{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cardiac+Surgery",
    "query": {
      "condition": "Cardiac Surgery"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 954,
    "total_pages": 96,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cardiac+Surgery&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T04:10:17.529Z",
  "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": "NCT00423553",
      "title": "Collection of Heart Tissue Sample During Open Heart Surgery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ischemia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 0,
      "start_date": "2007-01-11",
      "completion_date": "2007-12-10",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-05-22T04:10:17.529Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00423553"
    },
    {
      "nct_id": "NCT01987531",
      "title": "Temporary Biventricular Pacing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Right Ventricular (RV) Dysfunction"
      ],
      "interventions": [
        {
          "name": "left ventricular epicardial pacing lead",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "84 Years",
        "sex": "ALL",
        "summary": "18 Years to 84 Years"
      },
      "enrollment_count": 2,
      "start_date": "2013-11",
      "completion_date": "2015-02",
      "has_results": false,
      "last_update_posted_date": "2017-11-14",
      "last_synced_at": "2026-05-22T04:10:17.529Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01987531"
    },
    {
      "nct_id": "NCT01653769",
      "title": "CoSeal for Hemostasis of Aortic Anastamoses",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Surgical Bleeding",
        "Aneurysms",
        "Aortic Dissection"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Michael Reardon, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 150,
      "start_date": "2012-06",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2018-01-18",
      "last_synced_at": "2026-05-22T04:10:17.529Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01653769"
    },
    {
      "nct_id": "NCT04501861",
      "title": "Hemodynamic Effect of Norepinephrine Versus Vasopressin on the Pulmonary Circulation in Cardiac Surgery Patients:",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cardiac Disease"
      ],
      "interventions": [
        {
          "name": "Vasopressin",
          "type": "DRUG"
        },
        {
          "name": "Norepinephrine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 153,
      "start_date": "2020-11-05",
      "completion_date": "2024-12-31",
      "has_results": true,
      "last_update_posted_date": "2025-03-24",
      "last_synced_at": "2026-05-22T04:10:17.529Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04501861"
    },
    {
      "nct_id": "NCT00779857",
      "title": "AtriCure Exclusion of the LAA in Patients Undergoing Concomitant Cardiac Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Left Atrial Appendage Exclusion"
      ],
      "interventions": [
        {
          "name": "AtriCure LAA Exclusion System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "AtriCure, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2008-09",
      "completion_date": "2011-10",
      "has_results": true,
      "last_update_posted_date": "2013-06-04",
      "last_synced_at": "2026-05-22T04:10:17.529Z",
      "location_count": 7,
      "location_summary": "Macon, Georgia • Indianapolis, Indiana • Grand Rapids, Michigan + 4 more",
      "locations": [
        {
          "city": "Macon",
          "state": "Georgia"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Grand Rapids",
          "state": "Michigan"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00779857"
    },
    {
      "nct_id": "NCT03870373",
      "title": "Performance of Pulse Oximeter Sensors in Neonates",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiac Surgery"
      ],
      "interventions": [
        {
          "name": "Pulse Oximeter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Taiwan Aulisa Medical Devices Technologies, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Days",
        "maximum_age": "1 Year",
        "sex": "ALL",
        "summary": "0 Days to 1 Year"
      },
      "enrollment_count": 15,
      "start_date": "2019-02-01",
      "completion_date": "2019-05-10",
      "has_results": false,
      "last_update_posted_date": "2021-04-01",
      "last_synced_at": "2026-05-22T04:10:17.529Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03870373"
    },
    {
      "nct_id": "NCT01681095",
      "title": "Custodiol-HTK (Histidine-tryptophan-ketoglutarate) Solution as a Cardioplegic Agent",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Coronary Artery Disease",
        "Myocardial Ischemia",
        "Coronary Disease",
        "Heart Diseases",
        "Valvular Heart Disease"
      ],
      "interventions": [
        {
          "name": "Custodiol HTK",
          "type": "DRUG"
        },
        {
          "name": "Cold Blood Cardioplegia",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Marc Sakwa, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 110,
      "start_date": "2012-08",
      "completion_date": "2016-04",
      "has_results": true,
      "last_update_posted_date": "2019-08-06",
      "last_synced_at": "2026-05-22T04:10:17.529Z",
      "location_count": 1,
      "location_summary": "Royal Oak, Michigan",
      "locations": [
        {
          "city": "Royal Oak",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01681095"
    },
    {
      "nct_id": "NCT00932633",
      "title": "Magnetic Resonance Imaging (MRI) to Evaluate Brain Injury in Congenital Heart Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neonatal Congenital Heart Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "30 Days",
        "sex": "ALL",
        "summary": "Up to 30 Days"
      },
      "enrollment_count": 92,
      "start_date": "2009-08",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2016-02-10",
      "last_synced_at": "2026-05-22T04:10:17.529Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00932633"
    },
    {
      "nct_id": "NCT00843089",
      "title": "Secondary Prevention After Coronary Bypass Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Education",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Jeffrey Kramer, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 115,
      "start_date": "2009-01",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2014-07-01",
      "last_synced_at": "2026-05-22T04:10:17.529Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00843089"
    },
    {
      "nct_id": "NCT00374088",
      "title": "N-Acetylcysteine in Neonatal Congenital Heart Surgery (INACT Study)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Transposition of Great Vessels",
        "Congenital Heart Disease"
      ],
      "interventions": [
        {
          "name": "N-acetylcysteine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "3 Months",
        "sex": "ALL",
        "summary": "Up to 3 Months"
      },
      "enrollment_count": 21,
      "start_date": "2005-02",
      "completion_date": "2008-06",
      "has_results": true,
      "last_update_posted_date": "2012-01-19",
      "last_synced_at": "2026-05-22T04:10:17.529Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00374088"
    }
  ]
}