Abstract
Abstract
Purpose
Complete metastasectomy of renal cell carcinoma (RCC) is receding into the past due to the progress of immuno-oncology-based combinations (IO) in systemic therapy. The prognostic impact of curative intended complete metastasectomy vs. immediate IO-based therapy or tyrosine kinase inhibition (TKI) on progression-free survival (PFS) and cancer-specific survival (CSS) was investigated in the first-line setting.
Methods
205 patients with synchronous or metachronous metastasis received complete metastasectomy (n = 80) or systemic therapy (n = 125, TKI: 87, TKI–IO: 13, IO–IO: 25) as first-line therapy. The prognostic impact of these therapies was assessed using Cox regression and Kaplan–Meier analyses.
Results
First-line complete metastasectomy significantly improved CSS compared to both TKI monotherapy (6.1 vs. 2.6 years, HR 0.45, p < 0.001) and IO-based combination therapy (IO–IO/TKI–IO, 6.1 vs. 3.5 years, HR 0.28, p = 0.007). Repetitive complete metastasectomy without ever receiving systemic therapy vs. systemic therapy in first-line significantly prolonged CSS (11.3 vs. 3.1 years, HR 0.34, p = 0.002). First-line complete metastasectomy and subsequent systemic therapy at tumor progression was associated with a significant CSS benefit vs. systemic therapy (5.8 vs. 3.1 years, HR 0.53, p = 0.003), also compared to IO-based combinations (5.8 vs. 3.5 years, HR 0.30, p = 0.017). Median PFS was improved by IO-based therapy compared to TKI monotherapy in the first-line setting (HR 0.61, p = 0.05), with maximal benefit of the TKI–IO combination vs. TKI monotherapy (HR 0.27, p = 0.01), as well as compared to PFS of complete metastasectomy (HR 0.34, p = 0.035).
Conclusion
Despite the progress of IO-based combination therapies in first line, complete metastasectomy remains an integral part of the multimodality treatment of metastatic RCC.
Funder
Eberhard Karls Universität Tübingen
Publisher
Springer Science and Business Media LLC
Cited by
4 articles.
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