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Mediterranean Diet Treatment for NAFLD

A

Antalya Training and Research Hospital

Status

Completed

Conditions

Mediterranean Diet

Treatments

Behavioral: Low Fat Diet
Behavioral: Mediterranean Diet

Study type

Interventional

Funder types

Other

Identifiers

NCT04415112
2017-234

Details and patient eligibility

About

Treatment for Nonalcoholic Fatty Liver Disease (NAFLD) is through lifestyle modification consisting of caloric restriction and exercise, with an emphasis on weight loss. Unfortunately, the success and longevity of lifestyle changes that focus on weight loss, are poor in children. The dietary recommendation of calorie restriction alone may not be optimal in a pediatric population for multiple reasons including changes in hormonal milieu, growth velocity, and decreased bone mineral density that occur with significant weight loss. Mediterranean Diet (MD) is based on the high intake of extra virgin olive oil, vegetables, fruits, cereals, nuts and legumes; moderate intakes of fish and other meats, dairy products and red wine and low intakes of eggs and sweets. So, it provides a large amount of monounsaturated fatty acids, polyunsaturated fatty acids, vegetable proteins, fibre and antioxidants; and low amounts of sugar, cholesterol and saturated fats. It offers a lot of choice in food selection, and well tolerated, and many people can adhere to it over the long term. The investigators aimed to evaluate the effects of a MD vs. low fat diet on changes in hepatic steatosis, aminotransferases, and anthropometric measurements among obese children with NAFLD

Full description

Non-alcoholic fatty liver disease (NAFLD) is a disease caused by abnormal lipid accumulation in the liver without alcohol intake or other organic causes. NAFLD covers a range of liver diseases ranging from simple oil infiltration to non-alcoholic steatohepatitis (NASH), fibrosis and cirrhosis. The most important risk factor in the development of NAFLD is insulin resistance due to obesity. Insulin resistance increases hepatic steatosis and accumulation of hepatic fatty acids by increasing peripheral lipolysis and the entry of fatty acids into the liver. In parallel with the increased prevalence of childhood obesity, the occurrence of NAFLD is increasing among children. The risk that the NAFLD can turn into chronic liver disease increases the importance of the disease even more when children become adults Mediterranean Diet (MD) has gained popularity in scientific literature because it is one of the healthiest diets in the world.This diet is based on the high intake of extra virgin olive oil, vegetables, fruits, cereals, nuts and legumes; moderate intakes of fish and other meats, dairy products and red wine and low intakes of eggs and sweets. So, it provides a large amount of monounsaturated fatty acids, polyunsaturated fatty acids, vegetable proteins, fibre and antioxidants; and low amounts of sugar, cholesterol and saturated fats. MD is characterized as low-carbohydrate (40% of calories) and in contrast to low-fat diets, the MD includes fat as 40% of the diet. It offers a lot of choice in food selection, and well tolerated, and many people can adhere to it over the long term. There are a limited number of studies investigating the effectiveness of the MD in NAFLD treatment in different countries. However, there are no studies in the treatment of children with NAFLD in Turkey. The primary aims to this study is to evaluate the effects of a MD vs. low fat diet on changes in hepatic steatosis, aminotransferases, and anthropometric measurements among obese children with NAFLD in Turkey. The secondary aim to this study is to evaluate the effects of the both diets in insulin resistance.

Enrollment

45 patients

Sex

All

Ages

9 to 17 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Diagnosis of NAFLD
  • Body mass index z-score >85th percentile

Exclusion criteria

  • Secondary causes of NAFLD (eg. medication induced)
  • Use of weight loss medications
  • Diabetes Mellitus
  • Other causes of fatty liver disease (eg. Wilson disease, alpha-1 antitrypsin deficiency, auto-immune hepatitis, and viral hepatitis)

Trial design

Primary purpose

Other

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

45 participants in 2 patient groups

Mediterranean Diet
Active Comparator group
Description:
The MD diet is rich in plant based foods including vegetables, whole cereal and fruit with the main added fat being extra virgin olive oil. In addition, the diet emphasises, while consumption of legumes, nuts and fish is high, consumption of red meat and home-made desserts is low, and consumption of fermented milk and poultry is moderate. The MD diet had a target macronutrient composition of 35-40% fat (with \<10% of energy as saturated fat), 40-44% carbohydrate and 20% protein.
Treatment:
Behavioral: Mediterranean Diet
Low Fat Diet
Active Comparator group
Description:
The Low Fat diet had a target macronutrient composition of 55% of energy from carbohydrate, 20-25% from fat (with \<10% of energy as saturated fat) and 20-25% from protein. Nutrition education focused on choosing foods containing ≤3 grams of fat/serving, limiting added fats, and using low-fat meal preparation strategies. Parents were instructed to offer their children ample amounts of grains, vegetables, fruits, lean meats, low-fat dairy products and limit high-fat foods
Treatment:
Behavioral: Low Fat Diet

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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