About this trial
The goal of this clinical trial is to improve the treatment of hepatic steatosis associated with obesity with pharmacological and nutritionnal approaches. The main question it aims to answer is:
Does an individualized nutritionnal approach with a dietician combined with medication targeting obesity is the most efficient way to treat hepatic steatosis associated with obesity?
Participants will either participate in one of three groups:
* Nutrition: Participant will only have a regular follow-up with a registered dietician; * Nutrition + Semaglutide: Participants will start a new medication targeting obesity and will have a regular follow-up with a registered dietician; * Semaglutide: Participants will start a new medication targeting obesity.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Body mass index between 30 and 50 kg/m2;
Stade 2 or 3 (S2 or S3) hepatic steatosis with or without liver fibrosis.
Disqualifiers
Type 1 diabetes diagnosis;
Alcohol consumption exceeding recommendations [>140 g/week (women) and >210 g/week (men)];
Known chronic hepatic disease non-steatotic at the entry of the study (Wilson's disease, hemochromatosis, alpha-1-antitrypsin deficiency, viral hepatitis, auto-immune hepatitis, etc.);
Pharmacological treatment targeting obesity active or ended in the last 3 months;
Trial design
Parallel
Treatments tested in this trial
semaglutide
DrugParticipants receiving this intervention will be starting with a dose of semaglutide 0.25 mg. Physicians will follow Wegovy® Dosing Schedule guidelines, ending with a final dose of 2.4 mg at the fifth month. Type 2 diabetes participants wishing to stop at 1.0 mg will be allowed.
Diet
Other interventionParticipants receiving this intervention will be seeing a registered dietician at each visit. The individualized approach will be based on recent literature (mostly hypocaloric) by using different methods.
Treatment groups
Trial outcomes
Primary outcomes
Liver Steatosis
Transient elastography is an ultrasound-based modality that is non-invasive and measures the degree of steatosis with the controlled attenuation parameter (CAP; dB/m) and liver stiffness (kPa).This method will be used at each visit to follow the progression and the efficiency of the interventions. The following ranges will be use to classify hepatic steatosis based on CAP (dB/m) (specific to FibroScan®): S0 (\< 302), S1 (302-331), S2 (331-337) and S3 (\>337).
Liver Stiffness
Transient elastography is an ultrasound-based modality that is non-invasive and measures the degree of steatosis with the controlled attenuation parameter (CAP; dB/m) and liver stiffness (kPa).This method will be used at each visit to follow the progression and the efficiency of the interventions. The following ranges will be use to classify hepatic fibrosis based on liver stiffness (kPa) (specific to FibroScan®): F0-F1 (\< 8.0), F2 (8.9-9.7), F3 (9.7-13.6) and F4 (\>13.6).
Secondary outcomes
Liver function (biochemistry)
Blood samples will be drawn at each visit to assess the following measures: liver enzymes (aspartate aminotransferase \[AST\], alanine aminotransferase \[ALT\], gamma-glutamyl transferase \[GGT\], alkaline phosphatase \[ALP\]), total bilirubin and albumin. Liver scores will also be calculated: fatty liver index (FLI) and fibrosis-4 index (FIB-4) The following normal ranges will be used: * AST : \[8-33\] U/L; * ALT : \[10-40\] U/L; * GGT : \[2-30\] U/L; * ALP : \[30-120\] U/L; * Total bilirubin : \[5-21\] umol/L; * Albumin : \[35-30\] g/L. * FLI : \<30 : Low risk of hepatic steatosis ; \>60 : High risk of hepatic steatosis. * FIB-4 : \>3.48 : High risk of cirrhosis
Lipid panel
Blood samples will be drawn at each visit to assess the lipid panel. The following ranges will be used: * triglycerides: \< 1.5 mmol/L; * total cholesterol: \< 5.20 mmol/L; * LDL-cholesterol: \< 2.59 mmol/L; * HDL-cholesterol: \> 1.55 mmol/L;
Change from Baseline in the gut microbiota diversity
The composition of the gut microbiota will be measured at each visit with the participants' stool samples. The difference between the concentration of gut microbiota diversity (bacteria, families, phyllum, etc.) will be analyzed.
Change from Baseline in blood lipids and metabolites
We will perform lipidomic and metabolomic measures with blood samples of each visit with liquid chromatography coupled with mass spectrometry (LC-MS/MS).
Sponsors and contacts
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