Human immunodeficiency virus (HIV)-1-infected, clinically stable, treatment-naïve adult participants who have completed 96 weeks of elvucitabine therapy and whose HIV ribonucleic acid (RNA) levels remain below 50 copies/milliliter (mL) at the 92-week assessment in Protocol ACH443-015 or participants who have completed 48 weeks of elvucitabine therapy and continue to maintain an HIV-1 RNA viral load below their baseline level upon entry into Protocol ACH443-018.
