Patienterne fik 20 mg/ kg Myozyme hver anden uge i 52 uger med undtagelse af 8 patienter, der fik 40 mg/ kg efter mindst 26 ugers behandling.
Patients received 20 mg/ kg Myozyme every other week for 52 weeks except for 8 patients who received 40 mg/ kg after at least 26 weeks of treatment.