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Erschienen in:
27.10.2015 | Original Research Article
Changes in Renal Function of Patients with Metastatic Renal Cell Carcinoma During Treatment with Molecular-Targeted Agents
Erschienen in: Targeted Oncology | Ausgabe 3/2016
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Background
Impairment of renal function is a serious issue that should be considered in patients undergoing treatment with molecular-targeted agents for metastatic renal cell carcinoma (mRCC).
Aims
The objective of this study was to assess the impact of molecular-targeted therapy on changes in renal function among patients with mRCC.
Patients and Methods
The study included 408 mRCC patients treated with sunitinib, sorafenib, axitinib, everolimus and/or temsirolimus. Among these, 185, 128 and 95 received molecular-targeted agents as first-line (group 1), second-line (group 2) and third-line (group 3) therapy, respectively.
Results
No significant differences between the estimated glomerular filtration rate (eGFR) at baseline and that at the end of molecular-targeted therapy were noted among the three groups of patients. In addition, there were no significant differences between eGFR prior to the introduction of molecular-targeted therapy and that at the end of therapy across agents and lines of targeted therapy, with the exception of patients treated with axitinib and everolimus in second-line and third-line therapy, respectively. In group 1, a reduction in eGFR of >10 % from baseline was independently associated with performance status, hypertension and treatment duration, while in groups 2 and 3, only treatment duration was independently related to a reduction in eGFR of >10 %.
Conclusions
It appears that renal function in patients with mRCC is not markedly impaired by molecular-targeted therapies, irrespective of the specific agents introduced; however, it may be necessary to pay special attention to deterioration in renal function when molecular-targeted therapy is continued for longer periods.
