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. 2023 Apr 19;13:1130101. doi: 10.3389/fcimb.2023.1130101

Table 3.

Concentrations of EVG, TAF and TFV (ng/mL) in vaginal fluid.

Analyte Visit Statistical Measures * Group 1
4 hours at Visit 3 and 48 hours at Visit 4
(N=8)
Group 2
24 hours at Visit 3 and 72 hours at Visit 4
(N=8)
EVG (ng/mL)
vaginal fluid
Visit 3 n 8 7
Mean (SD) 2,201,502 (1,741,831) 323,378 (278,363)
Median (Q1, Q3) 1,507,362 (1,054,818, 2,802,391) 177,765 (95,935, 649,951)
Number (%) with BLQ 0 (0.0%) 0 (0.0%)
Visit 4 n 8 7
Mean (SD) 25,668 (14,044) 31,204 (52,647)
Median (Q1, Q3) 26,090 (16,037, 33,252) 4,816 (1,535, 65,403)
Number (%) with BLQ 0 (0.0%) 0 (0.0%)
Visit 5 n 8 8
[7 days post-dose] Mean (SD) 923 (1,915) 1,804 (2,453)
Median (Q1, Q3) 199 (37, 657) 376 (38, 3,556)
Number (%) with BLQ 0 (0.0%) 1 (12.5%)
TAF (ng/mL)
vaginal fluid
Visit 3 n 8 7
Mean (SD) 3,662,350 (4,966,790) 368,539 (251,283)
Median (Q1, Q3) 2,319,007 (1,267,333, 3,249,263) 340,854 (232,508, 474,736)
Number (%) with BLQ 0 (0.0%) 0 (0.0%)
Visit 4 n 8 7
Mean (SD) 12,471 (15,094) 5,380 (6,788)
Median (Q1, Q3) 4,278 (122, 27,786) 953 (16, 13,608)
Number (%) with BLQ 0 (0.0%) 1 (14.3%)
Visit 5 n 8 8
[7 days post-dose] Mean (SD) 10 (17) 22 (51)
Median (Q1, Q3) 0.76 (0.01, 19.06) 0.79 (0.01, 13.50)
Number (%) with BLQ 4 (50.0%) 3 (37.5%)
TFV (ng/mL)
vaginal fluid
Visit 3 n 8 7
Mean (SD) 241,795 (155,893) 227,198 (174,859)
Median (Q1, Q3) 227,644 (142,779, 332,234) 210,543 (60,496, 342,268)
Number (%) with BLQ 0 (0.0%) 0 (0.0%)
Visit 4 n 8 7
Mean (SD) 28,511 (19,961) 21,674 (18,390)
Median (Q1, Q3) 19,961 (14,608, 37,790) 17,098 (9,004, 28,946)
Number (%) with BLQ 0 (0.0%) 0 (0.0%)
Visit 5: n 8 8
[7 days post-dose] Mean (SD) 4,353 (3,645) 2,919 (2,386)
Median (Q1, Q3) 3,592 (2,484, 4,668) 2,651 (1,052, 4,059)
Number (%) with BLQ 0 (0.0%) 0 (0.0%)

*Means and Medians do not include BLQ values.