{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=American+Thrombosis+and+Hemostasis+Network",
    "query": {
      "sponsor": "American Thrombosis and Hemostasis Network"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 11,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=American+Thrombosis+and+Hemostasis+Network&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T18:05:10.998Z",
  "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": "NCT03853486",
      "title": "ATHN 9: Severe VWD Natural History Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Von Willebrand Diseases"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "American Thrombosis and Hemostasis Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 108,
      "start_date": "2019-06-18",
      "completion_date": "2026-06-26",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-10-02T18:05:10.998Z",
      "location_count": 22,
      "location_summary": "Orange, California • Aurora, Colorado • Farmington, Connecticut + 19 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Farmington",
          "state": "Connecticut"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03853486"
    },
    {
      "nct_id": "NCT03603275",
      "title": "Assessing Physician and Hemophilia A Patient Reasons and Expectations for Switching Treatment to Kovaltry & Jivi: A Nested Study Within an Existing Registry",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hemophilia A"
      ],
      "interventions": [
        {
          "name": "New FVIII products",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2018-08-06",
      "completion_date": "2020-05-14",
      "has_results": false,
      "last_update_posted_date": "2022-08-25",
      "last_synced_at": "2026-10-02T18:05:10.998Z",
      "location_count": 27,
      "location_summary": "La Jolla, California • Aurora, Colorado • New Haven, Connecticut + 23 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03603275"
    },
    {
      "nct_id": "NCT02546622",
      "title": "ATHN 2: Factor Switching Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hemophilia"
      ],
      "interventions": [
        {
          "name": "Factor VIII Replacement Products for Hemophilia which were FDA approved after January 1, 2013",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Factor IX Replacement Products for Hemophilia which were FDA approved after January 1, 2013",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "American Thrombosis and Hemostasis Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 310,
      "start_date": "2015-09",
      "completion_date": "2020-06-30",
      "has_results": false,
      "last_update_posted_date": "2021-12-09",
      "last_synced_at": "2026-10-02T18:05:10.998Z",
      "location_count": 27,
      "location_summary": "San Diego, California • Aurora, Colorado • New Haven, Connecticut + 23 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02546622"
    },
    {
      "nct_id": "NCT04398628",
      "title": "ATHN Transcends: A Natural History Study of Non-Neoplastic Hematologic Disorders",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hematologic Disorder",
        "Bleeding Disorder",
        "Connective Tissue Disorder",
        "Hemophilia",
        "Thrombosis",
        "Von Willebrand Diseases",
        "Thrombophilia",
        "Rare Bleeding Disorder",
        "Platelet Disorder",
        "Factor IX Deficiency",
        "Factor VIII Deficiency",
        "Thalassemia",
        "Sickle Cell Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "American Thrombosis and Hemostasis Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 3000,
      "start_date": "2020-09-30",
      "completion_date": "2035-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-10-02T18:05:10.998Z",
      "location_count": 76,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 60 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04398628"
    },
    {
      "nct_id": "NCT03834727",
      "title": "Characterizing the Impact and Treatment of Reproductive Tract Bleeding on Women and Post-menarchal Girls With Bleeding Disorders",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hemophilia A",
        "Bleeding Disorder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "10 Years to 65 Years · Female only"
      },
      "enrollment_count": 256,
      "start_date": "2018-09-05",
      "completion_date": "2022-04-01",
      "has_results": false,
      "last_update_posted_date": "2023-04-18",
      "last_synced_at": "2026-10-02T18:05:10.998Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03834727"
    },
    {
      "nct_id": "NCT03818529",
      "title": "ATHN 8: Previously Untreated Patients (PUPs) Matter Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hemophilia",
        "Hemophilia A",
        "Hemophilia B",
        "Hemophilia A With Inhibitor",
        "Hemophilia B With Inhibitor",
        "Haemophilia B Without Inhibitor",
        "Haemophilia A Without Inhibitor",
        "Haemophilia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "American Thrombosis and Hemostasis Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "13 Years",
        "sex": "ALL",
        "summary": "0 Years to 13 Years"
      },
      "enrollment_count": 237,
      "start_date": "2018-10-03",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-02-01",
      "last_synced_at": "2026-10-02T18:05:10.998Z",
      "location_count": 27,
      "location_summary": "Phoenix, Arizona • Madera, California • San Diego, California + 24 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Madera",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03818529"
    },
    {
      "nct_id": "NCT01127529",
      "title": "Ceprotin Treatment Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Protein C Deficiency"
      ],
      "interventions": [
        {
          "name": "Protein C Concentrate (Human)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Baxalta now part of Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 43,
      "start_date": "2010-06-23",
      "completion_date": "2015-06-22",
      "has_results": false,
      "last_update_posted_date": "2021-03-17",
      "last_synced_at": "2026-10-02T18:05:10.998Z",
      "location_count": 12,
      "location_summary": "Phoenix, Arizona • Orange, California • Aurora, Colorado + 9 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01127529"
    },
    {
      "nct_id": "NCT03619863",
      "title": "ATHN 7: Hemophilia Natural History Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hemophilia A With Inhibitor",
        "Haemophilia A Without Inhibitor",
        "Hemophilia B With Inhibitor",
        "Haemophilia B Without Inhibitor"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "American Thrombosis and Hemostasis Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 395,
      "start_date": "2018-10-24",
      "completion_date": "2024-03-31",
      "has_results": false,
      "last_update_posted_date": "2025-02-12",
      "last_synced_at": "2026-10-02T18:05:10.998Z",
      "location_count": 29,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • San Diego, California + 23 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03619863"
    },
    {
      "nct_id": "NCT04647227",
      "title": "SEVENFACT® for Bleeding Events in Hemophilia With Inhibitors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hemophilia A With Inhibitor",
        "Hemophilia B With Inhibitor"
      ],
      "interventions": [
        {
          "name": "coagulation factor VIIa [recombinant]-jncw",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "American Thrombosis and Hemostasis Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "12 Years to 100 Years"
      },
      "enrollment_count": 55,
      "start_date": "2021-06-28",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-12",
      "last_synced_at": "2026-10-02T18:05:10.998Z",
      "location_count": 21,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 17 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04647227"
    },
    {
      "nct_id": "NCT04055051",
      "title": "ATHN 11: Liver Transplantation Outcomes Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hemophilia A and B",
        "Liver Transplantation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "American Thrombosis and Hemostasis Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 86,
      "start_date": "2020-06-18",
      "completion_date": "2022-12-01",
      "has_results": false,
      "last_update_posted_date": "2023-05-10",
      "last_synced_at": "2026-10-02T18:05:10.998Z",
      "location_count": 15,
      "location_summary": "Los Angeles, California • San Francisco, California • Peoria, Illinois + 12 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Scarborough",
          "state": "Maine"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04055051"
    }
  ]
}