title: Warning on two specific 3-drug regimens: Viread + Didanosine + either Sustiva or Viramune.
abstract: Two more three-drug antiretroviral regimens have unexpectedly failed to control HIV in many patients. But some related regimens do seem to be working well.
mesh_terms: D000225:Adenine / Q000008:administration & dosage* / Q000031:analogs & derivatives*; D000480:Alkynes; D019380:Anti-HIV Agents / Q000008:administration & dosage / Q000009:adverse effects*; D048588:Benzoxazines; D003521:Cyclopropanes; D016049:Didanosine / Q000008:administration & dosage*; D004359:Drug Therapy, Combination; D015658:HIV Infections / Q000188:drug therapy*; D006801:Humans; D019829:Nevirapine / Q000008:administration & dosage*; D063065:Organophosphonates / Q000008:administration & dosage*; D010078:Oxazines / Q000008:administration & dosage*; D000068698:Tenofovir; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D000480:Alkynes; D019380:Anti-HIV Agents; D048588:Benzoxazines; D003521:Cyclopropanes; D063065:Organophosphonates; D010078:Oxazines; D019829:Nevirapine; D000068698:Tenofovir; D000225:Adenine; C098320:efavirenz; D016049:Didanosine