Skip to main content
Erschienen in: Strahlentherapie und Onkologie 10/2022

13.06.2022 | Original Article

Bone-only oligometastatic renal cell carcinoma patients treated with stereotactic body radiotherapy: a multi-institutional study

verfasst von: Cem Onal, Ozan Cem Guler, Pervin Hurmuz, Guler Yavas, Burak Tilki, Ezgi Oymak, Cagdas Yavas, Gokhan Ozyigit

Erschienen in: Strahlentherapie und Onkologie | Ausgabe 10/2022

Einloggen, um Zugang zu erhalten

Abstract

Purpose

This study aimed to analyze the prognostic factors associated with overall survival (OS) and progression-free survival (PFS) in patients with bone-only metastatic renal cell carcinoma (RCC) who have five or fewer lesions treated with stereotactic body radiotherapy (SBRT).

Methods

The clinical data of 54 patients with 70 bone metastases undergoing SBRT treated between 2013 and 2020 with a dose of at least 5 Gy per fraction and a biologically effective dose (BED) of at least 90 Gy were retrospectively evaluated.

Results

The majority of lesions were located in the spine (57.4%) and had only one metastasis (64.8%). After a median follow-up of 22.4 months, the 1‑ and 2‑year OS rates were 84.6% and 67.3%, respectively, and median OS was 43.1 months. The 1‑ and 2‑year PFS rates and median PFS were 63.0%, 38.9%, and 15.3 months, respectively. In SBRT-treated lesions, the 1‑year local control (LC) rate was 94.9%. Age, metastasis localization, and number of fractions of SBRT were significant prognostic factors for OS in univariate analysis. In multivariate analysis, patients with spinal metastasis had better OS compared to their counterparts, and patients who received single-fraction SBRT had better PFS than those who did not. No patient experienced acute or late toxicities of grade 3 or greater.

Conclusion

Despite excellent LC at the oligometastatic site treated with SBRT, disease progression was observed in nearly half of patients 13 months after metastasis-directed local therapy, particularly as distant disease progression other than the treated lesion, necessitating an effective systemic treatment to improve treatment outcomes.
Literatur
15.
Zurück zum Zitat Franzese C, Marvaso G, Francolini G et al (2021) The role of stereotactic body radiation therapy and its integration with systemic therapies in metastatic kidney cancer: a multicenter study on behalf of the AIRO (Italian Association of Radiotherapy and Clinical Oncology) genitourinary study group. Clin Exp Metastasis 38(6):527–537. https://​doi.​org/​10.​1007/​s10585-021-10131-w CrossRefPubMed Franzese C, Marvaso G, Francolini G et al (2021) The role of stereotactic body radiation therapy and its integration with systemic therapies in metastatic kidney cancer: a multicenter study on behalf of the AIRO (Italian Association of Radiotherapy and Clinical Oncology) genitourinary study group. Clin Exp Metastasis 38(6):527–537. https://​doi.​org/​10.​1007/​s10585-021-10131-w CrossRefPubMed
16.
Zurück zum Zitat Ning S, Trisler K, Wessels BW, Knox SJ (1997) Radiobiologic studies of radioimmunotherapy and external beam radiotherapy in vitro and in vivo in human renal cell carcinoma xenografts. Cancer 80(12 Suppl):2519–2528 PubMed Ning S, Trisler K, Wessels BW, Knox SJ (1997) Radiobiologic studies of radioimmunotherapy and external beam radiotherapy in vitro and in vivo in human renal cell carcinoma xenografts. Cancer 80(12 Suppl):2519–2528 PubMed
Metadaten
Titel
Bone-only oligometastatic renal cell carcinoma patients treated with stereotactic body radiotherapy: a multi-institutional study
verfasst von
Cem Onal
Ozan Cem Guler
Pervin Hurmuz
Guler Yavas
Burak Tilki
Ezgi Oymak
Cagdas Yavas
Gokhan Ozyigit
Publikationsdatum
13.06.2022
Verlag
Springer Berlin Heidelberg
Erschienen in
Strahlentherapie und Onkologie / Ausgabe 10/2022
Print ISSN: 0179-7158
Elektronische ISSN: 1439-099X
DOI
https://doi.org/10.1007/s00066-022-01962-x

Weitere Artikel der Ausgabe 10/2022

Strahlentherapie und Onkologie 10/2022 Zur Ausgabe

Update Onkologie

Bestellen Sie unseren Fach-Newsletter und bleiben Sie gut informiert.