Table 1
(a) Potential first- and second-line NRTI backbones for HIV-2 and dual infection

First-lineSecond-line

AZT/3TCTDF/AZT/3TC or FTC
TDF/FTC or 3TC*TDF/AZT/3TC or FTC
ABC/3TCTDF/AZT/3TC or FTC

*FTC and 3TC are assumed to be essentially equivalent in the table, despite FTC’s possible superiority and 3TC’s possibly lower cost.
(b) Potential first- and second-line PIs for HIV-2 and dual infection

First-lineSecond-line

LPV/rSQV/r or DRV/r
SQV/rLPV/r or DRV/r
IDV/rLPV/r or SQV/r or DRV/r