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EVADER AAV8

Development stage
Preclinical
Lead developer
Chameleon Biosciences
Modality
Gene Addition/Replacement → Gene Therapies, Gene Editing → Gene Therapies, Gene Silencing → Gene Therapies
Administration
Intravenous
01

Overview

EVADER AAV8 is a next-generation gene therapy vector developed by Chameleon Biosciences. It utilizes the EVADER (Enveloped Virus After De-Enveloping Re-Enveloping) platform, which consists of adeno-associated virus (AAV) particles, specifically serotype 8, enclosed within a lipid bilayer membrane. This membrane is engineered with checkpoint immunosuppressive molecules to shield the vector from the host's anti-AAV immune response, including neutralizing antibodies and T-cell activation. The lead candidate using this vector carries a human Factor IX (FIX) transgene for the treatment of severe hemophilia B. By evading the immune system, the platform aims to allow for lower dosing and the potential for repeat administration, which is a significant limitation of traditional AAV-based gene therapies.

Other names
AAV8 EVADER/FIXEVADER platform
02

Targets

DNANeuraminidasePre-existing anti-adeno-associated virus 8 neutralizing antibodiesPDCD1 (Programmed cell death protein 1 receptor)F9 (Coagulation Factor IX)

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