Clinical Trial Between Laparoscopic Gastric Bypass and Laparoscopic Vertical Banded Gastroplasty for Morbid Obesity

Randomized Clinical Trial Between Laparoscopic Gastric Bypass and Laparoscopic Vertical Banded Gastroplasty for Morbid Obesity

Status

Completed

Phases

Phase 4

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT01639677

Acronym

LOK

Enrollment

100

Registered

2012-07-13

Start date

2000-04-30

Completion date

2010-08-31

Last updated

2012-07-13

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

Conditions

Morbid Obesity

Keywords

Obesity, weight loss, surgery, gastric bypass, VBG

Brief summary

This is a randomized clinical trial assessing the outcome of two surgical strategies to treat severe obesity; laparoscopic gastric bypass and laparoscopic VBG. Main outcome is weight loss and weight loss maintenance but other factors as body composition, eating pattern, metabolic normalisation, energy expenditure will also be assessed.

Interventions

PROCEDURELaparoscopic gastric bypass

Laparoscopic gastric bypass surgery

PROCEDURELaparoscopic VBG

Laparoscopic vertical banded gastroplasty

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Masking

NONE

Eligibility

Sex/Gender

ALL

Age

20 Years to 60 Years

Healthy volunteers

Inclusion criteria

* BMI 35-50 kg/m2 * 20-60 y

Exclusion criteria

* Severe co-morbidity * Unmotivated to long term follow up

Design outcomes

Primary

Measure	Time frame
Weight loss	1, 2, 5 and 10 years after surgery

Secondary

Measure	Time frame
Body composition	1, 2, 5 and 10 years after surgery
Eating pattern	1, 2, 5 and 10 years after surgery
Energy expenditure	1, 2, 5 and 10 years after surgery
Gut hormonal response	4 and 10 years after surgery

Countries

Sweden

Outcome results

None listed

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