Anticancer research · 2014
Predisposing factors for larynx preservation strategies with non-surgical multimodality treatment for locally advanced (T3-4) larynx, hypopharynx and cervical esophageal disease.
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Suzuki Gen, Yamazaki Hideya, Ogo Etsuyo, Abe Toshi, Eto Hidehiro, Muraki Koichiro, Hattori Chikayuki, Umeno Hirohito, Tanaka Norimitsu, Tanaka Toshiaki, Nakamura Satoaki, Yoshida Ken
Аннотация
AIM: To identify predisposing factors for larynx preservation strategies using non-surgical multimodality approaches.
PATIENTS AND METHODS: We retrospectively reviewed the records of 48 patients with T3-4 diseases (14 larynx, 19 hypopharynx, 15 cervical esophagus). Out of 48 patients, 33 refused surgery, and 15 were deemed inoperable, and a total of 25 were graded as T3 and 23 as T4. A total of 24 patients received induction chemotherapy. Radiotherapy was administered at a median dose of 61 Gy (range, 30-71 Gy). Concurrent chemotherapy was administered to all patients: intra-arterial infusion in 21, systemic infusion in 24, or both in 3.
RESULTS: Thirty-seven cases (77%) achieved a complete response. The 3-year local control, progression-free survival (PFS), overall survival (OS), and laryngeal preservation rates were 56%, 48%, 56%, and 73%, respectively. Tumor location, nodal involvement, and pre-treatment serum hemoglobin values were identified as predisposing factors for local control, PFS, and OS. Multivariate analysis revealed that the pre-treatment serum hemoglobin levels and tumor location were significant prognostic factors for PFS.
CONCLUSION: Tumor location and pre-treatment hemoglobin levels are important prognostic factors for PFS for non-surgical multimodal organ preservation treatment.
PATIENTS AND METHODS: We retrospectively reviewed the records of 48 patients with T3-4 diseases (14 larynx, 19 hypopharynx, 15 cervical esophagus). Out of 48 patients, 33 refused surgery, and 15 were deemed inoperable, and a total of 25 were graded as T3 and 23 as T4. A total of 24 patients received induction chemotherapy. Radiotherapy was administered at a median dose of 61 Gy (range, 30-71 Gy). Concurrent chemotherapy was administered to all patients: intra-arterial infusion in 21, systemic infusion in 24, or both in 3.
RESULTS: Thirty-seven cases (77%) achieved a complete response. The 3-year local control, progression-free survival (PFS), overall survival (OS), and laryngeal preservation rates were 56%, 48%, 56%, and 73%, respectively. Tumor location, nodal involvement, and pre-treatment serum hemoglobin values were identified as predisposing factors for local control, PFS, and OS. Multivariate analysis revealed that the pre-treatment serum hemoglobin levels and tumor location were significant prognostic factors for PFS.
CONCLUSION: Tumor location and pre-treatment hemoglobin levels are important prognostic factors for PFS for non-surgical multimodal organ preservation treatment.