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Meta-Analysis
. 2020 Jun;28(6):2701-2712.
doi: 10.1007/s00520-019-05077-5. Epub 2019 Oct 31.

Radiotherapy-related quality of life in patients with head and neck cancers: a meta-analysis

Xiuhong Ge  1 , Zhengluan Liao  2 , Jianhua Yuan  3 , Dewang Mao  3 , Yumei Li  3 , Enyan Yu  4 , Xunheng Wang  5 , Zhongxiang Ding  6
Affiliations
Meta-Analysis

Radiotherapy-related quality of life in patients with head and neck cancers: a meta-analysis

Xiuhong Ge et al. Support Care Cancer. 2020 Jun.

Abstract

Objectives: To compare effects of intensity-modulated radiotherapy (IMRT) with those of conventional radiotherapy on quality of life (QoL) and severity of xerostomia in patients with head and neck cancer.

Material and methods: PubMed, Cochrane, and Embase databases were searched to July 1, 2019, to identify relevant studies, using the following terms: radiotherapy, head and neck cancer, quality of life, cognition, xerostomia, two-/three-dimensional conformal radiation therapy, IMRT, conformal proton beam radiation therapy, stereotactic radiosurgery, and volumetric modulated arc therapy. The outcomes of interest were QoL measured by global health status; emotional, social, and cognitive function; and severity of xerostomia.

Results: Seven studies with a total of 761 patients (n = 369 with IMRT; n = 392 with conventional RT) were included in this study. Median patient age was 18-65 years. IMRT group patients had better global health status (pooled standardized mean difference [SMD] = 0.80, 95% CI 0.26 to 1.35, P = 0.004) and cognitive function (pooled SMD = 0.30, 95% CI 0.06 to 0.54, P = 0.013) than the conventional RT group. Patients receiving IMRT also had significantly lower scores for xerostomia than those receiving conventional RT (pooled SMD = - 0.60, 95% CI - 0.97 to - 0.24, P = 0.001). No differences were found in emotional function (P = 0.531) and social function (P = 0.348) between the two groups.

Conclusion: IMRT significantly improves QoL and reduces the severity of xerostomia in patients with head and neck cancer. Results of this study provide clinicians with guidelines for decisions on the use of IMRT versus conventional RT.

Keywords: Conventional radiation therapy; Dry mouth; Head and neck cancer; Intensity-modulated radiotherapy; Quality of life.

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