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[The docetaxel radiosensitization experience for the treatment of unresectable esophageal cancer]
Shoji Maruyama1, Michio Maruyama, Hideaki Tanami
1Dept. of Surgery, Tokyo Metropolitan Health and Medical Treatment Corporation Ohkubo Hospital.
Background:
Docetaxel is an increasingly important drug for the treatment of esophageal cancer. The docetaxel radiosensitization has been established in cancer cell lines. The therapeutic response and toxicity of a weekly docetaxel in combination with radiotherapy for unresectable esophageal cancer were examined.
Methods:
Ten patients with locally advanced or metastatic squamous cell esophageal cancer were recruited in the following protocol. The median age was 65.7 years. Patients received radiation in 2 Gy single daily fractions to a total dose of 60 Gy. Docetaxel (10 mg/m2) was administered weekly for 6 consecutive weeks.
Results:
One patient could not be evaluated. The overall response rate was 77% with 11% CR and 66% PRs. Mild grade 2 leukocytes toxicity was observed in 2/10 patients, which enforced the treatment absence for 7-14 days. Grade 2 stomatitis was noted in one patient. No severe grade 3 adverse effects were observed.
Conclusion:
It is concluded that low dose docetaxel with radiotherapy is feasible and, a high response rate can be expected. Toxicity is modest, and this protocol may be useful for the outpatients or neoadjuvant chemotherapy.
