Perioperative Nutrition in Gastric Bypass Surgery

Perioperative Nutrition in Gastric Bypass Surgery for Morbid Obesity

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT00549237

Enrollment

200

Registered

2007-10-25

Start date

2007-11-30

Completion date

2012-11-30

Last updated

2013-09-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Gastric Bypass, Postoperative Complications

Keywords

RYGBP, Early nutrition, Lean body mass, Length of stay, Body Composition

Brief summary

The aim of this study is to demonstrate the influence of peri-operative nutrition on the preservation of lean body mass after gastric bypass, as well as it's influence on postoperative complications.

Detailed description

Outcome measures: * Lean body mass * Length of hospital stay * Weight loss * Postoperative complications * Cost

Interventions

DIETARY_SUPPLEMENTGlucose load (Nutricia)

Pre-operative glucose load: 800 ml of PreOp (Nutricia) 12 h before surgery; 400 ml of PreOp (Nutricia) 2 hours before surgery

OTHERPost operative early enteral feeding

Enteral feeding starting 6 hours post surgery

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Masking

NONE

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Inclusion criteria

* RYGBP surgery planned * Age over 18 * Informed consent

Exclusion criteria

* Previous bariatric surgery

Design outcomes

Primary

Measure	Time frame
Post-operative body mass composition	2 years

Secondary

Measure	Time frame
Post-operative complications	30 days
Length of stay	2 weeks

Countries

Switzerland

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026