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Hemophilia B clinical trials in Seattle, WA
3 studies for Hemophilia B are looking for participants at sites in and around Seattle (within about 30 miles). Open a study to see who can join and how to contact the study team.
Recruiting for a study here? Feature it at the top of this page — $99 for 30 days →
Open-Label Extension Study of Marstacimab in Hemophilia Participants With or Without Inhibitors
RecruitingPhase 3
- Washington Institute for Coagulation d/b/a WACBD, Seattle
Safety and Effectiveness of Giroctocogene Fitelparvovec or Fidanacogene Elaparvovec in Patients With Hemophilia A or B Respectively
RecruitingPhase 3
- Washington Institute for Coagulation, Seattle
ATHN Transcends: A Natural History Study of Non-Neoplastic Hematologic Disorders
RecruitingObservational study
- Washington Center for Bleeding Disorders, Seattle
Hemophilia B trials in other cities
- Philadelphia, PA5 studies
- Sacramento, CA4 studies
- Houston, TX4 studies
- Los Angeles, CA4 studies
- Ann Arbor, MI4 studies
- Nashville, TN3 studies
- Gainesville, FL3 studies
- Greenville, NC3 studies
- San Diego, CA3 studies
- Atlanta, GA3 studies
- San Francisco, CA3 studies
- Indianapolis, IN3 studies
Other studies in Seattle
- Non-Small Cell Lung Cancer55 studies
- Cancer (all types)48 studies
- Prostate Cancer45 studies
- Acute Myeloid Leukemia40 studies
- Metastatic Cancer39 studies
- Breast Cancer37 studies
- Colorectal Cancer35 studies
- Lung Cancer34 studies
- Ovarian Cancer29 studies
- Pancreatic Cancer22 studies
- Multiple Myeloma22 studies
- Acute Lymphoblastic Leukemia22 studies
From ClinicalTrials.gov, data retrieved Nov 15, 2026. Each study sets its own eligibility; the study team decides who can join.