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Updated: Mar 23, 2026

Constitutive and Inducible Systems for Genetic In Vivo Modification of Mouse Hepatocytes Using Hydrodynamic Tail Vein Injection
Published on: February 2, 2018
Gene Therapy for Hemophilia
Arthur W Nienhuis1, Amit C Nathwani2, Andrew M Davidoff3
11 Division of Experimental Hematology, Department of Hematology, St. Jude Children's Research Hospital , Memphis, Tennessee.
Adeno-associated viral vectors show clinical efficacy for hemophilia B treatment. Further development is underway for a hemophilia A vector, with clinical trials planned.
Area of Science:
- Gene therapy
- Hematology
- Viral vector technology
Background:
- Hemophilia A and B are genetic bleeding disorders requiring lifelong treatment.
- Adeno-associated viral (AAV) vectors offer a potential gene therapy approach for hemophilia.
- Current treatments for hemophilia are effective but burdensome.
Purpose of the Study:
- To review the clinical application of AAV vectors in hemophilia.
- To present evidence of clinical efficacy for hemophilia B gene therapy.
- To introduce a novel AAV vector for hemophilia A treatment.
Main Methods:
- Multi-plasmid transfection of cells to produce AAV vector particles.
- Description of three completed clinical trials for hemophilia B.
- Development and planned clinical trial for a hemophilia A AAV vector.
Main Results:
- Clinical trial data demonstrate the efficacy of AAV vectors in treating hemophilia B.
- Successful derivation of vector particles through established cell transfection methods.
- AAV vector for hemophilia A has been successfully developed.
Conclusions:
- AAV vector-mediated gene therapy is a promising treatment for hemophilia B.
- Clinical trials provide evidence supporting the efficacy of this gene therapy approach.
- Further clinical investigation is warranted for hemophilia A using the developed AAV vector.
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