Brigham and Women's Hospital
To determine the safety of moderately hypofractionated radiation in the treatment of primary and locally recurrent RPS, based on the evaluation of acute radiation-related toxicity profile of each participant (30-day radiation toxicity)
To determine the safety of moderately hypofractionated radiation in the treatment of primary and locally recurrent RPS, based on the evaluation of acute radiation-related toxicity profile of each participant (30-day radiation toxicity)
Inclusion Criteria: * Participants must have a histologically confirmed STS of the retroperitoneal space or infra-peritoneal spaces of pelvis * Participant must have radiologically measurable disease (RECIST 1.1), as confirmed by abdomino-pelvic CT or MRI * Participant must have primary, locally recurrent, or metastatic disease requiring treatment of the retroperitoneal mass * Tumor must be suitable for radiotherapy and surgery based on pre-treatment CT scan/MRI in multidisciplinary discussion with surgeon and radiation oncologist (anticipated macroscopically complete resection, R0/R1 resecti…
In this study, patients will receive a hypofractionated course of radiation therapy of 2.85 Gy x 15 fractions (42.75 Gy). If there are 2 or more patients with dose-limiting toxicities, the radiation course will be de-escalated to 2.7 Gy x 15 fractions (40.5 Gy).
This group is receiving hypofractionated radiation therapy (shorter course of RT)
Arctuva estimate
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