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J Infect Dis. 1993 Aug;168(2):444-8.

A dose-ranging study of daily maintenance intravenous foscarnet therapy for cytomegalovirus retinitis in AIDS.

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Department of Medicine, University of California, San Francisco.


Thirty-two patients with AIDS and previously untreated cytomegalovirus retinitis completed an induction course of foscarnet, 60 mg/kg every 8 h for 14 days, had retinitis stabilize, and were then randomly assigned to receive foscarnet maintenance as either a 90- or 120-mg/kg/day infusion administered over 2 h. Median survival was 157 and 336 days for the 90- and 120-mg/kg/day groups, respectively (P < .001). In an independent, masked analysis of retinal photographs, median time to progression of retinitis was 31 versus 95 days (P = .13). Daily intravenous foscarnet at a dose of 120 mg/kg (adjusted for renal function) resulted in significantly longer survival and tended to increase time to retinitis progression compared to the standard 90-mg/kg/day maintenance dose. Although a substantial increase in the risk of serious toxicity at the 120-mg/kg/day dose was not observed, the small sample size in this trial limited the power to detect differences that might be clinically important.

[Indexed for MEDLINE]

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