A Study of Foscarnet in the Treatment of HIV Infection in Patients Who Have Taken Zidovudine for a Long Time

Summary

To study the toxicity, pharmacokinetics, and antiretroviral effectiveness of combined oral zidovudine (AZT) and intermittent intravenous foscarnet therapy in stable AIDS or AIDS related complex (ARC) patients who have already received AZT for 8 - 52 weeks. It is hypothesized that the maximum AZT antiretroviral effect, which occurs at 8 weeks of therapy, will be enhanced by 2 weeks of foscarnet treatment, given at the same time by intermittent intravenous infusion. In addition, the further lowering of serum p24 antigen concentration that should occur during combined therapy might continue when oral AZT therapy is continued without foscarnet.

Timeline

Start

—

Primary completion

—

Completion

1991-06

Publications

• Background Jacobsen MA, van der Horst C, Causey DM, Dehlinger M, Hafner R, Mills J. In vivo additive antiretroviral effect of combined zidovudine and foscarnet therapy for human immunodeficiency virus infection (ACTG Protocol 053). J Infect Dis. 1991 Jun;163(6):1219-22. doi: 10.1093/infdis/163.6.1219.
• Background Aweeka FT, Gambertoglio JG, van der Horst C, Raasch R, Jacobson MA. Pharmacokinetics of concomitantly administered foscarnet and zidovudine for treatment of human immunodeficiency virus infection (AIDS Clinical Trials Group protocol 053). Antimicrob Agents Chemother. 1992 Aug;36(8):1773-8. doi: 10.1128/AAC.36.8.1773.

Drugs

Indications