Published in:
01-01-2016 | Commentary
Defining cancer-related fatigue for biomarker discovery
Authors:
Kristin Filler, Leorey N. Saligan
Published in:
Supportive Care in Cancer
|
Issue 1/2016
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Excerpt
Cancer-related fatigue (CRF) is a prominent and distressing symptom for cancer patients that can impair their overall health-related quality of life [
1]. CRF is often described as a complex and multidimensional concept consisting of physical, cognitive, affective, spiritual, psychosocial, and environmental factors [
1,
2]. Assessment of CRF is obtained from responses on various valid, self-report questionnaires established from several theoretical models of CRF. The complexity of CRF as a concept and the variability in the method of CRF assessment pose a challenge to investigators attempting to understand the etiology of CRF. Establishing a clear definition of a phenomenon, such as CRF, is an essential starting point for phenotypic characterization and biomarker discovery [
3]. Therefore, this commentary aims to increase our awareness of the need for better definition and clearer phenotypic characterization of CRF. …