- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04896047
FGF19 and Chronic Kidney Disease (RENAMUS 19)
Role of FGF19 in Sarcopenia Associated With Chronic Kidney Disease
Sarcopenia in chronic kidney disease (CKD) affects 50% of dialysis patients and 20% of patients with non-dialyzed CKD and reduce quality of life and survival. The pathophysiology of uremic sarcopenia is multifactorial (accumulation of toxins, metabolic disturbances, etc.) and poorly characterized. These pejorative factors are associated with malnutrition and a sedentary lifestyle. Currently, there are no strategies to combat sarcopenia with the exception of physical activity, which is only possible for a limited number of patients due to their comorbidities. Developing new pharmacological strategies to combat sarcopenia is necessary.
FGF19 is a growth factor produced in the ileum involved in metabolic homeostasis. In the laboratory, a new function of FGF19 has been discovered. FGF19 acts as a hormonal factor stimulating muscle mass and strength. Preliminary studies had shown a decrease in the concentration and secretion of FGF19 in response to a meal in haemodialysis patients. However, the link between FGF19, muscle mass and CKD has never been demonstrated. The aim of this study is to assess the relationship between the concentration and secretion of FGF19 and muscle function in a large population of patients with CKD of different stages. Given the hormonal communication between the bone and the muscle, the investigators will also recover the bone histological parameters from a bone biopsy if dialysis patients are to benefit from this as part of their follow-up.
The investigators hypothesize that a decrease in FGF19 concentration and secretion in CKD is associated with a decrease in muscle mass and strength.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Laetitia KOPPE, MD
- Phone Number: +33 4 72 67 87 15
- Email: laetitia.koppe@chu-lyon.fr
Study Contact Backup
- Name: Cécile BARNEL
- Phone Number: +33 4 78 86 37 12
- Email: cecile.barnel@chu-lyon.fr
Study Locations
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Pierre-Bénite, France, 69310
- Recruiting
- Centre Hospitalier Lyon Sud
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Contact:
- Laetitia KOPPE, PhD
- Phone Number: +33 04 72 67 87 15
- Email: laetitia.koppe@chu-lyon.fr
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
-For the patient population:
- estimated GFR <60 ml / min / 1.73m2 according to the CKD-EPI formula OR patients dialyzed for more than 3 months
- No history of kidney transplant
- BMI between 18 and 30 kg / m²
- For women of childbearing age, at least one method of contraception recognized as effective
- Willing and able to give informed consent
For control group:
- Potential living kidney donor
- Willing and able to give informed consent
For all of the study participants:
o Non diabetic (fasting blood glucose <1.26 g / L, or absence of insulin or oral antidiabetic treatment)
Exclusion Criteria:
For the patient population:
- Subjects with a history of colectomy, gut resection or cholecystectomy
- Having received antibiotics, prebiotics, probiotics in the last 3 months.
- Taking a high dose laxative treatment (> 2 doses per day) in the last 3 months
- Hemoglobin <7 g / dl or <9 g / L in case of previous cardiovascular disease
For control group:
- DFGe ≤ 80 ml / min / 1.73m2 according to CKD-EPI
- High blood pressure (PA≥140 / 90 mmHg) or taking antihypertensive treatment
- Presence of proteinuria (> 0.15 g / 24h) or micro-albuminuria (> 3 mg / mg creatinuria) or hematuria (> 20 GR / mm3)
For all of the study participants:
- Hemoglobin <7 g / dl or <9 g / L in case of previous cardiovascular disease
- Active inflammatory, infectious, cardiovascular or neoplastic disease
- Period of exclusion from a previous study or already participating in a clinical research protocol having an impact on the study judgment criteria
- Exposure to ionizing radiation (medical radiological examinations or occupational exposure with exposure greater than 20 mSv) in the 6 months preceding inclusion
- No affiliation to social security
- Patient under guardianship or safeguarding justice
- Pregnant patient (a pregnancy test will be carried out for women of reproductive age o For the patients and control group will accept muscles biopsies
- Presence of a precarious venous capital that does not allow the placement of a venous catheter - Thrombocytopenia
- History of arrhythmias or cardiac conduction disorders
- Taking anticoagulant and / or antiplatelet agent
- Pulse <50 bpm
- Allergy to local anesthetics and / or plaster
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: CKD patients
Patients with CKD, non-diabetic, without a history of renal transplantation, without digestive pathology, aged 18 to 70 and an estimate of the glomerular filtration rate (eGFR) <60 ml / min / 1.73m2 according to the formula of CKD-EPI.
|
The FGF19 parameters will be assessed in fasting and in postprandial period after the consumption of a hyper-carbohydrate and hyper-lipidic test meal called Flexmeal. A muscle biopsies by a needle will be performed before and after the Flexmeal. |
Active Comparator: Haemodialysis patients
Patients on hemodialysis, for more than 3 months, with no history of kidney transplantation, without digestive pathology, aged 18 to 70 with a BMI between 18 and 30 kg / m2
|
The FGF19 parameters will be assessed in fasting and in postprandial period after the consumption of a hyper-carbohydrate and hyper-lipidic test meal called Flexmeal. A muscle biopsies by a needle will be performed before and after the Flexmeal. |
Active Comparator: Healthy volunteers
Healthy volunteers (controls) recruited from the population of living kidney donors
|
The FGF19 parameters will be assessed in fasting and in postprandial period after the consumption of a hyper-carbohydrate and hyper-lipidic test meal called Flexmeal. A muscle biopsies by a needle will be performed before and after the Flexmeal. |
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Correlation between the fasting plasma concentration of FGF19 and the muscle mass
Time Frame: At the end of the study (55 months)
|
Study the correlation between the fasting plasma concentration of FGF19 and the muscle mass in % of body weight, measured by DEXA scanner (Dual-X-Ray-Absorptiometry) in non-dialyzed MRC patients with a measured glomerular filtration rate (mDFG) <60 ml / min /1.73m², hemodialysis patients and healthy voluntary being assessed for a kidney donation.
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At the end of the study (55 months)
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Correlation between fasting plasma FGF19 concentration and Glomerular Filtration Rate (GFR)
Time Frame: At the end of the study (55 months)
|
Correlation between fasting plasma FGF19 concentration and Glomerular Filtration Rate (GFR) measured by a reference method (Iohexol clearance or Tc DTPA) for non-dialysis patients (in ml/min/1.73m2)
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At the end of the study (55 months)
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Correlation between fasting plasma FGF19 concentration and muscle strength
Time Frame: At the end of the study (55 months)
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Correlation between fasting plasma FGF19 concentration and muscle strength in kilograms in the Hand Grip
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At the end of the study (55 months)
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Correlation between fasting plasma FGF19 concentration and muscle performance
Time Frame: At the end of the study (55 months)
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Correlation between fasting plasma FGF19 concentration and muscle performance assessed by the 6-minute walk test (TM6) evaluated in metres and by the SPPB (Short Physical Performance Battery) test with a score between 0 and 12
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At the end of the study (55 months)
|
Correlation between fasting plasma FGF19 concentration and muscle quality
Time Frame: At the end of the study (55 months)
|
Correlation between fasting plasma FGF19 concentration and muscle quality assessed by ultrasound (echogenicity intensity (EI) from 0 for black to 255 white and qualitatively by the Heckmatt visual assessment scale (Grade I to IV)).
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At the end of the study (55 months)
|
Correlation between fasting plasma FGF19 concentration and muscle mass
Time Frame: At the end of the study (55 months)
|
Correlation between fasting plasma FGF19 concentration and muscle mass obtained by ultrasound by measuring the cross-sectional area (in mm2) of the rectus femoris muscle (RF-CSA, Rectus femoris anatomical cross-sectional area)
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At the end of the study (55 months)
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Correlation between fasting plasma FGF19 concentration and bone density
Time Frame: At the end of the study (55 months)
|
Correlation between fasting plasma FGF19 concentration and bone density determined by DEXA scan (total T-score)
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At the end of the study (55 months)
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Correlation between fasting plasma FGF19 concentration and bone quality in dialysis patients
Time Frame: At the end of the study (55 months)
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Correlation between fasting plasma FGF19 concentration and bone quality in dialysis patients as assessed by the level of bone remodelling determined on bone biopsy (BFR/BS)
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At the end of the study (55 months)
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Correlation between fasting plasma FGF19 concentration and physical activity
Time Frame: At the end of the study (55 months)
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Correlation between fasting plasma FGF19 concentration and physical activity assessed by the STAQ questionnaire (in hours/week) only if the primary endpoint is significant.
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At the end of the study (55 months)
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Correlation between fasting plasma FGF19 concentration and faecal bacterial microbiological profile
Time Frame: At the end of the study (55 months)
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Correlation between fasting plasma FGF19 concentration and faecal bacterial microbiological profile by 16s sequencing of stool samples (analysis performed in a second step)
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At the end of the study (55 months)
|
Correlation between fasting plasma FGF19 concentration and the number of adverse events
Time Frame: At the end of the study (55 months)
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Correlation between fasting plasma FGF19 concentration and the number of adverse events such as mortality, cardiovascular events and fractures throughout the protocol
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At the end of the study (55 months)
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 69HCL19_0823
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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