To evaluate the tolerance, and comparative virologic and immunologic effects of the two combination regimens.

100 patients will be randomized to receive Zerit (Stavudine) + Epivir (Lamivudine) + Crixivan (Indinavir) and 100 patients will be randomized to receive Retrovir (Zidovudine) + Epivir (Lamivudine) + Crixivan (Indinavir).

Patients will be treated for 48 weeks.

Inclusion Criteria

Patients must have:

• Documented HIV infection.
• CD4 cell count of 200 - 700 cells/mm3.

Exclusion Criteria

Co-existing Condition:

Patients with the following symptoms or conditions are excluded:

AIDS defining condition within 1 month of study entry.

Prior Medication:

Excluded:

Patients with any history of antiretroviral therapy treatment.