- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02962089
Microbiota and Protein-energy Wasting (MIDIWA) (MIDIWA)
Do Branched Chain Amino Acids Counteract Protein Energy Wasting Through Gut Microbiota Changes in Hemodialysis Patients ?
Oral supplementation with branched chain amino acids (BCAA) increases the levels of circulating BCAA, stimulates BCAA uptake in muscles, and decreases amino acid release from muscle, eventually promoting muscle anabolism. However, uptake of oral BCAA by muscle is not complete, pointing out that non-muscular tissues, as the splanchnic bed and gut microbiota, may play a role in BCAA metabolism.
This protocol aims at studying the impact of protein-energy wasting (PEW) and of refeeding with branched chain amino acids (BCAA), on gut barrier including gut microbiota, in chronic hemodialysis (HD) patients. The investigators speculate that:
- HD patients with PEW have altered composition and function of gut microbiota, increased permeability of epithelial gut barrier, increased systemic inflammation but decreased fecal immunoglobulin A (IgA), and a dysbalance of plasma appetite mediators in favor of anorexigenic mediators, compared to HD patients without PEW, non dialyzed patients with chronic kidney disease and well-nourished non obese subjects,
- BCAA supplementation of HD patients with PEW reverses these changes, thereby improving nutritional state, physical function, quality of life and resistance to infections.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
General description :
This protocol is multicenter (University Hospitals of Geneva (HUG), Lausanne University Hospital (CHUV), Hospital of Sion (HVS), dialysis center of the Champel clinic in Geneva and dialysis center of the Cécil clinic in Lausanne) and encompasses two parts, a cross-sectional and a longitudinal study:
- Cross-sectional study: It is performed to differentiate the respective impact of uremia and protein-energy wasting (PEW) on gut barrier and gut microbiota. It will compare gut barrier of hemodialysis (HD) patients with PEW, with gut barrier of age-matched HD well-nourished patients, non dialyzed patients with chronic kidney disease (CKD), and healthy non obese volunteers (10 in each group). This study part is essential for interpretation of the changes occurring in the longitudinal study.
- Longitudinal double blind randomized crossover study: HD patients with PEW (36 patients), receive, in a randomized double-blind order, either BCAA or an isocaloric isonitrogenous placebo for 4 months each, with a wash-out period of 1 month.
Randomization :
- Cross-sectional study: No randomization will be performed. HD patients without PEW, non dialyzed patients with CKD and healthy non obese volunteers will be included if matched for gender and age with the included HD patients with PEW. Age-matching will allow a discrepancy of +/- 5 years compared to the HD patient.
- Longitudinal study: Sequence assignment will be randomized separately in each center to ensure an equal percentage of each sequence in both centers. For this purpose, the investigators will generate 2 lists of randomization with the method of randomly permuted blocks with random block sizes of 2 and 4.
Recruitment :
Patients will be recruited among the outpatients of the Nephrology Divisions or Services of the HUG, CHUV, HVS and Champel and Cécil clinics. Healthy volunteers will be recruited among hospital staff or their relatives.
Inclusion Criteria :
HD patients with PEW
- Age ≥ 18 years.
- Maintenance HD for at least 3 months.
- Fasting predialysis plasma albumin < 38 g/l in the absence of an known acute infection during the last 2 weeks or body weight loss > 5% of estimated dry body weight over 3 months
- Dietary intakes (24h dietary recall) between 20-30 kcal/kg/d and < 1 g protein/kg/d on one occasion, during screening. These intakes will not include the intake of oral nutritional supplements, as intakes below 20 kcal/kg/d request artificial nutrition.
- Absence of any systematic antibiotic treatment for an acute infection in the month preceding the inclusion.
HD patients without PEW
- Patients matched for age and gender to HD patients with PEW.
- Maintenance HD for at least 3 months.
- Fasting predialysis plasma albumin ≥ 40 g/l, in the absence of any known acute infection during the last 2 weeks
- Dietary intakes (24h dietary recall) > 30 kcal/kg/d and > 1.2 g protein/kg/d, once during screening.
- Absence of any systematic antibiotic treatment for an acute infection in the month preceding the inclusion.
Non dialysed patients with chronic kidney disease stage 4
- Patients matched for age and gender to HD patients with PEW.
- Chronic kidney disease, stage 4 or 5, not requiring HD.
- Fasting predialysis plasma albumin ≥ 40 g/l, in the absence of any known acute infection during the last 2 weeks
- Dietary intakes (24h dietary recall) > 30 kcal/kg/d once during screening.
- Absence of any systematic antibiotic treatment for an acute infection in the month preceding the inclusion.
Healthy non obese volunteers
- Subjects matched for age and gender to HD patients with PEW.
- Body mass index < 30 kg/m2
- Absence of chronic disease potentially leading to wasting or cachexia.
- Absence of plasma C-reactive protein > 50 mg/l in the last 2 weeks or known acute infection.
- Absence of any systematic antibiotic treatment for an acute infection in the month preceding the inclusion.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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-
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Geneva, Switzerland, 1205
- Geneva University Hospital
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Geneva, Switzerland, 1206
- Champel clinic
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Valais
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Sion, Valais, Switzerland, 1951
- Hospital of Sion
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Vaud
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Lausanne, Vaud, Switzerland, 1011
- Lausanne University Hospital
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Lausanne, Vaud, Switzerland, 1003
- Cécil clinic
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age ≥ 18 years.
- Maintenance hemodialysis for at least 3 months.
- Fasting predialysis plasma albumin < 38 g/l in the absence of any known acute infection during the last 2 weeks or body weight loss > 5% of estimated dry body weight over 3 months
- Dietary intakes (24h dietary recall) between 20-30 kcal/kg/d and < 1 g protein/kg/d on one occasion, during screening. These intakes will not include the intake of oral nutritional supplements, as intakes below 20 kcal/kg/d request artificial nutrition
- Absence of any systematic antibiotic treatment for an acute infection in the month preceding the inclusion
Exclusion Criteria:
- Known psychiatric or cognitive disorder, precluding protocol compliance.
- Life expectancy below 1 year.
- Inadequate dialysis (Kt/V<1.2 on 3 consecutive occasions, for HD patients only), if applicable.
- Enteral or parenteral nutrition.
- Drugs or oral nutritional supplements containing fibers since ≤ 1 month.
- Known reasons for decreased plasma albumin levels as liver failure or exudative enteropathy.
- Drugs influencing body composition, ≤ 1 month : systemic corticosteroids, anabolic drugs as insulin or testosterone, post-menopausal hormone therapy, injectable contraceptives.
- Known endocrinological disorders potentially leading to hypo- or hypermetabolism, untreated or treated since ≤ 1 month : disorders of thyroid gland, adrenal glands...
- Pregnancy and breast-feeding.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: SUPPORTIVE_CARE
- Allocation: RANDOMIZED
- Interventional Model: CROSSOVER
- Masking: QUADRUPLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: Placebo
Isocaloric isonitrogenous placebo for 4 months (7g, twice daily)
|
|
Active Comparator: Branched chain amino acids (BCAA)
BCAA mixture for 4 months (7g, twice daily)
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Gut microbiota composition by 16-S high throughput sequencing
Time Frame: Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Gut microbiota function by 16-S high throughput sequencing
Time Frame: Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Epithelial gut barrier function by fasting level of plasma glucagon-like peptide-2
Time Frame: Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Epithelial gut barrier function by fasting level of plasma lipopolysaccharide
Time Frame: Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Intestinal immunity by level of fecal IgA
Time Frame: Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Systemic inflammation by fasting level of plasma interleukin 10
Time Frame: Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Systemic inflammation by fasting level of plama interleukin 6
Time Frame: Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Systemic inflammation by fasting level of plama tumor necrosis factor alpha
Time Frame: Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Appetite by fasting level of plasma cholecystokinin
Time Frame: Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Appetite by fasting level of plasma leptin
Time Frame: Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Appetite by fasting level of plasma peptide YY
Time Frame: Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Appetite by fasting level of plasma glucagon-like peptide-1
Time Frame: Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Appetite by fasting level of plasma neuropeptide Y
Time Frame: Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Appetite by fasting level of plasma ghrelin
Time Frame: Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Appetite by fasting level of plasma endocannabinoids
Time Frame: Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Calorie and protein intakes by 3-day food diary
Time Frame: Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Body composition by dual-energy x-rax absorptiometry (DEXA)
Time Frame: Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Resting energy expenditure (REE) by indirect calorimetry
Time Frame: Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Physical activity level by 7-day pedometry
Time Frame: Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Handgrip strength by dynamometer
Time Frame: Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Quality of life score by Short Form Health Survey (SF-36)
Time Frame: Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Changes between baseline and end of each treatment (i.e.changes between Month 0 and Month 4 and between Month 5 and Month 9)
|
Body composition by bioelectrical impedance analysis
Time Frame: Changes between baseline and end of each treatment (i.e.changes between Month 0,2, and Month 4 and between Month 5,7 and Month 9)
|
Changes between baseline and end of each treatment (i.e.changes between Month 0,2, and Month 4 and between Month 5,7 and Month 9)
|
Collaborators and Investigators
Sponsor
Publications and helpful links
General Publications
- Genton L, Pruijm M, Teta D, Bassi I, Cani PD, Gaia N, Herrmann FR, Marangon N, Mareschal J, Muccioli GG, Stoermann C, Suriano F, Wurzner-Ghajarzadeh A, Lazarevic V, Schrenzel J. Gut barrier and microbiota changes with glycine and branched-chain amino acid supplementation in chronic haemodialysis patients. J Cachexia Sarcopenia Muscle. 2021 Dec;12(6):1527-1539. doi: 10.1002/jcsm.12781. Epub 2021 Sep 18.
- Genton L, Teta D, Pruijm M, Stoermann C, Marangon N, Mareschal J, Bassi I, Wurzner-Ghajarzadeh A, Lazarevic V, Cynober L, Cani PD, Herrmann FR, Schrenzel J. Glycine increases fat-free mass in malnourished haemodialysis patients: a randomized double-blind crossover trial. J Cachexia Sarcopenia Muscle. 2021 Dec;12(6):1540-1552. doi: 10.1002/jcsm.12780. Epub 2021 Sep 14.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- CER 13-239
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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