{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Failure%2C+Left-Sided&page=2",
    "query": {
      "condition": "Heart Failure, Left-Sided",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Failure%2C+Left-Sided&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T07:49:29.695Z",
  "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": "NCT00158951",
      "title": "Device Evaluation of Contak Renewal 2and Easytrak 2 - DECREASE-HF",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Congestive Heart Failure"
      ],
      "interventions": [
        {
          "name": "CONTAK RENEWAL 2/4/4HE CRT-D",
          "type": "DEVICE"
        },
        {
          "name": "EASYTRAK 2 Lead",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 360,
      "start_date": "2003-03",
      "completion_date": "2004-10",
      "has_results": false,
      "last_update_posted_date": "2007-06-25",
      "last_synced_at": "2026-05-22T07:49:29.695Z",
      "location_count": 1,
      "location_summary": "Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00158951"
    },
    {
      "nct_id": "NCT01452802",
      "title": "Risk Assessment and Comparative Effectiveness of Left Ventricular Assist Device (LVAD) and Medical Management",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "HM II (HeartMate II LVAD)",
          "type": "DEVICE"
        },
        {
          "name": "OMM (Optimal Medical Management)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 200,
      "start_date": "2011-10",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2022-06-24",
      "last_synced_at": "2026-05-22T07:49:29.695Z",
      "location_count": 52,
      "location_summary": "Little Rock, Arkansas • Beverly Hills, California • Los Angeles, California + 41 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01452802"
    },
    {
      "nct_id": "NCT02294331",
      "title": "Attain Performa™ Left Ventricular (LV) Quadripolar Leads Chronic Performance Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Medtronic",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1900,
      "start_date": "2014-08",
      "completion_date": "2021-07-31",
      "has_results": false,
      "last_update_posted_date": "2022-02-01",
      "last_synced_at": "2026-05-22T07:49:29.695Z",
      "location_count": 81,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Chandler, Arizona + 78 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02294331"
    },
    {
      "nct_id": "NCT03132441",
      "title": "Cardiac Rehab for Advanced Heart Failure-LVAD Candidates",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Strength Training for Frailty",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 0,
      "start_date": "2017-04",
      "completion_date": "2018-02",
      "has_results": false,
      "last_update_posted_date": "2018-06-26",
      "last_synced_at": "2026-05-22T07:49:29.695Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03132441"
    },
    {
      "nct_id": "NCT01520714",
      "title": "Effect of Posture on Left Ventricular (LV) Transvenous Lead Capture Thresholds (EXPECT)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congestive Heart Failure"
      ],
      "interventions": [
        {
          "name": "Medtronic 4195 active fixation LV lead and Medtronic passive fixation LV lead",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 11,
      "start_date": "2009-12",
      "completion_date": "2011-12",
      "has_results": true,
      "last_update_posted_date": "2014-05-26",
      "last_synced_at": "2026-05-22T07:49:29.695Z",
      "location_count": 1,
      "location_summary": "Plano, Texas",
      "locations": [
        {
          "city": "Plano",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01520714"
    },
    {
      "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": "2026-05-22T07:49:29.695Z",
      "location_count": 1,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00273819"
    },
    {
      "nct_id": "NCT00812201",
      "title": "Evaluation of Left Ventricular AutoThreshold",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "No intervention is used. Collection of signals only.",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2008-12",
      "completion_date": "2009-10",
      "has_results": false,
      "last_update_posted_date": "2022-06-28",
      "last_synced_at": "2026-05-22T07:49:29.695Z",
      "location_count": 2,
      "location_summary": "Richmond, Virginia • Morgantown, West Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        },
        {
          "city": "Morgantown",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00812201"
    },
    {
      "nct_id": "NCT00490321",
      "title": "VentrAssistTM LVAD for the Treatment of Advanced Heart Failure - Destination Therapy",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "End-stage Heart Failure",
        "Cardiomyopathies"
      ],
      "interventions": [
        {
          "name": "VentrAssistTM Left Ventricular Assist Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ventracor",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 225,
      "start_date": "2007-06",
      "completion_date": "2012-06",
      "has_results": false,
      "last_update_posted_date": "2009-09-09",
      "last_synced_at": "2026-05-22T07:49:29.695Z",
      "location_count": 27,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Gainesville, Florida + 22 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00490321"
    },
    {
      "nct_id": "NCT05408104",
      "title": "Postoperative Tolvaptan Use in Left Ventricular Assist Device Implantation Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure",
        "Heart Assist Device",
        "Hyponatremic"
      ],
      "interventions": [
        {
          "name": "tolvaptan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 28,
      "start_date": "2019-03-28",
      "completion_date": "2022-05-01",
      "has_results": false,
      "last_update_posted_date": "2022-06-07",
      "last_synced_at": "2026-05-22T07:49:29.695Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05408104"
    },
    {
      "nct_id": "NCT03785405",
      "title": "Open-label Extension Study to Evaluate Long-term Safety of Sacubitril/Valsartan in Pediatric Patients With HF",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "sacubitril/valsartan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "1 Year to 18 Years"
      },
      "enrollment_count": 216,
      "start_date": "2019-05-02",
      "completion_date": "2023-12-29",
      "has_results": true,
      "last_update_posted_date": "2025-05-16",
      "last_synced_at": "2026-05-22T07:49:29.695Z",
      "location_count": 15,
      "location_summary": "Loma Linda, California • Los Angeles, California • Palo Alto, California + 12 more",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03785405"
    }
  ]
}