FDA OKs Amicus Pompe Disease Combo Drugs

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FDA has approved an Amicus Therapeutics NDA for Pombiliti (cipaglucosidase alfa-atga) in combination with Opfolda (miglustat) 65mg capsules for treating adults living with late-onset Pompe disease weighing more than 40 kg and who are not improving on their current enzyme replacement therapy (ERT). Amicus says the rare, life-threatening lysosomal disorder is caused by a deficiency of the enzyme acid alpha-glucosidase (GAA). “Reduced levels of GAA lead to the accumulation of the substrate glycogen in the lysosomes of muscle cells and glycogen buildup causes muscle damage,” it says.

Approval was based on data from the Phase 3 PROPEL study that showed clinically meaningful and positive changes in the key manifestations of this disease for patients taking the drug combination, according to the company. “Particularly impressive are the clinically significant improvements in musculoskeletal and respiratory endpoints for patients switching from ERT standard of care to [the drug combination] AT-GAA,” it says.

Pombiliti is described as a recombinant human GAA enzyme that is designed for increased uptake into muscle cells. “Once in the cell, Pombiliti can be properly processed into its most active and mature form to break down glycogen,” Amicus says. “Opfolda is an enzyme stabilizer designed to stabilize the enzyme in the blood.”

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