Abstract
Aim: To evaluate the efficacy and safety of second-line treatment with axitinib plus toripalimab in patients with metastatic renal cell carcinoma and failure of VEGFR tyrosine kinase inhibitors. Methods: Data were collected restropectively. Kaplan-Meier analysis and Cox proportional hazards model determined the efficacy outcomes. Results: In 57 patients, objective response rate was 31.6% and median progression-free survival (PFS) was 11.7months, while median overall survival was not reached. Median PFS was not reached in favorable-risk patients, whereas PFS of 11.0 and 7.8months were observed in intermediate- and poor-risk patients, respectively (p =0.011). The treatment-related toxicities were mild in nature. Conclusion: Second-line therapy with axitinib plus toripalimab provided durable response rate, longer PFS and a tolerable safety profile.
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