{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Atenativ",
    "query": {
      "intervention": "Atenativ"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 23,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Atenativ&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-08T19:16:20.329Z",
  "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": "NCT00842621",
      "title": "Long Term Effects of Erythrocyte Lysis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Disease",
        "Hemolytic Anemia"
      ],
      "interventions": [
        {
          "name": "Clinical Evaluations",
          "type": "PROCEDURE"
        },
        {
          "name": "Laboratory Studies",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 390,
      "start_date": "2009-03",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2016-06-27",
      "last_synced_at": "2026-09-08T19:16:20.329Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00842621"
    },
    {
      "nct_id": "NCT06145373",
      "title": "A Study to Test a Medicine (Fitusiran) for Preventing Bleeds in People With Severe Hemophilia Who Previously Received Preventive Treatment With Emicizumab",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hemophilia A"
      ],
      "interventions": [
        {
          "name": "Fitusiran (SAR439774)",
          "type": "DRUG"
        },
        {
          "name": "Clotting factor concentrates (CFC) or bypassing agents (BPA)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Antithrombin concentrate (ATIIIC)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Emicizumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "12 Years and older · Male only"
      },
      "enrollment_count": 20,
      "start_date": "2024-03-01",
      "completion_date": "2030-01-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-02",
      "last_synced_at": "2026-09-08T19:16:20.329Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06145373"
    },
    {
      "nct_id": "NCT00110513",
      "title": "Recombinant Human Antithrombin (rhAT) in Patients With Hereditary Antithrombin Deficiency Undergoing Surgery or Delivery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Antithrombin III Deficiency"
      ],
      "interventions": [
        {
          "name": "Recombinant human antithrombin (rhAT)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "rEVO Biologics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 18,
      "start_date": "2005-04",
      "completion_date": "2008-07",
      "has_results": true,
      "last_update_posted_date": "2012-08-17",
      "last_synced_at": "2026-09-08T19:16:20.329Z",
      "location_count": 3,
      "location_summary": "New Haven, Connecticut • St Louis, Missouri • New York, New York",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00110513"
    },
    {
      "nct_id": "NCT01598883",
      "title": "Understanding \"Heparin Resistance\" in Cardiac Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cardiopulmonary Bypass",
        "Altered Heparin Response"
      ],
      "interventions": [
        {
          "name": "Heparin",
          "type": "DRUG"
        },
        {
          "name": "ATryn",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 504,
      "start_date": "2012-06",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2016-12-14",
      "last_synced_at": "2026-09-08T19:16:20.329Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01598883"
    },
    {
      "nct_id": "NCT07285460",
      "title": "A Study to Investigate the Efficacy and Safety of Fitusiran Prophylaxis in Male Participants Aged 1 to Less Than 12 Years With Hemophilia A or B",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hemophilia"
      ],
      "interventions": [
        {
          "name": "Fitusiran",
          "type": "DRUG"
        },
        {
          "name": "Clotting factor concentrates (CFC) or bypassing agents (BPA)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Antithrombin concentrate (ATIIIC)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "11 Years",
        "sex": "MALE",
        "summary": "1 Year to 11 Years · Male only"
      },
      "enrollment_count": 85,
      "start_date": "2025-12-18",
      "completion_date": "2031-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-09-08T19:16:20.329Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • Orange, California • Las Vegas, Nevada + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        },
        {
          "city": "Hackensack",
          "state": "New Jersey"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07285460"
    },
    {
      "nct_id": "NCT06096116",
      "title": "Phase 3 Study on the Efficacy and Safety of Human Plasma Derived Antithrombin (Atenativ) in Heparin-Resistant Patients Scheduled to Undergo Cardiac Surgery Necessitating Cardiopulmonary Bypass",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acquired Antithrombin Deficiency"
      ],
      "interventions": [
        {
          "name": "Human plasma derived antithrombin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Octapharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 120,
      "start_date": "2024-08-21",
      "completion_date": "2028-03",
      "has_results": false,
      "last_update_posted_date": "2026-05-12",
      "last_synced_at": "2026-09-08T19:16:20.329Z",
      "location_count": 9,
      "location_summary": "Stanford, California • Miami, Florida • Boston, Massachusetts + 6 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06096116"
    },
    {
      "nct_id": "NCT01913444",
      "title": "Pharmacokinetic Study of Recombinant AT III in Neonates Undergoing ECMO",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Neonates on ECMO"
      ],
      "interventions": [
        {
          "name": "Recombinant Antithrombin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Minute",
        "maximum_age": "30 Days",
        "sex": "ALL",
        "summary": "1 Minute to 30 Days"
      },
      "enrollment_count": 0,
      "start_date": "2013-07",
      "completion_date": "2014-10",
      "has_results": false,
      "last_update_posted_date": "2015-01-13",
      "last_synced_at": "2026-09-08T19:16:20.329Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01913444"
    },
    {
      "nct_id": "NCT02631174",
      "title": "Evaluation Of The Pharmacokinetics Of Antithrombin III In Neonates And Infants Undergoing CPB And ECMO Support",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Extracorporeal Membrane Oxygenation Complication",
        "Cardiopulmonary Bypass"
      ],
      "interventions": [
        {
          "name": "Antithrombin III",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "1 Year",
        "sex": "ALL",
        "summary": "Up to 1 Year"
      },
      "enrollment_count": 27,
      "start_date": "2015-06",
      "completion_date": "2018-06",
      "has_results": false,
      "last_update_posted_date": "2019-01-25",
      "last_synced_at": "2026-09-08T19:16:20.329Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02631174"
    },
    {
      "nct_id": "NCT05662319",
      "title": "A Study to Test a Medicine (Fitusiran) Injected Under the Skin for Preventing Bleeding Episodes in Male Adolescent or Adult Participants With Severe Hemophilia",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hemophilia"
      ],
      "interventions": [
        {
          "name": "Fitusiran",
          "type": "DRUG"
        },
        {
          "name": "Clotting factor concentrates (CFC) or bypassing agents (BPA)",
          "type": "DRUG"
        },
        {
          "name": "Antithrombin concentrate (ATIIIC)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "12 Years and older · Male only"
      },
      "enrollment_count": 91,
      "start_date": "2023-02-01",
      "completion_date": "2029-01-25",
      "has_results": false,
      "last_update_posted_date": "2026-02-04",
      "last_synced_at": "2026-09-08T19:16:20.329Z",
      "location_count": 8,
      "location_summary": "Orange, California • Minneapolis, Minnesota • Hackensack, New Jersey + 5 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Hackensack",
          "state": "New Jersey"
        },
        {
          "city": "New Hyde Park",
          "state": "New York"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05662319"
    },
    {
      "nct_id": "NCT01547728",
      "title": "Response of Recombinant Antithrombin in Heparin Resistant Patients Undergoing Cardiac Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Thrombophilia Due to Acquired Antithrombin III Deficiency"
      ],
      "interventions": [
        {
          "name": "Recombinant antithrombin (rhAT)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 42,
      "start_date": "2012-02",
      "completion_date": "2014-02",
      "has_results": true,
      "last_update_posted_date": "2015-07-15",
      "last_synced_at": "2026-09-08T19:16:20.329Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01547728"
    }
  ]
}