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Metabolomics studies on cachexia in patients with cancer: a scoping review protocol
Liang Fu1,2, Lin Chen2, Rufang Li1
1Department of Nursing, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, Zhejiang, China.
Introduction:
Cancer seriously threatens human health worldwide. Cancer cachexia is one of the life-threatening consequences that occurs commonly in patients with cancer, and severely worsens patient survival, prognosis and quality of life. Previous studies have demonstrated that cancer cachexia is closely related to differential metabolites and metabolic pathways based on metabolomics analysis. This scoping review protocol, therefore, aims to provide the strategy for a formal scoping review that will summarise the differential metabolites and related metabolic pathways of cachexia in patients with cancer.
Methods And Analysis:
The proposed scoping review will follow the Arksey and O'Malley's methodological framework, Levac et al's recommendations for applying this framework, and Peters' enhancements of the framework. The key information from the selected studies will be extracted, including author, year of publication, cachexia definition, country/origin, study design, setting, population and sample size, biological specimens, independent variables, independent variables' measure and statistical analysis. A summary of metabolites will be divided into several sections depending on the biological specimen. Differential metabolites will be compared between paired groups, and the number and names of related metabolic pathways will be counted and described. The reporting of this scoping review will be in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for Scoping Reviews checklist. This is a scoping review protocol and describes the planned review process and provides data examples extracted from a pilot study to confirm the feasibility of further investigation of the subject.
Ethics And Dissemination:
An ethical approval is not required for this scoping review protocol, nor for the scoping review. The results of this scoping review will be disseminated through publication in a peer-reviewed journal, or presentation at a national or international conference.
