This study is investigating the feasibility of preoperative 5-day hypofractionated radiotherapy (HFRT) for extremity soft tissue sarcoma (STS). The primary objective is to assess the uptake of 5-day HFRT in patients with STS who are candidates for preoperative radiotherapy and limb preserving surgery. Secondary objectives include evaluation of the rates of favorable pathologic response, major wound complications, local control, acute toxicity, and 1-year late toxicity will be assessed. Exploratory objectives include evaluation of the impact of preoperative 5-day HFRT on access to care, the socio-demographic profile of the trial participants will be compared to that of extremity STS patients seen within Hollings Cancer Center (HCC) and recommended preoperative conventional fractionation radiotherapy (CFRT) in the 3 years prior to the study opening. The retention rate for radiotherapy at HCC in patients meeting trial criteria during the prior 3 years will be compared with the retention rate for radiotherapy during the study period. An exploratory analysis will measure serum SFRP2 pre- and post- radiotherapy to assess changes in response to preoperative 5-day HFRT. Changes in serum SFRP2 will be evaluated for association with a favorable pathologic response to determine the potential of serum SFRP2 as a predictive biomarker. Patient satisfaction with the decision to participate in a trial of preoperative 5-day HFRT will be assessed.
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Feasibility of 5-day HFRT
Timeframe: Up to 3 years