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The goal of this clinical trial is to investigate protein digestibility after bariatric surgery.
Does protein digestibility decrease after Roux-en-Y-Gastric Bypass? Does protein digestibility decrease after Sleeve Gastrectomy surgery? Does protein digestibility effect the ability to meet protein requirements?
Purpose of clinical trial is to investigate the digestion of dietary protein in older patients who have undergone Roux-and-Y Bypass (RYGB) or sleeve gastrectomy (SG) surgery. The primary objective is to compare dietary protein digestion during a test meal who have previously undergone a RYGB surgery, SG surgery, or control patients, using a dual stable-isotope method. The secondary objectives are to investigate the relationship between protein intake corrected for protein digestion and skeletal muscle mass, and to investigate the relationship between the rate of free amino acid appearance and protein digestion.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group 1: Patients over 65 years of age who had undergone Roux-en-Y bariatric surgery | Group 1: Patients over 65 years of age who had undergone Roux-en-Y bariatric surgery |
| |
| Group 2: Patients over 65 years of age who had undergone sleeve gastrectomy surgery | Group 2: Patients over 65 years of age who had undergone sleeve gastrectomy surgery |
| |
| Group 3: Patients over 65 years of age without previous bariatric surgery | Group 3: Patients over 65 years of age without previous bariatric surgery |
| |
| Group 4: Patients younger than 65 years of age who had undergone Roux-en-Y bariatric surgery | Group 4: Patients younger than 65 years of age who had undergone Roux-en-Y bariatric surgery |
| |
| Group 5: Patients younger than 65 years of age who had undergone Sleeve Gastrectomy | Group 5: Patients younger than 65 years of age who had undergone Sleeve Gastrectomy |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Dual isotope protein digestibility method | Other | Dual isotope method |
|
| Measure | Description | Time Frame |
|---|---|---|
| The proportion of dietary protein digested as measured by the dual-isotope method. | The proportion of dietary protein digested as measured by the dual-isotope method. | 3,5 hours |
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Inclusion Criteria:
Exclusion Criteria:
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Subjects with overweight, obesity or after bariatric surgery
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Gabriel Eksteen, MSc | Contact | +32 16345708 | gabrieljohannes.eksteen@kuleuven.be | |
| Bart Van der Schueren | Contact |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Universitaire Ziekenhuizen KU Leuven | Recruiting | Leuven | Flemish Brabant | 3000 | Belgium |
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| ID | Term |
|---|---|
| D050177 | Overweight |
| D009765 | Obesity |
| ID | Term |
|---|---|
| D044343 | Overnutrition |
| D009748 | Nutrition Disorders |
| D009750 | Nutritional and Metabolic Diseases |
| D001835 | Body Weight |
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| Group 6: Patients younger then 65 years of age without previous bariatric surgery | Group 6: Patients younger then 65 years of age without previous bariatric surgery |
|
| UZLeuven | Recruiting | Leuven | Vlaams Brabant | 3000 | Belgium |
|
| D012816 |
| Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |