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직결장암 환자에서 Bevacizumab에 의한 단백뇨 발현과 치료효과와의 상관관계 분석

Correlation of Bevacizumab-induced Proteinuria with Therapeutic Effects in Patients with Colorectal Cancer

한국임상약학회지 2020년 30권 4호 p.234 ~ 242
사예지, 김경덕, 안혜림,
소속 상세정보
사예지 ( Sa Yea-Ji ) - Catholic University Seoul St. Mary’s Hospital Department of Pharmacy
김경덕 ( Kim Kyung-Duck ) - Catholic University Seoul St. Mary’s Hospital Department of Pharmacy
안혜림 ( Ahn Hye-Lim ) - Catholic University Seoul St. Mary’s Hospital Department of Pharmacy

Abstract


Background: Bevacizumab-induced proteinuria is known to occur when vascular endothelial cell receptors are blocked, which leads to decreased protein filtration. Although several studies have analyzed the correlation between therapeutic effect of bevacizumab and proteinuria, no conclusion has been established.

Methods: In this retrospective study, colorectal cancer patients who received bevacizumab and urinary protein check from January 2015 to December 2016, were included. The incidence of proteinuria and the grade according to Common Terminology Criteria for Adverse Events (CTCAE) 4.0 were evaluated after bevacizumab administration. The primary objective was to correlate proteinuria with overall response rate (ORR) and time to progression (TTP). Primary lesion, metastasized organs, surgery or radiation therapy, chemotherapy were investigated for analysis of risk factors for proteinuria development.

Results: A total of 149 patients included in the analysis. Proteinuria occurred 19.5% (n=29) in the study patients; 20 in grade 1, 7 in grade 2, and 2 in grade 3. ORR was 55.2% in the proteinuria group and 51.7% in the non-proteinuria group. There was no difference between two groups (p=0.89). The TTP through the survival curve was similar in both groups (10 months, p=0.97). The risk of proteinuria was high in patients who had liver metastasis (p=0.02) and no surgery (p=0.01).
Conclusions: These result indicates that bevacizumab-induced proteinuria expression was not correlated with the therapeutic effect on patients with colorectal cancer. Further analysis is required to find out the correlation between proteinuria and therapeutic effects. The risk of proteinuria was increased from patients who had liver metastasis, and no surgery.

키워드

Bevacizumab; proteinuria; therapeutic effect; colorectal cancer

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