Safety Study of Recombinant Adeno-Associated Virus Acid Alpha-Glucosidase to Treat Pompe Disease

Completed · Phase 1/Phase 2

Conditions studied: Pompe Disease

In brief

Pompe disease is an inherited condition of acid alpha-glucosidase (GAA) deficiency resulting in lysosomal accumulation of glycogen in all tissues. Glycogen accumulation leads to muscle dysfunction and profound muscle weakness. A wide spectrum of disease is characteristic and the most severe patients have cardiorespiratory failure, often fatal in the first two years of life. Researchers have developed a way to introduce the normal GAA gene into muscle cells with the expectation that the GAA protein will be produced at levels sufficient to reduce glycogen accumulation. This study will evaluate the safety of the experimental gene transfer procedure in individuals with GAA deficiency. The study will also determine what dose may be required to achieve improvement in measures of respiratory function.

Key facts

Study ID

NCT00976352

Run by

University of Florida

People needed

9

Starts

2010-09-01

Expected to finish

2015-12-01

Last updated by the study team

2018-09-14

Who can join

Age: 2 and older, up to 18. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Male or female subjects 2-18 years of age.
• Have a diagnosis of Pompe, as defined by protein assay, DNA sequence of the acid alpha-glucosidase gene and clinical symptoms of the disease.
• Using assisted ventilation at baseline. Mechanical Ventilation is defined as any use of ventilation support, (including but not limited to BiPAP, CPAP), a minimum of 1 hours per day.
• Willing to discontinue aspirin, aspirin-containing products and other drugs that may alter platelet function, 7 days prior to dosing, resuming 24 hours after the dose has been administered.

You may not qualify if…

• The subject must not:
• Have required acute, as distinguished from long-term, maintenance or chronic suppressive, oral or intravenous antibiotic therapy for a respiratory infection within 15 days prior to baseline screening.
• Have required oral or systemic corticosteroids within the last 15 days prior to baseline screening.
• Have a platelet count less than 75,000/ cu mm.
• Have an INR greater than 1.3.
• Serological evidence of hepatitis B, hepatitis C, or HIV positive.
• Be currently or within the past 30 days participating in any other research protocol involving investigational agents or therapies.
• Have received gene transfer agents within the past 6 months.
• Have history of platelet dysfunction, evidence of abnormal platelet function at screening or history of recent use of drugs that may alter platelet function which the subject is unable/unwilling to discontinue for study agent administration.
• Have any other concurrent condition which, in the opinion of the investigator, would make the subject unsuitable for the study.

Where it is running

• Shands at the University of Florida — Gainesville, Florida, United States

Full record on ClinicalTrials.gov

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