Long-Term Efficacy and Safety Extension Study of BMN 110 in Patients With Mucopolysaccharidosis IVA (Morquio A Syndrome)

"In Part 1, patients will receive intravenous (IV) infusions of study drug at a dose of 2.0 mg/kg/qw administered over a period of approximately 4 hours once a week.~In Part 2, patients will continue to receive 2.0 mg/kg of BMN 110 every week, with no placebo."

"In Part 1, patients will receive intravenous (IV) infusions of study drug at a dose of 2.0 mg/kg administered over a period of approximately 4 hours every other week. Patients randomized to the 2.0 mg/kg/qow arm will receive infusions of placebo on alternating weeks, to mask active drug weeks.~In Part 2, patients will receive 2.0 mg/kg of BMN 110 every week, with no placebo."