Study on the correlation of peak blood concentrations of compound sulfamethoxazole and its metabolites with clinical efficacy and adverse reactions in critically ill patients
|更新时间:2025-09-24
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Study on the correlation of peak blood concentrations of compound sulfamethoxazole and its metabolites with clinical efficacy and adverse reactions in critically ill patients
FU Xiangxiang,ZHONG Lili,GU Jiangfan,et al.Study on the correlation of peak blood concentrations of compound sulfamethoxazole and its metabolites with clinical efficacy and adverse reactions in critically ill patients[J].ZHONGGUO YAOFANG,2025,36(14):1775-1780.
FU Xiangxiang,ZHONG Lili,GU Jiangfan,et al.Study on the correlation of peak blood concentrations of compound sulfamethoxazole and its metabolites with clinical efficacy and adverse reactions in critically ill patients[J].ZHONGGUO YAOFANG,2025,36(14):1775-1780. DOI: 10.6039/j.issn.1001-0408.2025.14.15.
Study on the correlation of peak blood concentrations of compound sulfamethoxazole and its metabolites with clinical efficacy and adverse reactions in critically ill patients
To analyze the correlation of the peak blood concentration (
c
max
) of compound sulfamethoxazole (TMP/SMZ) and its metabolite
N
-acetyl sulfamethoxazole (NSMZ) with clinical efficacy and adverse reactions in critically ill patients.
METHODS
2
The data of critically ill patients treated with TMP/SMZ in various ICU of Hainan General Hospital from December 2023 to January 2025 were retrospectively collected. The patients were divided into success group and failure group based on the treatment outcome. Simple linear regression and Spearman correlation analysis were used to analyze the correlation of TMP
c
max
, SMZ
c
max
, and NSMZ
c
max
with clinical efficacy and adverse reactions. The receiver operating characteristic curve (ROC) was used to determine the cutoff values of
c
max
for predicting the occurrence of adverse reactions.
RESULTS
2
Among critically ill patients with an acute physiology and chronic health evaluation Ⅱ (APACHE-Ⅱ) ≥15 points 24 h of check-in at ICU, SMZ
c
max
of success group was significantly higher than failure group (
P
<0.05). The daily total dose of TMP/SMZ was positively correlated with TMP
c
max
and SMZ
c
max
(
P
<0.05). TMP
c
max
was significantly correlated with hepatotoxicity and nephrotoxicity, SMZ
c
max
with hepatotoxicity, and NSMZ
c
max
with nephrotoxicity (
P
<0.05). The cutoff values of TMP
c
max
for predicting nephrotoxicity and hepatotoxicity were 7.25 μg/mL and 6.63 μg/mL, respectively. The cutoff value of SMZ
c
max
for predicting hepatotoxicity was 138.00 μg/mL, and that of NSMZ
c
max
for predicting nephrotoxicity was 60.76 μg/mL.
CONCLUSIONS
2
Among critically ill patients with an APACHE-Ⅱ ≥15 points 24 h of check-in at ICU, SMZ
c
max
is associated with treatment success. Hepatotoxicity risk significantly increases when TMP
c
max
≥6.63 μg/mL or SMZ
c
max
≥138.00 μg/mL; nephrotoxicity risk significantly increases when TMP
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