A review of treatment of Pompe disease in infants
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Published on: December 20, 2017
Yin-Hsiu Chien1, Wuh-Liang Hwu
1Departments of Pediatrics and Medical Genetics, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan.
Insights
Pompe disease (GSD-II) is a rare genetic disorder caused by a deficit in the acid alpha-glucosidase (GAA) enzyme. Enzyme replacement therapy with alglucosidase alfa has shown promise in improving outcomes for affected infants.
Area of Science:
- Biochemistry
- Genetics
- Pediatric Medicine
Background:
- Glycogen Storage Disease Type II (GSD-II), or Pompe disease, results from a deficiency of the lysosomal enzyme acid alpha-glucosidase (GAA).
- Infantile Pompe disease presents with severe hypotonia, muscle weakness, feeding difficulties, and cardiorespiratory compromise, leading to a median age at death of 8.7 months in untreated cases.
Purpose of the Study:
- To review the history, clinical manifestations, and current treatment landscape of Pompe disease.
- To focus on the development and efficacy of alglucosidase alfa, an enzyme replacement therapy for Pompe disease.
Main Methods:
- Retrospective analysis of patient data to determine survival rates.
- Review of literature on the development and clinical application of alglucosidase alfa.
Main Results:
- Enzyme replacement therapy (ERT) with alglucosidase alfa has demonstrated significant benefits.
- ERT has been shown to prolong survival, improve cardiac function (reverse cardiomyopathy), and enhance motor function in infants with Pompe disease.
Conclusions:
- Alglucosidase alfa represents a significant advancement in the treatment of Pompe disease, offering improved outcomes for affected individuals.
- Ongoing research and development are crucial for further optimizing Pompe disease management and exploring future therapeutic strategies.
Abstract:
The glycogen storage disease type II (GSD-II), or Pompe disease, is due to the deficit of lysosomal glycogen degradation enzyme acid alpha-glucosidase (GAA). In infants, Pompe disease is characterized by prominent hypotonia, muscle weakness, motor delay, feeding problems, and respiratory and cardiac insufficiency. In a retrospective study, the median age at death was 8.7 months. Enzyme replacement therapy with recombinant human GAA is recently used to treat patients with Pompe disease, and has been shown to prolong survival, reverse cardiomyopathy, and improve motor function. This article briefly reviews the history and manifestations of Pompe disease, and then focuses on the development of the drug for Pompe disease, alglucosidase alfa. Current status of treatment and future developments are also discussed.
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