The effect of oral omega-3 polyunsaturated fatty acid supplementation on muscle maintenance and quality of life in patients with cancer: A systematic review and meta-analysis

Chung Nga Lam*, Elisabeth Isenring, Marian de van der Schueren, Barbara S Van der Meij

*Corresponding author for this work

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Abstract

Rationale: Omega-3 polyunsaturated fatty acid (PUFA) supplementation is a promising therapy for cancer-relatedmalnutrition, which affects 20-70% of patients with cancer1,2. This systematic review aimed to examine the effects of oralomega-3 PUFA supplementation on muscle maintenance and quality of life in patients with cancer.
Methods: Randomised controlled trials in cancer patients aged >18 years were retrieved from 5 electronic databases;MEDLINE (via PubMed), EMBASE, CENTRAL, CINAHL (via EBSCOhost), and Web of Science, from database inceptionuntil 31st of December 2019. Trials supplementing ≥600 mg/d omega-3 PUFA (oral capsules, pure fish oil or oralnutritional supplements) or a control intervention for ≥3 weeks were included. Meta-analyses were performed in RevManto determine the mean differences (MD) in muscle mass and quality of life between omega-3 PUFA and control groupswith 95% confidence intervals (CI) and I2 for heterogeneity.
Results: We included 33 studies in patients with various types of cancers and degrees of malnutrition. The Cochrane riskof bias tool graded most trials as ‘unclear’ or ‘high’ risk of bias. Meta-analyses showed oral omega-3 PUFA supplementsimproved physical functioning (MD: 6.33; 95% CI: 0.32, 12.34, p=0.04; I2=0%) and potentially reduced fatigue (MD: -6.21;95% CI: -13.473, 1.05, p=0.09; I2=14%). However, there was no significant effect of omega-3 PUFA supplements onmuscle mass, global health status, emotional functioning and symptoms (nausea and vomiting, loss of appetite anddiarrhoea).
Conclusion: This review provides evidence for the benefits of oral omega-3 PUFA supplementation on quality of life butnot on muscle maintenance in patients with cancer. Well-designed large-scale randomised controlled trials inhomogenous patient cohorts are required to confirm these findings.
Original languageEnglish
Article numberLB-237
Number of pages667
JournalClinical Nutrition ESPEN
Volume40
Early online date9 Nov 2020
DOIs
Publication statusPublished - Dec 2020
Event42nd ESPEN Virtual Congress - Online
Duration: 19 Sept 202021 Sept 2020
Conference number: 42nd
https://espencongress.com/

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  • Research by Master of Nutrition and Dietetic Practice Students

    Isenring, E. (Supervisor), Marshall, S. (Supervisor), Reidlinger, D. (Project Lead), Kelly, J. (Supervisor), Cox, G. (Supervisor), Van der Meij, B. (Supervisor), MacKenzie-Shalders, K. (Supervisor), Mayr, H. (Supervisor), Utter, J. (Associate Professor), Dahl, C. (Masters by Coursework Student), Crichton, M. (Masters by Coursework Student), O'Bryan, K. R. (Masters by Coursework Student), Norris, R. (Masters by Coursework Student), Fahey, M. (Masters by Coursework Student), Davidson, A. (Masters by Coursework Student), Naranjo, A. (Masters by Coursework Student), Mahoney, S. (Masters by Coursework Student), Eberhardt, F. (Masters by Coursework Student), Dalwood, P. (Masters by Coursework Student), Lopez, E. (Masters by Coursework Student), Hofto, S. (Masters by Coursework Student), Innerarity, C. (Masters by Coursework Student), So, D. (Masters by Coursework Student), McIntosh, A. (Masters by Coursework Student), Gadd, N. (Masters by Coursework Student), Chan, H. C. (Masters by Coursework Student), Lan, X. (Masters by Coursework Student), Fei, X. (Masters by Coursework Student), Kostjasyn, S. (Masters by Coursework Student), Adhyaru, P. (Masters by Coursework Student), Giang, J. (Masters by Coursework Student), Leung, E. L. Y. (Masters by Coursework Student), Strike, K. (Project Roles), Pearcy, J. (Masters by Coursework Student), Somani, A. (Masters by Coursework Student), Wright, C. (Masters by Coursework Student), Matthews, C. (Masters by Coursework Student), Lee, G. (Masters by Coursework Student), Tang, X. (Associate Investigator) & Eso, A. (Associate Investigator)

    1/01/1431/12/27

    Project: Research

  • Oncology Nutrition Research

    Isenring, E. (Project Lead), Marshall, S. (Senior Research Fellow), Van der Meij, B. (Senior Research Fellow), Rigby, R. (Associate Investigator), Teleni, L. (HDR Student), Crichton, M. (HDR Student) & Tang, X. (Admin)

    1/01/14 → …

    Project: Research

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