{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cardiac+Failure&page=6",
    "query": {
      "condition": "Cardiac Failure",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 2565,
    "total_pages": 257,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cardiac+Failure&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cardiac+Failure&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T00:57:07.803Z",
  "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": "NCT00906100",
      "title": "Prevalence of Atrial Delay That Would Preclude Optimization of Atrioventricular (AV) Delay in Patients With Biventricular (BiV) Device",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2008-05",
      "completion_date": "2010-05",
      "has_results": false,
      "last_update_posted_date": "2019-02-07",
      "last_synced_at": "2026-10-21T00:57:07.803Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00906100"
    },
    {
      "nct_id": "NCT01777607",
      "title": "The Use of Impella RP Support System in Patients With Right Heart Failure",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Right Heart Failure"
      ],
      "interventions": [
        {
          "name": "IMPELLA® RP",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abiomed Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2013-05",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2013-05-14",
      "last_synced_at": "2026-10-21T00:57:07.803Z",
      "location_count": 2,
      "location_summary": "Detroit, Michigan • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01777607"
    },
    {
      "nct_id": "NCT03220204",
      "title": "Researching Emotions And Cardiac Health: Phase III",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congestive Heart Failure",
        "Emotions",
        "Patient Compliance"
      ],
      "interventions": [
        {
          "name": "PP-based health behavior intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MI-based educational control condition",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2017-09-01",
      "completion_date": "2019-09-09",
      "has_results": true,
      "last_update_posted_date": "2021-08-30",
      "last_synced_at": "2026-10-21T00:57:07.803Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03220204"
    },
    {
      "nct_id": "NCT00927784",
      "title": "Effect of Intramyocardial Injection of Mesenchymal Precursor Cells on Heart Function in People Receiving an LVAD",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Mesenchymal Precursor cells (RevascorTM)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cryoprotective media alone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "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": 10,
      "start_date": "2009-08",
      "completion_date": "2011-02",
      "has_results": true,
      "last_update_posted_date": "2019-03-05",
      "last_synced_at": "2026-10-21T00:57:07.803Z",
      "location_count": 17,
      "location_summary": "San Diego, California • Washington D.C., District of Columbia • Oak Lawn, Illinois + 12 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Oak Lawn",
          "state": "Illinois"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00927784"
    },
    {
      "nct_id": "NCT00679822",
      "title": "The Prevalence and Risk Factors of Sleep Disordered Breathing in a Heart Failure Program",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sleep Apnea",
        "Heart Failure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 195,
      "start_date": "2007-06",
      "completion_date": "2013-07",
      "has_results": false,
      "last_update_posted_date": "2014-02-13",
      "last_synced_at": "2026-10-21T00:57:07.803Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00679822"
    },
    {
      "nct_id": "NCT03016975",
      "title": "Edwards Cardioband System ACTIVE Pivotal Clinical Trial (ACTIVE)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Functional Mitral Regurgitation",
        "Mitral Regurgitation",
        "Mitral Insufficiency"
      ],
      "interventions": [
        {
          "name": "Edwards Cardioband System",
          "type": "DEVICE"
        },
        {
          "name": "Guideline Directed Medical Therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Edwards Lifesciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2017-06-01",
      "completion_date": "2022-09-20",
      "has_results": true,
      "last_update_posted_date": "2023-11-30",
      "last_synced_at": "2026-10-21T00:57:07.803Z",
      "location_count": 24,
      "location_summary": "Los Angeles, California • Palo Alto, California • Aurora, Colorado + 18 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03016975"
    },
    {
      "nct_id": "NCT00387803",
      "title": "Safety and Effectiveness of Cardiac Resynchronization Therapy With Defibrillation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Heart Failure, Congestive",
        "Ventricular Fibrillation",
        "Tachycardia, Ventricular"
      ],
      "interventions": [
        {
          "name": "Cardiac Resynchronization Therapy with Defibrillation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 581,
      "start_date": "1998-02",
      "completion_date": "2001-08",
      "has_results": false,
      "last_update_posted_date": "2007-01-25",
      "last_synced_at": "2026-10-21T00:57:07.803Z",
      "location_count": 1,
      "location_summary": "Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00387803"
    },
    {
      "nct_id": "NCT07086131",
      "title": "A Study Investigating the Impact of IMT With CR On Exercise Responses In HF",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure With Reduced Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "Powerbreathe",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 70,
      "start_date": "2025-09-04",
      "completion_date": "2030-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-07",
      "last_synced_at": "2026-10-21T00:57:07.803Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07086131"
    },
    {
      "nct_id": "NCT00414401",
      "title": "Clinical Reminders in Test Reports to Improve Guideline Compliance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure, Congestive"
      ],
      "interventions": [
        {
          "name": "Clinical Reminder",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1500,
      "start_date": "2001-05",
      "completion_date": "2006-06",
      "has_results": false,
      "last_update_posted_date": "2015-04-07",
      "last_synced_at": "2026-10-21T00:57:07.803Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00414401"
    },
    {
      "nct_id": "NCT06517186",
      "title": "Myocardial Mechanisms in Heart Failure With Preserved Ejection Fraction",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure",
        "Heart Failure With Preserved Ejection Fraction"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 180,
      "start_date": "2024-11-08",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-09-29",
      "last_synced_at": "2026-10-21T00:57:07.803Z",
      "location_count": 6,
      "location_summary": "Chicago, Illinois • Baltimore, Maryland • Boston, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06517186"
    }
  ]
}