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Κυριακή 13 Φεβρουαρίου 2022

Definitive radiation therapy and liver local therapy in de novo liver metastatic nasopharyngeal carcinoma: Large cohort study

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Abstract

Background

We aimed to evaluate patients suitable for definitive radiation therapy (DRT) and liver local therapy (LLT) in addition to palliative chemotherapy (PCT) among those with de novo liver metastatic nasopharyngeal carcinoma (lmNPC).

Methods

The overall survival (OS) and progression-free survival (PFS) rates were calculated and compared in 610 patients with lmNPC.

Results

Both the PCT+DRT and PCT+DRT+LLT groups had better survival outcomes than the PCT group. Among patients with complete response/partial response (CR/PR) after PCT, no significant differences in survival rates were observed between those treated with PCT+DRT and PCT+DRT+LLT (2-year PFS: 27.0% vs. 32.9%, p = 0.263). Among patients with progressive disease/stable disease (PD/SD) after PCT, significantly better survival rates were observed in patients treated with PCT+DRT+LLT.

Conclusions

DRT might benefit patients with lmNPC regardless of the tumor response after PCT. For patients with CR/PR, LLT might not be needed. For patients with PD/SD, LLT might improve survival outcomes.

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