{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hemophilia+a",
    "query": {
      "condition": "Hemophilia a"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 326,
    "total_pages": 33,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hemophilia+a&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-27T18:20:40.787Z",
  "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": "NCT00851721",
      "title": "Efficacy and Safety Study of Prophylactic Versus On-Demand Treatment With Feiba NF in Subjects With Hemophilia A or B and a High Titer Inhibitor",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hemophilia A or B With Inhibitors",
        "Hemophilia A",
        "Hemophilia B"
      ],
      "interventions": [
        {
          "name": "Factor VIII Inhibitor Bypassing Activity (nanofiltered, vapor heat-treated)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Baxalta now part of Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "4 Years to 65 Years"
      },
      "enrollment_count": 52,
      "start_date": "2009-03-31",
      "completion_date": "2012-10-17",
      "has_results": true,
      "last_update_posted_date": "2021-05-19",
      "last_synced_at": "2026-06-27T18:20:40.787Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Cleveland, Ohio",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00851721"
    },
    {
      "nct_id": "NCT03003533",
      "title": "A Gene Transfer Study for Hemophilia A",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Hemophilia A"
      ],
      "interventions": [
        {
          "name": "SPK-8011",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Spark Therapeutics, Inc.",
      "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": 25,
      "start_date": "2017-01-26",
      "completion_date": "2023-12-05",
      "has_results": true,
      "last_update_posted_date": "2024-12-30",
      "last_synced_at": "2026-06-27T18:20:40.787Z",
      "location_count": 11,
      "location_summary": "Sacramento, California • Gainesville, Florida • Boston, Massachusetts + 7 more",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Madison",
          "state": "Mississippi"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03003533"
    },
    {
      "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": "2026-06-27T18:20:40.787Z",
      "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": "NCT00765726",
      "title": "Study Evaluating The Safety Of Xyntha In Usual Care Settings",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hemophilia A"
      ],
      "interventions": [
        {
          "name": "Moroctocog alfa(AF-CC)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Blood draw for laboratory testing",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Pfizer",
      "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": 12,
      "start_date": "2009-02",
      "completion_date": "2011-08",
      "has_results": true,
      "last_update_posted_date": "2012-01-20",
      "last_synced_at": "2026-06-27T18:20:40.787Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • Washington D.C., District of Columbia • Detroit, Michigan + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "East Lansing",
          "state": "Michigan"
        },
        {
          "city": "Dayton",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00765726"
    },
    {
      "nct_id": "NCT04676048",
      "title": "ASC618 Gene Therapy in Hemophilia A Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Hemophilia A"
      ],
      "interventions": [
        {
          "name": "ASC618",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "ASC 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": 12,
      "start_date": "2022-08-03",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2023-02-01",
      "last_synced_at": "2026-06-27T18:20:40.787Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04676048"
    },
    {
      "nct_id": "NCT01184820",
      "title": "Trial to Evaluate the Pharmacokinetics and Safety Profile of BAY94-9027 Following Single and Multiple Dose Administration",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hemophilia A"
      ],
      "interventions": [
        {
          "name": "BAY94-9027 + Recombinant Factor VIII (Kogenate FS, BAY14-2222))",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "18 Years to 65 Years · Male only"
      },
      "enrollment_count": 14,
      "start_date": "2010-10-13",
      "completion_date": "2011-10-10",
      "has_results": false,
      "last_update_posted_date": "2018-09-07",
      "last_synced_at": "2026-06-27T18:20:40.787Z",
      "location_count": 4,
      "location_summary": "Davis, California • Boston, Massachusetts • Minneapolis, Minnesota + 1 more",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Syracuse",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01184820"
    },
    {
      "nct_id": "NCT02210091",
      "title": "BAX 855 Pediatric Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hemophilia A"
      ],
      "interventions": [
        {
          "name": "Antihemophilic Factor (Recombinant) - Plasma/Albumin Free Method",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PEGylated Recombinant Factor VIII",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Baxalta now part of Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "Up to 11 Years"
      },
      "enrollment_count": 75,
      "start_date": "2014-10-31",
      "completion_date": "2015-10-23",
      "has_results": true,
      "last_update_posted_date": "2021-05-24",
      "last_synced_at": "2026-06-27T18:20:40.787Z",
      "location_count": 12,
      "location_summary": "Phoenix, Arizona • Denver, Colorado • Gainesville, Florida + 9 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02210091"
    },
    {
      "nct_id": "NCT00621673",
      "title": "Assessment of the Risk of Inhibitor Formation in Previously Treated Patients With Severe Hemophilia A",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hemophilia A"
      ],
      "interventions": [
        {
          "name": "Kogenate (BAY 14-2222)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "60 Years",
        "sex": "MALE",
        "summary": "12 Years to 60 Years · Male only"
      },
      "enrollment_count": 1,
      "start_date": "2006-05",
      "completion_date": "2006-10",
      "has_results": false,
      "last_update_posted_date": "2014-12-18",
      "last_synced_at": "2026-06-27T18:20:40.787Z",
      "location_count": 2,
      "location_summary": "Detroit, Michigan • Las Vegas, Nevada",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00621673"
    },
    {
      "nct_id": "NCT01090206",
      "title": "Correlation Between Vitamin D Status and Bone Mineral Density in Patients With Hemophilia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hemophilia A",
        "Hemophilia B",
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "Vitamin D and calcium",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "21 Years",
        "sex": "MALE",
        "summary": "2 Years to 21 Years · Male only"
      },
      "enrollment_count": 20,
      "start_date": "2010-03",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2016-04-29",
      "last_synced_at": "2026-06-27T18:20:40.787Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01090206"
    },
    {
      "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": "2026-06-27T18:20:40.787Z",
      "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"
    }
  ]
}