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Long-Term Follow-Up of Subjects Treated With AXO-AAV-GM2 for Tay-Sachs or Sandhoff Disease

Long-Term Follow-Up of A Two-Stage Dose-Escalation Study to Evaluate the Safety and Efficacy of Bilateral Intraparenchymal Thalamic and Intracisternal/Intrathecal Admin of AXO-AAV-GM2 in Tay-Sachs or Sandhoff Disease

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT06614569
Enrollment
7
Registered
2024-09-26
Start date
2024-09-17
Completion date
2028-12-31
Last updated
2025-10-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

GM2 Gangliosidosis, Sandhoff Disease, Tay Sachs Disease

Brief summary

This study is to continue Long-Term Follow-Up of Patients who were previously treated with AXO-AAV-GM2 Gene Therapy as treatment for Tay-Sachs or Sandhoff Disease to follow the subjects through 5 years after their initial gene therapy treatment.

Detailed description

Subjects will be contacted bi-annually for a total of five years following the administration of AXO-AAV-GM2 for the collection of clinical information, especially pertaining to de novo cancer, neurologic, rheumatologic, and hematologic/immunologic disorders. This will be done to comply with FDA Recommendations and NIH Guidelines for long-term follow-up for research involving gene therapy with AAV Vectors.

Interventions

DRUGAXO-AAV-GM2

Participants who received AXO-AAV-GM2 will be tracked in long term follow up

Sponsors

Terence Flotte
Lead SponsorOTHER

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Healthy volunteers
No

Inclusion criteria

* Subjects who were previously enrolled in the study A Two-Stage Dose-Escalation Study to Evaluate the Safety and Efficacy of Bilateral Intraparenchymal thalamic and intracisternal/Intrathecal Admin of AXO-AAV-GM2 in Tay-Sachs or Sandhoff Disease.

Exclusion criteria

* Subjects who were not previously enrolled under the initial protocol.

Design outcomes

Primary

MeasureTime frameDescription
Long term Safety of AXO-AAV-GM2Every 6 months, up to five yearsParticipants will be monitored for adverse events, including delayed adverse events, as a result of AXO-AAV-GM2 including de novo cancer, neurologic, rheumatologic, and hematologic/immunologic disorders.

Secondary

MeasureTime frameDescription
Long term Impact of AXO-AAV-GM2Every 6 months, up to five yearsParticipants will be monitored for the impact of treatment with AXO-AAV-GM2 on the expected natural history of their condition in the domains of neurocognitive adaptive, developmental, neurological and motor function.

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026