A Randomized, Double-Blind Active-Controlled, Dose-Ranging Study of the Safety and Efficacy of Chronically Administered MDL 28,574A in the Treatment of HIV-Infected Patients

To characterize the safety and efficacy of fixed doses of MDL 28,574A administered alone and in combination with zidovudine ( AZT ) in patients with asymptomatic or mildly symptomatic HIV infection. To examine the demographic effects on population pharmacokinetics and pharmacodynamics of MDL 28,574A alone and in combination with AZT.