PURPOSE: To prospectively compare 2 immunosupressive regimens in patients with active Vogt-Koyanagi-Harada disease in spite of systemic glucocorticoid treatment. METHODS: Forty-four patients were diagnosed between 1998 and 2005. Twenty-one developed chronic intraocular inflammation in spite of glucocorticoid treatment and were randomized to receive either prednisone and azathioprine (AZA) (n = 12) or prednisone and cyclosporine (CyA) (n = 9). RESULTS: In the AZA group Tyndall score decreased from 1.21 +/- 1.10 to 0.29 +/- 0.62 (p < .01), and visual acuity (LogMAR) improved from 0.32 +/- 0.35 to 0.09 +/- 0.16 (p < .001). In the CyA group Tyndall score decreased from 1.67 +/- 1.08 to 0.16 +/- 0.51 (p < .001), and visual acuity improved from 0.41 +/- 0.40 to 0.25 +/- 0.42 (p < .001). Patients in the AZA group needed a significantly higher average prednisone dose and total cumulative dose than those in the CyA group, p < .01 for each comparison. CONCLUSIONS: Both regimens showed a good clinical efficacy, but CyA seems to be a better glucocorticoid-sparing agent than AZA.
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