MIPS

Metabolic Impact of Dietary Protein Supplementation in Surgical Weight Loss

Coordinatore	CONSORCI INSTITUT D'INVESTIGACIONS BIOMEDIQUES AUGUST PI I SUNYER    more  Organization address address: CALLE ROSSELLO 149 PUERTA BJS city: BARCELONA postcode: 8036 contact info Titolo: Dr. Nome: Pastora Cognome: Martínez Samper Email: send email Telefono: 34932275707 Fax: 34932279205
Nazionalità Coordinatore	Spain [ES]
Totale costo	265˙736 €
EC contributo	265˙736 €
Programma	FP7-PEOPLE Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	FP7-PEOPLE-2012-IOF
Funding Scheme	MC-IOF
Anno di inizio	2013
Periodo (anno-mese-giorno)	2013-08-12   -   2017-02-11

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	CONSORCI INSTITUT D'INVESTIGACIONS BIOMEDIQUES AUGUST PI I SUNYER  Organization address address: CALLE ROSSELLO 149 PUERTA BJS city: BARCELONA postcode: 8036 contact info Titolo: Dr. Nome: Pastora Cognome: Martínez Samper Email: send email Telefono: 34932275707 Fax: 34932279205	ES (BARCELONA)	coordinator	265˙736.70

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 Obiettivo del progetto (Objective)

'Gastric bypass surgery (GBP) and vertical sleeve gastrectomy (VSG) result in 40% weight loss with normalization of metabolism in severely obese patients. Protein deficiencies have been described after bypass surgeries. Guidelines recommend protein supplementation after the surgery, but without evidence based data to support these recommendations. Dietary proteins have positive effects on energy homeostasis by inducing satiety, maintaining lean body mass and increasing resting energy expenditure during calorie restriction, but may promote insulin resistance. Our goal is to test the effect of standard (SP) or high (HP) levels of dietary protein supplementation in patients undergoing GBP and VSG, randomized to SP or HP, and studied before and up to 24 months after surgery. Compared to SP supplementation, HP supplementation will: 1) Reduce the improvement in glucose homeostasis and in insulin sensitivity 2) Prevent protein turnover 3) Decrease 24-h energy expenditure 4) Maintain a greater lean body mass 5) Increase satiety to a greater degree 6) Patients after VSG, a restrictive only surgery, will fair better than after GBP, a restrictive and malabsorptive surgery, in terms of protein balance This study will help develop evidence-based clinical recommendation for safe and efficient dietary protein supplementation and stratify risk during surgical weight loss.'