{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Failure&page=48",
    "query": {
      "condition": "Heart Failure",
      "page": 48
    },
    "page_size": 10
  },
  "pagination": {
    "page": 48,
    "page_size": 10,
    "total_count": 2566,
    "total_pages": 257,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Failure&page=49&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Failure&page=47&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-30T20:10:09.135Z",
  "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": "NCT02699944",
      "title": "Optimization of CRT Using an ECG Vest",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "ECG Vest Optimization",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alan J. Bank, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2015-11",
      "completion_date": "2021-08-17",
      "has_results": false,
      "last_update_posted_date": "2021-09-23",
      "last_synced_at": "2026-10-30T20:10:09.135Z",
      "location_count": 1,
      "location_summary": "Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02699944"
    },
    {
      "nct_id": "NCT03036124",
      "title": "Study to Evaluate the Effect of Dapagliflozin on the Incidence of Worsening Heart Failure or Cardiovascular Death in Patients With Chronic Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Heart Failure With Reduced Ejection Fraction (HFrEF)"
      ],
      "interventions": [
        {
          "name": "Dapagliflozin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "18 Years to 130 Years"
      },
      "enrollment_count": 4744,
      "start_date": "2017-02-08",
      "completion_date": "2019-07-17",
      "has_results": true,
      "last_update_posted_date": "2020-09-01",
      "last_synced_at": "2026-10-30T20:10:09.135Z",
      "location_count": 86,
      "location_summary": "Fairhope, Alabama • Mobile, Alabama • Sheffield, Alabama + 74 more",
      "locations": [
        {
          "city": "Fairhope",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Sheffield",
          "state": "Alabama"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03036124"
    },
    {
      "nct_id": "NCT04493346",
      "title": "Shear Wave Elastography",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure",
        "Transplant; Failure, Heart",
        "Decompensated Heart Failure",
        "Fibrosis, Liver",
        "Cirrhosis, Liver"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Baylor Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2018-05-21",
      "completion_date": "2022-04-11",
      "has_results": false,
      "last_update_posted_date": "2023-01-26",
      "last_synced_at": "2026-10-30T20:10:09.135Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04493346"
    },
    {
      "nct_id": "NCT00132886",
      "title": "Heart Pressure Assessment Study With Tolvaptan to Treat Congestive Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure, Congestive"
      ],
      "interventions": [
        {
          "name": "tolvaptan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 140,
      "start_date": "2004-12",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2012-05-03",
      "last_synced_at": "2026-10-30T20:10:09.135Z",
      "location_count": 26,
      "location_summary": "Huntsville, Alabama • Merced, California • Sylmar, California + 21 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Merced",
          "state": "California"
        },
        {
          "city": "Sylmar",
          "state": "California"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00132886"
    },
    {
      "nct_id": "NCT03015194",
      "title": "NHLBI DIR LAMPOON Study: Intentional Laceration of the Anterior Mitral Leaflet to Prevent Left Ventricular Outflow Tract Obstruction During Transcatheter Mitral Valve Implantation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mitral Valve Failure"
      ],
      "interventions": [
        {
          "name": "Edwards SAPIEN 3 transcatheter heart valve",
          "type": "DEVICE"
        },
        {
          "name": "ASHI INTECC Astato XS 20",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2017-06-20",
      "completion_date": "2023-04-13",
      "has_results": true,
      "last_update_posted_date": "2023-08-15",
      "last_synced_at": "2026-10-30T20:10:09.135Z",
      "location_count": 6,
      "location_summary": "Washington D.C., District of Columbia • Atlanta, Georgia • Detroit, Michigan + 3 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Falls Church",
          "state": "Virginia"
        },
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03015194"
    },
    {
      "nct_id": "NCT01933789",
      "title": "Improving Communication About Serious Illness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Critical Illness",
        "Chronic Disease",
        "Terminal Care",
        "Palliative Care",
        "Communication",
        "Advance Care Planning",
        "Neoplasm Metastasis",
        "Lung Neoplasms",
        "Pulmonary Disease, Chronic Obstructive",
        "Heart Failure",
        "End Stage Liver Disease",
        "Kidney Failure, Chronic"
      ],
      "interventions": [
        {
          "name": "Communication Feedback Form for Patients with Serious Illness",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 817,
      "start_date": "2013-09",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2019-03-20",
      "last_synced_at": "2026-10-30T20:10:09.135Z",
      "location_count": 6,
      "location_summary": "Renton, Washington • Seattle, Washington",
      "locations": [
        {
          "city": "Renton",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01933789"
    },
    {
      "nct_id": "NCT03836482",
      "title": "Feasibility of the SCD in Cardiorenal Syndrome Patients Awaiting LVAD",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute on Chronic Systolic Congestive Heart Failure",
        "Cardiorenal Syndrome"
      ],
      "interventions": [
        {
          "name": "Selective Cytopheretic Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "SeaStar Medical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2025-10-02",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-03-31",
      "last_synced_at": "2026-10-30T20:10:09.135Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03836482"
    },
    {
      "nct_id": "NCT03530423",
      "title": "Sensing Ventricular Arrhythmias by His Bundle Leads",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "The Guthrie Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2020-12-01",
      "completion_date": "2021-12",
      "has_results": false,
      "last_update_posted_date": "2022-03-29",
      "last_synced_at": "2026-10-30T20:10:09.135Z",
      "location_count": 1,
      "location_summary": "Sayre, Pennsylvania",
      "locations": [
        {
          "city": "Sayre",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03530423"
    },
    {
      "nct_id": "NCT01999140",
      "title": "Implantable Cardioverter Defibrillator (ICD Registry)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure",
        "Nonischemic Cardiomyopathy",
        "Ischemic Cardiomyopathy",
        "Ventricular Arrhythmia",
        "Complications; Device, Cardiac"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "American College of Cardiology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1750,
      "start_date": "2005-06",
      "completion_date": "2030-06",
      "has_results": false,
      "last_update_posted_date": "2024-04-18",
      "last_synced_at": "2026-10-30T20:10:09.135Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01999140"
    },
    {
      "nct_id": "NCT01787682",
      "title": "Nutritional and Functional Changes in Heart Failure and COPD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Heart Failure",
        "Chronic Obstructive Pulmonary Disorder"
      ],
      "interventions": [
        {
          "name": "BOOST High Protein",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Texas A&M University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "20 Years and older"
      },
      "enrollment_count": 99,
      "start_date": "2012-12",
      "completion_date": "2017-09-17",
      "has_results": false,
      "last_update_posted_date": "2022-02-07",
      "last_synced_at": "2026-10-30T20:10:09.135Z",
      "location_count": 1,
      "location_summary": "College Station, Texas",
      "locations": [
        {
          "city": "College Station",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01787682"
    }
  ]
}