Copenhagen, Denmark
Onsite/Online

ESTRO 2022

Session Item

Monday
May 09
08:45 - 10:00
Room D4
New era of personalised radiotherapy in soft tissue sarcomas
André Abrunhosa-Branquinho, Portugal;
Dorota Gabrys, Poland
Symposium
Clinical
08:45 - 09:03
Hypofractionated radiotherapy in soft tissue sarcomas: A new standard of care?
Mateusz Spałek, Poland
SP-0693

Abstract

Hypofractionated radiotherapy in soft tissue sarcomas: A new standard of care?
Authors:

Mateusz Spałek1

1 Maria Sklodowska-Curie National Research Institute of Oncology, Department of Soft Tissue/Bone Sarcoma and Melanoma, Warsaw, Poland

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Abstract Text

There is growing evidence that hypofractionated radiotherapy (HFRT) could be a possible preoperative therapeutic approach in patients with localized soft tissue sarcomas (STS). Despite the encouraging data from several prospective phase 2 single-arm clinical trials with moderate and extreme hypofractionation, HFRT is still considered experimental in STS. HFRT was introduced in several cancers like rectal, prostate, and breast cancer. Moreover, it has a strong radiobiological rationale, mostly due to the predicted low α/β ratio for STS. Highly conformal radiotherapy techniques enabled significant sparing of healthy tissues that are at risk of late complications theoretically associated with HFRT. Furthermore, fears that HFRT could result in an unacceptably high rate of late radiation-induced toxicity was not confirmed in hypofractionated treatment for breast and prostate cancer patients where cosmetic and functional outcome played a very important role in conducted clinical trials. Are we ready for HFRT in SRS?