OBJECTIVES: I. Establish a computerized databank to monitor the progress of patients with cystinosis treated with cysteamine.
II. Track and monitor all patients including renal transplant, dialysis and post renal transplants.
PROTOCOL OUTLINE:
Data are collected from patients and physicians. Information includes disease, treatment, family history, demographic, and physical exam data. The dates of kidney transplantation and/or dialysis initiation are also recorded.
PROTOCOL ENTRY CRITERIA:
Nephropathic cystinosis diagnosis by white-cell cystine measurement, including infantile and late-onset forms