Los Angeles, CA6 Active Studies

Hemophilia Clinical Trials in Los Angeles, CA

Find 6 actively recruiting hemophilia clinical trials in Los Angeles, CA. Connect with local research sites and explore new treatment options.

6
Active Trials
5
Sponsors
345
Enrolling

Recruiting Hemophilia Studies in Los Angeles

NCT06379789Recruiting

A 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

Participants in this study have a genetic mutation, specifically in the coagulation (blood clotting) Factor 9 gene that causes severe or moderately severe hemophilia B. This study is researching an ex...

Los Angeles, CAPHASE1130 participantsRegeneron Pharmaceuticals
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NCT07285460Recruiting

A Study to Investigate the Efficacy and Safety of Fitusiran Prophylaxis in Male Participants Aged 1 to Less Than 12 Years With Hemophilia A or B

This is a parallel, Phase 3, two-arm, open-label study to evaluate the efficacy and safety of treatment with fitusiran prophylaxis administered to male pediatric participants (aged 1 to \<12 years) wh...

Los Angeles, CAPHASE385 participantsSanofi
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NCT04647227Recruiting

SEVENFACT® for Bleeding Events in Hemophilia With Inhibitors

Phase IV multi-center, US-centric, open-label, safety study enrolling participants with Hemophilia A or B with inhibitors, 12 years of age and older, who are either on long term prophylactic treatment...

Los Angeles, CAPHASE455 participantsAmerican Thrombosis and Hemostasis Network
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NCT04131036Recruiting

Effects of Emicizumab vs. Factor VIII Prophylaxis on Joint and Bone Health in Severe Hemophilia A

The investigators propose to study longitudinal joint and bone density changes in patients with severe Hemophilia A. Per current standard of care, most patients are on prophylactic FVIII replacement t...

Los Angeles, CA40 participantsWashington Institute for Coagulation
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NCT06145373Recruiting

A Study to Test a Medicine (Fitusiran) for Preventing Bleeds in People With Severe Hemophilia Who Previously Received Preventive Treatment With Emicizumab

This is an exploratory, single group, Phase 4, study to assess treatment with fitusiran prophylaxis after switching from emicizumab prophylaxis. This study aims to evaluate the safety and tolerabilit...

Los Angeles, CAPHASE420 participantsSanofi
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NCT06703606Recruiting

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

The purpose of the study is to learn about safety, how the body processes marstacimab and how it works in patients with severe hemophilia A without inhibitors. Hemophilia A is rare bleeding disorder w...

Los Angeles, CAPHASE115 participantsPfizer
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About Hemophilia Clinical Trials in Los Angeles

Hemophilia is a rare genetic bleeding disorder in which blood does not clot properly due to deficiency of clotting factors. Hemophilia A (factor VIII) and hemophilia B (factor IX) are the most common types. Treatment includes factor replacement therapy and newer approaches like gene therapy.

There are currently 6 hemophilia clinical trials recruiting participants in Los Angeles, CA. These studies are seeking a combined 345 participants. Research is being sponsored by Regeneron Pharmaceuticals, Sanofi, American Thrombosis and Hemostasis Network and 2 other organizations. Clinical trial participation is free and participants receive study-related medical care at no cost.

Hemophilia Clinical Trials in Los Angeles — FAQ

Are there hemophilia clinical trials in Los Angeles?

Yes, there are 6 hemophilia clinical trials currently recruiting in Los Angeles, CA. Browse the studies on this page to find one that fits.

How do I join a clinical trial in Los Angeles?

Browse the studies listed above, click one that interests you, and complete the free eligibility form. A study coordinator at the Los Angeles research site will contact you about next steps.

Are clinical trials in Los Angeles free?

Yes, clinical trial participation is always free. Study-related treatment, medical tests, and doctor visits are provided at no cost. Many Los Angeles studies also compensate for your time and travel.

What hemophilia treatments are being tested?

The 6 active trials in Los Angeles are testing new therapies including novel drugs, biologics, and treatment approaches for hemophilia.

Data updated August 28, 2026 from ClinicalTrials.gov