Combining d4T/ddI looks promising.
D000163:Acquired Immunodeficiency Syndrome / Q000188:drug therapy* / Q000382:microbiology / Q000821:virology; D000998:Antiviral Agents / Q000008:administration & dosage* / Q000627:therapeutic use; D018791:CD4 Lymphocyte Count; D016049:Didanosine / Q000008:administration & dosage* / Q000627:therapeutic use; D004359:Drug Therapy, Combination; D006678:HIV / Q000302:isolation & purification; D006801:Humans; D018894:Reverse Transcriptase Inhibitors / Q000008:administration & dosage* / Q000627:therapeutic use; D018119:Stavudine / Q000008:administration & dosage* / Q000627:therapeutic use
D000998:Antiviral Agents; D018894:Reverse Transcriptase Inhibitors; D018119:Stavudine; D016049:Didanosine