Modulation of postoperative immune response by enteral nutrition with a diet enriched with arginine, RNA, and omega-3 fatty acids in patients with upper gastrointestinal cancer.

  • 1 February 1995
    • journal article
    • clinical trial
    • Vol. 161  (2) , 115-22
Abstract
To find out whether an enteral diet supplemented with arginine, RNA, and omega-3 fatty acids modulated the production of interleukin-1 (IL-1), interleukin-2 (IL-2), IL-2 receptor, interleukin-6 (IL-6), and tumour necrosis factor alpha (TNF-alpha) after operations for upper gastrointestinal cancer. Prospective double blind clinical study. University hospital, Germany. 42 patients randomised into two groups (n = 21 each), one of which was given an isocaloric and isonitrogenous placebo diet and one of which was fed the same diet supplemented with arginine, RNA, and omega-3 fatty acids. The cytokines were measured before operation and on postoperative days 1, 3, 7, 10, and 16. Comparison of concentrations of cytokines in the two groups. Among those receiving the placebo diet (after spontaneous stimulation) IL-6 concentrations were significantly higher on days 3 and 7 (p < 0.05) and TNF-alpha concentrations on day 7. In contrast (after stimulation with phytohaemagglutinin) mean concentrations of IL-2 receptor were significantly higher on days 3 and 7, and of IL-1 beta and IL-2 on day 16 (p < 0.05) in the group receiving the supplemented diet. Supplementation of an enteral diet with arginine, RNA and omega-3 fatty acids can modulate the acute phase reaction as indicated by the reduction in concentrations of TNF-alpha and IL-6 in the group fed the supplemented diet. Patients receiving the supplemented diet also showed accelerated recovery in the concentrations of IL-1 beta and IL-2 receptor.

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