Radiotherapy concepts for spinal metastases—results from an online survey among radiation oncologists of the German Society for Radiation Oncology

Purpose Spinal metastases (SM) are a common radiotherapy (RT) indication. There is limited level I data to drive decision making regarding dose regimen (DR) and target volume definition (TVD). We aim to depict the patterns of care for RT of SM among German Society for Radiation Oncology (DEGRO) memb...

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Published in:Strahlentherapie und Onkologie 2024-02, Vol.200 (2), p.159-174
Main Authors: Waltenberger, Maria, Vogel, Marco M. E., Bernhardt, Denise, Münch, Stefan, Dobiasch, Sophie, Redmond, Kristin J., Lo, Simon S., Acker, Güliz, Fehlings, Michael G., Ringel, Florian, Vajkoczy, Peter, Meyer, Bernhard, Combs, Stephanie E.
Format: Article
Language:English
Subjects:
Humans
Medicine
Medicine & Public Health
Metastasis
Oncology
Original
Original Article
Radiation Oncologists
Radiation Oncology
Radiation therapy
Radiosurgery - methods
Radiotherapy
Spinal cancer
Spinal Neoplasms - radiotherapy
Spinal Neoplasms - secondary
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Summary:Purpose Spinal metastases (SM) are a common radiotherapy (RT) indication. There is limited level I data to drive decision making regarding dose regimen (DR) and target volume definition (TVD). We aim to depict the patterns of care for RT of SM among German Society for Radiation Oncology (DEGRO) members. Methods An online survey on conventional RT and Stereotactic Body Radiation Therapy (SBRT) for SM, distributed via e‑mail to all DEGRO members, was completed by 80 radiation oncologists between February 24 and April 29, 2022. Participation was voluntary and anonymous. Results A variety of DR was frequently used for conventional RT (primary: n  = 15, adjuvant: n  = 14). 30 Gy/10 fractions was reported most frequently. TVD in adjuvant RT was heterogenous, with a trend towards larger volumes. SBRT was offered in 65% (primary) and 21% (adjuvant) of participants’ institutions. A variety of DR was reported (primary: n  = 40, adjuvant: n  = 27), most commonly 27 Gy/3 fractions and 30 Gy/5 fractions. 59% followed International Consensus Guidelines (ICG) for TVD. Conclusion We provide a representative depiction of RT practice for SM among DEGRO members. DR and TVD are heterogeneous. SBRT is not comprehensively practiced, especially in the adjuvant setting. Further research is needed to provide a solid data basis for detailed recommendations.
ISSN:0179-7158
1439-099X
1439-099X
DOI:10.1007/s00066-023-02082-w