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J Clin Oncol. 2004 Aug 15;22(16):3375-80.

Phase I trial of preoperative doxorubicin-based concurrent chemoradiation and surgical resection for localized extremity and body wall soft tissue sarcomas.

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  • 1Multidisciplinary Sarcoma Center, Department of Biostatistics, The University of Texas M.D. Anderson Cancer Center, 1515 Holcombe Blvd, Houston, Texas 77030-4009, USA. ppisters@mdanderson.org

Abstract

PURPOSE:

The primary objective of this phase I trial was to define the maximum-tolerated dose of continuous-infusion doxorubicin administered with standard preoperative radiation for patients with localized, potentially resectable soft tissue sarcomas of the extremities or body wall.

PATIENTS AND METHODS:

Twenty-seven patients with radiographically resectable intermediate- or high-grade soft tissue sarcomas were treated. Preoperative external-beam radiation was administered in 25 2-Gy fractions (total dose, 50 Gy). Concurrent continuous-infusion doxorubicin was administered by an initial bolus (4 mg/m(2)) and subsequent 4-day continuous infusion (12.5, 15.0, 17.5, or 20.0 mg/m(2)/wk). Radiographic restaging was performed 4 to 7 weeks after chemoradiation, and patients with localized disease underwent surgical resection.

RESULTS:

Chemoradiation was completed as an outpatient procedure in 25 patients (93%). The maximum-tolerated dose of continuous-infusion doxorubicin combined with standard preoperative radiation was 17.5 mg/m(2)/wk; at this dose level, seven (30%) of 23 patients had grade 3 dermatologic toxicity. Macroscopically complete resection (R0 or R1) was performed in all 26 patients who underwent surgery. Among 22 patients who were treated with doxorubicin 17.5/mg/m(2)/wk with concurrent radiation and subsequent surgery, 11 patients (50%) had 90% or greater tumor necrosis, including two patients who had complete pathologic responses.

CONCLUSION:

Preoperative doxorubicin-based chemoradiation appears safe and feasible. The maximum-tolerated dose of continuous-infusion doxorubicin with standard preoperative radiation was 17.5 mg/m(2)/wk. Pathologic response rates with this regimen are encouraging.

PMID:
15310783
DOI:
10.1200/JCO.2004.01.040
[PubMed - indexed for MEDLINE]
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