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Table 4 Simulation results on the first and third days showing the percentage of patients achieving target exposures for different doses administered as 3-h extended infusion (EI) after 500-mg IV bolus prior to first dose on day 1

From: Clinical pharmacokinetics of 3-h extended infusion of meropenem in adult patients with severe sepsis and septic shock: implications for empirical therapy against Gram-negative bacteria

Target

fT > 4 μg/mL > 40

fT > 4 μg/mL = 100

Regimen with 500 mg IV bolus prior to first dose on day 1

Day 1 (N = 24)

Day 3 (N = 23)

Day 1 (N = 24)

Day 3 (N = 23)

1500 mg 8 hourly

24 (100%)

23 (100%)

09 (37.5%)

11 (48%)

2000 mg 8 hourly

24 (100%)

23 (100%)

09 (37.5%)

14 (61%)

1500 mg 6 hourly

24 (100%)

23 (100%)

15 (63%)

20 (87%)

2000 mg 6 hourly

24 (100%)

23 (100%)

16 (67%)

23 (100%)

  1. fT > 4 μg/mL > X: plasma meropenem concentration exceeds 4 μg/mL for more than X% of the dosing interval