<qa>  What is the number of viral particles of HIV in the persons blood called?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. 