What was the mean plasma elimination half-life of alglucosidase alfa in infants who started treatment for infantile-onset Pompe disease before 6 months of age?

The mean plasma elimination half-life of alglucosidase alfa (Myozyme) was 2.75 hours in both the 20 mg/kg and 40 mg/kg dose groups of infants with infantile-onset Pompe disease who started treatment before 6 months of age.