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Strahlenther Onkol. 2013 Jun;189(6):482-5. doi: 10.1007/s00066-013-0312-7. Epub 2013 Apr 21.

Effect of concurrent chemotherapy and hyperthermia on outcome of preoperative radiotherapy of high-risk soft tissue sarcomas.

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1
Department of Radiation Oncology, Eberhard-Karls-University Tübingen, Hoppe-Seyler-Strasse 3, Tübingen, Germany.

Abstract

BACKGROUND AND PURPOSE:

As treatment results for high-risk soft tissue sarcoma are still disappointing, treatment intensification is warranted. We performed a retrospective analysis of multimodal preoperative treatment to evaluate the additional effect of concurrent chemotherapy and/or locoregional hyperthermia in comparison to radiotherapy alone.

PATIENTS AND METHODS:

Between 1999 and 2011, 28 patients were treated with neoadjuvant radiotherapy to a median 45 Gy for high-risk soft tissue sarcoma. All tumors were deep-seated and grade 2 or 3, 86% (n = 24) larger than 5 cm. Multimodal treatment (n = 12) consisted of ifosfamide (n = 7), locoregional hyperthermia (n = 3), or both modalities (n = 2) concurrent to radiotherapy.

RESULTS:

Prognostic factors (grade, size, histology, location) were balanced in the groups with and without concurrent multimodal treatment. There was a significant improvement of disease-specific survival (100% vs. 70% at 3 years, p = 0.03) with multimodal treatment. Distant metastases-free survival was influenced, but was not statistically significant. Local control and disease-free survival did not differ in the two groups.

CONCLUSION:

Our data suggest that multimodal treatment with ifosfamide and/or locoregional hyperthermia in combination with neoadjuvant radiotherapy might improve outcome in high-risk soft tissue sarcomas.

PMID:
23604183
DOI:
10.1007/s00066-013-0312-7
[Indexed for MEDLINE]
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