Subtitle
A Systematic Review of Proton Therapy for the Management of Nasopharyngeal Cancer
Subtitle
A Systematic Review of Proton Therapy for the Management of Nasopharyngeal Cancer
Proto therapy Time
June 2021
Executive summary
This review examined 9 original studies and found that the oncologic outcomes of PBT were similar to IMRT with 2-year local and regional progression-free survival (LRFS) ranging from 84% to 100%, 2-year progression-free survival (PFS) ranging from 75% to 88.9%, and 2-year overall survival (OS) ranging from 88% to 95% in the up-front setting.
Four comparison studies with IMRT found significantly lower feeding tube rates (20% versus 65%, P = .015; and 14% versus 85%, P < .001) with proton therapy as well as lower mucositis (G2 46% versus 70%, P = .019; and G3 11% versus 76%, P = .0002). All other acute and late effects were largely improved with proton therapy but not statistically significant.
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