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Hemophilia B clinical trials in California
7 studies for Hemophilia B are looking for participants at sites in California.
Cities in California
Safety and Effectiveness of Giroctocogene Fitelparvovec or Fidanacogene Elaparvovec in Patients With Hemophilia A or B Respectively
- The Regents of the University of California||UC Davis Health, Rancho Cordova
- UC Davis Health, Sacramento
- UC Davis Ambulatory Care Clinic, Sacramento
- and 3 more
RecruitingPhase 3
Ages 18 and older · Men · Updated Oct 2, 2026 · NCT05568719Phase 3, Open-label, Single-dose Study of CSL222 in Adolescent Male Subjects (≥ 12 to < 18 Years of Age) With Severe or Moderately Severe Hemophilia B
- Center for Inherited Blood Disorders, Orange
RecruitingPhase 3
138 Months – 206 Months · Men · Updated Sep 16, 2026 · NCT07080905A Study to Investigate the Safety and Effectiveness of a Coagulation Factor IX Gene Insertion Therapy (REGV131-LNP1265) in Pediatric, Adolescent and Adult Participants With Hemophilia B
- Orthopaedic Hemophilia Treatment Center, Los Angeles
- David Geffen School of Medicine at UCLA, Los Angeles
- Children's Hospital Los Angeles, Los Angeles
- and 2 more
RecruitingPhase 1/2
Ages 2 and older · Men · Updated Sep 11, 2026 · NCT06379789Efficacy and Safety of CSL222 (Etranacogene Dezaparvovec) Gene Therapy in Adults With Hemophilia B With Pretreatment Adeno-associated Virus Serotype 5 (AAV5) Neutralizing Antibodies (Nabs)
- University of California, San Diego (UCSD), San Diego
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Aug 27, 2026 · NCT06003387ATHN Transcends: A Natural History Study of Non-Neoplastic Hematologic Disorders
- Orthopaedic Institute for Children HTC, Los Angeles
- Childrens Hospital Los Angeles, Los Angeles
- UCSF Benioff Children's Hospital Oakland, Oakland
- and 5 more
RecruitingObservational study
All ages · All sexes · Updated Aug 17, 2026 · NCT04398628A Study of Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of SR604 in Two Participants Groups (Part A: Healthy Participants, and Part B: Participants With Hemophilia A or Hemophilia B or Factor VII Deficiency)
- Children's Hospital Los Angeles, Los Angeles
RecruitingPhase 1Healthy volunteers welcome
Ages 18 to 60 · All sexes · Updated Jul 2, 2026 · NCT06349473SEVENFACT® for Bleeding Events in Hemophilia With Inhibitors
- Orthopaedic Institute for Children, Los Angeles
- University of California at Davis UC Davis Hemostasis and Thrombosis Center, Sacramento
RecruitingPhase 4
Ages 12 to 100 · All sexes · Updated Jan 12, 2026 · NCT04647227From ClinicalTrials.gov, data retrieved Oct 5, 2026. Each study sets its own eligibility; the study team decides who can join.