{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Congenital+Heart+Defect&page=2",
    "query": {
      "condition": "Congenital Heart Defect",
      "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=Congenital+Heart+Defect&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T07:50:43.474Z",
  "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": "NCT01068366",
      "title": "Nickel Allergy With Septal Closure Devices",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Septal Defect",
        "Patent Foramen Ovale",
        "Allergic Reaction to Nickel"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2010-02",
      "completion_date": "2010-11",
      "has_results": false,
      "last_update_posted_date": "2013-05-15",
      "last_synced_at": "2026-05-22T07:50:43.474Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01068366"
    },
    {
      "nct_id": "NCT01656993",
      "title": "Antiplatelet Activity of Aspirin in Infants After Aortopulmonary and Cavopulmonary Shunts",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Heart Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Days",
        "maximum_age": "12 Months",
        "sex": "ALL",
        "summary": "2 Days to 12 Months"
      },
      "enrollment_count": 25,
      "start_date": "2012-11",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2017-05-05",
      "last_synced_at": "2026-05-22T07:50:43.474Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01656993"
    },
    {
      "nct_id": "NCT04956952",
      "title": "Enhanced External Counterpulsation in Patients With Fontan Circulation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Single-ventricle",
        "Congenital Heart Disease"
      ],
      "interventions": [
        {
          "name": "EECP",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2022-03-31",
      "completion_date": "2023-05-17",
      "has_results": false,
      "last_update_posted_date": "2023-06-13",
      "last_synced_at": "2026-05-22T07:50:43.474Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04956952"
    },
    {
      "nct_id": "NCT04056104",
      "title": "Improving Critical Congenital Heart Disease Screening With Addition of Perfusion Measurements",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congenital Heart Disease"
      ],
      "interventions": [
        {
          "name": "SpO2 and PIx Measurement",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Days",
        "sex": "ALL",
        "summary": "Up to 21 Days"
      },
      "enrollment_count": 543,
      "start_date": "2019-10-23",
      "completion_date": "2021-12-12",
      "has_results": false,
      "last_update_posted_date": "2022-02-03",
      "last_synced_at": "2026-05-22T07:50:43.474Z",
      "location_count": 6,
      "location_summary": "Los Angeles, California • Sacramento, California • San Francisco, California + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "New Hyde Park",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04056104"
    },
    {
      "nct_id": "NCT01126372",
      "title": "Prediction of Feeding Problems in Prostaglandin-dependent Prematurely Born Infants With Congenital Heart Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Heart Disease",
        "Prematurity",
        "Necrotizing Enterocolitis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "1 Month",
        "sex": "ALL",
        "summary": "Up to 1 Month"
      },
      "enrollment_count": 6,
      "start_date": "2010-05",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2013-08-13",
      "last_synced_at": "2026-05-22T07:50:43.474Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01126372"
    },
    {
      "nct_id": "NCT00451698",
      "title": "Erythropoietin and Pediatric Cardiac Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congenital Heart Defect"
      ],
      "interventions": [
        {
          "name": "acyanotic erythropoietin",
          "type": "DRUG"
        },
        {
          "name": "acyanotic placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Weeks",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "6 Weeks to 18 Years"
      },
      "enrollment_count": 9,
      "start_date": "2007-10",
      "completion_date": "2011-12",
      "has_results": true,
      "last_update_posted_date": "2018-11-08",
      "last_synced_at": "2026-05-22T07:50:43.474Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00451698"
    },
    {
      "nct_id": "NCT00989911",
      "title": "Endothelin Blockade in Patients With Single Ventricle Physiology",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congenital Heart Disease"
      ],
      "interventions": [
        {
          "name": "Bosentan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2010-05",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2015-02-27",
      "last_synced_at": "2026-05-22T07:50:43.474Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00989911"
    },
    {
      "nct_id": "NCT05129631",
      "title": "HEARTPrep: A Virtually-delivered Psychosocial Intervention for Mothers Expecting a Baby With Congenital Heart Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congenital Heart Disease"
      ],
      "interventions": [
        {
          "name": "HEARTPrep",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Nemours Children's Clinic",
      "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": "2023-07-14",
      "completion_date": "2025-05-31",
      "has_results": false,
      "last_update_posted_date": "2025-07-03",
      "last_synced_at": "2026-05-22T07:50:43.474Z",
      "location_count": 1,
      "location_summary": "Wilmington, Delaware",
      "locations": [
        {
          "city": "Wilmington",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05129631"
    },
    {
      "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": "2026-05-22T07:50:43.474Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00208806"
    },
    {
      "nct_id": "NCT00497705",
      "title": "Genes Causing Ebstein's Anomaly",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Septal Defects, Ventricle",
        "Heart Defects, Congenital",
        "Double Outlet Right Ventricle",
        "Truncus Arteriosus, Persistent"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": null,
      "start_date": "2007-07-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-05-22T07:50:43.474Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00497705"
    }
  ]
}