Safety and Tolerability of Z-100 in Patients With Early HIV Infection

Inclusion Criteria Patients may be eligible for this study if they: * Are HIV positive but do not show symptoms. * Are male or female, 18 years or older. * Have not received treatment for HIV. * Have received treatment but have discontinued HAART for at least 8 weeks prior to screening, have had stable viral loads on at least 2 separate time points at least 1 month apart including screening, and have had stable CD4 levels on at least 2 separate time points at least 1 month apart including screening. * Use birth control while on the study and during the follow-up period. * Have viral loads of 2,000 to 55,000 copies/ml within 2 weeks of randomization. * Have CD4 counts of greater than 350 cells/mm within 2 weeks of randomization. * Have a negative serum pregnancy test within 2 weeks of randomization (women able to have children). Exclusion Criteria Patients will not be eligible for this study if they: * Have failed HAART treatment. * Have opportunistic infection or cancer. * Have a history of tuberculosis. * Have very abnormal laboratory test results. * Have heart, liver, kidney or nervous system conditions. * Have serious problems digesting and absorbing food or have serious long-term diarrhea within 4 * weeks of randomization. * Have received radiation (localized is allowed) or chemotherapy within 30 days before randomization. * Have seizure disorders that cannot be controlled. * Have received any other drugs that affect the immune system or experimental drugs within 60 days before randomization. * Have had any vaccination within 15 days before randomization. * Have a mental condition which makes the patient unable to understand what the study is about and what it involves. * Have a history of alcohol or drug abuse, unless the investigator feels that it will not interfere with participation in the protocol. * Are pregnant or breast-feeding. * Have a history of being very sensitive to the study drug or similar drugs.