Concentrations of CPT-11 and its metabolites after three i.v. infusions of 90 min a
Time (h) . | Concentration (nm) CPT-11 . | . | Concentration (nm) SN-38 . | . | . | |||
---|---|---|---|---|---|---|---|---|
. | Lactone . | Carbox . | Lactone . | Carbox . | SN-38 glu . | |||
Cycle 1 | ||||||||
−0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||
1.5 | 1338.2 | 1214.7 | 22.6 | 20.6 | 206.9 | |||
1.6 | 708.8 | 956.4 | 23.4 | 20.4 | 219.7 | |||
1.7 | 603.7 | 1025.7 | 22.1 | 21.0 | 241.1 | |||
2.0 | 574.6 | 1182.1 | 22.5 | 23.4 | 243.5 | |||
2.5 | 468.1 | 1139.6 | 22.0 | 22.8 | 291.7 | |||
3.5 | 365.1 | 1129.0 | 15.7 | 22.2 | 344.5 | |||
5.5 | 292.5 | 970.9 | 12.9 | 16.1 | 369.7 | |||
9.6 | 239.6 | 801.3 | 11.0 | 14.7 | 414.6 | |||
25.5 | 87.3 | 287.3 | 8.5 | 10.6 | 321.8 | |||
50.0 | 43.2 | 137.1 | 6.6 | 11.5 | 330.3 | |||
74.0 | 24.9 | 75.2 | 5.5 | 10.9 | 282.5 | |||
148.0 | 5.8 | 17.2 | 4.2 | 9.1 | 100.6 | |||
167.6 | 5.0 | 13.3 | 3.5 | 8.7 | 97.5 | |||
191.4 | n.d. | 4.6 | n.d.b | 5.9 | 79.1 | |||
412.9 | n.d. | n.d. | n.d. | n.d. | 5.9 | |||
435.1 | n.d. | n.d. | n.d. | n.d. | 6.1 | |||
506.6 | n.d. | n.d. | n.d. | n.d. | 4.2 | |||
Cycle 2 | ||||||||
1.5 | 202.2 | 296.0 | 12.1 | 20.2 | 77.5 | |||
9.2 | 71.0 | 180.8 | 4.1 | 12.4 | 193.1 | |||
24.8 | 24.6 | 64.7 | n.d. | 4.9 | 173.4 | |||
47.7 | 10.8 | 30.5 | 3.2 | 3.7 | 149.9 | |||
73.2 | 4.6 | 12.3 | n.d. | n.d. | 72.6 | |||
124.2 | n.d. | n.d. | n.d. | n.d. | 24.6 | |||
163.9 | n.d. | n.d. | n.d. | n.d. | 15.1 | |||
Cycle 3 | ||||||||
1.5 | 268.5 | 298.7 | 17.9 | 17.6 | 96.8 | |||
24.2 | 20.8 | 61.3 | 3.1 | 5.5 | 165.2 | |||
46.3 | 6.6 | 24.4 | 2.7 | 4.1 | 95.4 | |||
70.7 | n.d. | 13.0 | n.d. | 3.3 | 66.8 | |||
118.7 | n.d. | 3.9 | n.d. | n.d. | 44.4 |
Time (h) . | Concentration (nm) CPT-11 . | . | Concentration (nm) SN-38 . | . | . | |||
---|---|---|---|---|---|---|---|---|
. | Lactone . | Carbox . | Lactone . | Carbox . | SN-38 glu . | |||
Cycle 1 | ||||||||
−0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||
1.5 | 1338.2 | 1214.7 | 22.6 | 20.6 | 206.9 | |||
1.6 | 708.8 | 956.4 | 23.4 | 20.4 | 219.7 | |||
1.7 | 603.7 | 1025.7 | 22.1 | 21.0 | 241.1 | |||
2.0 | 574.6 | 1182.1 | 22.5 | 23.4 | 243.5 | |||
2.5 | 468.1 | 1139.6 | 22.0 | 22.8 | 291.7 | |||
3.5 | 365.1 | 1129.0 | 15.7 | 22.2 | 344.5 | |||
5.5 | 292.5 | 970.9 | 12.9 | 16.1 | 369.7 | |||
9.6 | 239.6 | 801.3 | 11.0 | 14.7 | 414.6 | |||
25.5 | 87.3 | 287.3 | 8.5 | 10.6 | 321.8 | |||
50.0 | 43.2 | 137.1 | 6.6 | 11.5 | 330.3 | |||
74.0 | 24.9 | 75.2 | 5.5 | 10.9 | 282.5 | |||
148.0 | 5.8 | 17.2 | 4.2 | 9.1 | 100.6 | |||
167.6 | 5.0 | 13.3 | 3.5 | 8.7 | 97.5 | |||
191.4 | n.d. | 4.6 | n.d.b | 5.9 | 79.1 | |||
412.9 | n.d. | n.d. | n.d. | n.d. | 5.9 | |||
435.1 | n.d. | n.d. | n.d. | n.d. | 6.1 | |||
506.6 | n.d. | n.d. | n.d. | n.d. | 4.2 | |||
Cycle 2 | ||||||||
1.5 | 202.2 | 296.0 | 12.1 | 20.2 | 77.5 | |||
9.2 | 71.0 | 180.8 | 4.1 | 12.4 | 193.1 | |||
24.8 | 24.6 | 64.7 | n.d. | 4.9 | 173.4 | |||
47.7 | 10.8 | 30.5 | 3.2 | 3.7 | 149.9 | |||
73.2 | 4.6 | 12.3 | n.d. | n.d. | 72.6 | |||
124.2 | n.d. | n.d. | n.d. | n.d. | 24.6 | |||
163.9 | n.d. | n.d. | n.d. | n.d. | 15.1 | |||
Cycle 3 | ||||||||
1.5 | 268.5 | 298.7 | 17.9 | 17.6 | 96.8 | |||
24.2 | 20.8 | 61.3 | 3.1 | 5.5 | 165.2 | |||
46.3 | 6.6 | 24.4 | 2.7 | 4.1 | 95.4 | |||
70.7 | n.d. | 13.0 | n.d. | 3.3 | 66.8 | |||
118.7 | n.d. | 3.9 | n.d. | n.d. | 44.4 |