{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Atrial+Septal+Defects",
    "query": {
      "condition": "Atrial Septal Defects"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 50,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Atrial+Septal+Defects&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-28T10:15:16.255Z",
  "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": "NCT03232450",
      "title": "Patent Foramen Ovale (PFO) Closure at the Time of Endovascular Cardiac Electronic Device Implantation",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Foramen Ovale, Patent"
      ],
      "interventions": [
        {
          "name": "Aspirin",
          "type": "DRUG"
        },
        {
          "name": "Cardiovascular Implantable Device (CIED)",
          "type": "DEVICE"
        },
        {
          "name": "Gore Cardioform Septal Occluder",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 0,
      "start_date": "2019-08",
      "completion_date": "2023-12",
      "has_results": false,
      "last_update_posted_date": "2020-03-13",
      "last_synced_at": "2026-06-28T10:15:16.255Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03232450"
    },
    {
      "nct_id": "NCT03373929",
      "title": "Stitch Closure of PFO and Septal Repair",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Foramen Ovale, Patent",
        "Septal Defect, Atrial",
        "Septal Defect, Heart"
      ],
      "interventions": [
        {
          "name": "PFO Closure Rate",
          "type": "DEVICE"
        },
        {
          "name": "Published PFO Device Closure",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "HeartStitch.Com",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 250,
      "start_date": "2017-11-20",
      "completion_date": "2022-11-20",
      "has_results": false,
      "last_update_posted_date": "2017-12-14",
      "last_synced_at": "2026-06-28T10:15:16.255Z",
      "location_count": 1,
      "location_summary": "Falls Church, Virginia",
      "locations": [
        {
          "city": "Falls Church",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03373929"
    },
    {
      "nct_id": "NCT03821129",
      "title": "GORE® CARDIOFORM Septal Occluder and Antiplatelet Medical Management for Reduction of Recurrent Stroke in Patients With Patent Foramen Ovale (PFO): the REDUCE Post Approval Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke",
        "PFO - Patent Foramen Ovale"
      ],
      "interventions": [
        {
          "name": "PFO closure with GORE® CARDIOFORM Septal Occluder",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "W.L.Gore & Associates",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 636,
      "start_date": "2019-07-25",
      "completion_date": "2031-10",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-06-28T10:15:16.255Z",
      "location_count": 45,
      "location_summary": "Tucson, Arizona • La Jolla, California • Loma Linda, California + 39 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Santa Barbara",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03821129"
    },
    {
      "nct_id": "NCT00201461",
      "title": "Evaluation of the STARFlex® Septal Closure System in Patients With a Stroke or TIA Due to the Possible Passage of a Clot of Unknown Origin Through a Patent Foramen Ovale (PFO)",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Patent Foramen Ovale",
        "Stroke",
        "Ischemic Attack, Transient"
      ],
      "interventions": [
        {
          "name": "STARFlex septal closure system",
          "type": "DEVICE"
        },
        {
          "name": "Best medical therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "NMT Medical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 900,
      "start_date": "2003-06",
      "completion_date": "2010-04",
      "has_results": false,
      "last_update_posted_date": "2008-12-30",
      "last_synced_at": "2026-06-28T10:15:16.255Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00201461"
    },
    {
      "nct_id": "NCT01120964",
      "title": "Intravenous L-Citrulline to Treat Children Undergoing Heart Bypass Surgery : Revised Protocol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Atrial Septal Defect",
        "Ventricular Septal Defect",
        "Atrioventricular Septal Defect"
      ],
      "interventions": [
        {
          "name": "Intravenous L-Citrulline",
          "type": "DRUG"
        },
        {
          "name": "Placebo of Intravenous L-Citrulline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Asklepion Pharmaceuticals, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "Up to 6 Years"
      },
      "enrollment_count": 22,
      "start_date": "2010-09",
      "completion_date": "2012-04",
      "has_results": true,
      "last_update_posted_date": "2022-07-27",
      "last_synced_at": "2026-06-28T10:15:16.255Z",
      "location_count": 2,
      "location_summary": "St Louis, Missouri • Cincinnati, Ohio",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01120964"
    },
    {
      "nct_id": "NCT00581308",
      "title": "Long-term Safety Study of the GORE® HELEX® Septal Occluder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Septal Defect, Atrial"
      ],
      "interventions": [
        {
          "name": "GORE® HELEX® Septal Occluder",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "W.L.Gore & Associates",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 215,
      "start_date": "2006-08",
      "completion_date": "2014-10",
      "has_results": true,
      "last_update_posted_date": "2018-02-19",
      "last_synced_at": "2026-06-28T10:15:16.255Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00581308"
    },
    {
      "nct_id": "NCT03309332",
      "title": "AMPLATZER PFO Occluder Post Approval Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke",
        "Patent Foramen Ovale"
      ],
      "interventions": [
        {
          "name": "AMPLATZER™ PFO Occluder",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 1214,
      "start_date": "2018-01-31",
      "completion_date": "2030-02-05",
      "has_results": false,
      "last_update_posted_date": "2026-03-11",
      "last_synced_at": "2026-06-28T10:15:16.255Z",
      "location_count": 78,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Chandler, Arizona + 63 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03309332"
    },
    {
      "nct_id": "NCT01773252",
      "title": "Right to Left Cardiac Shunt Detection",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Right to Left Shunt",
        "Patent Foramen Ovale",
        "Atrial Septal Defect"
      ],
      "interventions": [
        {
          "name": "Flow Detection System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Cardiox Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 141,
      "start_date": "2012-11",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2015-11-13",
      "last_synced_at": "2026-06-28T10:15:16.255Z",
      "location_count": 8,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Aurora, Colorado + 5 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01773252"
    },
    {
      "nct_id": "NCT07519876",
      "title": "Pulmonary Embolism and Right-to-Left Shunts",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Embolism (PE)",
        "Right-to-Left Shunt",
        "Stroke",
        "Atrial Septal Defects",
        "Patent Foramen Ovale (PFO)",
        "Pulmonary Arteriovenous Malformation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Tufts 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": 256,
      "start_date": "2026-01-30",
      "completion_date": "2028-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-09",
      "last_synced_at": "2026-06-28T10:15:16.255Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07519876"
    },
    {
      "nct_id": "NCT07009678",
      "title": "Comparison of Lower vs Upper Extremity Injection Agitated Saline to Identify Patent Foramen Ovale With Echocardiography",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Patent Foramen Ovale",
        "Cryptogenic Stroke",
        "Embolic Infarction"
      ],
      "interventions": [
        {
          "name": "intravenous access in greater saphenous vein compared to upper extremity site.",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "St. John'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": 21,
      "start_date": "2023-03-01",
      "completion_date": "2025-05-12",
      "has_results": false,
      "last_update_posted_date": "2025-06-06",
      "last_synced_at": "2026-06-28T10:15:16.255Z",
      "location_count": 1,
      "location_summary": "Maple Grove, Minnesota",
      "locations": [
        {
          "city": "Maple Grove",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07009678"
    }
  ]
}