A Comparison of Lamivudine and Zidovudine, Used Alone and Together, in HIV-Infected Patients Who Have Not Used Zidovudine in the Past

Patients are randomized to one of four treatment arms: 3TC alone, AZT alone, low-dose 3TC plus AZT, or high-dose 3TC plus AZT. Patients receive treatment for 32 weeks, with possible extension to 52 weeks. PER 02/27/95 AMENDMENT: Patients may continue therapy on AZT and low-dose 3TC on an open-label basis. Open-label therapy continues with follow-up every 8 weeks until intolerable toxicity occurs or study terminates.