enzyme replacement therapy

Natural genetic variations, or polymorphisms, in the ACE gene do not account for the large variability in disease course, or the response to enzyme replacement therapy (ERT) observed among children and adults with Pompe disease, a study suggests. More research is needed to identify the…

Pharmaceutical executives rarely make for a sympathetic Hollywood medical drama. But John Crowley did, and in the nearly 10 years since the release of “Extraordinary Measures” — a tearjerker starring Brendan Fraser as Crowley and Harrison Ford as short-tempered scientist Robert Stonehill — biotech has seen a huge transformation, both…

Aging and vascular risk factors, not enzyme replacement therapy or the disease itself, may increase the risk of late-onset Pompe disease patients developing white matter lesions in the brain, a study suggests. The study, “White matter lesions in treated late onset Pompe disease are not different to matched controls,”…

Patients with late-onset Pompe disease (LOPD) should be followed regularly and start on enzyme replacement therapy (ERT) if they develop symptoms, according to an analysis of available guidelines. The study, “Comparison of recent pivotal recommendations for the diagnosis and treatment of late-onset Pompe disease using…

Amicus Therapeutics received two U.S. patents for ATB200, a unique recombinant (lab-made) human acid alpha-glucosidase (rhGAA) enzyme, and the biologic component of the company’s investigational Pompe disease therapy AT-GAA. One patent covers the composition of matter for rhGAA; the second, the methods for making ATB200. The patents expire in 2035…

A research team in Korea has developed a new method using rice to produce lab-made human acid alpha-glucosidase (GAA) for the treatment of Pompe disease. Their findings were published in the study, “N-glycan Remodeling Using Mannosidase Inhibitors to Increase High-mannose Glycans on Acid α-Glucosidase in Transgenic Rice…

Early treatment with a four times higher dose of Myozyme (alglucosidase alpha) was safe and enabled normal motor development and normalization of markers of muscle damage and disease progression in a boy with classic infantile-onset Pompe disease, according to a study. The study, “Early…

Long-term interruption of enzyme replacement therapy (ERT) can lead to negative outcomes for late-onset Pompe disease patients, affecting their lung and exercise capacity as well as quality of life, a Swiss retrospective study shows. However, for most patients, resuming ERT can help restore the key clinical parameters that deteriorated during the pause…

Low-dose treatment with methotrexate can reduce the immune reaction that often accompanies enzyme replacement therapies in infants with Pompe disease, researchers report. Their study, “An immune tolerance approach using transient low-dose methotrexate in the ERT-naïve setting of patients treated with a therapeutic protein: experience in infantile-onset Pompe…

Amicus Therapeutics is planning to launch a pivotal trial to compare its investigational therapy AT-GAA (ATB200/AT221) to the current standard of care available for patients with Pompe disease. The new trial is expected to provide additional clinical data to support Accelerated Approval for AT-GAA by the U.S.