Pilot trial found no clear recovery benefit from supplements around gastrointestinal cancer surgery
A small trial found no significant clinical or inflammatory-marker improvements with arginine plus omega-3 around surgery compared with standard care.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Adding arginine and omega-3 around gastrointestinal cancer surgery did not produce statistically significant differences in mortality, infections, hospital stay, intensive-care duration or inflammatory markers compared with standard care. This abstract-based pilot trial found no clear added benefit under the tested conditions, while its small sample leaves uncertainty about effects a larger study might detect.
The trial was a small, open-label pilot in a clinically varied group. The abstract gives no confidence intervals for the main clinical comparisons, so nonsignificant results cannot establish equivalence or exclude a meaningful benefit.
What researchers found
Mortality at 1 month
Supplementation versus standard care: the statistical test did not detect a difference. This p-value does not quantify the size of any mortality effect.
Clinical outcomes and blood markers
The researchers assessed postoperative complications and recovery alongside inflammation-related blood markers. Neither category showed statistically significant differences between groups. The blood results should be read separately from direct outcomes such as infections and survival.
The comparison has a narrow scope
Participants were adults having planned gastrointestinal cancer surgery, and supplementation was tested around their operation. The authors describe a small, varied study group and call for larger trials to clarify the findings.
The original publication
Effect of Perioperative Supplementation with Arginine and Omega-3 on Postoperative Complications in Patients Undergoing Gastrointestinal Cancer Surgery: A Pilot Open-Label Randomized Controlled Trial.
Sakhri S, Othman RB, Jerbi C et al.
Nutrients · 2026
- PubMed ID
- 41754168
- Record checked
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