4.5 Review

Therapeutic thoroughfares for adults living with Pompe disease

Journal

CURRENT OPINION IN NEUROLOGY
Volume 35, Issue 5, Pages 645-650

Publisher

LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/WCO.0000000000001092

Keywords

enzyme replacement therapy; gene therapy; Pompe disease; preventive immune therapy; substrate reduction therapy

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This review provides an overview of therapeutic approaches for adult Pompe disease, including enzyme replacement therapy, gene therapy, and substrate reduction therapy. Recent studies and long-term data have shown promising results, but further research is needed to support the use of these treatments in adult patients.
Purpose of review Pompe disease is caused by autosomal recessive mutations in the acid alpha-glucosidase gene leading to a multiorgan deficiency of the enzyme acid glucosidase alfa. To recover to a nondiseased status, a lift over a threshold of 25% acid glucosidase alfa enzyme activity is required. This update on therapeutic thoroughfares for adult Pompe disease aims to assist neuromuscular and metabolic specialists. Recent findings We reviewed the recent studies covering enzyme replacement therapy, gene therapy, and substrate reduction therapy in adult Pompe disease. Results of phase 3 studies and the first sets of long-term data of both novel enzyme replacement therapies, avalglucosidase alfa, and ciplaglucodsidase alfa combined with miglustat, are public. First gene therapy trials are ongoing. Substrate reduction therapy is in early transition to the clinical trial phase. We still miss dose escalation and intensification of frequency trials on enzyme replacement therapy in adults, probably suitable to echo current results in infantile and juvenile Pompe disease. Summary Therapy of Pompe disease reaches new thoroughfares reducing the overall disease burden of patients; however, individualization of these novel therapeutic options remains challenging. Consensus-based and shared decision-based recommendations need to be established based on reliable real-world data to allow the best standards of care worldwide.

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