{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hemophilia+B",
    "query": {
      "condition": "Hemophilia B"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 147,
    "total_pages": 15,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hemophilia+B&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-11T01:43:39.594Z",
  "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": "NCT00002386",
      "title": "Effect of Indinavir Plus Two Other Anti-HIV Drugs on Blood Clotting in HIV-Positive Males With Hemophilia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "HIV Infections",
        "Hemophilia A"
      ],
      "interventions": [
        {
          "name": "Indinavir sulfate",
          "type": "DRUG"
        },
        {
          "name": "Lamivudine",
          "type": "DRUG"
        },
        {
          "name": "Stavudine",
          "type": "DRUG"
        },
        {
          "name": "Zidovudine",
          "type": "DRUG"
        },
        {
          "name": "Zalcitabine",
          "type": "DRUG"
        },
        {
          "name": "Didanosine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "16 Years and older · Male only"
      },
      "enrollment_count": 55,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-06-11T01:43:39.594Z",
      "location_count": 7,
      "location_summary": "San Francisco, California • Washington D.C., District of Columbia • Atlanta, Georgia + 4 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002386"
    },
    {
      "nct_id": "NCT00212459",
      "title": "The Effect of Patient Counseling on Adolescent Hemophilia Patient Compliance With Bleeding Logs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hemophilia A",
        "Hemophilia B"
      ],
      "interventions": [
        {
          "name": "Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "New York Presbyterian Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "20 Years",
        "sex": "MALE",
        "summary": "12 Years to 20 Years · Male only"
      },
      "enrollment_count": 14,
      "start_date": "2005-05",
      "completion_date": "2008-04",
      "has_results": false,
      "last_update_posted_date": "2013-03-27",
      "last_synced_at": "2026-06-11T01:43:39.594Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00212459"
    },
    {
      "nct_id": "NCT05281718",
      "title": "Factor IX as Adjunctive Therapy to Emicizumab (EMIX)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Hemophilia A"
      ],
      "interventions": [
        {
          "name": "Factor IX",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tulane University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "120 Years",
        "sex": "MALE",
        "summary": "12 Years to 120 Years · Male only"
      },
      "enrollment_count": 12,
      "start_date": "2022-08-01",
      "completion_date": "2024-07-14",
      "has_results": false,
      "last_update_posted_date": "2025-01-20",
      "last_synced_at": "2026-06-11T01:43:39.594Z",
      "location_count": 2,
      "location_summary": "Metairie, Louisiana • New Orleans, Louisiana",
      "locations": [
        {
          "city": "Metairie",
          "state": "Louisiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05281718"
    },
    {
      "nct_id": "NCT00076557",
      "title": "Safety of a New Type of Treatment Called Gene Transfer for the Treatment of Severe Hemophilia B",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Hemophilia B"
      ],
      "interventions": [
        {
          "name": "Adeno-Associated Viral with Human Factor IX",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Avigen",
      "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": 15,
      "start_date": "2004-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2007-04-04",
      "last_synced_at": "2026-06-11T01:43:39.594Z",
      "location_count": 3,
      "location_summary": "Palo Alto, California • Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00076557"
    },
    {
      "nct_id": "NCT00543439",
      "title": "Study Evaluating Prophylaxis Treatment & Characterizing Efficacy, Safety, & PK Of B-Domain Deleted Recombinant FVIII",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hemophilia A"
      ],
      "interventions": [
        {
          "name": "Moroctocog alfa (AF-CC)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "15 Years",
        "sex": "MALE",
        "summary": "6 Months to 15 Years · Male only"
      },
      "enrollment_count": 66,
      "start_date": "2007-12",
      "completion_date": "2018-04",
      "has_results": true,
      "last_update_posted_date": "2019-01-11",
      "last_synced_at": "2026-06-11T01:43:39.594Z",
      "location_count": 7,
      "location_summary": "Cincinnati, Ohio • Portland, Oregon • Dallas, Texas + 1 more",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00543439"
    },
    {
      "nct_id": "NCT02548143",
      "title": "LR769 in Congenital Hemophilia Patients With Inhibitors Undergoing Elective Surgery or Invasive Procedures",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hemophilia"
      ],
      "interventions": [
        {
          "name": "Coagulation Factor VIIa (Recombinant)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Laboratoire français de Fractionnement et de Biotechnologies",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "6 Months to 75 Years · Male only"
      },
      "enrollment_count": 12,
      "start_date": "2016-08-25",
      "completion_date": "2017-08-31",
      "has_results": true,
      "last_update_posted_date": "2022-02-25",
      "last_synced_at": "2026-06-11T01:43:39.594Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02548143"
    },
    {
      "nct_id": "NCT03272568",
      "title": "Extended Half Life Factor (EHF) Products For Heavy Menstrual Bleeding in Hemophilia Carriers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Hemophilia",
        "Menstrual Flow Excessive"
      ],
      "interventions": [
        {
          "name": "Recombinant FVIII Fc fusion product Eloctate",
          "type": "DRUG"
        },
        {
          "name": "Recombinant FIX Fc fusion product Alprolix",
          "type": "DRUG"
        },
        {
          "name": "Patient-operated diagnostic device for anemia AnemoCheck.",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 55 Years · Female only"
      },
      "enrollment_count": 3,
      "start_date": "2018-02-14",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2020-05-18",
      "last_synced_at": "2026-06-11T01:43:39.594Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03272568"
    },
    {
      "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": "2026-06-11T01:43:39.594Z",
      "location_count": 1,
      "location_summary": "Plainsboro, New Jersey",
      "locations": [
        {
          "city": "Plainsboro",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02568202"
    },
    {
      "nct_id": "NCT03489291",
      "title": "Dose Confirmation Trial of AAV5-hFIXco-Padua",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hemophilia B"
      ],
      "interventions": [
        {
          "name": "AAV5-hFIXco-Padua (AMT-061)",
          "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": 3,
      "start_date": "2018-07-24",
      "completion_date": "2023-09-21",
      "has_results": true,
      "last_update_posted_date": "2024-06-28",
      "last_synced_at": "2026-06-11T01:43:39.594Z",
      "location_count": 4,
      "location_summary": "Phoenix, Arizona • Sacramento, California • San Diego, California + 1 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03489291"
    },
    {
      "nct_id": "NCT03569891",
      "title": "HOPE-B: Trial of AMT-061 in Severe or Moderately Severe Hemophilia B Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hemophilia B"
      ],
      "interventions": [
        {
          "name": "AAV5-hFIXco-Padua",
          "type": "GENETIC"
        },
        {
          "name": "Factor IX (FIX)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "BIOLOGICAL"
      ],
      "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": 67,
      "start_date": "2018-06-27",
      "completion_date": "2025-03-19",
      "has_results": true,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-06-11T01:43:39.594Z",
      "location_count": 19,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 14 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/NCT03569891"
    }
  ]
}