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1.河北医科大学第二医院药学部,石家庄 050061
2.河北医科大学第二医院心脏外科,石家庄 050061
主管药师,硕士。研究方向:临床药学。E-mail:Mayingchao2008@sina.com
主任药师,博士。研究方向:临床药学、医院药学。 E-mail:yxl20031109@sina.com
收稿日期:2024-07-10,
修回日期:2024-11-20,
录用日期:2025-01-02,
纸质出版日期:2025-02-28
移动端阅览
马颖超,吴瑕,王永静,等.基于药动学/药效学理论和蒙特卡罗模拟的硫酸黏菌素给药方案效果评价[J].中国药房,2025,36(04):459-463.
MA Yingchao,WU Xia,WANG Yongjing,et al.Evaluation of colistin sulfate administration regimen based on PK/PD theory and Monte Carlo simulation[J].ZHONGGUO YAOFANG,2025,36(04):459-463.
马颖超,吴瑕,王永静,等.基于药动学/药效学理论和蒙特卡罗模拟的硫酸黏菌素给药方案效果评价[J].中国药房,2025,36(04):459-463. DOI: 10.6039/j.issn.1001-0408.2025.04.12.
MA Yingchao,WU Xia,WANG Yongjing,et al.Evaluation of colistin sulfate administration regimen based on PK/PD theory and Monte Carlo simulation[J].ZHONGGUO YAOFANG,2025,36(04):459-463. DOI: 10.6039/j.issn.1001-0408.2025.04.12.
目的
2
基于药动学(PK)/药效学(PD)理论和蒙特卡罗模拟(MCS)评价5种硫酸黏菌素给药方案用于常见革兰氏阴性菌感染的治疗效果。
方法
2
收集2023年中国细菌耐药监测网中硫酸黏菌素对鲍曼不动杆菌、铜绿假单胞菌、肺炎克雷伯菌、大肠埃希菌、阴沟肠杆菌的最小抑菌浓度(MIC)数据,以游离浓度24 h药时曲线下面积与MIC的比值(
f
AUC
0-24 h
/MIC)≥15为目标靶值进行MCS,获得5种硫酸黏菌素给药方案在不同MIC下达到目标靶值的达标概率(PTA),并进一步计算各给药方案在特定细菌群体中的预期群体PTA,即累积反应分数(CFR),以评价5种硫酸黏菌素给药方案的治疗效果。
结果
2
当细菌MIC≤0.5 μg/mL时,硫酸黏菌素所有给药方案(50万单位、q12 h,50万单位、q8 h,75万单位、q12 h,75万单位、q8 h,100万单位、q12 h)的PTA均超过90%;当MIC=1 μg/mL时,75万单位、q8 h的给药方案用于鲍曼不动杆菌、肺炎克雷伯菌、铜绿假单胞菌、大肠埃希菌、阴沟肠杆菌,以及100万单位、q12 h的给药方案用于除铜绿假单胞菌外其余4种细菌的PTA仍可达90%以上;当MIC≥2 μg/mL时,硫酸黏菌素上述5种给药方案的PTA均低于90%。对于大肠埃希菌感染,仅50万单位、q12 h给药方案的CFR低于90%;对于肺炎克雷伯菌感染,仅75万单位、q8 h和100万单位、q12 h给药方案的CFR大于90%;对于其他3种细菌,硫酸黏菌素上述5种给药方案的CFR均低于90%。
结论
2
当革兰氏阴性菌MIC≤0.5 µg/mL时,可选择硫酸黏菌素常规剂量治疗;当MIC=1 µg/mL时,则需要增加给药剂量或给药频次。经验性治疗时,除大肠埃希菌外,对于其余4种细菌感染,均需使用超说明书剂量。
OBJECTIVE
2
To evaluate the therapeutic efficacy of 5 regimens of colistin sulfate for common Gram-negative bacilli infection based on pharmacokinetics (PK)/pharmacodynamics (PD) theory and Monte Carlo simulation.
METHODS
2
Minimal inhibitory concentration (MIC) data of colistin sulfate against
Acinetobacter baumannii
,
Pseudomonas aeruginosa
,
Klebsiella pneumoniae
,
Escherichia coli
and
Enterobacter cloacae
in 2023 were collected from the China Antimicrobial Resistance Surveillance System. Monte Carlo simulation was conducted with the ratio of the area under the concentration-time curve from 0 to 24 hours in the unbound state to the MIC (
f
AUC
0-24 h
/MIC) ≥15 as the target value, the probabilities of target attainment (PTA) of 5 regimens of colistin sulfate to achieve the target ratio were obtained at different MIC; and the expected population PTA, specifically the cumulative fraction of response (CFR), for each regimen within a specific bacterial population was further calculated, to evaluate the therapeutic efficacy of the five colistin sulfate regimens.
RESULTS
2
When bacterial MIC≤0.5 µg/mL, PTA of all colistin sulfate regimens (500 000 IU, q12 h; 500 000 IU, q8 h; 750 000 IU, q12 h; 750 000 IU, q8 h; 1 000 000 IU, q12 h) were all more than 90%. When bacterial MIC=1 µg/mL, PTA for regimen (750 000 IU, q8 h) against
A. baumannii, K. pneumoniae, P. aeruginosa, E. coli
and
E. cloacae
, and for regimen (1 000 000 IU, q12 h) against the other four bacte
rial species (excluding
P. aeruginosa
) remained above 90%. When bacterial MIC≥2 µg/mL, PTA of 5 colistin sulfate regimens were all lower than 90%. For
E. coli
, the CFR of only colistin sulfate regimen (500 000 IU, q12 h) was less than 90%; for
K. pneumoniae
, the CFR of only colistin sulfate regimen (750 000 IU, q8 h and 1 000 000 IU, q12 h) was greater than 90%; for the other three bacteria, CFR of 5 regimens were all less than 90%.
CONCLUSIONS
2
When the MIC of Gram-negative bacteria is less than 0.5 µg/mL, colistin sulfate regimen with a routine dose can be selected for treatment. When MIC was 1 µg/mL, an increase in the dosing amount or frequency is required. The empirical treatment of the other four bacterial infections excluding
E. coli
requires the use of off-label doses.
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