• Natalie Pulenzas, Luluel Khan, May Tsao, Liying Zhang, Breanne Lechner, Nemica Thavarajah, Elizabeth Barnes, Cyril Danjoux, Lori Holden, Natalie Lauzon, Parker Sheehan, Gillian Bedard, and Edward Chow.
• Rapid Response Radiotherapy Program, Department of Radiation Oncology, Odette Cancer Centre, Sunnybrook Health Sciences Centre, University of Toronto, 2075 Bayview Avenue, Toronto, Ontario, M4N 3M5, Canada.
• Support Care Cancer. 2014 Jul 1;22(7):1757-63.

PurposeWhole brain radiotherapy (WBRT) is a treatment strategy used commonly to relieve burdensome symptoms and improve quality of life (QOL) in patients with multiple brain metastases. The purpose of this study is to determine changes in fatigue score following WBRT as it is a common symptom experienced in this population.MethodsFatigue and overall QOL scores were collected prospectively in patients for up to 3 months post-WBRT by several questionnaires at different times including the following: Edmonton Symptom Assessment System (ESAS), Brain Symptom and Impact Questionnaire (BASIQ), Spitzer Questionnaire, European Organization for Research and Treatment of Cancer Quality of Life Questionnaire (EORTC QLQ-C30), EORTC brain module (EORTC QLQ-BN20+2), EORTC QLQ-C15-PAL, and Functional Assessment of Cancer Therapy-General (FACT-G). Questionnaires were grouped for analysis by Wilcoxon Signed Rank test according to the scale of ranking into 0-10, 1-4, and 0-4.ResultsThirty-six patients were interviewed with the ESAS or BASIQ. The median age was 65 years old, and median Karnofsky Performance Status (KPS) was 70. There was a significant increase in fatigue score from baseline to month 1 (p=0.02), and months 2 and 3 had no significant change. There was a significant correlation between fatigue and overall QOL score at baseline and month 1 (p=0.01, p<0.0001), respectively. Two hundred and twenty-eight patients were surveyed with Spitzer, C15-PAL, BN20+2, QLQ-C30, or FACT-G. Median age was 64 years old and median KPS was 80. Compared to baseline, fatigue score was significantly higher at month 1 (p<0.0001) and month 2 (p=0.001), with no significant change at month 3. Significant correlation was found between fatigue and overall QOL at baseline, months 1, 2 (p<0.0001), and 3 (p=0.0009). For all groups, there was no significant change in fatigue score between patients with or without dexamethasone (Dx), except for the fatigue changed score of the group with scale 0-4.ConclusionsFatigue was significantly increased from baseline to month 1 in all patients, and most patients experienced no difference in fatigue if they were receiving Dx. Increased fatigue was significantly related with decreased overall QOL.

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