AVROBIO Announces Preclinical Gene Therapy Data for Pompe Disease at American Society of Gene and Cell Therapy (ASGCT) Annual Meeting

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May 18, 2022

AVROBIO, Inc. (Nasdaq: AVRO), a leading clinical-stage gene therapy company with a shared purpose to free people from a lifetime of genetic disease, today announced preclinical data demonstrating the efficacy and safety of AVR-RD-03 gene therapy in a mouse model of infantile onset Pompe disease. The results, which will be presented today during the “Disease models and Clinical Applications: Musculo-skeletal Diseases” poster session at the American Society of Gene and Cell Therapy (ASGCT) annual meeting in Washington, D.C., demonstrate that a gene therapy using hematopoietic stem cells (HSC) significantly reduced toxic accumulation of glycogen in a mouse model of Pompe disease, including in cardiac and skeletal muscle as well as the central nervous system (CNS). Eight months post infusion, substrate levels in multiple treated tissues were nearly indistinguishable from normal mice.