Cancer-related fatigue: Definitions and clinical subtypes

Barbara F. Piper, David Cella

Research output: Contribution to journalReview articlepeer-review

59 Scopus citations

Abstract

Studies seeking to explain mechanisms associated with or causing fatigue are increasing; however, the underlying causes of fatigue remain largely unknown. Thus, identifying and predicting which patients may be at risk for developing fatigue, and tailoring interventions accordingly, are difficult. Whether fatigue experienced by patients with cancer can be classified into specific clinically significant subtypes would be useful to determine. These clinical subtypes might improve understanding of underlying mechanisms and help tailor treatment accordingly. This article refers to fatigue associated with cancer or its treatment as cancer-related fatigue (CRF). Given this broad designation, meant to encompass the array of causal mechanisms and treatment options, the authors recommend that meaningful clinical subtypes be articulated and differentiated. This article therefore reviews CRF definitions and proposes a nonexhaustive set of clinical subtypes that are intended to help sharpen thinking about causality and, ultimately, treatment recommendations.

Original languageEnglish (US)
Pages (from-to)958-966
Number of pages9
JournalJNCCN Journal of the National Comprehensive Cancer Network
Volume8
Issue number8
DOIs
StatePublished - Aug 2010

Keywords

  • Cancer-related fatigue
  • Case definitions
  • Cut scores
  • Definitions
  • Genotypes
  • Phenotypes
  • Subtypes
  • Symptom clusters

ASJC Scopus subject areas

  • Oncology

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