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. 2015 Jun 26;80(3):548–559. doi: 10.1111/bcp.12703

Table 2.

(Weight-corrected) midazolam systemic and apparent oral clearance, (weight-corrected) tacrolimus dose requirements, dose-corrected tacrolimus initial concentration (C0) and area under the plasma concentration–time curve from 0 to 12 h (AUC0–12), and (weight-corrected) tacrolimus steady-state clearance (CL) over time

D7 M1 M3 M6 M12 Pvalue
MDZ IV CL (ml min–1)
All 494 ± 204 (n = 35)a 369 ± 135 (n = 28)b 373 ± 141 (n = 64)b 341 ± 134 (n = 21)b 341 ± 125 (n = 46)b <0.001
CsA 290 ± 98 (n = 6)a 250 ± 77 (n = 5)a 255 ± 58 (n = 7)a 241 ± 83 (n = 5)a 279 ± 87 (n = 9)a 0.843
Tac 535 ± 196 (n = 29)a 395 ± 131 (n = 23)b 388 ± 142 (n = 57)b 373 ± 133 (n = 16)b 356 ± 129 (n = 37)b <0.001
  Tac CYP3A5*1/*3 460 ± 258 (n = 5)a 274 ± 125 (n = 3)a 389 ± 190 (n = 0)a 262 ± 39 (n = 2)a 368 ± 108 (n = 9)a 0.120
  Tac CYP3A5*3/*3 552 ± 184 (n = 24)a 413 ± 125 (n = 20)b 388 ± 132 (n = 47)b 388 ± 135 (n = 14)b 352 ± 137 (n = 28)b <0.001
MDZ IV Cl/weight (ml min–1 kg–1)
All 7.1 ± 3.2 (n = 35)a 5.5 ± 2.5 (n = 28)b 5.3 ± 2.1 (n = 64)b 4.9 ± 2.1 (n = 21)b 4.7 ± 1.6 (n = 46)b <0.001
CsA 4.1 ± 1.7 (n = 6)a 3.4 ± 1.0 (n = 5)a 3.5 ± 1.2 (n = 7)a 3.2 ± 1.3 (n = 5)a 4.2 ± 2.0 (n = 9)a 0.863
Tac 7.7 ± 3.1 (n = 29)a 5.9 ± 2.2 (n = 23)b 5.5 ± 2.1 (n = 57)b 5.5 ± 2.0 (n = 16)b 4.7 ± 1.5 (n = 37)b <0.001
  Tac CYP3A5*1/*3 6.7 ± 4.4 (n = 5)a 4.6 ± 2.7 (n = 3)a 5.6 ± 2.8 (n = 10)a 4.5 ± 1.4 (n = 2)a 5.4 ± 1.5 (n = 9)a 0.127
  Tac CYP3A5*3/*3 7.9 ± 2.9 (n = 24)a 6.1 ± 2.1 (n = 20)b 5.5 ± 1.9 (n = 47)b 5.6 ± 2.1 (n = 14)b 4.7 ± 1.1 (n = 28)b <0.001
MDZ PO Cl/F (ml min–1)
All 924 ± 443 (n=35)a 730 ± 344 (n=29)b 685 ± 285 (n=66)b 611 ± 324 (n=22)b 694 ± 323 (n=50)b <0.001
CsA 579 ± 227 (n = 6)a 505 ±171 (n = 6)a 404 ± 89 (n = 7)a 431 ± 151 (n = 5)a 531 ± 240 (n = 10)a 0.605
Tac All 996 ± 445 (n = 29)a 789 ± 356 (n = 23)b 719 ± 282 (n = 59)b 664 ± 345 (n = 17)b 735 ± 331 (n = 40)b <0.001
  Tac CYP3A5*1/*3 833 ± 494 (n = 5)a 473 ± 305 (n = 3)a 707 ± 332 (n = 10)a 344 ± 35 (n = 2)a 797 ± 266 (n = 10)a 0.183
  Tac CYP3A5*3/*3 1031 ± 438 (n = 24)a 836 ± 344 (n = 20)b 721 ± 274 (n = 49)b 708 ± 344 (n = 15)b 715 ± 351 (n = 30)b 0.001
MDZ PO Cl/F/weight (ml min–1 kg–1)
All 13.2 ± 6.5 (n = 35)a 10.7 ± 5.2 (n =2 9)b 9.8 ± 4.4 (n = 66)b 8.6 ± 4.4 (n = 22)b 9.7 ± 4.3 (n = 50)b <0.001
CsA 8.5 ± 4.2 (n = 6)a 7.0 ± 2.2 (n = 6)a 5.6 ± 1.9 (n = 7)a 5.8 ± 2.3 (n = 5)a 8.1 ± 5.3 (n = 10)a 0.584
Tac All 14.1 ± 6.6 (n = 29)a 11.7 ± 5.3 (n = 23)b 10.3 ± 4.4 (n = 59)b 9.5 ± 4.5 (n = 17)b 10.1 ± 3.9 (n = 40)b 0.001
  Tac CYP3A5*1/*3 12.3 ± 8.6 (n = 5)a 8.0 ± 6.2 (n = 3)a 10.1 ± 5.1 (n = 10)a 5.8 ± 2.0 (n = 2)a 11.6 ± 3.7 (n = 10)a 0.314
  Tac CYP3A5*3/*3 14.5 ± 6.2 (n = 24)a 12.3 ± 5.1 (n = 20)b 10.4 ± 4.3 (n = 49)b 10.0 ± 5.0 (n = 15)b 9.6 ± 3.9 (n = 30)b <0.001
Tac C0 (ng ml–1)
Tac All 12.5 ± 3.7 (n = 29)a 13.0 ± 3.3 (n = 23)a 12.5 ± 2.9 (n = 59)a 11.9 ± 3.3 (n= 1 7)a 11.3 ± 3.1 (n = 40)a 0.223
Tac CYP3A5*1/*3§ 10.9 ± 3.2 (n = 5 )a 14.2 ± 7.5 (n = 3)a 11.6 ± 2.3 (n = 10)a 13.8 ± 4.4 (n = 2)a 11.4 ± 2.7 (n = 10)a 0.657
Tac CYP3A5*3/*3§ 12.9 ± 3.7 (n = 24)a 12.8 ± 2.6 (n = 20)a 12.6 ± 2.6 (n = 49)a 11.6 ± 3.1 (n = 15)a 11.2 ± 3.2 (n = 30)a 0.152
Tac AUC0–12 (ng h ml–1)
Tac All 248 ± 70 (n = 29)a 259 ± 59 (n = 23)a 250 ± 53 (n = 59)a 234 ± 116 (n = 17)a 225 ± 54 (n = 40)a 0.105
Tac CYP3A5*1/*3§ 252 ± 76 (n = 5)a 255 ± 54 (n = 3)a 248 ± 55 (n = 10)a 230 ± 59 (n = 2)a 222 ± 57 (n = 10)a 0.561
Tac CYP3A5*3/*3§ 231 ± 35 (n = 24)a 289 ± 96 (n = 2 0)a 259 ± 47 (n = 49)a 266 ± 97 (n = 15)a 232 ± 43 (n = 30)a 0.169
Tac dose (mg day–1)
Tac All 12.5 ± 5.5 (n = 29)a 10.9 ± 4.4 (n = 23)b 9.8 ± 4.8 (n = 59)c 7.6 ± 2.5 (n = 17)de 7.3 ± 4.2 (n = 40)e <0.001
Tac CY¨3A5*1/*3§ 17.0 ± 5.3 (n = 5)a 11.5 ± 2.2 (n = 3)ab 15.8 ± 3.8 (n = 10)ab 10.5 ± 0.7 (n = 2)ab 13.2 ± 3.7 (n = 10)b 0.031
Tac CYP3A5*3/*3§ 11.6 ± 5.2 (n = 24)a 10.8 ± 4.7 (n = 20)a 8.6 ± 4.1 (n = 49)b 7.3 ± 2.4 (n = 15)c 5.4 ± 2.0 (n = 30)c <0.001
Tac dose/weight (mg kg–1 day–1)
Tac All 0.18 ± 0.07 (n = 29)a 0.16 ± 0.06 (n = 23)ab 0.14 ± 0.08 (n = 59)b 0.11 ± 0.05 (n = 17)c 0.10 ± 0.06 (n = 40)d <0.001
Tac CYP3A5*1/*3§ 0.24 ± 0.06 (n = 5)a 0.19 ± 0.07 (n = 3)a 0.23 ± 0.08 (n = 10)a 0.19 ± 0.10 (n = 2)a 0.19 ± 0.05 (n = 10)a 0.052
Tac CYP3A5*3/*3§ 0.16 ± 0.07 (n = 24)a 0.15 ± 0.06 (n = 20)a 0.12 ± 0.06 (n = 49)b 0.10 ± 0.03 (n = 15)c 0.07 ± 0.02 (n = 30)c <0.001
Tac C0/dose (ng ml–1 mg–1)
Tac All 1.30 ± 0.88 (n = 29)a 1.44 ± 0.89 (n = 23)a 1.65 ± 1.07 (n = 59)a 1.71 ± 0.82 (n = 17)ab 1.95 ± 1.06 (n = 40)b 0.003
Tac CYP3A5*1/*3§ 0.72 ± 0.31 (n = 5)a 1.14 ± 0.56 (n = 3)a 0.77 ± 0.24 (n = 10)a 1.24 ± 0.24 (n = 2)a 0.90 ± 0.23 (n = 10)a 0.145
Tac CYP3A5*3/*3§ 1.42 ± 0.92 (n = 24)a 1.49 ± 0.94 (n = 20)a 1.83 ± 1.10 (n = 49)a 1.77 ± 0.85 (n = 15)a 2.30 ± 1.00 (n = 30)b 0.001
Tac AUC0–12/dose (ng h ml–1 mg–1)
Tac 47.0 ± 23.9 (n = 29)a 54.7 ± 30.9 (n = 23)ab 61.3 ± 33.3 (n = 59)b 64.1 ± 18.7 (n = 17)b 75.5 ± 37.2 (n = 40)c <0.001
Tac CYP3A5*1/*3§ 29.6 ± 7.8 (n = 5)a 43.9 ± 10.5 (n = 3)ab 34.0 ± 9.3 (n = 10)ab 47.6 ± 11.6 (n = 2)b 37.4 ± 10.8 (n = 10)ab 0.043
Tac CYP3A5*3/*3§ 50.6 ± 24.6 (n = 24)a 56.4 ± 32.9 (n = 20)ab 67.0 ± 33.7 (n = 49)bc 66.3 ± 18.7 (n = 15)bc 88.2 ± 34.1 (n = 30)c <0.001

Abbreviations are as follows: All, all patients; CsA, cyclosporine-treated patients; MDZ IV CL. systemic midazolam clearance; MDZ IV CL/weight, weight-corrected systemic midazolam clearance; MDZ PO CL/F, apparent oral midazolam clearance; MDZ PO CL/F/weight, weight-corrected apparent oral midazolam clearance; Tac All, all tacrolimus-treated patients; Tac AUC0–12, tacrolimus dose-interval area under the concentration–time curve; Tac AUC0–12/dose, dose-corrected tacrolimus dose-interval area under the concentration–time curve; Tac C0, tacrolimus predose trough level; Tac CLss, tacrolimus steady-state clearance; Tac CLss/weight, weight-corrected tacrolimus steady-state clearance; Tac dose, tacrolimus daily dose-requirements; Tac dose/weight, weight-corrected tacrolimus daily dose requirements; Tac C0/dose, dose-corrected tacrolimus predose trough level; Tac CYP3A5*1/*3, tacrolimus-treated patients expressing CYP3A5; Tac CYP3A5*3/*3, tacrolimus-treated patients not expressing CYP3A5;

P < 0.01;

P < 0.05 for CsA vs. Tac all and for CsA vs. Tac CYP3A5*3/*3.

§

P < 0.0001 for Tac CYP3A5*1/*3 vs. Tac CYP3A5*3/*3.

Common superscripts ‘valueabc…’ indicate the absence of a statistical significant difference between values at different time points, whereas values without common superscripts are statistically significantly different, with an adjusted P value < 0.05 (Tukey–Kramer). P, P value for evolution over time.