Stereotactic body radiotherapy (SBRT) for multiple pulmonary oligometastases: Analysis of number and timing of repeat SBRT as impact factors on treatment safety and efficacy.

Klement, R J; Hoerner-Rieber, J; Adebahr, S; Andratschke, N; Blanck, O; Boda-Heggemann, J; Duma, M; Eble, M J; Eich, H C; Flentje, M; Gerum, S; Hass, P; Henkenberens, C; Hildebrandt, G; Imhoff, D; Kahl, K H; Klass, Natalie Désirée; Krempien, R; Lohaus, F; Petersen, C; ... (2018). Stereotactic body radiotherapy (SBRT) for multiple pulmonary oligometastases: Analysis of number and timing of repeat SBRT as impact factors on treatment safety and efficacy. Radiotherapy and oncology, 127(2), pp. 246-252. Elsevier 10.1016/j.radonc.2018.02.016

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BACKGROUND

Stereotactic body radiotherapy (SBRT) for oligometastatic disease is characterized by an excellent safety profile; however, experiences are mostly based on treatment of one single metastasis. It was the aim of this study to evaluate safety and efficacy of SBRT for multiple pulmonary metastases.

PATIENTS AND METHODS

This study is based on a retrospective database of the DEGRO stereotactic working group, consisting of 637 patients with 858 treatments. Cox regression and logistic regression were used to analyze the association between the number of SBRT treatments or the number and the timing of repeat SBRT courses with overall survival (OS) and the risk of early death.

RESULTS

Out of 637 patients, 145 patients were treated for multiple pulmonary metastases; 88 patients received all SBRT treatments within one month whereas 57 patients were treated with repeat SBRT separated by at least one month. Median OS for the total patient population was 23.5 months and OS was not significantly influenced by the overall number of SBRT treatments or the number and timing of repeat SBRT courses. The risk of early death within 3 and 6 months was not increased in patients treated with multiple SBRT treatments, and no grade 4 or grade 5 toxicity was observed in these patients.

CONCLUSIONS

In appropriately selected patients, synchronous SBRT for multiple pulmonary oligometastases and repeat SBRT may have a comparable safety and efficacy profile compared to SBRT for one single oligometastasis.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Haematology, Oncology, Infectious Diseases, Laboratory Medicine and Hospital Pharmacy (DOLS) > Clinic of Radiation Oncology

UniBE Contributor:

Klass, Natalie Désirée

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0167-8140

Publisher:

Elsevier

Language:

English

Submitter:

Beatrice Scheidegger

Date Deposited:

21 Jun 2018 16:08

Last Modified:

05 Dec 2022 15:11

Publisher DOI:

10.1016/j.radonc.2018.02.016

PubMed ID:

29510865

Uncontrolled Keywords:

Oligometastasis Oligorecurrence Repeat SBRT Stereotactic body radiotherapy

BORIS DOI:

10.7892/boris.112889

URI:

https://boris.unibe.ch/id/eprint/112889

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