Primary site stereotactic ablative body radiotherapy in localized, recurrent, and metastatic renal cell carcinoma.

Autor:	Huang D; Department of Radiation and Cellular Oncology, University of Chicago, 5758 S. Maryland Ave., MC 9006, Chicago, IL 60637, United States., Lynch C; Department of Radiation and Cellular Oncology, University of Chicago, 5758 S. Maryland Ave., MC 9006, Chicago, IL 60637, United States., Serra LM; Department of Radiation and Cellular Oncology, University of Chicago, 5758 S. Maryland Ave., MC 9006, Chicago, IL 60637, United States., Sweis RF; Department of Medicine, Section of Hematology/Oncology, University of Chicago, 5841 S. Maryland Ave., MC 2115, Chicago, IL 60637, United States., Chang PJ; Department of Radiology, University of Chicago, 5841 S. Maryland Ave., MC 2026, Chicago, IL 60637, United States., Stadler WM; Department of Medicine, Section of Hematology/Oncology, University of Chicago, 5841 S. Maryland Ave., MC 2115, Chicago, IL 60637, United States., Szmulewitz RZ; Department of Medicine, Section of Hematology/Oncology, University of Chicago, 5841 S. Maryland Ave., MC 2115, Chicago, IL 60637, United States., O'Donnell PH; Department of Medicine, Section of Hematology/Oncology, University of Chicago, 5841 S. Maryland Ave., MC 2115, Chicago, IL 60637, United States., Sidana A; Department of Surgery, Section of Urology, University of Chicago, 5841 S. Maryland Ave., MC 6038, Chicago, IL 60637, United States., Eggener SE; Department of Surgery, Section of Urology, University of Chicago, 5841 S. Maryland Ave., MC 6038, Chicago, IL 60637, United States., Shalhav AL; Department of Surgery, Section of Urology, University of Chicago, 5841 S. Maryland Ave., MC 6038, Chicago, IL 60637, United States., Liauw SL; Department of Radiation and Cellular Oncology, University of Chicago, 5758 S. Maryland Ave., MC 9006, Chicago, IL 60637, United States., Pitroda SP; Department of Radiation and Cellular Oncology, University of Chicago, 5758 S. Maryland Ave., MC 9006, Chicago, IL 60637, United States.
Jazyk:	angličtina
Zdroj:	Clinical and translational radiation oncology [Clin Transl Radiat Oncol] 2024 Oct 28; Vol. 49, pp. 100879. Date of Electronic Publication: 2024 Oct 28 (Print Publication: 2024).
DOI:	10.1016/j.ctro.2024.100879
Abstrakt:	Background and Purpose: Stereotactic ablative body radiotherapy (SABR) is an effective treatment for localized renal cell carcinoma (RCC). However, the role of primary site SABR for locally recurrent or metastatic RCC is unclear. Here, we report outcomes of primary SABR across a diverse cohort of localized, recurrent, and metastatic RCC patients treated at our institution. Materials and Methods: RCC patients treated with SABR to lesions of the kidney or nephrectomy bed at our institution with at least 6 months of follow-up were included for analysis. Local control, overall survival, and freedom from distant failure were estimated using the Kaplan-Meier method. Estimated glomerular filtration rate (eGFR) was assessed at baseline and following SABR. Results: Fifty-three patients received primary site SABR. Thirty-seven (70 %) patients had localized RCC, and 16 (30 %) had metastatic RCC. Seven (13 %) had locally recurrent RCC after prior surgery or ablation. The median tumor size was 4.5 cm (IQR 3.7-6.3). At a median follow-up of 23 months (IQR 12-35), 2-year local control was 100 %, and 3-year local control was 94.4 % (95 % CI 84.4 %-100 %). Among patients with initially localized disease, the 2-year freedom from distant failure was 94.6 % (95 % CI 87.6 %-100 %), and the 2-year overall survival was 66.5 % (95 % CI 51.9 %-85.2 %). Twelve (23 %) patients experienced acute grade 1-2 treatment-related toxicity (nausea, vomiting, or small bowel). There were no acute grade 3-4 toxicities. Two (3.8 %) patients developed late grade 3 gastrointestinal toxicity. The median baseline eGFR was 51 mL/min/1.73 m 2 (IQR 38-77). At 1-year post-SABR, the median eGFR decline was 5 mL/min/1.73 m 2 (IQR -3 to 9). One patient required dialysis following SABR. Conclusion: This analysis demonstrates excellent local control rates across patients with localized, recurrent, and metastatic RCC treated with SABR. Treatment was associated with minimal eGFR decline. Competing Interests: The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: Walter M. Stadler has acted as a member of the Data and Safety Monitoring Board for AstraZeneca, Merck, Pfizer, and Treadwell Therapeutics, and a consultant for AstraZeneca, Aveo, Caremark/CVS, EMA Wellness, Fortress Biotech, and XenCor. Sean P. Pitroda is co-founder and Chief Medical Officer of PersonaDx (including equity) and reports intellectual property unrelated to the current manuscript. (© 2024 The Author(s).)
Databáze:	MEDLINE
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