RecruitingNCT06853652

Protein Requirements After Bariatric Surgery

Maintenance-phase PROtein Requirements After RouX-en-Y-gastric Bypass Surgery

Sponsor

Universitaire Ziekenhuizen KU Leuven

Enrollment

20 participants

Start Date

Mar 17, 2025

Study Type

OBSERVATIONAL

Conditions

Obesity and Overweight Bariatric Surgery (Gastric Bypass)Protein Requirement

Summary

The study investigates protein requirements at least 1 year after gastric bypass surgery in adult males, to investigate whether protein requirements are elevated compared to protein requiremens for the general populaiotn. The main study outcome is the estimated average protein requirements for the study populaiton.

Eligibility

Sex: MALEMin Age: 18 YearsMax Age: 65 Years

Inclusion Criteria5

Male aged 18 - 65 years,
Primary RYGB surgery one to ten years before,
Weight stable within 5% over the last 3 months,
Normotensive or blood pressure controlled with antihypertensive therapy,
Provision of informed consent to participate,

Exclusion Criteria5

Current diagnosis of cancer or active cancer in the preceding 1 year,
Any chronic or acute disease which is known to affect amino acid absorption, metabolism, or requirements,
Weight loss after bariatric surgery of less than 40% of excess weight,
Weight regain after bariatric surgery greater than 20% of nadir weight,
Diabetes mellitus defined as a fasting plasma glucose concentration ≥ 7.0 mmol, or HbA1c less than 6.5%, or medical treatment for diabetes.

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Locations(1)

Universitaire Ziekenhuizen KU Leuven

Leuven, Belgium

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NCT06853652

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