Patricia Inácio, PhD, science writer —

Two novel mutations in the GAA gene were linked with cerebral stroke in two siblings with late-onset Pompe disease (PD), a study from China reports. The study, “GAA compound heterozygous mutations associated with autophagic impairment cause cerebral infarction in Pompe disease,” was published in the journal…

The number of treatments for children with rare diseases has grown over the past decade, according to a new study. However, despite the increase, nearly 7,000 rare diseases are still lacking treatment. And federal incentives to boost treatment development for these rare diseases have primarily focused not on creating new…

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,”…

Chinese patients with late-onset Pompe disease develop symptoms and are diagnosed at least 10 years earlier than patients from other areas of the world, a Pompe disease registry shows. The study, “Characteristics of Pompe disease in China: a report from the Pompe registry” was published in the journal…

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…

The first patient has been dosed in a Phase 1/2 clinical trial evaluating the safety and effects of ACTUS-101, a potential one-time gene therapy for late-onset Pompe disease developed by Actus Therapeutics. The randomized, open-label trial (NCT03533673) is still recruiting for an estimated total of six participants.

Frequent inspiratory muscle training — a set of breathing exercises to strengthen the respiratory muscles making it easier to breathe — enhanced the breathing capacity of late-onset Pompe disease patients with insufficient respiratory function, a small pilot study has found. The study, “Safety and efficacy of short- and long-term…

Lower activity of the two lysosomal enzymes underlying Pompe and Fabry diseases — acid alpha-glucosidase enzyme (GAA) and alpha-galactosidase A (GLA) — is linked to dilated arteries in the brain, a preliminary study reports. The study, “Association of Low Lysosomal Enzymes Activity With Brain Arterial Dilatation,” was…

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…

Newborn screening for lysosomal storage disorders, including Pompe disease, is much more likely to detect individuals at risk for late-onset disease, according to a four-fear analysis of data from a pilot newborn screening program. The study “The New York pilot newborn screening program for lysosomal storage diseases: Report of the…