• Zoltán Takácsi-Nagy, Erika Hitre, Éva Remenár, Ferenc Oberna, Csaba Polgár, Tibor Major, Mária Gödény, János Fodor, and Miklós Kásler.
• Center of Radiotherapy, National Institute of Oncology, Ráth Gy. u.7-9., 1122, Budapest, Hungary, takacsi@oncol.hu.
• Strahlenther Onkol. 2015 Aug 1; 191 (8): 635-41.

PurposeConcurrent chemoradiotherapy (CRT) is the standard treatment for advanced head and neck squamous cell carcinoma. In this phase II randomized study, the efficacy and toxicity of docetaxel, cisplatin and 5-fluorouracil induction chemotherapy (ICT) followed by concurrent CRT was compared with those after standard CRT alone in patients with locally advanced, unresectable head and neck cancer.Patients And MethodsBetween January 2007 and June 2009, 66 patients with advanced (stage III or IV) unresectable squamous cell carcinoma of the head and neck (oral cavity, oropharynx, hypopharynx, and larynx) were randomly assigned to two groups: one receiving two cycles of docetaxel, cisplatin, and 5-fluorouracil ICT followed by CRT with three cycles of cisplatin and one treated by CRT alone. Response rate, local tumor control (LTC), locoregional tumor control (LRTC), overall survival (OS), progression-free survival (PFS), and toxicity results were assessed.ResultsThree patients from the ICT + CRT group did not appear at the first treatment, so a total of 63 patients were evaluated in the study (30 ICT + CRT group and 33 CRT group). Three patients died of febrile neutropenia after ICT. The median follow-up time for surviving patients was 63 months (range 53-82 months). The rate of radiologic complete response was 63% following ICT + CRT, whereas 70% after CRT alone. There were no significant differences in the 3-year rates of LTC (56 vs. 57%), LRTC (42 vs. 50%), OS (43 vs. 55%), and PFS (41 vs. 50%) in the ICT + CRT group and in the CRT group, respectively. The rate of grade 3-4 neutropenia was significantly higher in the ICT + CRT group than in the CRT group (37 and 12%; p = 0.024). Late toxicity (grade 2 or 3 xerostomia) developed in 59 and 42% in the ICT + CRT and CRT groups, respectively.ConclusionThe addition of ICT to CRT did not show any advantage in our phase II trial, while the incidence of adverse events increased. The three deaths as a consequence of ICT call attention to the importance of adequate patient selection if ICT is considered.

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