Association of lenvatinib plasma concentration with clinical efficacy and adverse events in patients with hepatocellular carcinoma

Kojiro Hata, Kimitaka Suetsugu, Nobuaki Egashira, Yoko Makihara, Shinji Itoh, Tomoharu Yoshizumi, Masatake Tanaka, Motoyuki Kohjima, Hiroyuki Watanabe, Satohiro Masuda, Ichiro Ieiri

研究成果: Contribution to journalArticle査読

抄録

Purpose: This study aimed to examine the association between the trough plasma concentration of lenvatinib with the objective response rate (ORR) and adverse events in patients with hepatocellular carcinoma (HCC). Methods: Twenty-one patients with HCC who received lenvatinib were enrolled. We examined the median trough concentration (Ctrough median) of plasma lenvatinib until the first clinical response evaluation. The receiver-operating characteristic curve was drawn to show the discrimination potential of the Ctrough median for the ORR, using the modified Response Evaluation Criteria in Solid Tumors. Adverse events were graded based on the Common Terminology Criteria for Adverse Events (ver. 5.0). Results: The Ctrough median values in the complete response and partial response group were significantly higher than those in the stable disease and progressive disease groups. The ORR was significantly higher in the high-Ctrough median group (≥ 42.68 ng/mL) than in the low-Ctrough median group (< 42.68 ng/mL) (80.0% vs. 18.2%; p = 0.0089). Although there was no difference in the occurrence of most adverse events between the high- and low-Ctrough median groups, the occurrence of any grade anorexia (100.0% vs. 45.5%; p = 0.0124) and grade 3 serious hypertension (70.0% vs. 18.2%; p = 0.0300) was significantly higher in the high-Ctrough median group than in the low-Ctrough median group. Multivariate analysis showed that high-Ctrough median was significantly associated with ORR development (odds ratio, 15.00; 95% confidence interval, 1.63–138.16; p = 0.0168). Conclusion: Maintaining Ctrough median above 42.68 ng/mL was crucial for achieving the ORR in patients with HCC.

本文言語英語
ページ(範囲)803-813
ページ数11
ジャーナルCancer chemotherapy and pharmacology
86
6
DOI
出版ステータス出版済み - 12 1 2020

All Science Journal Classification (ASJC) codes

  • Oncology
  • Toxicology
  • Pharmacology
  • Cancer Research
  • Pharmacology (medical)

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