count": 5,
      "location_summary": "Little Rock, Arkansas • Browns Mills, New Jersey • Nashville, Tennessee + 1 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Browns Mills",
          "state": "New Jersey"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00746356"
    },
    {
      "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": "2026-10-21T03:01:05.312Z",
      "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": "NCT02235077",
      "title": "Study of High-dose Spironolactone vs. Placebo Therapy in Acute Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Spironolactone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 360,
      "start_date": "2014-12-30",
      "completion_date": "2016-06-06",
      "has_results": true,
      "last_update_posted_date": "2017-06-14",
      "last_synced_at": "2026-10-21T03:01:05.312Z",
      "location_count": 22,
      "location_summary": "Atlanta, Georgia • Baltimore, Maryland • Boston, Massachusetts + 12 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02235077"
    },
    {
      "nct_id": "NCT03551756",
      "title": "Assessment of Biomarkers in Patients With Decompensated Heart Failure and Underlying Coronary Artery Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure With Reduced Ejection Fraction",
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Biomarker Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "CirQuest Labs, LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 94,
      "start_date": "2018-08-13",
      "completion_date": "2020-11-03",
      "has_results": false,
      "last_update_posted_date": "2026-10-20",
      "last_synced_at": "2026-10-21T03:01:05.312Z",
      "location_count": 3,
      "location_summary": "Jacksonville, Florida • Germantown, Tennessee • Memphis, Tennessee",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Germantown",
          "state": "Tennessee"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03551756"
    },
    {
      "nct_id": "NCT02924727",
      "title": "Prospective ARNI vs ACE Inhibitor Trial to DetermIne Superiority in Reducing Heart Failure Events After MI",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acute Myocardial Infarction"
      ],
      "interventions": [
        {
          "name": "LCZ696 (sacubitril/valsartan)",
          "type": "DRUG"
        },
        {
          "name": "Ramipril",
          "type": "DRUG"
        },
        {
          "name": "Placebo of LCZ696",
          "type": "DRUG"
        },
        {
          "name": "Placebo of ramipril",
          "type": "DRUG"
        },
        {
          "name": "Valsartan",
          "type": "DRUG"
        },
        {
          "name": "Placebo of valsartan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5669,
      "start_date": "2016-12-09",
      "completion_date": "2021-02-26",
      "has_results": true,
      "last_update_posted_date": "2023-06-22",
      "last_synced_at": "2026-10-21T03:01:05.312Z",
      "location_count": 81,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Gilbert, Arizona + 74 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02924727"
    },
    {
      "nct_id": "NCT00255931",
      "title": "Impact of a Psychological Biofeedback-Relaxation Intervention on Clinical, Physical and Psychological Outcomes in Patients With Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention Placebo",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Kentucky",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 380,
      "start_date": "2004-07",
      "completion_date": "2010-05",
      "has_results": false,
      "last_update_posted_date": "2012-06-05",
      "last_synced_at": "2026-10-21T03:01:05.312Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00255931"
    },
    {
      "nct_id": "NCT06253104",
      "title": "Changes in Skeletal Muscle Thickness in Patients With Acute Heart Failure",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure",
        "Muscle Atrophy",
        "Skeletal Muscle Atrophy",
        "Cardiogenic Shock"
      ],
      "interventions": [
        {
          "name": "BodyMetrix Body Composition Ultrasound",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Tufts Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 60,
      "start_date": "2024-02-19",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-04-23",
      "last_synced_at": "2026-10-21T03:01:05.312Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06253104"
    },
    {
      "nct_id": "NCT07574593",
      "title": "NORM-HF Pivotal Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure",
        "NYHA Class III Heart Failure",
        "NYHA Class II Heart Failure"
      ],
      "interventions": [
        {
          "name": "IVC Sensor",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Foundry Innovation & Research 1, Limited (FIRE1)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 800,
      "start_date": "2026-05-29",
      "completion_date": "2033-12",
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-10-21T03:01:05.312Z",
      "location_count": 25,
      "location_summary": "Chula Vista, California • Sacramento, California • Jacksonville, Florida + 19 more",
      "locations": [
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07574593"
    },
    {
      "nct_id": "NCT01603706",
      "title": "Radial Strain ECHO-Guided Implantation of Cardiac Resynchronization Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ischemic Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "Echo guided implantation group",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Sheba Medical Center",
      "sponsor_class": "OTHER_GOV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 172,
      "start_date": "2012-05",
      "completion_date": "2017-10",
      "has_results": false,
      "last_update_posted_date": "2017-10-19",
      "last_synced_at": "2026-10-21T03:01:05.312Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01603706"
    }
  ]
}