Status:

RECRUITING

Predictors of Weight Loss and Metabolic Health After Bariatric Surgery

Lead Sponsor:

Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)

Collaborating Sponsors:

Obesitas Kliniek B.V.

Radboud University Medical Center

Conditions:

Obesity, Morbid

Insulin Sensitivity

Eligibility:

All Genders

18-75 years

Brief Summary

In this prospective study the investigators aim to identify preoperative predictors of improvement of metabolic health and weight loss after bariatric surgery focusing on inflammation, insulin sensiti...

Detailed Description

Obesity is the result of a complex interplay between genetic and epigenetic predisposition, environment, physical activity, nutrition and psychology. It is a debilitating disorder and a risk factor fo...

Eligibility Criteria

Inclusion

  • Ability to provide informed consent
  • Patient is ≥ 18 and ≤ 75 years old
  • BMI ≥ 40 kg/m2 or ≥ 35 kg/m2 with obesity related comorbidity
  • Scheduled for primary bariatric procedure: Roux-en-Y gastric bypass (RYGB) or Sleeve Gastrectomy (SG)
  • Stable weight 3 months prior to inclusion weight (\<10% change in body weight for 3 months prior to assessments)
  • In order to be eligible to participate in the subgroup of this study, we will use the following inclusion criteria:
  • Ability to provide informed consent
  • Patient is ≥ 18 and ≤ 75 years old
  • BMI ≥ 40 kg/m2 or ≥ 35 kg/m2 with obesity related comorbidity
  • Patients scheduled for RYGB
  • Patients who are insulin resistant (impaired fasting glucose (\> 5.6 mmol/L) or fasting insulin \> 74 pmol/L)
  • Postmenopausal women (to prevent bias due to the effect of sex hormones on insulin sensitivity)

Exclusion

  • Any actual medical condition except for obesity related health issues or well treated hypothyroidism
  • Pregnancy anticipated in the first two years following surgery
  • A potential subject who meet the following criteria will be excluded from participation in the subgroup of this study:
  • Coagulation disorders and/or use anticoagulants
  • Use of any medication except for statins, antihypertensives (except for Angiotensine converting enzyme (ACE)- or angiotensin receptor blockers) and thyroid hormone
  • Diabetes mellitus type 2

Key Trial Info

Start Date :

January 19 2023

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

August 31 2027

Estimated Enrollment :

1200 Patients enrolled

Trial Details

Trial ID

NCT05987631

Start Date

January 19 2023

End Date

August 31 2027

Last Update

August 14 2023

Active Locations (3)

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Page 1 of 1 (3 locations)

1

Nederlandse Obesitas Kliniek Gouda

Gouda, South Holland, Netherlands, 2803PW

2

Nederlandse Obesitas Kliniek Den Haag

The Hague, South Holland, Netherlands, 2591XR

3

Nederlandse Obesitas Kliniek Nieuwegein

Nieuwegein, Utrecht, Netherlands, 3431HK