{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Left+Heart+Disease&page=2",
    "query": {
      "condition": "Left Heart Disease",
      "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=Left+Heart+Disease&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T13:12:56.675Z",
  "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": "NCT02119442",
      "title": "Transcatheter Valve Implantation in Patients With Dysfunctional Left and Right Sided Heart Valves",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Eisenmenger Syndrome"
      ],
      "interventions": [
        {
          "name": "Transcather Valve Implantation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 90,
      "start_date": "2013-08",
      "completion_date": "2018-02",
      "has_results": true,
      "last_update_posted_date": "2019-04-30",
      "last_synced_at": "2026-07-24T13:12:56.675Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02119442"
    },
    {
      "nct_id": "NCT03099655",
      "title": "Attain Stability™ Quad Clinical Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Attain Stability Quad Left Ventricular Pacing Lead",
          "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": 471,
      "start_date": "2017-07-07",
      "completion_date": "2019-05-31",
      "has_results": true,
      "last_update_posted_date": "2020-01-09",
      "last_synced_at": "2026-07-24T13:12:56.675Z",
      "location_count": 35,
      "location_summary": "Phoenix, Arizona • East Palo Alto, California • Torrance, California + 30 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "East Palo Alto",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03099655"
    },
    {
      "nct_id": "NCT01630213",
      "title": "Impact of Vitamin D Supplementation on Cardiac Structure and Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Disease"
      ],
      "interventions": [
        {
          "name": "Vitamin D3 + fish oil/fish oil placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Vitamin D3 placebo + fish oil/fish oil placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 1025,
      "start_date": "2010-07-01",
      "completion_date": "2021-06-30",
      "has_results": false,
      "last_update_posted_date": "2022-04-06",
      "last_synced_at": "2026-07-24T13:12:56.675Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01630213"
    },
    {
      "nct_id": "NCT04808596",
      "title": "Pulmonary Hypertension Biorepository and Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Hypertension",
        "Pulmonary Arterial Hypertension",
        "Pulmonary Hypertension Due to Left Heart Disease",
        "Pulmonary Hypertension, Primary",
        "Pulmonary Hypertension Due to Lung Diseases and Hypoxia",
        "Pulmonary Hypertension, Primary, 4",
        "Pulmonary Hypertension, Primary, 2",
        "Pulmonary Hypertension, Primary, 3",
        "Chronic Thromboembolic Pulmonary Hypertension"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2020-08-10",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-08-01",
      "last_synced_at": "2026-07-24T13:12:56.675Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04808596"
    },
    {
      "nct_id": "NCT06770062",
      "title": "Multimodality Evaluation of Left Ventricular Remodeling In Mitral Regurgitation: A Pilot Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Left Ventricular Systolic Dysfunction"
      ],
      "interventions": [
        {
          "name": "Cardiac MRI",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2025-01-20",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-03",
      "last_synced_at": "2026-07-24T13:12:56.675Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06770062"
    },
    {
      "nct_id": "NCT00576186",
      "title": "Validation of the Gated Blood Pool SPECT: ERNA vs 3D Echo",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congestive Heart Failure",
        "Ventricular Function, Left"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2005-02",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2016-06-23",
      "last_synced_at": "2026-07-24T13:12:56.675Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00576186"
    },
    {
      "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": "2026-07-24T13:12:56.675Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01210573"
    },
    {
      "nct_id": "NCT01961323",
      "title": "Effect of Nebivolol on the Blood Flow in Hearts of Adults With High Blood Pressure and Abnormal Filling of Heart",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension",
        "Left Ventricular Diastolic Dysfunction"
      ],
      "interventions": [
        {
          "name": "Nebivolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "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": 70,
      "start_date": "2012-03",
      "completion_date": "2016-03",
      "has_results": true,
      "last_update_posted_date": "2017-11-24",
      "last_synced_at": "2026-07-24T13:12:56.675Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01961323"
    },
    {
      "nct_id": "NCT05386173",
      "title": "Effect of Fetal Aortic Valvuloplasty on Outcomes",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Heart Disease",
        "Aortic Valve Stenosis",
        "Fetal Cardiac Disorder",
        "Hypoplastic Left Heart Syndrome"
      ],
      "interventions": [
        {
          "name": "Fetal aortic balloon dilatation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Queen Silvia Children's Hospital, Gothenburg, Sweden",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "23 Weeks",
        "maximum_age": "31 Weeks",
        "sex": "ALL",
        "summary": "23 Weeks to 31 Weeks"
      },
      "enrollment_count": 200,
      "start_date": "2021-01-01",
      "completion_date": "2029-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-03-21",
      "last_synced_at": "2026-07-24T13:12:56.675Z",
      "location_count": 2,
      "location_summary": "San Francisco, California • Columbus, Ohio",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05386173"
    },
    {
      "nct_id": "NCT07206602",
      "title": "AI-Guided Left Bundle Branch Area Pacing",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "AI-assisted Left Bundle Branch Area Pacing",
          "type": "DEVICE"
        },
        {
          "name": "Left Bundle Branch Area Pacing",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "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": 224,
      "start_date": "2026-01-23",
      "completion_date": "2027-11",
      "has_results": false,
      "last_update_posted_date": "2026-02-18",
      "last_synced_at": "2026-07-24T13:12:56.675Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07206602"
    }
  ]
}