Actively Recruiting

Age: 20Years - 70Years
All Genders
Healthy Volunteers
NCT01477957

The Effect of Bariatric Surgery on Insulin Sensitivity and Energy Metabolism

Led by German Diabetes Center · Updated on 2025-01-10

450

Participants Needed

1

Research Sites

847 weeks

Total Duration

On this page

Sponsors

G

German Diabetes Center

Lead Sponsor

D

Dep.of General-, Visceral- and Pediatric Surgery, HHU, Duesseldorf, Germany

Collaborating Sponsor

AI-Summary

What this Trial Is About

The purpose of this study is: 1. To explore to what extent insulin sensitivity, energy metabolism and ectopic lipid storage can be improved by bariatric surgery 2. To explore to what extent hepatic and muscular disorders of energy metabolism occur in patients with obesity (degree 2-3) 3. To explore whether the steato liver occurring in patients with obesity (degree 2-3) is associated with the degree of liver inflammation

CONDITIONS

Official Title

The Effect of Bariatric Surgery on Insulin Sensitivity and Energy Metabolism

Who Can Participate

Age: 20Years - 70Years
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Aged 20 years to 70 years
  • BMI 20-25 kg/m2 for normal-weight group
  • BMI 35-39.9 kg/m2 for obesity grade 2
  • BMI greater than 40 kg/m2 for obesity grade 3
Not Eligible

You will not qualify if you...

  • Acute illness within 2 weeks before examination
  • Autoimmune or immune disorders with leukocytes less than 5000/µl
  • Kidney problems with creatinine over 1.5 mg/dl
  • Heart disease or history of heart attack
  • Anemia with hemoglobin less than 12 g/l or recent blood donation within 4 weeks
  • Participation in another clinical trial within last 2 weeks
  • Use of pharmacological immunotherapy (Cortisol, Antihistamines, ASS)
  • Thyroid disorders
  • Glitazone therapy
  • Pregnancy, lactation, or menstruation
  • Smoking, alcohol, or drug abuse
  • Psychiatric disorders
  • Risk for or diagnosed HIV/AIDS or Hepatitis B/C
  • Liver diseases not caused by non-alcoholic steatohepatitis
  • Night shift work or irregular sleep patterns
  • Poor wound healing or clotting problems
  • Allergy to local anesthetics
  • Malignant cancer

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

1
2
3
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Trial Site Locations

Total: 1 location

1

German Diabetes Center

Düsseldorf, North Rhine-Westphalia, Germany, 40225

Actively Recruiting

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Research Team

S

Sabine Kahl, MD

CONTACT

How is the study designed?

Study Type

OBSERVATIONAL

Masking

N/A

Allocation

N/A

Model

N/A

Primary Purpose

N/A

Number of Arms

1

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