{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Left+Sided+Heart+Failure&page=12",
    "query": {
      "condition": "Left Sided Heart Failure",
      "page": 12
    },
    "page_size": 10
  },
  "pagination": {
    "page": 12,
    "page_size": 10,
    "total_count": 290,
    "total_pages": 29,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Left+Sided+Heart+Failure&page=13&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Left+Sided+Heart+Failure&page=11&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T05:11:03.827Z",
  "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": "NCT01514773",
      "title": "Patient and Physician Survey Determinants of Appropriate ICD Utilization",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure, Systolic"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Todd M Koelling, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 452,
      "start_date": "2011-08",
      "completion_date": "2013-08-30",
      "has_results": false,
      "last_update_posted_date": "2017-03-17",
      "last_synced_at": "2026-10-22T05:11:03.827Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01514773"
    },
    {
      "nct_id": "NCT07526896",
      "title": "Advancing Clinical Heart Failure Outcomes Leveraging Defibrillation Lead Implant System for Left Bundle Branch Area Pacing",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure",
        "Systolic Bundle Branch Block, Left"
      ],
      "interventions": [
        {
          "name": "LBBAP Therapy",
          "type": "DEVICE"
        },
        {
          "name": "LOT-CRT",
          "type": "DEVICE"
        },
        {
          "name": "ICD",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic Cardiac Rhythm and Heart Failure",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 110,
      "start_date": "2026-10-13",
      "completion_date": "2029-09",
      "has_results": false,
      "last_update_posted_date": "2026-10-20",
      "last_synced_at": "2026-10-22T05:11:03.827Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07526896"
    },
    {
      "nct_id": "NCT05758194",
      "title": "Mitigating Post-Op RV Dysfunction After LVAD Implantation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure",
        "Right Ventricular Dysfunction",
        "Right Ventricular Failure"
      ],
      "interventions": [
        {
          "name": "Standardized RV Management",
          "type": "OTHER"
        },
        {
          "name": "Usual Care RV Management",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Chicago",
      "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": "2023-03-22",
      "completion_date": "2025-03-28",
      "has_results": false,
      "last_update_posted_date": "2025-10-16",
      "last_synced_at": "2026-10-22T05:11:03.827Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05758194"
    },
    {
      "nct_id": "NCT06298669",
      "title": "Biventricular Versus Right Ventricular Pacing",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Biventricular Pacing",
          "type": "DEVICE"
        },
        {
          "name": "Right Ventricular Pacing",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2023-08-09",
      "completion_date": "2023-11-10",
      "has_results": true,
      "last_update_posted_date": "2024-12-10",
      "last_synced_at": "2026-10-22T05:11:03.827Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06298669"
    },
    {
      "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": "2026-10-22T05:11:03.827Z",
      "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": "NCT05768698",
      "title": "Assessment of Left Ventricular Filling Pressure by Applying Artificial Intelligence Algorithms to Left Atrial Speckle-tracking Echocardiography",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure, Diastolic",
        "Echocardiography"
      ],
      "interventions": [
        {
          "name": "Software algorithm",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Istituto Auxologico Italiano",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2021-07-20",
      "completion_date": "2024-06-11",
      "has_results": false,
      "last_update_posted_date": "2024-04-16",
      "last_synced_at": "2026-10-22T05:11:03.827Z",
      "location_count": 1,
      "location_summary": "Andover, Massachusetts",
      "locations": [
        {
          "city": "Andover",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05768698"
    },
    {
      "nct_id": "NCT01605019",
      "title": "The Use of CoSeal (Sealant Agent) in Patients During Left Ventricular Assist Device Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure",
        "Ventricular Dysfunction"
      ],
      "interventions": [
        {
          "name": "CoSeal",
          "type": "DEVICE"
        },
        {
          "name": "BioGlue® Surgical Adhesive",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The Methodist Hospital 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": 4,
      "start_date": "2012-06",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2018-08-31",
      "last_synced_at": "2026-10-22T05:11:03.827Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01605019"
    },
    {
      "nct_id": "NCT01210573",
      "title": "Prospective Observation of Exercise Parameters in Advanced Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Advanced Heart Failure"
      ],
      "interventions": [
        {
          "name": "adjustment of LVAD or pacemaker",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2010-04",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2014-12-18",
      "last_synced_at": "2026-10-22T05:11:03.827Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01210573"
    },
    {
      "nct_id": "NCT00271154",
      "title": "REsynchronization reVErses Remodeling in Systolic Left vEntricular Dysfunction (REVERSE)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Cardiac Resynchronization Therapy (CRT) Device or Implantable Cardioverter Defibrillator (ICD) with CRT",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic Cardiac Rhythm and Heart Failure",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 684,
      "start_date": "2004-09",
      "completion_date": "2011-11",
      "has_results": true,
      "last_update_posted_date": "2012-01-30",
      "last_synced_at": "2026-10-22T05:11:03.827Z",
      "location_count": 34,
      "location_summary": "Huntsville, Alabama • Anchorage, Alaska • Redwood City, California + 31 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Redwood City",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Atlantis",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00271154"
    },
    {
      "nct_id": "NCT02686749",
      "title": "Catheter Ablation vs. Medical Therapy in Congested Hearts With AF",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Congestive Heart Failure",
        "Left Ventricular Failure",
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Catheter Ablation",
          "type": "DEVICE"
        },
        {
          "name": "FDA approved anti arrhythmic drug",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2016-06",
      "completion_date": "2018-10-01",
      "has_results": true,
      "last_update_posted_date": "2025-06-05",
      "last_synced_at": "2026-10-22T05:11:03.827Z",
      "location_count": 6,
      "location_summary": "Hartford, Connecticut • Akron, Ohio • Cleveland, Ohio + 3 more",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Akron",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02686749"
    }
  ]
}