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J Clin Oncol. 2006 Feb 1;24(4):619-25.

Phase II study of neoadjuvant chemotherapy and radiation therapy in the management of high-risk, high-grade, soft tissue sarcomas of the extremities and body wall: Radiation Therapy Oncology Group Trial 9514.

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  • 1Department of Surgical Oncology, Roswell Park Cancer Institute, Buffalo, NY 14263, USA. william.kraybill@roswellpark.org

Abstract

PURPOSE:

On the basis of a positive reported single-institution pilot study, the Radiation Therapy Oncology Group initiated phase II trial 9514 to evaluate its neoadjuvant regimen in a multi-institutional Intergroup setting.

PATIENTS AND METHODS:

Eligibility included a high-grade soft tissue sarcoma > or = 8 cm in diameter of the extremities and body wall. Patients received three cycles of neoadjuvant chemotherapy (CT; modified mesna, doxorubicin, ifosfamide, and dacarbazine [MAID]), interdigitated preoperative radiation therapy (RT; 44 Gy administered in split courses), and three cycles of postoperative CT (modified MAID).

RESULTS:

Sixty-six patients were enrolled, of whom 64 were analyzed. Seventy-nine percent of patients completed their preoperative CT and 59% completed all planned CT. Three patients (5%) experienced fatal grade 5 toxicities (myelodysplasias, two patients; infection, one patient). Another 53 patients (83%) experienced grade 4 toxicities; 78% experienced grade 4 hematologic toxicity and 19% experienced grade 4 nonhematologic toxicity. Sixty-one patients underwent surgery. Fifty-eight of these were R0 resections, of which five were amputations. There were three R1 resections. The estimated 3-year rate for local-regional failure is 17.6% if amputation is considered a failure and 10.1% if not. Estimated 3-year rates for disease-free, distant-disease-free, and overall survival are 56.6%, 64.5%, and 75.1%, respectively.

CONCLUSION:

This combined-modality treatment can be delivered successfully in a multi-institutional setting. Efficacy results are consistent with previous single-institution results.

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PMID:
16446334
[PubMed - indexed for MEDLINE]
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