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Updated: Oct 8, 2025

In Vitro Enzyme Measurement to Test Pharmacological Chaperone Responsiveness in Fabry and Pompe Disease
Published on: December 20, 2017
COVID-19 infection in patients with late-onset Pompe disease
Jennifer Avelar1, Marie Wencel1, Anastasia Chumakova1
1Department of Neurology, University of California Irvine, Orange, California, USA.
Introduction/Aims:
Severe acute respiratory syndrome coronavirus-2 2019 (SARS-CoV2/COVID-19) is frequently more severe in individuals with pre-existing respiratory and cardiovascular conditions. The impact on patients with neuromuscular disorders is of concern, but remains largely unknown. Late-onset Pompe disease (LOPD) is a lysosomal-storage disorder characterized by progressive skeletal and respiratory muscle degeneration. Mortality is typically caused by respiratory failure. We examined the impact of COVID-19 on these patients.
Methods:
This is a case series of four patients with LOPD who contracted COVID-19.
Results:
All patients had a mild/moderate illness from COVID-19 and did not require hospitalization. Neurological worsening occurred in one, with no change in physical ability in the other three, and respiratory symptoms remained stable in all four.
Discussion:
COVID-19 infection can result in a benign course in some patients with LOPD. However, individuals with LOPD remain at high risk and should receive COVID-19 vaccinations and exercise precautions to avoid exposure to COVID-19 infection.
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