Efficacy, outcomes, and complication rates of different surgical and nonsurgical treatment modalities for recurrent/residual oropharyngeal carcinoma: A systematic review and meta-analysis

Abstract

Background

Treatment of recurrent oropharyngeal cancer is widely thought to have poor outcomes. Justification for treatment, especially in advanced cases, can be difficult.

Methods

A systematic search of MEDLINE, Embase, and Cochrane databases was conducted. Included studies reported specific recurrent oropharyngeal cancer survival data.

Results

Twenty-two retrospective studies were included. Pooled 3-year overall survival (OS) was 26% (95% confidence interval [CI] = 22% to 29%; I squared = 40.7%; p = .057). Pooled 5-year OS was 23% (95% CI = 20% to 27%; I squared = 73.9%; p = .000). Surgical treatment was superior to radiation (5-year OS 26% vs 16%, respectively; p < .001). The 5-year OS improved over time: 18% in the pre-2000 cohort; 35% in the mixed pre-2000 and post-2000 group; and 51% in the post-2000 cohort (p < .001).

Conclusion

Outcomes have improved considerably over the last 2 decades, resulting in approximately 50% overall 5-year survival. Human papillomavirus (HPV) status, patient selection, and improvements in care may explain this. © 2016 The Authors Head & Neck Published by Wiley Periodicals, Inc. Head Neck, 2016

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