{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Dysfunction&page=6",
    "query": {
      "condition": "Heart Dysfunction",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 510,
    "total_pages": 51,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Dysfunction&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Dysfunction&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-25T02:19:23.959Z",
  "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": "NCT00586833",
      "title": "Heart Failure and a Preserved Ejection Fraction",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "O2 consumption max bike test",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 51,
      "start_date": "2007-04",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2010-10-14",
      "last_synced_at": "2026-10-25T02:19:23.959Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00586833"
    },
    {
      "nct_id": "NCT00938964",
      "title": "Lidocaine For Neuroprotection During Cardiac Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Decline"
      ],
      "interventions": [
        {
          "name": "Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 550,
      "start_date": "2009-07",
      "completion_date": "2017-05-23",
      "has_results": true,
      "last_update_posted_date": "2019-05-10",
      "last_synced_at": "2026-10-25T02:19:23.959Z",
      "location_count": 2,
      "location_summary": "Durham, North Carolina • Norfolk, Virginia",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00938964"
    },
    {
      "nct_id": "NCT05330013",
      "title": "The Effect of Inflammation in Heart Failure",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Myocardial Dysfunction",
        "Heart Failure",
        "Inflammation"
      ],
      "interventions": [
        {
          "name": "Dapagliflozin",
          "type": "DRUG"
        },
        {
          "name": "MRI scan",
          "type": "DEVICE"
        },
        {
          "name": "CMR imaging",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 0,
      "start_date": "2022-06-23",
      "completion_date": "2022-06-23",
      "has_results": false,
      "last_update_posted_date": "2022-06-27",
      "last_synced_at": "2026-10-25T02:19:23.959Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05330013"
    },
    {
      "nct_id": "NCT00112125",
      "title": "Evaluation of the Safety and Effectiveness of the OPTIMIZER System in Subjects With Heart Failure: FIX-HF-5",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure, Congestive"
      ],
      "interventions": [
        {
          "name": "OPTIMIZER System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Impulse Dynamics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 428,
      "start_date": "2005-02",
      "completion_date": "2019-03-19",
      "has_results": true,
      "last_update_posted_date": "2020-08-06",
      "last_synced_at": "2026-10-25T02:19:23.959Z",
      "location_count": 1,
      "location_summary": "Orangeburg, New York",
      "locations": [
        {
          "city": "Orangeburg",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00112125"
    },
    {
      "nct_id": "NCT00109018",
      "title": "Biomarkers for Cardiovascular Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2005-04-19",
      "completion_date": "2009-04-15",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-10-25T02:19:23.959Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00109018"
    },
    {
      "nct_id": "NCT00082589",
      "title": "The Purpose of This Study is to Determine if Eplerenone is Effective in Treatment of Mild to Moderate Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure, Congestive"
      ],
      "interventions": [
        {
          "name": "Eplerenone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer's Upjohn has merged with Mylan to form Viatris Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 250,
      "start_date": "2004-04",
      "completion_date": "2006-03",
      "has_results": false,
      "last_update_posted_date": "2020-12-22",
      "last_synced_at": "2026-10-25T02:19:23.959Z",
      "location_count": 53,
      "location_summary": "Castro Valley, California • San Diego, California • Santa Rosa, California + 42 more",
      "locations": [
        {
          "city": "Castro Valley",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Santa Rosa",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00082589"
    },
    {
      "nct_id": "NCT01719016",
      "title": "Improvement Assessment of Coronary Flow Dysfunction Using Fundamental Fluid Dynamics",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Cardiac PET, Coronary catheterization",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Cincinnati",
      "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": 68,
      "start_date": "2010-08",
      "completion_date": "2027-07-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-10-25T02:19:23.959Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01719016"
    },
    {
      "nct_id": "NCT03257436",
      "title": "Strategic Management to Improve CRT Using Multi-Site Pacing Post Approval Study (Reference # C1918)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Left Ventricular Dysfunction"
      ],
      "interventions": [
        {
          "name": "CRT-D",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 586,
      "start_date": "2018-01-05",
      "completion_date": "2020-11-19",
      "has_results": true,
      "last_update_posted_date": "2022-01-03",
      "last_synced_at": "2026-10-25T02:19:23.959Z",
      "location_count": 54,
      "location_summary": "Mobile, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 51 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Arcadia",
          "state": "California"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03257436"
    },
    {
      "nct_id": "NCT05372159",
      "title": "Vanderbilt Memory and Aging Project",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer Disease",
        "Aging",
        "Aged, 80 and Over",
        "Biomarkers",
        "Brain",
        "Case-Control Studies",
        "Cognitive Dysfunction",
        "Neuropsychological Tests"
      ],
      "interventions": [
        {
          "name": "none, observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2012-09-17",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-14",
      "last_synced_at": "2026-10-25T02:19:23.959Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05372159"
    },
    {
      "nct_id": "NCT00273819",
      "title": "Study of Coronary Artery Disease by Two Types of Angiography",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congestive Heart Failure"
      ],
      "interventions": [
        {
          "name": "CT angiography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "VA Connecticut Healthcare System",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2005-10",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2009-01-27",
      "last_synced_at": "2026-10-25T02:19:23.959Z",
      "location_count": 1,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00273819"
    }
  ]
}