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. 2021 Feb 17;65(3):e01680-20. doi: 10.1128/AAC.01680-20

TABLE 6.

Values of achieved and targeted pharmacokinetic parameters

Regimena fCmax (μg/ml)
Half-life (h)
Ke
% Protein binding fAUC (μg · h/ml)
fAUC/MIC CRAB (non-CRAB)
% T>MIC (CRAB [non-CRAB])
Targeted Achieved Targeted Achieved Targeted Achieved Targeted Targeted Achieved Targeted Achieved Targeted Achieved
Minocycline 200 mg load plus 100 mg Q12h 0.84 (0.6–1.59) 0.78b 11 10.56 0.06 0.07 76 14.4 14.1 7.2 (28.7) 7.0 (28.1)
Minocycline 700 mg load, 350 mg Q12h (HD) 2.94 2.73b 11 10.56 0.06 0.07 76 43.4 42.4 21.7 (86.7) 21.2 (84.8)
Polymyxin B 2.5 mg/kg/day 1.75 1.77b 4.3 7.44 0.16 0.1 79 21.8 31.3 10.9 (43.7) 15.6 (62.5)
Meropenem 1g Q8h 48.02 38.36c 1 1 0.69 0.69 2 335.8 287.5 0 (≥50) 0d (100)
Sulbactame 1g Q6h 26.66 35.14c 1 1 0.69 0.69 38 253.7 338.8 ≥60 (≥60) 67 (83)
a

Pharmacokinetic parameters extrapolated to other regimen based on achieved Ke.

b

Determined with in house bioassay.

c

Determined by HPLC analysis.

d

Unable to achieve T>MIC as this isolate was meropenem resistant.

e

Tested as ampicillin-sulbactam.