TABLE 1.
| Patient | No. of time points | 1st-line regimen | Time since initiation of 1st-line treatment (yrs) | 2nd-line regimen | Viral load at final time point (copies/mL) |
|---|---|---|---|---|---|
| 15664 | 6 | d4T, 3TC, FTC | 6.2 | LPV/r, TDF, FTC | 28,655 |
| 16207 | 5 | d4T, 3TC, NVP | 5.9 | LPV/r, TDF, FTC | 56,660 |
| 22763 | 8 | d4T, 3TC, EFV | 6.2 | LPV/r, TDF, 3TC | 15,017 |
| 22828 | 6 | d4T, 3TC, NVP | 6.4 | LPV/r, TDF, 3TC/FTC | 947 |
| 26892 | 7 | d4T, 3TC, EFV | 6 | LPV/r, TDF, FTC | 12,221 |
| 28545 | 5 | TDF, FTC, EFV | 1.3 | LPV/r, AZT, 3TC | 12,964 |
| 29447 | 4 | TDF, FTC, EFV | 2.8 | LPV/r, TDF, FTC | 64,362 |
| 47939 | 3 | d4T, 3TC, EFV | 10.1 | LPV/r, AZT, 3TC/FTC | 6,328 |
Patients initiated and maintained 1st-line regimens for between 1 and 10 years before being switched to 2nd-line regimens as part of the TasP trial. Eight of the nine patients were failing 2nd-line regimens at the final time point.
NRTI: d4T, stavudine; 3TC, lamivudine; TDF, tenofovir; FTC, emtricitabine; AZT, zidovudine. NNRTI: EFV, efavirenz; NVP, nevirapine. PI: LPV/r, lopinavir/ritonavir.