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CompletedNCT00549237Updated Sep 6, 2013

Perioperative Nutrition in Gastric Bypass Surgery

An interventional study of Glucose load (Nutricia) and Post operative early enteral feeding in Postoperative Complications and Gastric Bypass, sponsored by University Hospital, Geneva. Completed at 1 site in Switzerland. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2013-09-06.

Sponsored by University Hospital, Geneva · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
200
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study 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.

Read the detailed description

Outcome measures:

  • Lean body mass
  • Length of hospital stay
  • Weight loss
  • Postoperative complications
  • Cost
02

Conditions studied

  • Postoperative Complications
  • Gastric Bypass

Keywords

  • RYGBP
  • Early nutrition
  • Lean body mass
  • Length of stay
  • Body Composition
03

In context

Postoperative Complications

1,233 studies on the registry are indexed under Postoperative Complications; 292 are open to participants now.

This study's enrollment of 200 is above the median of 119 across 689 interventional studies indexed under Postoperative Complications.

Browse Postoperative Complications studies →

Lead sponsor

University Hospital, Geneva is the lead sponsor of 372 studies on the registry; 68 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • RYGBP surgery planned
  • Age over 18
  • Informed consent

Exclusion criteria

Exclusion Criteria:

  • Previous bariatric surgery
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
200 participants (actual)

Study arms

  • Active comparator
    Nutrition

    Pre-operative Glucose load and post-operative immediate enteral nutrition

    Dietary Supplement: Glucose load (Nutricia) · Other: Post operative early enteral feeding

  • No intervention
    Control

    No pre-operative glucose load. No early post-operative nutrition

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

    Also known as: PreOp, Nutricia

  • OtherPost operative early enteral feeding

    Enteral feeding starting 6 hours post surgery

06

What researchers measure

Primary outcomes

  1. Post-operative body mass composition

    Time frame: 2 years

Secondary outcomes

  1. Post-operative complications

    Time frame: 30 days

  2. Length of stay

    Time frame: 2 weeks

07

Study locations

1 site
  • Hôpitaux Universitaires Genève
    Geneva, 1211, Switzerland
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Sep 6, 2013, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT00549237
Lead sponsor
University Hospital, Geneva
First posted
Oct 25, 2007
Start date
Nov 2007
Primary completion
Nov 2012
Completion
Nov 2012
Last update
Sep 6, 2013

Study contacts

Dan E Azagury, MD
principal investigator · University Hospital, Geneva

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Aug 2013. You cannot join it, but the record below documents what was studied.

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