Trial of Enteral Nutrition Enriched With Eicosapentaenoic Acid (EPA) in Upper Gastrointestinal Cancer Surgery

This is an enteral tube feed with 125 kcals \& 6.65g protein per 100mls. It contains Fat, Carbohydrate, and vitamins and minerals and is enriched with 2.2g Eicosapentaenoic Acid per 500mls of feed. Patients on this trial who are randomized to Prosure will receive the product orally for 5 days prior to surgery and for 21 days post surgery vis a feeding jejunostomy tube

This is a standard enteral tube feed with 150 kcals \& 6.3 g protein per 100mls as well as carbohydrate, fat and vitamins and minerals. It does not have any active immunonutrients. Patients randomized to this arm will receive the product for 5 days pre op and 21 days post surgery via a feeding jejunostomy tube