The Role of Prophylactic Cranial Irradiation for Non-small Cell Lung Cancer

Background: The use of prophylactic cranial irradiation (PCI) to treat brain metastases (BM) in non-small cell lung cancer (NSCLC) is restricted due to the potential associated toxicity and lack of survival benefit. BM can have a negative impact on neurocognitive function (NF) and quality of life (QOL). The aim of this review was to assess the impact of PCI on disease-specific and NF and QOL outcomes. Materials and Methods: An electronic database literature search was completed to identify relevant studies. Results: Fourteen published articles were included. PCI significantly reduced the incidence of BM, but no significant survival advantage was found. NF decline was reported in one trial. No significant difference in QOL with PCI was reported. PCI was well tolerated by the majority of patients with NSCLC and associated with a relatively low toxicity. Conclusion: PCI reduces the incidence of BM without any significant survival advantage. PCI has the potential to be beneficial in practice for certain patients with locally advanced NSCLC, based on disease factors and patient preference.

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