Efficacy of intensified hyperfractionated and accelerated radiotherapy and concurrent chemotherapy with carboplatin and 5-fluorouracil: Updated results of a randomized multicentric trial in advanced head-and-neck cancer

Robert Semrau*, Rolf Peter Mueller, Hartmut Stuetzer, Susanne Staar, Ursula Schroeder, Orlando Guntinas-Lichius, Martin Kocher, Hans Theodor Eich, Andreas Dietz, Michael Flentje, Volker Rudat, Peter Volling, Michael Schroeder, Hans Edmund Eckel

*Korrespondierende/r Autor/-in für diese Arbeit
69 Zitate (Scopus)

Abstract

Purpose: To prove an expected benefit of concurrent radiochemotherapy (RCT), a two-arm randomized multicentric study was performed. In a subgroup analysis the influence of pretherapeutical hemoglobin level (p-Hb) on survival under locoregional control (SLC) was tested. Patients and Methods: The study included primarily untreated Stage III/IV (International Union Against Cancer [UICC]) oropharyngeal and hypopharyngeal carcinomas. Patients were randomized to receive either hyperfractionated (hf) and accelerated (acc) RCT with two cycles 5-fluorouracil (600 mg/m2/day) and carboplatin (70 mg/m 2/day) on Days 1-5 and 29-33 or hf-acc radiotherapy (RT) alone. Total RT dose in both arms was 69.9 Gy in 38 days in concomitant boost technique. Results: After a median follow-up time of 57 months, SLC is significantly better in RCT than in RT (p = 0.01), with median SLC of 17 months and 11 months, respectively. Also overall survival (OS) shows a benefit for RCT (p = 0.016), with a median survival of 23 months for RCT and 16 months for RT. However, the benefit in SLC and OS is not seen in hypopharyngeal carcinomas. In a multivariate analysis of oropharyngeal cancer patients, p-Hb levels lower than 12.7 g/dL resulted in lower SLC compared with higher p-Hb levels up to 13.8 g/dL. P-Hb levels >13.8 g/dL did not further improve SLC. Conclusions: Hyperfractionated-accelerated RCT is superior to hf-acc RT in oropharyngeal carcinomas. P-Hb levels >13.8 g/dL do not further improve SLC.

OriginalspracheEnglisch
ZeitschriftInternational Journal of Radiation Oncology Biology Physics
Jahrgang64
Ausgabenummer5
Seiten (von - bis)1308-1316
Seitenumfang9
ISSN0360-3016
DOIs
PublikationsstatusVeröffentlicht - 01.04.2006

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