Acid Maltase Deficiency, Glycogen Storage Disease Type 2, Glycogen Storage Disease Type II, LOPD, Lysosomal Storage Diseases, Pompe Disease, Pompe Disease (Late-onset)
Conditions
Brief summary
The purpose of this study is to evaluate the safety, tolerability, and efficacy of a single intravenous infusion of SPK-3006 in adults with clinically moderate, late-onset Pompe disease receiving enzyme replacement therapy (ERT). Participants will be treated in sequential, dose-level cohorts.
Interventions
adeno-associated viral (AAV) vector
Sponsors
Study design
Eligibility
Inclusion criteria
* Provide written informed consent; * Males and Females ≥18 years of age with late-onset Pompe disease; * Received ERT for at least the previous 24 months * Have clinically moderate, late-onset Pompe disease characteristics; * Agree to use reliable contraception.
Exclusion criteria
* Active hepatitis B and/or C; * Significant underlying liver disease; * Human immunodeficiency virus (HIV) infection; * Prior hypersensitivity to rhGAA; * Pre-existing anti-AAV neutralizing antibody titers; * High titer antibody responses to rhGAA; * Requires any invasive ventilation or requires noninvasive ventilation while awake and upright; * Received any prior vector or gene transfer agent; * Active malignancy (except non-melanoma skin cancer); * History of liver cancer; * Pregnant or nursing women; * Any evidence of active infection at the time of SPK-3006 infusion.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Occurrence of immune response against GAA transgene | Up to 5 years | — |
| Number of adverse and serious adverse events (AEs/SAEs), including clinically significant abnormal laboratory values. | Up to 5 years | Adverse events. |
| Occurrence of immune response against AAV capsid | Up to 5 years | — |
Countries
Canada, Denmark, France, Germany, Italy, Netherlands, United Kingdom, United States