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A Dose-escalation and Safety & Efficacy Study of AXO-AAV-GM2 in Tay-Sachs or Sandhoff Disease

Sandhoff Disease Clinical Trial

Official title:
A Two-Stage, Dose-Escalation and Safety & Efficacy Study of Bilateral Intraparenchymal Thalamic and Intracisternal/Intrathecal Administration of AXO-AAV-GM2 in Tay-Sachs or Sandhoff Disease

Clinical Trial Summary

The AXO-GM2-001 study is an open-label, two-stage clinical trial designed to evaluate safety and dose-escalation (Stage 1) and safety and efficacy (Stage 2) of a bilateral thalamic and intracisternal/intrathecal infusion of AXO-AAV-GM2 in pediatric participants with GM2 Gangliosidosis (also known as Tay-Sachs or Sandhoff Diseases), a set of rare and fatal pediatric neurodegenerative genetic disorders caused by defects in the HEXA (leading to Tay-Sachs disease) or HEXB (leading to Sandhoff disease) genes that encode the two subunits of the β-hexosaminidase A (HexA) enzyme. AXO-AAV-GM2 is an investigational gene therapy that aims to restore HexA function by introducing a functional copy of the HEXA and HEXB genes via co-administration of two vectors utilizing the neurotropic adeno-associated virus recombinant human 8 serotype (AAVrh.8) capsid carrying the human HEXA or HEXB cDNA. The trial is expected to enroll pediatric participants with Tay-Sachs or Sandhoff Diseases, where infantile-onset participants will range from 6 months to 20 months old, and juvenile-onset participants will range from 2 years to 12 years old.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04669535
Study type Interventional
Source University of Massachusetts, Worcester
Contact
Status Active, not recruiting
Phase Phase 1
Start date January 15, 2021
Completion date June 2028
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