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[Concurrent chemoradiotherapy with either CDDP or CDGP, plus 5-FU for squamous cell carcinoma of the oropharynx and hypopharynx].

Authors
  • Tomita, Masahiko
  • Matsuyama, Hiroshi
  • Yamazaki, Keisuke
  • Sato, Katsuro
  • Takahashi, Sugata
Type
Published Article
Journal
Gan to kagaku ryoho. Cancer & chemotherapy
Publication Date
Jun 01, 2012
Volume
39
Issue
6
Pages
921–925
Identifiers
PMID: 22705686
Source
Medline
License
Unknown

Abstract

Clinical outcomes of 53 patients with oropharyngeal and hypopharyngeal squamous cell carcinoma, treated from January, 2000 to December, 2008 by concurrent chemoradiotherapy of either CDDP or CDGP, plus 5-FU were investigated. Patients were treated with either CDDP (70 mg/m2) or CDGP (100 mg/m2) on day 1 of the chemotherapy regime, with 5-FU (700 mg/m2/day) as a continuous infusion for 5 days. Each regimen was administered as two courses in the first and final weeks of radiotherapy. Radiotherapy was administered at a daily dose of 2 Gy for five days a week, with patients receiving a total of 70 Gy by the end of seven weeks. The primary cancer was located in the oropharynx and hypopharynx in 21 and 32 patients, respectively. Twenty-six patients (49.1%) had stage IVA disease and 10 patients (18.9%) had overall stage I to II disease. Acute adverse events such as pharyngeal mucositis and leucopenia occurred in 49.1% and 43.4% of patients, respectively, and second round chemotherapy was not commenced in 56.6% of patients (n=30) due to significant adverse events. Mean weight loss following treatment was 4.1 kg. After a median follow-up of 30.0 months, 3-year overall survival was 53.0% for advanced carcinoma of the oropharynx and hypopharynx. Five-year overall survival was 46.4%. Patients receiving two courses of chemotherapy had an improved 5-year survival compared to patients receiving one course (67.0% vs 32.8%). Results indicate a significant benefit from two courses of chemotherapy. As such, minimizing the incidence of adverse effects and thereby reducing treatment discontinuation will likely improve overall treatment outcomes.

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