The trial will use neoadjuvant hypofractionated radiotherapy followed by surgical resection in the treatment for soft tissue sarcoma. It will allow patients to be treated over a shorter course (5 or 15 days of radiation) compared to the traditional 5 week regimen. It is proposed that this will be possible without increasing the risk of wound complication or local recurrence compared with a traditional 5 week course of pre-operative radiation.
Study Objectives: Primary: * To investigate the efficacy of neoadjuvant hypo-fractionated radiotherapy (HRT) followed by surgical resection in the treatment of soft tissue sarcoma (STS) as measured by local control * Examine the side effect profile using Radiation Therapy Oncology Group (RTOG) and Common Terminology Criteria for Adverse Events (CTCAE) acute and late side effects criteria and major and minor post-operative complication rates. OUTLINE: Patients are assigned to 1 of 2 groups by the radiation oncologist. GROUP I (ULTRA-HYPOFRACTIONATION \[UH\]): Patients undergo HRT daily for a total of 5 fractions followed by surgery. GROUP II (MODERATE HYPOFRACTIONATION \[MH\]): Patients undergo HRT daily for a total of 15 fractions followed by surgery. After completion of study treatment, patients are followed up within 3 months, then every 3-6 months for a minimum of 2 years.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
40
Vanderbilt-Ingram Cancer Center
Nashville, Tennessee, United States
RECRUITINGLocal control rate
Will be estimated with a Beta-Binomial model with Beta(0.5, 0.5) as the prior distribution. The median and a 95% credible interval of the posterior distribution will be reported.
Time frame: Approximately 2 years
Complication rate
The complication rate will be modeled with a Beta-Binomial model with Beta(0.5, 0.5) as the prior distribution, and it will be monitored continuously throughout the study. The complication rate will also be modeled with a Beta-Binomial model with Beta(0.5, 0.5) as the prior distribution, and it will be monitored continuously throughout the study.
Time frame: Approximately 2 years
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15 fractions of pre-operative radiation