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Radiotherapy for locally advanced head and neck cancer in elderly patients: results and prognostic factors a single cohort

The objective of this study was to assess the treatment outcomes and prognostic factors of elderly patients with locally advanced head and neck cancer (LAHNC) undergoing radiotherapy (RT). A retrospective cohort from a single institution, from 2000 to 2015, including patients older than 65 years old...

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Bibliographic Details
Published in:Reports of practical oncology and radiotherapy 2021-01, Vol.26 (1), p.12-19
Main Authors: Viani, Gustavo Arruda, Faustino, Alexandre Ciufi, Danelichen, Anielle Freitas Bendo, Matsuura, Fernando Kojo, Neves, Leonardo Vicente Fay, Fernandes, Marco Henrique, Fernandes, Juliana Pavoni
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Language:English
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Summary:The objective of this study was to assess the treatment outcomes and prognostic factors of elderly patients with locally advanced head and neck cancer (LAHNC) undergoing radiotherapy (RT). A retrospective cohort from a single institution, from 2000 to 2015, including patients older than 65 years old with LAHNC (stage III-IVa) treated by RT combined or not with chemotherapy (CRT). Univariate and multivariate analysis (MVA) were performed to identify prognostic factors associated with overall survival (OS), cancer-specific survival (CS), and locoregional control (LRC). A p-value < 0.05 was considered significant. 220 patients with LAHNC and > 65 years of age were identified. The median follow-up was 3.8 years, the 3/5 years estimated OS, CS, and LRC rate was 40%/30%, 49%/34%, 76%/45%, respectively. In the univariate analysis, clinical stage (III . IVa/b, p = 0.01), tumor stage (T1/2 . T3/4, p = 0.035), Karnofsky performance status (KPS, 60-70, p = 0.03) and tumor site (other than . hypopharynx, p = 0.0001) were associated with lower OS. Patients with clinical stage (III . IVa/b, p = 0.01), tumor stage (T1/2 . T3/4, p = 0.015), N stage (N0/1 . N2/3, p = 0.04), (KPS 60-70, p = 0.04) and tumor site (other than . hypopharynx, p = 0.0001) had worst CS. For the LRC, clinical stage (III . IVa/b, p = 0.02), tumor stage (T1/2 . T3/4, p = 0.02), treatment type (CRT . RT, p = 0.02), RT technique (IMRT . 2DRT/3DRT, p = 0.0001), and tumor site (other than . hypopharynx, p = 0.02) were significant. In the MVA, KPS maintained significant for OS and CS. For LRC, clinical stage (Iva/b, p = 0.007), tumor stage (T3/4, p = 0.047) and radiotherapy technique other than IMRT (p = 0.0001) were significant. The OS, CS, and LRC were associated with several prognostic factors. The clinical performance was the main marker of OS and CS. Chemoradiation should be offered to selected elderly patients using IMRT to improve LRC.
ISSN:1507-1367
2083-4640
DOI:10.5603/RPOR.a2021.0002