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Effect of Long Biliopancreatic Limb RYGB on Weight Loss and Comorbidities (Elegance)

This study has been completed.
Information provided by (Responsible Party):
Rijnstate Hospital Identifier:
First received: September 13, 2012
Last updated: June 2, 2016
Last verified: June 2016

Morbid obesity is an increasing medical problem in the western countries. It's related to comorbidities as diabetes mellitus, hypertension, OSAS, arthrosis and hypercholesterolemia. The Roux-en-Y Gastric Bypass (RYGB) is an effective surgical therapy for morbidly obese patients. A part of these patients will have disappointing results, and have weight regain on the long term. Some studies show more weight reduction by increasing the biliopancreatic limb in patients with morbid obesity.

The objective of this study is to investigate the effect of variations in the length of biliopancreatic limb on weight reduction in morbidly obese patients undergoing RYGB-surgery. We hypothesize that longer biliopancreatic limb results in more weight reduction.

The study design is a prospective, randomized control trial. The patients will be randomized in 2 groups: a standard RYGB (short biliopancreatic limb) and long biliopancreatic limb RYGB.

Condition Intervention
Morbid Obesity
Procedure: Roux-en-Y Gastric Bypass

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Parallel Assignment
Masking: Single Blind (Subject)
Primary Purpose: Treatment
Official Title: 'Effect of Long biLiopancrEatic Limb lenGth in lAparoscopic Roux-eN-Y Gastric Bypass on Weight Loss and Comorbidities in Patients With Morbid obEsity: a Prospective Randomized Control Trial'

Resource links provided by NLM:

Further study details as provided by Rijnstate Hospital:

Primary Outcome Measures:
  • Weight reduction [ Time Frame: 2 years ] [ Designated as safety issue: No ]
    excess weight loss (%EWL)

Secondary Outcome Measures:
  • Decrease in comorbidities [ Time Frame: 2 years ] [ Designated as safety issue: No ]
    diabetes mellitus, hypertension, hypercholesterolemia, arthrosis

  • Quality of life [ Time Frame: 2 years ] [ Designated as safety issue: No ]
    SF-36 and BAROS

  • Complications and re-operations [ Time Frame: 2 years ] [ Designated as safety issue: Yes ]
    bleeding, wound infections, intra-abdominal abcess, anastomosis leakage, vitamine deficiencies

Enrollment: 280
Study Start Date: July 2012
Study Completion Date: April 2016
Primary Completion Date: January 2016 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Active Comparator: Primairy long biliopancreatic limb RYGB
Roux limb 75 cm and Biliopancreatic Limb 150 cm
Procedure: Roux-en-Y Gastric Bypass
Active Comparator: Redo Long biliopancreatic limb RYGB
Roux limb 75 cm and Biliopancreatic limb 150 cm
Procedure: Roux-en-Y Gastric Bypass
Active Comparator: Primairy standard RYGB
Roux limb 150 cm and Biliopancreatic limb 75 cm
Procedure: Roux-en-Y Gastric Bypass
Active Comparator: Redo standard RYGB
Roux limb 150 cm and Biliopancreatic limb 75 cm
Procedure: Roux-en-Y Gastric Bypass


Ages Eligible for Study:   18 Years to 65 Years   (Adult)
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

Patient eligible for bariatric surgery according Fried guidelines

Primary Gastric bypass

  • BMI 35 - 40 with a comorbidity
  • or BMI > 40

Redo- operation

  • medical history: gastric sleeve/ mason / gastric band
  • all BMI levels

Exclusion Criteria:

  • Exclusion criteria for bariatric surgery (Fried Guidelines)
  • Patients with language problems that interveins to follow medical advises
  • Genetic diseases that intervens to follow medical advises
  • Chronic bowel diseases
  • Nephrologic (MDRD <30) of liver diseases (AST/ALT more than twice the norm)
  • Pregnancy
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01686997

Rijnstate Hospital
Arnhem, Netherlands
Sponsors and Collaborators
Rijnstate Hospital
Principal Investigator: F.J. Berends, MD, PhD Rijnstate Hospital
  More Information

Responsible Party: Rijnstate Hospital Identifier: NCT01686997     History of Changes
Other Study ID Numbers: Elegance01 
Study First Received: September 13, 2012
Last Updated: June 2, 2016
Health Authority: Netherlands: The Central Committee on Research Involving Human Subjects (CCMO)

Keywords provided by Rijnstate Hospital:
Bariatric surgery
Roux-en-Y Gastric Bypass

Additional relevant MeSH terms:
Weight Loss
Obesity, Morbid
Nutrition Disorders
Body Weight
Signs and Symptoms
Body Weight Changes processed this record on October 21, 2016