Population pharmacokinetics of sivelestat in Chinese patients with severe pneumonia

IF 2.1 4区医学 Q3 PHARMACOLOGY & PHARMACY

Fundamental & Clinical Pharmacology Pub Date : 2025-02-09 DOI:10.1111/fcp.70001

Xiaolin Zhang, Huiliang Hu, Ziran Li, Peng Zhang, Lei Pan, Lei Wang, Jingqin Mao, Feng Li, Lijun Zhang

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Abstract

Background

Sivelestat sodium, an inhibitor of neutrophil elastase, was broadly used in the treatment of severe pneumonia. However, the pharmacokinetic (PK) characteristics of sivelestat in patients with severe pneumonia were still unknown.

Objectives

To understand the PK characteristics of sivelestat for optimizing the dose in Chinese patients with severe pneumonia.

Methods

In this study, we enrolled 15 participants who received sivelestat 300–500 mg every 24 h with an infusion duration of 5 to 14 days. Blood samples of 48 were collected and separated for plasma drug concentration detection by an ultra-high-performance liquid chromatography/tandem mass spectrometry. A population pharmacokinetic (PPK) analysis of sivelestat was performed using a monolix2024R1 software. A Monte Carlo simulation was conducted to assess various dosing schedules and varying covariate levels within the desired therapeutic drug-monitoring concentration range (C_min,ss 8–12 mg/L).

Results

The patients had a mean age of 65 years (range, 35–87), with 2 females and 13 males. These data were best described by a one-compartment model with proportional residual error. The apparent distribution volume and apparent clearance (CL) of sivelestat were 20.88 L and 1.79 L/h, respectively. The clearance of sivelestat is influenced by the covariate total bilirubin (TBIL), prompting a recommendation for a reduced dose in patients with elevated TBIL levels.

Conclusion

In conclusion, our findings suggest that the CL/F in patients with severe pneumonia is similar to that in healthy individuals. TBIL can affect CL/F of sivelestat; therefore, TBIL-based dosing regimens provide a practical strategy for achieving sivelestat therapy.

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来源期刊

Fundamental & Clinical Pharmacology 医学-药学

CiteScore

5.30

自引率

6.90%

发文量

111

审稿时长

6-12 weeks

期刊介绍： Fundamental & Clinical Pharmacology publishes reports describing important and novel developments in fundamental as well as clinical research relevant to drug therapy. Original articles, short communications and reviews are published on all aspects of experimental and clinical pharmacology including: Antimicrobial, Antiviral Agents Autonomic Pharmacology Cardiovascular Pharmacology Cellular Pharmacology Clinical Trials Endocrinopharmacology Gene Therapy Inflammation, Immunopharmacology Lipids, Atherosclerosis Liver and G-I Tract Pharmacology Metabolism, Pharmacokinetics Neuropharmacology Neuropsychopharmacology Oncopharmacology Pediatric Pharmacology Development Pharmacoeconomics Pharmacoepidemiology Pharmacogenetics, Pharmacogenomics Pharmacovigilance Pulmonary Pharmacology Receptors, Signal Transduction Renal Pharmacology Thrombosis and Hemostasis Toxicopharmacology Clinical research, including clinical studies and clinical trials, may cover disciplines such as pharmacokinetics, pharmacodynamics, pharmacovigilance, pharmacoepidemiology, pharmacogenomics and pharmacoeconomics. Basic research articles from fields such as physiology and molecular biology which contribute to an understanding of drug therapy are also welcomed.