{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Factor+IX&page=3",
    "query": {
      "intervention": "Factor IX",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 114,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Factor+IX&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Factor+IX&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T14:46:23.852Z",
  "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": "NCT07290634",
      "title": "Comparative Outcomes of PCC and Recombinant Activated Factor VIIa in Trauma-Associated Massive Transfusion",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Thromboembolus",
        "Massive Blood Transfusion; Thrombocytopenia",
        "Trauma"
      ],
      "interventions": [
        {
          "name": "Number of Participants with massive blood transfusion",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Zeliha Alicikus",
      "sponsor_class": "OTHER_GOV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2026-04-30",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-08",
      "last_synced_at": "2026-10-19T14:46:23.852Z",
      "location_count": 2,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07290634"
    },
    {
      "nct_id": "NCT02695160",
      "title": "Ascending Dose Study of Genome Editing by Zinc Finger Nuclease Therapeutic SB-FIX in Subjects With Severe Hemophilia B",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hemophilia B"
      ],
      "interventions": [
        {
          "name": "SB-FIX",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sangamo Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 1,
      "start_date": "2016-11-15",
      "completion_date": "2021-04-19",
      "has_results": true,
      "last_update_posted_date": "2024-07-19",
      "last_synced_at": "2026-10-19T14:46:23.852Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02695160"
    },
    {
      "nct_id": "NCT00364182",
      "title": "Study Comparing On-Demand Treatment With Two Prophylaxis Regimens Of BeneFIX In Patients With Severe Hemophilia B",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hemophilia B"
      ],
      "interventions": [
        {
          "name": "Recombinant Coagulation Factor IX (BeneFIX)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "6 Years to 65 Years · Male only"
      },
      "enrollment_count": 50,
      "start_date": "2007-05",
      "completion_date": "2010-10",
      "has_results": true,
      "last_update_posted_date": "2011-10-04",
      "last_synced_at": "2026-10-19T14:46:23.852Z",
      "location_count": 5,
      "location_summary": "Phoenix, Arizona • Chicago, Illinois • New Brunswick, New Jersey + 1 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00364182"
    },
    {
      "nct_id": "NCT00710619",
      "title": "Observational Patient Diary Study of Treatment Doses for Patients With Haemophilia With Inhibitors to Factors VIII and IX",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Bleeding Disorder",
        "Haemophilia A With Inhibitors",
        "Haemophilia B With Inhibitors"
      ],
      "interventions": [
        {
          "name": "activated recombinant human factor VII",
          "type": "DRUG"
        },
        {
          "name": "Feiba VH",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novo Nordisk A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 52,
      "start_date": "2008-06",
      "completion_date": "2009-07",
      "has_results": false,
      "last_update_posted_date": "2016-11-17",
      "last_synced_at": "2026-10-19T14:46:23.852Z",
      "location_count": 1,
      "location_summary": "Plainsboro, New Jersey",
      "locations": [
        {
          "city": "Plainsboro",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00710619"
    },
    {
      "nct_id": "NCT02568202",
      "title": "Bridging Hemophilia B Experiences, Results and Opportunities Into Solutions (B-HERO-S)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Haemostasis",
        "Congenital Bleeding Disorder",
        "Haemophilia B"
      ],
      "interventions": [
        {
          "name": "No treatment given",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Novo Nordisk A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 449,
      "start_date": "2015-09",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2016-01-12",
      "last_synced_at": "2026-10-19T14:46:23.852Z",
      "location_count": 1,
      "location_summary": "Plainsboro, New Jersey",
      "locations": [
        {
          "city": "Plainsboro",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02568202"
    },
    {
      "nct_id": "NCT05789537",
      "title": "A Study of SerpinPC in Participants with Hemophilia B (HemB) with Inhibitors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hemophilia B with Inhibitor",
        "Hemophilia B"
      ],
      "interventions": [
        {
          "name": "SerpinPC",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ApcinteX Ltd",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "12 Years to 65 Years · Male only"
      },
      "enrollment_count": 3,
      "start_date": "2023-07-28",
      "completion_date": "2025-02-24",
      "has_results": false,
      "last_update_posted_date": "2025-03-11",
      "last_synced_at": "2026-10-19T14:46:23.852Z",
      "location_count": 3,
      "location_summary": "Aurora, Colorado • Tampa, Florida • Greenville, North Carolina",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Greenville",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05789537"
    },
    {
      "nct_id": "NCT02557672",
      "title": "PCC vs. FFP for Post Cardiopulmonary Bypass Coagulopathy and Bleeding",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Bleeding",
        "Blood Loss, Surgical",
        "Cardiovascular Surgical Procedures",
        "Prothrombin Complex Concentrates",
        "Fresh Frozen Plasma"
      ],
      "interventions": [
        {
          "name": "Prothrombin complex concentrate (Human)",
          "type": "DRUG"
        },
        {
          "name": "Fresh frozen plasma (FFP)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 106,
      "start_date": "2016-08",
      "completion_date": "2022-01",
      "has_results": true,
      "last_update_posted_date": "2022-06-07",
      "last_synced_at": "2026-10-19T14:46:23.852Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02557672"
    },
    {
      "nct_id": "NCT00890812",
      "title": "Factor XI Levels in Acute Ischemic Stroke",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stroke"
      ],
      "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": 450,
      "start_date": "2009-05",
      "completion_date": "2011-07",
      "has_results": false,
      "last_update_posted_date": "2011-08-04",
      "last_synced_at": "2026-10-19T14:46:23.852Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00890812"
    },
    {
      "nct_id": "NCT05962398",
      "title": "Long-term Follow-up Study of Male Adults With Hemophilia B Previously Treated With Etranacogene Dezaparvovec (CSL222)",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hemophilia B"
      ],
      "interventions": [
        {
          "name": "AAV5-hFIXco-Padua",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "CSL Behring",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 56,
      "start_date": "2023-08-30",
      "completion_date": "2035-03-23",
      "has_results": false,
      "last_update_posted_date": "2025-07-18",
      "last_synced_at": "2026-10-19T14:46:23.852Z",
      "location_count": 15,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 11 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05962398"
    },
    {
      "nct_id": "NCT00093171",
      "title": "Study Evaluating rFIX; BeneFIX® in Hemophilia B",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hemophilia B"
      ],
      "interventions": [
        {
          "name": "rFIX",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wyeth is now a wholly owned subsidiary of Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 23,
      "start_date": null,
      "completion_date": "2005-05",
      "has_results": false,
      "last_update_posted_date": "2009-08-21",
      "last_synced_at": "2026-10-19T14:46:23.852Z",
      "location_count": 7,
      "location_summary": "Los Angeles, California • Aurora, Colorado • Detroit, Michigan + 4 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00093171"
    }
  ]
}