Evaluation of the Safety and Efficacy of Hemophilia A Gene Therapy Drugs

ConditionHemophilia A
Trial statusRecruiting
Trial phasePhase 2, Phase 3
Trial typeInterventional
Biological sexMale
Age18+
SponsorShanghai Xinzhi BioMed Co., Ltd.

About this trial

This is a multi-center, Phase 1/2/3, single-arm, open-label, single-dose treatment clinical study to evaluate the safety, tolerability and efficacy of BBM-H803 injection in severe Hemophilia A subjects.

BBM-H803 is an adeno-associated viral (AAV) vector derived from recombinant DNA techniques to contain an expression cassette of the human factor VIII transgene and raises circulating levels of endogenous FVIII.

Eligibility criteria

Qualifiers

Subjects voluntarily sign informed consent form;

Males ≥ 18 years;

Subjects are clinically diagnosed with severe hemophilia A;

Have > = 150 documented exposure days to a Factor VIII protein product

Disqualifiers

Being positive for hepatitis B surface antigen (HBsAg) or hepatitis B virus-DNA (HBV-DNA). Being positive for hepatitis C virus antibody (HCV-Ab) or hepatitis C virus RNA (HCV-RNA).

Currently on antiviral therapy for hepatitis B or C;

Suffer from coagulation disorders other than hemophilia A;

In addition to glucocorticoids, any other immunosuppressants are being used before selection;

Trial design

Treatments tested in this trial

  • Single dose intravenous injection of BBM-H803

Treatment groups

55 Participants
are divided into 1 treatment group

Sponsors and collaborators

Shanghai Xinzhi BioMed Co., Ltd.

Lead sponsor

Shanghai Mianyi Biopharmaceutical Co., Ltd.

Collaborator