caa a22 4500 605491143 CHVBK 20210128100508.0 cr unu---uuuuu 210128e20150801xx s 000 0 eng 10.1007/s10147-014-0770-7 doi (NATIONALLICENCE)springer-10.1007/s10147-014-0770-7 Non-significant impact of proteinuria on renal function in Japanese patients with metastatic renal cell carcinoma treated with axitinib [Elektronische Daten] [Hideaki Miyake, Ken-ichi Harada, Satoshi Imai, Akira Miyazaki, Masato Fujisawa] Background: To investigate the impact of proteinuria on the renal function of patients with metastatic renal cell carcinoma (mRCC) who received axitinib, a tyrosine kinase inhibitor specifically targeting vascular endothelial growth factor receptors. Methods: This study included 65 consecutive Japanese patients who were diagnosed with mRCC and were subsequently treated with axitinib for at least 12weeks. The association between the changes in the estimated glomerular filtration rate (eGFR) and proteinuria in these 65 patients was retrospectively assessed. Results: Of the 65 patients, 41 (63.1%) were judged to be positive for proteinuria. There were no significant differences between the eGFR value before the introduction of axitinib and that at the last clinic visit in either group with or without proteinuria. Furthermore, no significant correlation was noted between the changes in eGFR and the urine protein to creatinine ratio in the group positive for proteinuria, and there was no significant effect of the duration of treatment with axitinib on the changes in eGFR in the proteinuria group. Of several factors examined, univariate analysis identified age, eGFR prior to the introduction of axitinib, and timing of axitinib introduction, but not the presence of proteinuria, as predictors of a decrease in eGFR of >10%; however, only age appeared to be independently associated with a decrease in eGFR of >10%. Conclusions: These findings suggest that treatment with axitinib may not have a significant adverse impact on the renal function in patients with mRCC, irrespective of the presence of proteinuria. Japan Society of Clinical Oncology, 2014 Axitinib nationallicence Proteinuria nationallicence Renal function nationallicence Metastatic renal cell carcinoma nationallicence Miyake Hideaki Division of Urology, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, 650-0017, Kobe, Japan aut Harada Ken-ichi Division of Urology, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, 650-0017, Kobe, Japan aut Imai Satoshi Division of Urology, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, 650-0017, Kobe, Japan aut Miyazaki Akira Division of Urology, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, 650-0017, Kobe, Japan aut Fujisawa Masato Division of Urology, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, 650-0017, Kobe, Japan aut International Journal of Clinical Oncology Springer Japan 20/4(2015-08-01), 796-801 1341-9625 20:4<796 2015 20 10147 https://doi.org/10.1007/s10147-014-0770-7 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s10147-014-0770-7 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Miyake Hideaki Division of Urology, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, 650-0017, Kobe, Japan aut NATIONALLICENCE 700 1- Harada Ken-ichi Division of Urology, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, 650-0017, Kobe, Japan aut NATIONALLICENCE 700 1- Imai Satoshi Division of Urology, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, 650-0017, Kobe, Japan aut NATIONALLICENCE 700 1- Miyazaki Akira Division of Urology, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, 650-0017, Kobe, Japan aut NATIONALLICENCE 700 1- Fujisawa Masato Division of Urology, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, 650-0017, Kobe, Japan aut NATIONALLICENCE 773 0- International Journal of Clinical Oncology Springer Japan 20/4(2015-08-01), 796-801 1341-9625 20:4<796 2015 20 10147