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Table 3 Summary of studies exploring the factors affecting the VRC Ctrough in pediatric patients

From: Clinical application of voriconazole in pediatric patients: a systematic review

Study design

Age (years)

No. of samples

Year

Country

Main results and conclusions

Reference

Retrospective, single-center study

0–18

20

2016

Japan

Younger age and oral administration were significantly associated with lower VRC Ctrough.

Kato et al. [9]

Retrospective, single-center study

0–12

107

2017

China

The co-administration of omeprazole significantly increased VRC Ctrough. There was a significant positive correlation between VRC Ctrough and Scr levels, and a negative correlation with ALB levels.

Liu et al. [10]

Retrospective, single-center study

< 18

237

2018

Italy

There was a positive correlation between VRC dose and plasma exposure. Patients with higher Scr levels had higher VRC Ctrough. Additionally, there was a positive correlation between VRC Ctrough and age. Males exhibited higher median Ctrough than females.

Allegra et al. [22]

Retrospective, single-center study

< 18

232

2018

Italy

SLCO1B3 rs4149117 c.334 GT/TT, ABCG2 rs13120400 c.1194 + 928 CC and ABCC2 rs717620 c.-24 GA/AA genotype significantly affected VRC Ctrough.

Allegra et al. [23]

Retrospective, single-center study

2–14

42

2018

China

Intravenous administration and co-administration of PPI significantly increased initial VRC Ctrough.

Hu et al. [11]

Retrospective, single-center study

< 18

33

2019

Chile

Patients with carriers of the CYP2C19*17 polymorphism (rs12248560) variant presented significantly lower VRC Ctrough than non-carriers.

Espinoza et al. [24]

Retrospective, single-center and cohort study

< 18

61

2020

Korea

Oral administration and CRP levels were associated with low initial VRC Ctrough. ALT levels were associated with a high initial VRC Ctrough.

Kang et al. [25]

Non-interventional retrospective clinical study

2–18

94

2021

China

Age, WT, dose, DBil, BUN and CYP2C19 phenotypes were found to be influencing factors of VRC Ctrough.

Zhao et al. [26]

Retrospective, single-center study

< 18

108

2021

China

Age, combination medication with PPIs and CYP2C19 phenotype accounted for some of variability in VRC Ctrough.

Tian et al. [12]

Prospective, single-center study

2–12

28

2021

Spain

Severe hypoalbuminemia, markedly elevated CRP were associated with inadequate VRC Ctrough.

Valle-T-Figueras et al. [27]

Retrospective, single-center study

< 18

104

2021

China

CRP levels significantly associated with VRC PK in children aged 11–18 years but not in 2–10 years.

Luo et al. [28]

Retrospective, single-center study

< 18

91

2022

China

CYP2C19 phenotypes, CRP concentrations, age, and the presence of immunosuppressants were associated with the VRC PK.

Chen et al. [13]

Retrospective, single-center study

1 to 18

59

2022

China

CYP2C19 phenotypes affected initial VRC Ctrough.

Chen et al. [29]

Retrospective, single-center study

0.5 months to 17

36

2022

Switzerland

CYP2C19 and CYP3A4 polymorphisms and drug transporters ABCC2 and ABCG2, combination medication levetiracetam, ciprofloxacin, and propranolol affected VRC Ctrough.

Tilen et al. [30]

Prospectively single-center study

2 to 14

68

2022

China

VRC Ctrough of patients with CYP2C19*2 or CYP2C19*3 were significantly higher than that with wild-type carriers.

Fan et al. [31]

Retrospective, single-center study

2 to 14

131

2023

China

CYP2C19 polymorphisms, co-administration of omeprazole, ALB and ALT levels affected VRC Ctrough.

Hu et al. [14]

  1. VRC, voriconazole. Ctrough, trough concentration. ALT, alanine transaminase. ALB, albumin. CRP, c-reactive protein. Scr, serum creatinine. DBil, direct bilirubin. BUN, blood urea nitrogen. WT, weight. PPIs, proton pump inhibitors. Pharmacokinetic, PK.