Intrathecal enzyme replacement for cognitive decline in mucopolysaccharidosis type I, a randomized, open-label, controlled pilot study.

Chen AH, Harmatz P, Nestrasil I, Eisengart JB, King KE, Rudser K, Kaizer AM, Svatkova A, Wakumoto A, Le SQ, Madden J, Young S, Zhang H, Polgreen LE, Dickson PI