GCG and cancer: Martin et al. have demonstrated that Glucagon-like-peptide-2 (GLP-2) alone in parenteral nutrition, without enteral feeding, stimulated indices of intestinal adaptation in an animal study, human trials are awaited.[84] Strong, evidence-based support with regard to immunonutrition, with dipeptide glutamine and alanyl-glutamine, is emerging, and similarly the role of a combination of omega-3-fatty acids and 5-flurouracil combination in patients with cancer are being investigated.[85]