Adenine--adverse effects Alkynes Anti-HIV Agents--adverse effects Benzoxazines CD4 Lymphocyte Count Carbamates Clinical Trials as Topic Cyclopropanes Dideoxynucleosides--therapeutic use Drug Therapy, Combination Drugs, Investigational Furans HIV Infections--drug therapy HIV Protease Inhibitors--therapeutic use Humans Imidazoles--therapeutic use Kidney Diseases--chemically induced Lopinavir Oxazines--therapeutic use Pyridines--therapeutic use Pyrimidinones--therapeutic use Reverse Transcriptase Inhibitors--therapeutic use Sulfonamides--therapeutic use Viral Load