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Simple Summary: Roughly 430,000 new cases of renal cell carcinoma (RCC) occurred worldwide in 2022, and about one-third of RCC cases are diagnosed at an advanced stage of disease (aRCC). When patients with aRCC fail first-line treatment, they commonly receive one of the recommended second-line treatments, i.e., axitinib, cabozantinib, lenvatinib plus everolimus, pazopanib, sunitinib, or tivozanib. Axitinib is a second-generation tyrosine kinase inhibitor that inhibits vascular endothelial growth factor receptor tyrosine kinases 1, 2, and 3. It has been available since 2011 for the treatment of aRCC after the failure of prior therapy with sunitinib or cytokines. The aim of our research was to understand how axitinib compares with other treatment options considering data from clinical trials and observational studies that reflect real-world clinical practice. Therefore, we conducted a systematic literature review to summarise evidence on commonly used and recommended treatments in aRCC after the failure of prior therapy with sunitinib or cytokines. Background: We conducted a systematic literature review (SLR) to identify clinical evidence on treatments in advanced renal cell carcinoma (aRCC) after the failure of prior therapy with cytokines, tyrosine kinase inhibitors, or immune checkpoint inhibitors. Herein, we summarise the evidence for axitinib in aRCC after the failure of prior therapy with cytokines or sunitinib. Methods: This SLR was registered with PROSPERO (CRD42023492931) and followed the 2020 PRISMA statement and the Cochrane guidelines. Comprehensive searches were conducted in MEDLINE and Embase as well as for conference proceedings. Study eligibility was defined according to population, intervention, comparator, outcome, and study design. Results: Of 1252 titles/abstracts screened, 266 peer-reviewed publications were reviewed, of which 182 were included. In addition, 28 conference abstracts were eligible. Data on axitinib were reported in 55 publications, of which 16 provided efficacy and/or safety outcomes on axitinib after therapy with sunitinib or cytokines. In these patients, median progression-free and overall survival ranged between 5.5 and 8.7 months and 11.0 and 69.5 months, respectively. Conclusions: Axitinib is commonly used in clinical practice and has a well-characterised safety and efficacy profile in the treatment of patients with aRCC after the failure of prior therapy with sunitinib or cytokines. [ABSTRACT FROM AUTHOR]