Abstract 280P
Background
Head and neck squamous cell carcinoma (HNSCC) is a well-known malignancy in the older population. However, there is scarcity of data on the effect of chemoradiation on them. We did a posthoc analysis of a randomized study conducted at our institution to understand this effect.
Methods
We did a posthoc analysis of the study where the patients received chemoradiation. The database of this study was used for the present analysis. We evaluated the differences in demography, grade 3 or worse adverse events, compliance of treatment, loco-regional control (LRC), progression free survival (PFS) and overall survival (OS) between older (≥ 60 years) and the younger patients.
Results
Out of 300 patients, 283 (94.3%) comprised the younger cohort (age < 60 years) while the older cohort included 17 (5.7%) patients. There was no difference in the occurrence of severe (grade 3/4) toxicities in the older cohort when compared to the younger patients. At a median follow up period of 22 months (range, 3-51), the cumulative LRC at 2 years was 67.1% and 100% in younger and the older group respectively (P = 0.018). The estimated median PFS in younger patients was 24.4 months (95% CI, 12.5 to 36.3), while it was not reached in the older group (P = 0.53). The estimated median OS was 41.3 months in the younger and not reached in the older group (P = 0.613).
Conclusions
Older patients with locally advanced HNSCC who received radical concurrent cisplatin-based chemoradiotherapy showed significantly better LRC. Older patients experienced similar adverse events as compared to the younger ones.
Clinical trial identification
Editorial acknowledgement
Legal entity responsible for the study
The authors.
Funding
Has not received any funding.
Disclosure
All authors have declared no conflicts of interest.
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