{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Failure%2C+Left-sided",
    "query": {
      "condition": "Heart Failure, Left-sided"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 288,
    "total_pages": 29,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Failure%2C+Left-sided&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T23:05:25.686Z",
  "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": "NCT01836809",
      "title": "Nesiritide and Renal Function After the Total Artificial Heart",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Congestive Heart Failure",
        "Cardiorenal Syndrome"
      ],
      "interventions": [
        {
          "name": "nesiritide",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2013-04",
      "completion_date": "2014-05",
      "has_results": true,
      "last_update_posted_date": "2016-02-08",
      "last_synced_at": "2026-07-23T23:05:25.686Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01836809"
    },
    {
      "nct_id": "NCT00249067",
      "title": "Retrospective Evaluation of Carvedilol Versus Captopril in CHF Patients",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure",
        "Heart Murmurs"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Children's Healthcare of Atlanta",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 50,
      "start_date": "2005-10",
      "completion_date": "2005-10",
      "has_results": false,
      "last_update_posted_date": "2007-06-13",
      "last_synced_at": "2026-07-23T23:05:25.686Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00249067"
    },
    {
      "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": "2026-07-23T23:05:25.686Z",
      "location_count": 1,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00273819"
    },
    {
      "nct_id": "NCT02290028",
      "title": "Sentus QP - Extended CRT Evaluation With Quadripolar Left Ventricular Leads",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Sentus QP left ventricular lead",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Biotronik SE & Co. KG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2226,
      "start_date": "2014-12-16",
      "completion_date": "2020-01-23",
      "has_results": true,
      "last_update_posted_date": "2021-03-24",
      "last_synced_at": "2026-07-23T23:05:25.686Z",
      "location_count": 75,
      "location_summary": "Fairhope, Alabama • Anchorage, Alaska • Chula Vista, California + 64 more",
      "locations": [
        {
          "city": "Fairhope",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Inglewood",
          "state": "California"
        },
        {
          "city": "Rancho Mirage",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02290028"
    },
    {
      "nct_id": "NCT00571233",
      "title": "Biomarker Study for Heart Failure in Children With Single Ventricle Physiology",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Tricuspid Atresia",
        "Hypoplastic Left Heart Syndrome",
        "Unbalanced AV Canal"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "1 Month to 6 Years"
      },
      "enrollment_count": 71,
      "start_date": "2007-02",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2015-05-14",
      "last_synced_at": "2026-07-23T23:05:25.686Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00571233"
    },
    {
      "nct_id": "NCT00930904",
      "title": "Model 4196 Left Ventricular (LV) Lead 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": 1847,
      "start_date": "2009-06",
      "completion_date": "2017-04",
      "has_results": false,
      "last_update_posted_date": "2017-12-27",
      "last_synced_at": "2026-07-23T23:05:25.686Z",
      "location_count": 91,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Gilbert, Arizona + 88 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00930904"
    },
    {
      "nct_id": "NCT04933890",
      "title": "Detection of Heart Conditions Using Artificial Intelligence",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Left Ventricular Dysfunction",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Use of Eko DUO electronic stethoscope",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Eko Devices, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 68,
      "start_date": "2021-06-01",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-12-09",
      "last_synced_at": "2026-07-23T23:05:25.686Z",
      "location_count": 1,
      "location_summary": "New Hyde Park, New York",
      "locations": [
        {
          "city": "New Hyde Park",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04933890"
    },
    {
      "nct_id": "NCT02836652",
      "title": "Prevention of Non-Surgical Bleeding by Management of HeartMate II Patients Without Antiplatelet Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "HeartMate II (HMII)",
          "type": "DEVICE"
        },
        {
          "name": "Warfarin",
          "type": "DRUG"
        },
        {
          "name": "acetylsalicylic acid (ASA) therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2016-11",
      "completion_date": "2019-07-18",
      "has_results": true,
      "last_update_posted_date": "2022-06-27",
      "last_synced_at": "2026-07-23T23:05:25.686Z",
      "location_count": 33,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Diego, California + 29 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02836652"
    },
    {
      "nct_id": "NCT06108076",
      "title": "Acute and Chronic Effects of Oral Ketones in Subjects With HFrEF and Diabetes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Type 2 Diabetes",
        "Heart Failure, Reduced Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "Ketone Monoester (KE)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 10,
      "start_date": "2024-01-16",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-21",
      "last_synced_at": "2026-07-23T23:05:25.686Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06108076"
    },
    {
      "nct_id": "NCT00869921",
      "title": "Model 4195 Left Ventricular (LV) Lead 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": 1322,
      "start_date": "2009-03",
      "completion_date": "2018-04-03",
      "has_results": false,
      "last_update_posted_date": "2018-09-13",
      "last_synced_at": "2026-07-23T23:05:25.686Z",
      "location_count": 62,
      "location_summary": "Anchorage, Alaska • Phoenix, Arizona • Scottsdale, Arizona + 59 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Redding",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00869921"
    }
  ]
}