Enantiomer/
Treatment |
Variables |
Cmax,
(ng/mL) |
tmax,
(h) |
t1/2
(h) |
AUC
(ng*h/mL) |
Cl /F
(L/h/kg) |
Vz
(L/kg) |
AUCoral/AUCIV |
(R)-enantiomer desvenlafaxine |
IV desvenlafaxine
50 mg/1 h |
Mean (SD)
%CV
Geo. Mean
Min-Max |
111.5 (25.5)
23%
108.8
78.4–156.1 |
1.0 (0.03)
3%
1.0
1.0–1.1 |
9.9 (3.1)
31%
9.5
6.2–17.7 |
1173 (291)
25%
1134
577–1590 |
0.280 (0.076)
27%
0.272
0.192–0.450 |
3.857 (1.058)
27.4%
3.736
2.055–6.772 |
|
Oral desvenlafaxine
100 mg |
Mean (SD)
%CV
Geo. Mean
Min-Max |
76.7 (20.0)
26%
74.2
41.8–115.1 |
7.0 (2.6)
37%
6.6
4.0–12.0 |
10.3 (1.9)
19%
10.1
6.7–14.0 |
1915 (615)
32%
1785
481–2828 |
|
|
0.804
(0.155)
19.3%
0.787
0.417–
1.053 |
(S)-enantiomer desvenlafaxine |
IV desvenlafaxine
50 mg/1 h |
Mean (SD)
%CV
Geo. Mean
Min-Max |
120.2 (27.6)
23%
117.3
85.0–176.0 |
1.0 (0.03)
3%
1.0
1.0–1.1 |
9.5 (2.0)
21%
9.3
6.4–12.2 |
1262 (299)
24%
1224
652–1634 |
0.259 (0.065)
25%
0.252
0.185–0.398 |
3.397 (0.504)
14.8%
3.362
2.441–4.295 |
|
Oral desvenlafaxine
100 mg |
Mean (SD)
%CV
Geo. Mean
Min-Max |
83.1 (22.3)
27%
80.2
47.7–128.2 |
6.6 (2.1)
33%
6.3
4 .0–12.0 |
10.2 (2.0)
20%
10.0
6.9–14.5 |
2057 (643)
31%
1925
542–3017 |
|
|
0.804
(0.155)
19.3%
0.787
0.416–
1.050 |
Racemic (R+S) desvenlafaxine |
IV desvenlafaxine
50 mg/1 h |
Mean (SD)
%CV
Geo. Mean
Min-Max |
231.6 (53.0)
23%
226.2
163.4–332.1 |
1.0 (0.03)
3%
1.0
1.0–1.1 |
9.8 (2.1)
21%
9.6
7.3–13.9 |
2442 (585)
24%
2366
1233–3261 |
0.268 (0.068)
26%
0.260
0.188–0.420 |
3.664 (0.546)
14.9%
3.624
2.529–4.468 |
|
Oral desvenlafaxine
100 mg |
Mean (SD)
%CV
Geo. Mean
Min-Max |
159.6 (42.2)
27%
154.3
89.4–243.3 |
6.4 (2.1)
33%
6.1
4.0–12.0 |
10.4 (2.0)
19%
10.2
6.9–14.3 |
3993 (1271)
32%
3728
1023–5844 |
|
|
0.805
(0.157)
19.6%
0.788
0.415–
1.059 |