Abstract
The aim of the study is to analyze the relationship between the degree of response to induction chemotherapy and the disease control in patients with locally advanced laryngeal carcinomas candidates to total laryngectomy. This retrospective study includes 389 patients with T3–T4 laryngeal tumors candidates to total laryngectomy, diagnosed between 1985 and 2013, treated with induction chemotherapy in an organ preservation protocol. Five-year local recurrence-free survival for patients receiving conservative treatment with radiotherapy after a complete response to induction chemotherapy was 75.4%; for patients with partial response greater than 50%, it was 62.0%; and for patients with the absence of response, it was 32.7%. There were significant differences in local recurrence-free survival and laryngeal dysfunction-free survival according to the response to induction chemotherapy (P = 0.0001) at the expense of patients with absence of response to induction chemotherapy. Patients with partial response greater than 50% treated with radiotherapy had a tendency to have worse local recurrence-free survival and laryngeal dysfunction-free survival than patients with complete response, but the differences did not reach statistical significance. Patients with the absence of response after induction chemotherapy had significant differences in disease-specific survival according to the second treatment: for patients treated with surgery it was 70.2%, whereas for patients treated with radiotherapy, it was 28.2% (P = 0.0001). In patients with the absence of response to induction chemotherapy, conservative treatment with radiotherapy implies a significant decrease in survival.
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This study was supported by a Grant from the Instituto de Salud Carlos III (FIS PI14/01918). Fondo Europeo de Desarrollo Regional (FEDER), A Way to Build Europe.
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León, X., Valero, C., Rovira, C. et al. Relationship between response to induction chemotherapy and disease control in patients with advanced laryngeal carcinoma included in an organ preservation protocol. Eur Arch Otorhinolaryngol 274, 2581–2587 (2017). https://doi.org/10.1007/s00405-017-4548-1
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DOI: https://doi.org/10.1007/s00405-017-4548-1