Abstract
Purpose
Radical definitive surgery is the only curative treatment approach in resectable soft tissue sarcoma. Despite complete resection, patients with grade 2 and 3 soft tissue sarcoma are at high risk of local or distant recurrence. Local and systemic adjuvant treatment includes radiotherapy and chemotherapy, but the optimal scheduling is not known.
Methods
In this phase II clinical trial, we combined surgery with adjuvant chemotherapy and radiotherapy in a novel trimodality treatment sequence. Two to 6 weeks after surgery, patients received 2 cycles of chemotherapy containing doxorubicin and ifosfamide, then 50.4 Gy of percutaneous radiotherapy followed by additional 2 cycles of chemotherapy.
Results
Chemotherapy and radiotherapy-related toxicity was generally mild, without treatment delays in the majority of patients. After a median follow-up of 57 months, 81.5% of patients are alive in complete remission.
Conclusions
The sandwich chemoradiation protocol proved to be feasible with manageable toxicity. The patient outcome compared favorably with other adjuvant trials in preventing relapse, particularly distant relapse which is predictive of poor outcome. This multidisciplinary approach warrants further investigation in a larger randomized trial.
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The authors Wolfgang E. Berdel and Michael Thomas contributed equally and share senior authorship.
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Brandts, C.H., Schulz, C., Willich, N. et al. Adjuvant therapy for resectable high-risk soft tissue sarcoma: feasibility and efficacy of a sandwich chemoradiotherapy strategy. Cancer Chemother Pharmacol 69, 613–620 (2012). https://doi.org/10.1007/s00280-011-1731-8
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DOI: https://doi.org/10.1007/s00280-011-1731-8