Figure 3
From: A phase I/II study of intrathecal idursulfase-IT in children with severe mucopolysaccharidosis II

Observed GAG concentrations in CSF for individual patients by scheduled study week visit and treatment group: (a) 10 mg, (b) 30 mg, (c) 1 mg, and (d) No-Treatment. CSF, cerebrospinal fluid; GAG, glycosaminoglycan.