Discontinuation of first-line molecular-targeted therapy and prognosis in patients with metastatic renal cell carcinoma: Impact of disease progression vs. adverse events

Ryosuke Ando, Kiyoshi Takahara, Toshiki Ito, Kent Kanao, Ikuo Kobayashi, Ryoichi Shiroki, Makoto Sumitomo, Hideaki Miyake, Takahiro Yasui

研究成果: Article査読

抄録

Objectives: We evaluated the impact of discontinuation of first-line (1L) molecular-targeted therapy on prognostic outcomes among patients with metastatic renal cell carcinoma (mRCC). Methods: Study patients with mRCC were treated with 1L molecular-targeted agents at 4 separate institutions. Prognostic outcomes in this patient cohort were analyzed retrospectively based on whether discontinuation of 1L therapy was related to adverse events (AEs) or progression of disease (PD). Results: Of the 201 patients enrolled, 117 patients (58%) and 84 patients (42%) discontinued 1L targeted therapy due to PD and AEs, respectively. Second-line therapy was subsequently provided to 101 (86%) and 66 (79%) of the patients who discontinued 1L therapy secondary to PD or AEs, respectively. Patients who discontinued 1L therapy due to AEs were significantly older than those with PD. The progression-free survival and overall survival from the initiation of 1L targeted therapy were significantly longer in patients who discontinued 1L therapy due to AE than in those who discontinued 1L therapy due to PD. The OS from the initiation of second-line targeted therapy was significantly longer in patients who discontinued 1L therapy due to AE than those with PD. Furthermore, AE as a reason for discontinuation of 1L targeted therapy as opposed to PD was independently associated with longer progression-free survival and OS as determined by multivariate analysis. Conclusions: Our findings suggest that mRCC patients who discontinue 1L therapy due to AEs have a more favorable prognosis than those who discontinue therapy due to PD.

本文言語English
ページ(範囲)937.e19-937.e25
ジャーナルUrologic Oncology: Seminars and Original Investigations
38
12
DOI
出版ステータスPublished - 12-2020

All Science Journal Classification (ASJC) codes

  • Oncology
  • Urology

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