Skip to main content
. 2018 Jan 12;57(8):1001–1015. doi: 10.1007/s40262-017-0607-4

Table 4.

Pharmacokinetic parameters of vilaprisan (VPR) parent after single oral or intravenous administration of VPR without or with concomitant administration of itraconazole (ITZ) 200 mg/day

Study MB study
VPRa
Oral
DDI study
VPRb
Oral
DDI study
VPR + ITZc
Oral
MT sub-study
VPRd
Intravenous
Treatment
Route of administration
Parameter Unit N = 6 N = 14 N = 14 N = 7
gMean (CV%) [Range] gMean (CV%) [Range] gMean (CV%) [Range] gMean (CV%) [Range]
AUC µg·h/L 324 (38.0) [217–504] 325 (42.3) [191–607] N/C 2170 (35.9) [1410–3500]
AUC0–24 µg·h/L N/C 146 (29.5) [95.8–217] 302 (18.9) [238–388] 980 (26.2) [731–1330]
AUC0–3d µg·h/L N/C 247 (33.4) [153–393] 740 (18.1) [586–970] N/C
AUC0–11d µg·h/L N/C 321 (41.3) [190–580] 2000 (18.4) [1520–2740] N/C
AUC0-tlast µg·h/L 317 (38.3) [212–495] 317 (42.6) [184–591] 2000 (18.4) [1520–2730] 2100 (35.4) [1340–3300]
C max µg/L 24.9 (38.5) [15.3–41.2] 16.6 (32.3) [9.14–24.5] 29.5 (19.5) [21.9–38.7] 277 (29.7) [168–389]
t 1/2 h 31.6 (24.7) [22.6–44.1] 38.9 (20.7) [29.0–60.7] N/C 42.4 (20.7) [28.6–56.7]
t max h 1.00e [1.00–2.00] 2.50e [1.42–4.00] 2.25e [1.50–3.00] 0.483e [0.333–0.483]
t last h 144e [120–240] 204e [144–312] 263e [263–263] 215e [167–215]
CL/F or CL L/h 15.1 (38.0) [9.7–22.4] 12.3 (42.3) [6.59–21.0] N/C 7.22 (35.9) [4.47–11.1]
Vz/F or Vz L 691 (27.4) [492–978] N/C N/C 442 (33.8) [302–713]
V ss L 359 (23.4) [277–479]
MRTIV h 49.7 (19.1) [38.0–68.3]
F % 61.1 [53.1–69.5]

AUC0–t area under the concentration–time curve from time zero to time t, CL total body clearance of drug from plasma calculated after intravenous administration, CL/F total body clearance of drug from plasma calculated after oral administration (apparent oral clearance), Cmax maximum plasma concentration, CV% coefficient of variation [%], DDI drug–drug interaction, F absolute oral bioavailability, gMean geometric mean, MB mass balance, MRTIV mean residence time after intravenous administration, MT microtracer, N/C not calculated, t1/2 terminal half-life, tlast time of last concentration above lower limit of quantitation, tmax time to reach Cmax, Vss volume of distribution at steady state, Vz volume of distribution during terminal phase

Figures were rounded to three significant digits

F was calculated as follows: F=AUCPOAUCIV×DoseIVDosePO

a[14C]VPR 5 mg

bVPR 4 mg

cVPR 4 mg on the fourth day of concomitant treatment with ITZ 200 mg/day

dIntravenous microdose of [14C]VPR 15.7 µg (37 KBq) 1.5–2 h after oral administration of VPR 4 mg (30-min infusion)

eMedian (range)