• Oriana Ciacio, Thibault Voron, Gabriella Pittau, Maité Lewin, Eric Vibert, René Adam, Antonio Sa Cunha, Daniel Cherqui, Astrid Schielke, Olivier Soubrane, Olivier Scatton, Chady Salloum, Daniel Azoulay, Stéphane Benoist, Perrine Goyer, Jean-Christophe Vaillant, Laurent Hannoun, Emmanuel Boleslawski, Hélène Agostini, Didier Samuel, and Denis Castaing.
• Centre Hépato-biliaire, Paul Brousse Hospital - APHP, 12-14 Avenue Paul Vaillant Couturier, 94800 Villejuif, France. oriana.ciacio@pbr.aphp.fr.
• Bmc Cancer. 2014 Jan 1;14:980.

BackgroundMalnutrition is an independent risk factor of postoperative morbidity and mortality and it's observed in 20 to 50% of surgical patients. Preoperative interventions to optimize the nutritional status, reduce postoperative complications and enteral nutrition has proven to be superior to the parenteral one. Moreover, regardless of the nutritional status of the patient, surgery impairs the immunological response, thus increasing the risk of postoperative sepsis. Immunonutrition has been developed to improve the immunometabolic host response in perioperative period and it has been proven to reduce significantly postoperative infectious complications and length of hospital stay in patients undergoing elective gastrointestinal surgery for tumors. We hypothesize that a preoperative oral immunonutrition (ORAL IMPACT®) can reduce postoperative morbidity in liver resection for cancer.Methods/DesignProspective multicenter randomized placebo-controlled double-blind phase IV trial with two parallel treatment groups receiving either study product (ORAL IMPACT®) or control supplement (isocaloric isonitrogenous supplement--IMPACT CONTROL®) for 7 days before liver resection for cancer. A total of 400 patients will be enrolled. Patients will be stratified according to the type of hepatectomy, the presence of chronic liver disease and the investigator center. The main end-point is to evaluate in intention-to-treat analysis the overall 30-day morbidity. Secondary end-points are to assess the 30-day infectious and non-infectious morbidity, length of antibiotic treatment and hospital stay, modifications on total food intake, compliance to treatment, side-effects of immunonutrition, impact on liver regeneration and sarcopenia, and to perform a medico-economic analysis.DiscussionThe overall morbidity rate after liver resection is 22% to 42%. Infectious post-operative complications (12% to 23%) increase the length of hospital stay and costs and are responsible for a quarter of 30-day mortality. Various methods have been advocated to decrease the rate of postoperative complications but there is no evidence to support or refute the use of any treatment and further trials are required. The effects of preoperative oral immunonutrition in non-cirrhotic patients undergoing liver resection for cancer are unknown. The present trial is designed to evaluate whether the administration of a short-term preoperative oral immunonutrition can reduce postoperative morbidity in non-cirrhotic patients undergoing liver resection for cancer.Trial RegistrationClinicaltrial.gov: NCT02041871.

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