NCT00273104

Brief Summary

This follow up study (\>1 year) aims to compare the effects of lifestyle intervention and gastric by pass surgery on various comorbidities associated with morbid obesity.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
180

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Dec 2005

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

December 1, 2005

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

January 5, 2006

Completed
4 days until next milestone

First Posted

Study publicly available on registry

January 9, 2006

Completed
6.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2012

Completed
5 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2017

Completed
Last Updated

April 19, 2018

Status Verified

April 1, 2018

Enrollment Period

7 years

First QC Date

January 5, 2006

Last Update Submit

April 18, 2018

Conditions

Outcome Measures

Primary Outcomes (1)

  • Improvement of co-morbidities

    1-year comparative nonrandomized controlled trial

    1-year after treatment start

Secondary Outcomes (1)

  • Safety issues

    1-year

Study Arms (2)

Bariatric surgery

ACTIVE COMPARATOR

Bariatric surgery (gastric bypass) offered to patients after informed consent and shared decision. The surgical procedure was performed at Vestfold Hospital Trust by experienced bariatric surgeons.

Procedure: Bariatric surgery

Intensive lifestyle intervention

ACTIVE COMPARATOR

Intensive lifestyle intervention (1-year endurance) at a rehabilitation centre. The intervention consisted of motivation for behaviour change including calorie restriction and increased physical activity.

Behavioral: Intensive lifestyle intervention

Interventions

Bariatric surgery as a part of public health service offered treatment seeking morbidly obese patients.

Bariatric surgery

Intensive lifestyle intervention as a part of public health service offered treatment seeking morbidly obese patients.

Intensive lifestyle intervention

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Morbidly obese patients

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Hospital in Vestfold

Tønsberg, 3117, Norway

Location

Related Publications (8)

  • Gabrielsen AM, Omland T, Brokner M, Fredheim JM, Jordan J, Lehmann S, Lund MB, Hjelmesaeth J, Hofso D. The effect of surgical and non-surgical weight loss on N-terminal pro-B-type natriuretic peptide and its relation to obstructive sleep apnea and pulmonary function. BMC Res Notes. 2016 Sep 13;9(1):440. doi: 10.1186/s13104-016-2241-x.

  • Hofso D, Birkeland KI, Holst JJ, Bollerslev J, Sandbu R, Roislien J, Hjelmesaeth J. Gastric bypass surgery has a weight-loss independent effect on post-challenge serum glucose levels. Diabetol Metab Syndr. 2015 Aug 22;7:69. doi: 10.1186/s13098-015-0066-8. eCollection 2015.

  • Gabrielsen AM, Lund MB, Kongerud J, Viken KE, Roislien J, Hjelmesaeth J, Hofso D. Pulmonary function and blood gases after gastric bypass and lifestyle intervention: a comparative study. Clin Obes. 2013 Oct;3(5):117-23. doi: 10.1111/cob.12024. Epub 2013 Jul 8.

  • Karlsen TI, Lund RS, Roislien J, Tonstad S, Natvig GK, Sandbu R, Hjelmesaeth J. Health related quality of life after gastric bypass or intensive lifestyle intervention: a controlled clinical study. Health Qual Life Outcomes. 2013 Feb 13;11:17. doi: 10.1186/1477-7525-11-17.

  • Nordstrand N, Hertel JK, Hofso D, Sandbu R, Saltvedt E, Roislien J, Os I, Hjelmesaeth J. A controlled clinical trial of the effect of gastric bypass surgery and intensive lifestyle intervention on nocturnal hypertension and the circadian blood pressure rhythm in patients with morbid obesity. Surgery. 2012 May;151(5):674-80. doi: 10.1016/j.surg.2011.12.007. Epub 2012 Jan 18.

  • Fredheim JM, Rollheim J, Omland T, Hofso D, Roislien J, Vegsgaard K, Hjelmesaeth J. Type 2 diabetes and pre-diabetes are associated with obstructive sleep apnea in extremely obese subjects: a cross-sectional study. Cardiovasc Diabetol. 2011 Sep 25;10:84. doi: 10.1186/1475-2840-10-84.

  • Hofso D, Jenssen T, Bollerslev J, Ueland T, Godang K, Stumvoll M, Sandbu R, Roislien J, Hjelmesaeth J. Beta cell function after weight loss: a clinical trial comparing gastric bypass surgery and intensive lifestyle intervention. Eur J Endocrinol. 2011 Feb;164(2):231-8. doi: 10.1530/EJE-10-0804. Epub 2010 Nov 15.

  • Hofso D, Nordstrand N, Johnson LK, Karlsen TI, Hager H, Jenssen T, Bollerslev J, Godang K, Sandbu R, Roislien J, Hjelmesaeth J. Obesity-related cardiovascular risk factors after weight loss: a clinical trial comparing gastric bypass surgery and intensive lifestyle intervention. Eur J Endocrinol. 2010 Nov;163(5):735-45. doi: 10.1530/EJE-10-0514. Epub 2010 Aug 26.

MeSH Terms

Conditions

Sleep Apnea, ObstructiveDiabetes MellitusHypertension

Interventions

Bariatric Surgery

Condition Hierarchy (Ancestors)

Sleep Apnea SyndromesApneaRespiration DisordersRespiratory Tract DiseasesSleep Disorders, IntrinsicDyssomniasSleep Wake DisordersNervous System DiseasesGlucose Metabolism DisordersMetabolic DiseasesNutritional and Metabolic DiseasesEndocrine System DiseasesVascular DiseasesCardiovascular Diseases

Intervention Hierarchy (Ancestors)

BariatricsObesity ManagementTherapeuticsSurgical Procedures, Operative

Study Officials

  • Jøran Hjelmesæth, MD PhD

    Hospital of Vestfold

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Head of Morbid Obesity Centre

Study Record Dates

First Submitted

January 5, 2006

First Posted

January 9, 2006

Study Start

December 1, 2005

Primary Completion

December 1, 2012

Study Completion

December 1, 2017

Last Updated

April 19, 2018

Record last verified: 2018-04

Locations