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Whey Protein

Subjects will receive an oral nutrition regimen comprised of 50% of their Resting Energy Expenditure (REE) as dextrose and 20% of their REE as pressurized whey protein

Subjects will receive a peripheral parenteral nutrition (PPN) regimen comprised of 50% of their Resting Energy Expenditure (REE) as dextrose and 20% of their REE as amino acids.

Ten (10) subjects will be randomly assigned to receive an oral nutrition regimen comprised of 50% of their REE as dextrose and 20% of their REE as pressurized whey protein. Subjects will undergo a six-hour stable isotope infusion protocol one day before surgery (to obtain baseline data) and on the first post-operative day. During both infusion protocols, subjects will be asked to carry out their assigned oral nutrition regimen. To minimize fasting during the perioperative period all subjects will receive peripheral parenteral nutrition (PPN) at the time of surgical incision until the first postoperative day.

Oral Nutrition with dextrose and pressurized whey protein

Ten (10) subjects will be randomly assigned to receive peripheral parenteral nutrition (PPN) regimen comprised of 50% of their REE as dextrose and 20% of their REE as amino acids. Subjects will undergo a six-hour stable isotope infusion protocol one day before surgery (to obtain baseline data) and on the first post-operative day. During both infusion protocols, subjects will be asked to carry out their assigned PPN regimen. To minimize fasting during the perioperative period all subjects will receive PPN at the time of surgical incision until the first postoperative day.

Peripheral Parenteral Nutrition

Franco Carli, M.D.

A prospective, randomized controlled study, using stable isotope methodology, is proposed to determine whether an oral nutrition support regimen, containing pressurized whey protein and glucose, is more effective at normalizing the metabolic response to surgery than a standard peripheral parenteral nutrition (PPN) support regimen, containing amino acids and glucose, in colorectal surgical patients studied before and after surgery. The effectiveness of the nutrition support regimens will be determined by: whole body protein balance, synthesis rates of hepatic secretory proteins, resting energy expenditure and substrate utilization, as well as circulating metabolites concentrations.

Oral Versus Parenteral Nutrition Support to Improve Protein Balance in Colorectal Surgical Patients

Oral Versus Parenteral Perioperative Nutrition Support to Improve Protein Balance: Stable Isotope Study in Colorectal Surgical Patients

Whole body protein balance (the difference between protein synthesis and protein breakdown) as assessed by the kinetics of a stable, non-radioactive, isotope tracer infusion of L-\[1-13C\] leucine

Synthesis rates of hepatic secretory proteins, including the classically positive acute phase reactant fibrinogen and the classically negative acute phase reactant albumin, as assessed by incorporation of the stable, non-radioactive, isotope tracer L-\[2H5\] phenylalanine into plasma Very Low Density Lipoprotein ApolipoproteinB100.

Study title	NCT ID	Conditions	Interventions	Eligibility	Organization	Link
Oral Versus Parenteral Nutrition Support to Improve Protein Balance in Colorectal Surgical Patients	NCT01222208	Colon Cancer	Oral Nutrition ... Peripheral Pare...	18 Years - 85 Years	McGill University Health Centre/Research Institute of the McGill University Health Centre
Oral Versus Parenteral Nutrition Support to Improve Protein Balance in Colorectal Surgical Patients	NCT01222208	Colon Cancer	Oral Nutrition ... Peripheral Pare...	18 Years - 85 Years	McGill University Health Centre/Research Institute of the McGill University Health Centre

Spots Global Cancer Trial Database for oral nutrition with dextrose and pressurized whey protein