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Updated: Feb 20, 2026

A Syngeneic Mouse Model of Metastatic Renal Cell Carcinoma for Quantitative and Longitudinal Assessment of Preclinical Therapies
Published on: April 12, 2017
Updated recommendation on molecular-targeted therapy for metastatic renal cell cancer
Senji Hoshi1,2, Kenji Numahata1, Hidenori Kanno1
1Department of Urology, Yamagata Prefectural Central Hospital, Yamagata 990-2292, Japan.
Abstract:
Molecular-targeted therapy was recommended for the systemic therapy of renal cell cancer (RCC) in the RCC guidelines, but these guidelines do not address the order of administration of the multiple presently available agents. There are several aspects that remain unknown regarding the optimal administration order and combination of molecular-targeted drugs. Until the optimal treatment sequence is determined by clinical trials, treatment individualization is required for each patient based on patient and disease characteristics. We herein investigate 12 cases of RCC patients who received axitinib. Axitinib was used as the first-line drug in 4 cases, second-line in 5 cases, third-line in 1 case and as a fourth-line drug in 2 cases. Partial response (PR) was observed in 4 cases (30%) and stable disease in 4 cases (30%) during axitinib treatment, with an overall response rate of 60%. The duration of PR ranged from 6 to 19 months. Based on our cases, axitinib exhibited reasonable therapeutic efficacy as first- as well as second-line treatment. However, more cases are required to draw firm conclusions.
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