Background: Fabry disease (FD) is caused by an X-linked deficiency in the activity of alpha-galactosidase A and the resultant accumulation of globotriaosylceramide (Gb3) in multiple tissues. Nearly all classically affected males with FD experience kidney dysfunction, with progression to end-stage renal disease (ESRD) in the third decade of life or shortly thereafter.
Methods: Twenty-two FD patients (20 men and 2 women) receiving dialysis or who had a history of kidney transplantation were treated with agalsidase alfa in an open label setting using the same dosing regimen given to patients without ESRD (0.