 One measurement of an HIV infected persons risk of progressing to AIDS is the number of viral particles of HIV in their blood called a viral load. This study is designed to see if SP01A will lower the amount of HIV in an infected individuals blood. Patients will be assigned by chance to 1 of 4 groups. Neither the patient nor the study doctor or nurse will know which dose of the study drug the patient is taking or if heshe is receiving the placebo a capsule that looks like the study drug but does not contain any active ingredient. 