Observational Study of Patients with Hemophilia B Treated with HEMGENIX® (etranacogene dezaparvovec)
IX-TEND™ 4001 is an observational research study to collect information on the long-term effectiveness and safety of HEMGENIX® (etranacogene dezaparvovec) in people living with hemophilia B, and how it compares with FIX continuous prophylaxis in a real-world setting.
About 500 people living with hemophilia B will take part in this study (250 who have taken or plan to take, HEMGENIX® and 250 using FIX continuous routine prophylaxis) at about 75 locations in about 15 countries.
This is an observational study, which means you will continue to receive care as already decided by you and your healthcare provider(s) – independent of this study. This study will collect data on your health and any outcomes of treatment, but your treatment itself will not change in any way as a result of your participation in this study.
Am I eligible to participate?
You may be able to participate if:
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You are willing to sign a consent form to participate in this observational study.
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You are prescribed treatment with commercial HEMGENIX® in the next 3 months OR
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You received HEMGENIX® within the last 6 months