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Hemophilia clinical trials in San Diego, CA

3 studies for Hemophilia are looking for participants at sites in and around San Diego (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 →

A Study to Learn About How Changing Therapy From Emicizumab to Marstacimab Affects People With the Severe Hemophilia A.

RecruitingPhase 1
  • UCSD Center for Bleeding and Clotting Disorders, San Diego
  • Altman Clinical and Translational Research Institute-IDS, La Jolla · 11 mi away
  • Altman Clinical and Translational Research Institute, La Jolla · 11 mi away
Ages 12 to 74 · Men · Updated Oct 15, 2026 · NCT06703606

ATHN Transcends: A Natural History Study of Non-Neoplastic Hematologic Disorders

RecruitingObservational study
  • Hemophilia & Thrombosis Treatment Center at UC San Diego Health, San Diego
  • Rady Children's Hospital San Diego, San Diego
All ages · All sexes · Updated Aug 17, 2026 · NCT04398628

Prevention of Bleeding in Patients With Moderate and Severe Hemophilia A Playing Sports: A Comparison Between Factor VIII and Emicizumab Prophylaxis

RecruitingObservational study
  • Rady Children's Hospital, San Diego
Ages 6 to 19 · All sexes · Updated Jul 2, 2026 · NCT05022459

About Hemophilia

Hemophilia is a rare disorder in which the blood does not clot normally. Usually hemophilia usually occurs in males and is inherited. Learn more.

More about Hemophilia on MedlinePlus

Hemophilia trials in other cities

Other studies in San Diego

From ClinicalTrials.gov, data retrieved Nov 15, 2026. Each study sets its own eligibility; the study team decides who can join.