Table 1.
Clinical characteristics; genotypes; drug resistance mutations of the five patients.
| Patient | Age (years) | Sex | CD4+ T cell count (cells/μl) | Viral load (copies/ml) | Duration of taking azvudine (days) | ART regimen | HIV-1 subtype | RT mutations |
| 1 | 39 | Male | 4.39 | 675 000 | 6 | B/F/TAF | CRF01_AE | NRTI mutations: M184I NNRTI mutations: none RT other mutations: G141X;I142E;R143N;Y144I;Q145S;Y146V;E305X |
| 2 | 26 | Male | 20.25 | 923 000 | 14 | Switched from 3TC/DTG to 3TC/DTG+TDF | CRF01_AE | NRTI mutations: M184I NNRTI mutations: none RT other mutations: I142G;Y144L;Q145L;Y146V;E305X |
| 3 | 40 | Male | 70.46 | 2 200 000 | 4 | B/F/TAF | CRF07_BC | NRTI mutations: M184I NNRTI mutations: none RT other mutations: R143M;Y144E;Q145S;Y146V;E305X |
| 4 | 25 | Male | 16.43 | 127 000 | 5 | B/F/TAF | CRF01_AE | NRTI mutations: M184I NNRTI mutations: none RT other mutations: K238X;S251K;Q258H;V261R;N265R;A267GS268R;I270F |
| 5 | 53 | Male | 14.63 | 2 740 000 | 3 | B/F/TAF | CRF01_AE | NRTI mutations: M184I NNRTI mutations: none RT other mutations: L289∗;T290Q;E2911;V292∗;I293S;L295S |
3TC, lamivudine; ART, antiretroviral therapy; B, bictegravir; DTG, dolutegravir; F, emtricitabine; GRT, genotypic resistance testing; NNRTI, nonnucleoside reverse transcriptase inhibitor; NRTI, nucleoside reverse transcriptase inhibitor; RT, reverse transcriptase; TAF, tenofovir alafenamide; TDF, tenofovir disoproxil.