Table 2.
ART Regimens Pre- and Postswitch (All Switches) or at the Time of Switch From TDF to TAF (Maintained Other ARVs)
| All Switches (n = 6451) | Maintained Other ARVs (n = 4328) | ||
|---|---|---|---|
| Preswitch, No. (%) | Postswitch, No. (%) | No. (%) | |
| Pharmaco-enhancer | |||
| Any | 3289 (51) | 3998 (62) | 2494 (58) |
| Ritonavir | 1032 (31) | 405 (10) | 350 (14) |
| Cobicistat | 2269 (69) | 3582 (90) | 2144 (86) |
| Anchor agent | |||
| Protease inhibitor | 1566 (24) | 1228 (19) | 790 (18) |
| Non-nucleoside reverse transcriptase inhibitor | 2319 (36) | 1546 (24) | 1151 (27) |
| Integrase strand transfer inhibitor | 3007 (47) | 4185 (65) | 2657 (61) |
| Other class | 46 (1) | 41 (1) | 30 (1) |
Abbreviations: ARV, antiretroviral; ART, antiretroviral therapy; TAF, tenofovir alafenamide; TDF, tenofovir disoproxil fumarate.