Page 269 - SAHCS HIVMed Journal Vol 20 No 1 2019
P. 269

Page 5 of 10  Original Research


              TABLE 1: Baseline and disease characteristics.
              Characteristic               TDF/FTC/RPV (n = 213)      TDF/FTC/EFV (n = 211)      All patients (n = 424)
                                        n     N     %     s.d.    n     N     %      s.d.     n     N     %     s.d.
              Female                    137   -    64.3    -      134   -    63.5     -      271    -    63.9   -
              Women of childbearing potential  98  137  71.5  -   97   134   72.4     -      195   271   72.0   -
              Mean age, years          40.6   -     -     8.0     40.6  -     -      8.7     40.6   -     -     8.3
              Race
              Black people              157   -    73.7    -      152   -    72.0     -      309    -    72.9   -
              Asian                     51    -    23.9    -      58    -    27.5     -      109    -    25.7   -
              Other                     5     -     2.3    -      1     -     0.5     -       6     -     1.4   -
              Nationality
              Cameroon                  16    -     7.5    -      13    -     6.2     -      29     -     6.8   -
              Kenya                     36    -    16.9    -      37    -    17.5     -      73     -    17.2   -
              Senegal                   17    -     8.0    -      8     -     3.8     -      25     -     5.9   -
              South Africa              33    -    15.5    -      30    -    14.2     -      63     -    14.9   -
              Thailand                  51    -    23.9    -      58    -    27.5     -      109    -    25.7   -
              Uganda                    60    -    28.2    -      65    -    30.8     -      125    -    29.5   -
              Mean BMI (kg/m ) 2       24.25  -     -     4.8    24.11  -     -      5.0    24.18   -     -     4.9
              Mode of HIV infection
              Heterosexual contact      188   -    88.3    -      188   -    89.1     -      376    -    88.7   -
              Men having sex with men   13    -     6.1    -      16    -     7.6     -      29     -     6.8   -
              Other                     12    -     5.6    -      7     -     3.3     -      19     -     4.5   -
              Mean time since diagnosis, years  7.6  -  -  4.6    8.2   -     -      4.8     7.9    -     -     4.7
              Mean time since first ART, years  5.8  -  -  3.3    6.0   -     -      3.3     5.9    -     -     3.3
              Mean CD4+ cell count, cells/mm³  545.3  -  -  228.2  549.3  -   -     207.7   547.3   -     -    218.0
              Hepatitis reactive
                Hepatitis B surface antigen  12  -  5.6    -      10    -     4.7     -      22     -     5.2   -
              Hepatitis C antibody      3     -     1.4    -      5     -     2.4     -       8     -     1.9   -
              NNRTI at screening
              EFV                       115   -    54.0    -      116   -    55.0     -      231    -    54.5   -
              NVP                       98    -    46.0    -      95    -    45.0     -      193    -    45.5   -
              NRTI at screening
              3TC + ZDV                 89    -    41.8    -      89    -    42.2     -      178    -    42.0   -
              3TC + TDF                 117   -    54.9    -      112   -    53.1     -      229    -    54.0   -
              Other                     7     -     3.3    -      10    -     4.7     -      17     -     4.0   -
              3TC, lamivudine; ART, antiretroviral therapy; BMI, body mass index; EFV, efavirenz; FTC, emtricitabine; NNRTI, non-nucleoside reverse transcriptase inhibitor; NRTI, nucleoside reverse transcriptase
              inhibitor; NVP, nevirapine; RPV, rilpivirine; s.d., standard deviation; TDF, tenofovir disoproxil fumarate; ZDV, zidovudine.

                                                                       a                                          b
                                            TDF/FTC/RPV (n = 213)  TDF/FTC/EFV (n = 211)
                                                                                        95% CI for difference
                  100               96.2%                    96.2%
                            93.9%                    93.9%
                                                                                      Favours      Favours
                                                                                   TDF/FTC/EFV     TDF/FTC/RPV
                Pa ents with virologic suppression, %  60
                  80








                  40



                  20                                                            –6.4%   –2.3%    1.8%


                           200/213  203/211         200/213  203/211
                   0
                             < 400 copies/mL           < 50 copies/mL     –10                 0                  10
                                           HIV-1 RNA                                       Percentage
              FIGURE 2: (a) Comparison of TDF/FTC/RPV and TDF/FTC/EFV showing a) % of patients with plasma HIV-1 RNA < 400 copies/mL (primary endpoint) and < 50 copies/mL at
              week 48 (ITT, modified FDA Snapshot analysis) and (b) difference in the primary endpoint between the two arms demonstrating non-inferiority.

                                           http://www.sajhivmed.org.za 262  Open Access
   264   265   266   267   268   269   270   271   272   273   274