Actively Recruiting

Early Phase 1
Age: 18Years +
All Genders
Healthy Volunteers
NCT06925997

Metabolic Effects of Endogenous Bile Acids After Gastric Bypass Surgery

Led by Hvidovre University Hospital · Updated on 2025-04-13

18

Participants Needed

1

Research Sites

239 weeks

Total Duration

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AI-Summary

What this Trial Is About

Non-randomized, open-label, parallel-group clinical study evaluating the effects of endogenous bile acids on changes in plasma fibroblast growth factor-19 (FGF-19) and glucose metabolism by extended depletion of circulating bile acids using colesevelam as an experimental tool in subjects operated with gastric by-pass (RYGB).

CONDITIONS

Official Title

Metabolic Effects of Endogenous Bile Acids After Gastric Bypass Surgery

Who Can Participate

Age: 18Years +
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • For the intervention group: Roux-en-Y gastric bypass surgery at least 18 months before joining
  • History of diabetes before gastric bypass, or HbA1c less than 58 mmol/mol on no antidiabetic medication or metformin alone
  • Weight change less than plus or minus 3 kilograms for over 3 months at inclusion
  • For control group A: No history of diabetes, HbA1c less than 48 mmol/mol, fasting plasma glucose below 7.0 mmol/L, and stable weight
  • For control group B: Type 2 diabetes with HbA1c 48 mmol/mol or higher or on antidiabetic medication, and stable weight
Not Eligible

You will not qualify if you...

  • Pregnancy or breastfeeding
  • Hemoglobin less than 6.5 mmol/L at inclusion
  • Fasting plasma glucose over 10.0 mmol/L at inclusion
  • Previous gallbladder removal (cholecystectomy)
  • Chronic diarrhea or tendency to diarrhea

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

Department of Medicine, Copenhagen University Hospital - Amager and Hvidovre

Hvidovre, Denmark, 2650

Actively Recruiting

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Research Team

M

Marie-Louise Dichman

CONTACT

C

Carsten Dirksen

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

BASIC_SCIENCE

Number of Arms

1

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