Amprenavir 600 mg twice daily with ritonavir 100 mg twice daily Atazanavir 300 mg daily with ritonavir 100 mg daily Fosamprenavir 700 mg twice daily with ritonavir 100 mg twice daily Lopinavir 400 mg co-formulated with ritonavir 100 mg twice daily Saquinavir 1000 mg twice daily with ritonavir 100 mg twice daily Tipranvir 500 mg twice daily with ritonavir 200 mg twice daily Darunavir 600 mg twice daily with ritonavir 100 mg twice daily