Hemophilia B Clinical Trial
Official title:
Safety and Tolerability of VGB-R04 in Patients With Haemophilia B
An Open-Label, Non-Randomized, uncontrolled, single-dose pilot study of VGB-R04 in subjects with Hemophilia B.
Hemophilia B is a genetic bleeding disorder caused by pathogenic variants (eg, mutations, deletion) in the FIX gene. HB patients have frequent and potentially life-threatening bleeding and often develop progressive physical disability and pain from chronic haemarthropathy. Current replacement therapy needs regular treatment in the life-long time, bringing heavy economic and social burdens. VGB-R04 is a novel AAV vector carrying a high specific activity factor IX variant. This study is intended to evaluate the safety, tolerability and kinetics of a single IV infusion of VGB-R04. All subjects in this study will provide informed consent and then undergo screening assessments up to 6 weeks before administration of VGB-R04. All subjects will undergo 52(±2) weeks of safety observation and will be encouraged to enroll in an extension study to evaluate the long-term safety of VGB-R04 for a total of five years. ;
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