{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Ventricles&page=2",
    "query": {
      "condition": "Heart Ventricles",
      "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+Ventricles&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T21:22:28.698Z",
  "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": "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": "2026-06-26T21:22:28.698Z",
      "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": "NCT04219501",
      "title": "Ventricular Arrhythmia Ablation With the Use of Non-Invasive ECG Imaging Technology",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Premature Ventricular Contraction",
        "Ventricular Tachycardia"
      ],
      "interventions": [
        {
          "name": "VIVO",
          "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": "2021-02-01",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-03-08",
      "last_synced_at": "2026-06-26T21:22:28.698Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04219501"
    },
    {
      "nct_id": "NCT04520347",
      "title": "IVTCC 2.0: A Prospective Multicenter Ventricular Tachycardia Catheter Ablation Registry",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ventricular Arrhythmia",
        "Ventricular Tachycardia",
        "Premature Ventricular Contraction (PVC)",
        "Cardiomyopathy"
      ],
      "interventions": [],
      "intervention_types": [],
      "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": 10000,
      "start_date": "2018-12-01",
      "completion_date": "2027-11",
      "has_results": false,
      "last_update_posted_date": "2025-12-15",
      "last_synced_at": "2026-06-26T21:22:28.698Z",
      "location_count": 34,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Sacramento, California + 25 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04520347"
    },
    {
      "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": "2026-06-26T21:22:28.698Z",
      "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": "NCT00208806",
      "title": "Resynchronization Therapy in Young Patients With and Without CHD",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Dilated Cardiomyopathy",
        "Pediatric"
      ],
      "interventions": [
        {
          "name": "congestive heart failure patients",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "1 Day to 18 Years"
      },
      "enrollment_count": 50,
      "start_date": "2004-06",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2013-12-10",
      "last_synced_at": "2026-06-26T21:22:28.698Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00208806"
    },
    {
      "nct_id": "NCT01275339",
      "title": "Aortic Stenosis and PhosphodiEsterase Type 5 iNhibition (ASPEN): A Pilot Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Aortic Stenosis",
        "LV Remodeling, Hypertrophy"
      ],
      "interventions": [
        {
          "name": "Tadalafil",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": "2012-12",
      "completion_date": "2017-04-14",
      "has_results": true,
      "last_update_posted_date": "2019-04-17",
      "last_synced_at": "2026-06-26T21:22:28.698Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01275339"
    },
    {
      "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": "2026-06-26T21:22:28.698Z",
      "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"
    },
    {
      "nct_id": "NCT00052026",
      "title": "Safety and Efficacy Study of Carvedilol to Treat Children With Congestive Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Congestive Heart Failure"
      ],
      "interventions": [
        {
          "name": "carvedilol",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shaddy, Robert, M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "1 Day to 17 Years"
      },
      "enrollment_count": 161,
      "start_date": "2000-05",
      "completion_date": "2006-07",
      "has_results": false,
      "last_update_posted_date": "2008-12-25",
      "last_synced_at": "2026-06-26T21:22:28.698Z",
      "location_count": 21,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 16 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00052026"
    },
    {
      "nct_id": "NCT07654426",
      "title": "The CARDIOPROTECT Trial",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diffuse Large B-cell Lymphoma (DLBCL)",
        "Cardiotoxicity",
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "Dexrazoxane",
          "type": "DRUG"
        },
        {
          "name": "Dexrazoxane placebo",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Liposomal Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Vincristine",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Polatuzumab Vedotin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2026-10-02",
      "completion_date": "2035-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-06-26T21:22:28.698Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07654426"
    },
    {
      "nct_id": "NCT01971593",
      "title": "The Effects of Eplerenone on Markers of Myocardial Fibrosis in Adult Congenital Heart Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Tetralogy of Fallot",
        "Transposition of the Great Vessels With an Arterial Switch",
        "Single Ventricle With a Fontan Palliation"
      ],
      "interventions": [
        {
          "name": "Eplerenone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": 26,
      "start_date": "2013-08",
      "completion_date": "2016-06",
      "has_results": true,
      "last_update_posted_date": "2018-05-04",
      "last_synced_at": "2026-06-26T21:22:28.698Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01971593"
    }
  ]
}