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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03524365
Other study ID # 20182004
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date December 6, 2018
Est. completion date July 20, 2022

Study information

Verified date February 2023
Source Catholic University of the Sacred Heart
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Bariatric-metabolic surgery is effective in treating the cluster of conditions forming the metabolic syndrome, strictly associated with NAFLD and NASH. Recently, we and other authors have shown also in the long term (up 5 years) with randomized-controlled trials (RCTs) that bariatric-metabolic surgery allows remission of type 2 diabetes and obesity reduction, which are the two major pathogenetic factors of NASH development, with maintenance of weight loss. Few small and mainly retrospective studies have shown that bariatric surgery is effective in improving NASH histologic picture in obese subjects. The aim of our proposal is to conduct a 3 arm single centre, superiority, RCT comparing Roux-en-Y Gastric Bypass (RYGB) with Sleeve Gastrectomy (SG) and with Intensive Lifestyle Modifications (ILM) for the treatment of Non-Alcoholic Steato-Hepatitis.


Description:

This is a Randomized Controlled multicentre Trial involving the Catholic University (Professor Geltrude Mingrone as PI and Professor Marco Raffaelli as co-PI) The research question in PICOT format (P) - Population: Adults 25 to 70 years of age and BMI ≥ 30 and ≤55 kg/m2 with histological diagnosis of NASH. (I) - Intervention: Roux-en-Y Gastric Bypass or Sleeve Gastrectomy, both plus lifestyle counseling. (C) - Comparison: Intensive Lifestyle Modifications. (O) - Outcome: the histological resolution of NASH without worsening of fibrosis at 1 year after the interventions. (T) - Time: One year after the intervention started. 1.3.3.2 Research Goals - The primary aim of our study is to assess the effects of bariatric-metabolic surgery or ILM on NASH at 1 year after the interventions. - Secondary aims are to assess the safety of bariatric surgery and the improvement of at least 1 stage of liver fibrosis without worsening of NASH, insulin sensitivity , T2DM, and lipoprotein profile changes. The liver biopsy will be performed at baseline and at 1 year follow-up. Another liver biopsy will be performed at 3 and 5 years follow-up.


Recruitment information / eligibility

Status Completed
Enrollment 288
Est. completion date July 20, 2022
Est. primary completion date July 20, 2022
Accepts healthy volunteers No
Gender All
Age group 25 Years to 70 Years
Eligibility Inclusion Criteria: - Subjects with NASH documented by liver biopsy and no evidence of another form of liver disease with a BMI = 30 and =55 kg/m2. Subjects with normal liver who underwent laparoscopic elective cholecystectomy, but otherwise in healthy conditions, will be used as controls for the discovery of non-invasive biomarkers. Exclusion Criteria: - Coronary event or procedure (myocardial infarction, unstable angina, coronary artery bypass, surgery or coronary angioplasty) in the previous 6 months; Liver cirrhosis; End stage renal failure; Participation in any other concurrent therapeutic clinical trial; Any other life-threatening, non-cardiac disease; Pregnancy; Inability to give informed consent; Substantial alcohol consumption (>20 g/day for women or >30 g/day for men); Wilson's disease;hepatitis B virus, hepatitis C virus (negative Hepatitis C RNA since more than 3 years will be considered eligible), autoimmune hepatitis, primary biliary cholangitis, haemochromatosis and a-1-antitrypsin deficiency; Lipodystrophy; Parenteral nutrition; Abetalipoproteinemia; Interfering medications (e.g., amiodarone, methotrexate, tamoxifen, corticosteroids).

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
RYGB
Roux-&-Y Gastric Bypass (RYGB) involves the use of a surgical stapler to create a small and vertically oriented gastric pouch with a volume of 30 ml. The upper pouch is completely divided by the gastric remnant and is anastomosed to the jejunum, 75 cm distally to the Treitz's ligament , through a narrow gastrojejunal anastomosis in a Roux-en-Y fashion. Bowel continuity is restored by an entero-entero anastomosis, between the excluded biliary limb and the alimentary limb, performed at 100 cm from the gastrojejunostomy. Lifestyle modification counselling is provided to each patient.
SG
The SG is created using a linear stapler with two sequential 4.8/60-mm green load firings for the antrum, followed by two or three sequential 3.5/60-mm blue loads for the remaining gastric corpus and fundus. The stapler is applied alongside a 48-Fr calibrating bougie. The resection line is performed avoiding the ''critical area'' by resecting the fundus 1.5 cm from the angle of His. Staple lines are buttressed with bovine pericardial strips. The resected stomach is grasped at the antral tip by a laparoscopic grasper and retrieved through one of the trocar sites. A methylene blue dye test by a nasogastric tube is routinely performed at the end of the procedure. The residual gastric remnant capacity is 60-80 ml. Drains are not routinely placed, and the nasogastric tube is removed at the end of the procedure. Upper gastrointestinal contrast (Gastrografin) study is performed on the first postoperative day. Lifestyle modification counselling is provided to each patient.
Other:
Intensive Lifestyle Modification
Resting calorie requirements will be calculated via the Harris Benedict equation (24) and an activity factor, and subjects will be instructed not to change their activity level other than that suggested by physicians during the study. The diet will contain 1/3 kcal less than the calculated energy expenditure and 30% fat of which 10% saturated, 55% lower glycemic index carbohydrates and 15% proteins. The participants will be encouraged to gradually increase their walking to achieve 10,000 steps per day. A moderate intensity physical activity program of 1 hour of aerobic exercise 2-3 hours per week will be recommended to all subjects. Their physical activity will be assessed by IPAQ-SF.

Locations

Country Name City State
Italy San Camillo Roma
Italy University of Rome Sapienza Roma
Italy Catholic University School of Medicine Rome

Sponsors (2)

Lead Sponsor Collaborator
Catholic University of the Sacred Heart University of Roma La Sapienza

Country where clinical trial is conducted

Italy, 

Outcome

Type Measure Description Time frame Safety issue
Primary histological resolution of NASH without worsening of fibrosis at 1 year after the interventions Histological diagnosis of NASH is established according to widely accepted criteria, using the NAFLD activity score (NAS) algorithm proposed by the NASH Clinical Research Network (CRN). These criteria include presence of steatosis in >5% of hepatocytes, hepatocellular ballooning and lobular inflammatory infiltrates. The presence and stages of fibrosis will be also assessed using the NASH-CRN system: stage 0 =no fibrosis; stage 1 =centrilobular pericellular fibrosis; stage 2 =centrilobular and periportal fibrosis; stage 3 =bridging fibrosis; and stage 4 =cirrhosis. 1 year
Secondary Adverse health events including the need for re-operation adverse events include early operation complications 1 year
Secondary Improvement of at least 1 point of histological liver fibrosis without worsening of NASH liver fibrosis will be examined in liver biopsies 1 year
Secondary Changes in glycemic control (only in diabetic patients) diabetes remission or improvement of glycemic control (glycated hemoglobin HbA1c) 1 year
Secondary Changes in insulin sensitivity HOMA IR or oral glucose minimal model 1 year
Secondary Changes in food intake food intake diary 1 year
Secondary Changes in physical activity Physical activity questionnaire 1 year
Secondary Changes in body composition: Fat-Free Mass (FFM), Fat Mass (FM). FFM and FM will be assessed by DEXA 1 year
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