Plasma and neutrophil fatty acid composition in advanced cancer patients and response to fish oil supplementation
2002

Fatty Acid Composition in Advanced Cancer Patients and Fish Oil Supplementation

Sample size: 23 publication 10 minutes Evidence: moderate

Author Information

Author(s): Pratt V C, Watanabe S, Bruera E, Mackey J, Clandinin M T, Baracos V E, Field C J

Primary Institution: University of Alberta

Hypothesis

Patients with advanced cancer have altered fatty acid composition, and fish oil supplementation may improve this status.

Conclusion

Fish oil supplementation increased certain fatty acids in plasma but did not significantly change neutrophil fatty acid levels in advanced cancer patients.

Supporting Evidence

  • Patients with advanced cancer had low levels of plasma phospholipids and fatty acids.
  • Fish oil supplementation raised eicosapentaenoic acid and docosahexaenoic acid content in plasma.
  • 20:4 n-6 content was reduced in neutrophil phospholipids after fish oil supplementation.
  • Change in body weight during supplementation was related to increases in eicosapentaenoic acid in plasma.

Takeaway

This study looked at how fish oil affects the fats in the blood of cancer patients, finding that while it helped some fats in the blood, it didn't change the fats in their immune cells.

Methodology

Patients with advanced cancer were given either fish oil or placebo for 14 days, and their blood was analyzed for fatty acid composition.

Potential Biases

Potential biases due to the small sample size and lack of control for all demographic factors.

Limitations

The study had a small sample size and was not controlled for all variables.

Participant Demographics

Patients with advanced cancer experiencing weight loss, with a mean BMI of 20.7 kg/m².

Statistical Information

P-Value

0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/sj.bjc.6600659

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