Effect of Mediterranean Diet on Nutrition in Parkinson's Disease Patients With Bilateral Subthalamic Deep Brain Stimulation

Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age45-64
SponsorAnkara University

About this trial

The goal of this clinical trial is to evaluate whether Mediterranean diet can help manage body weight and improve body composition in adult Parkinson's disease patients who have undergone bilateral subthalamic nucleus deep brain stimulation (STN DBS).

The main questions it aims to answer are:

Does adherence to the Mediterranean diet for three months post-surgery help control body weight gain in STN DBS patients?

Does the Mediterranean diet positively affect body composition and other clinical parameters such as nutritional status, appetite, quality of life, and physical activity?

Researchers will compare an intervention group following the Mediterranean diet with a control group continuing their usual diet to see if dietary guidance leads to improvements in weight management, body composition, and other nutritional status parameters.

Participants will:

Be randomized into intervention and control groups.

Receive Mediterranean dietary recommendations (intervention group) or continue usual diet (control group).

Undergo evaluations at baseline (pre-operative), and at the 1st, 2nd, and 3rd months post-operatively using the following tools:

Visual Appetite Scale

Hoehn and Yahr Questionnaire

Parkinson's Disease Quality of Life Questionnaire-8

Movement Disorder Society-Unified Parkinson's Disease Rating Scale - Part 2

Mediterranean Diet Adherence Scale

Food Consumption Record

Have their anthropometric measurements and body composition (e.g., weight, waist and neck circumference, upper arm circumference, handgrip strength) assessed.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Being between 45-64 years of age

Signing informed consent

Undergoing STN DBS surgery

Continuing antiparkinsonian therapy

Disqualifiers

Having any psychiatric illness

Those with a Mini Mental Test result of <24 points

Those with a disease requiring a special diet other than Parkinson's Disease

Trial design

Design model

Parallel

Treatments tested in this trial

  • Mediterranean diet

    Other intervention

    All individuals in the intervention group will be instructed to adhere to Mediterranean diet recommendations for a period of three months following the activation of the deep brain stimulation device. Nutritional training sessions focusing on the Mediterranean diet will be provided and reinforced during monthly follow-up interviews. In line with these recommendations, olive oil will be promoted as the primary dietary fat. Participants will be encouraged to consume a minimum of 300-400 grams of vegetables daily and 450 grams of fresh fruit or alternatively, 300 grams of fresh fruit and 30 grams of dried fruit. The consumption of bakery products, sugary snacks, and carbonated beverages will be discouraged. White meat will be favored over red meat in meal planning. Participants will also be advised to include 450 grams of fish, 30 grams of oilseeds, and 180 grams of legumes in their weekly diets. There is no routine Mediterranean diet recommendation after STN DBS.

Treatment groups

24 Participants
are divided into 2 treatment groups
Group A: ControlNo intervention 0 interventions
Group B: Mediterranean DietExperimental treatment 1 intervention

Trial outcomes

Primary outcomes

1

Body weight

The body weights of the individuals will be measured with a body analyzer sensitive to 0.1 kilograms for all participants.

Time frame
From enrollment to the end of treatment at 3 months
2

Height

The height of the participants will be measured in cm with a portable stadiometer without shoes, with the head in an upright position and in the Frankfort plane.

Time frame
From enrollment to the end of treatment at 3 months
3

Body Mass Index

Body Mass Index will be reported in kg/m² by dividing the body weight by the square of the height.

Time frame
From enrollment to the end of treatment at 3 months

Secondary outcomes

1

Triceps skinfold thickness

The triceps skinfold thickness will be measured using a caliper in mm and will be used to evaluate the adipose tissue.

Time frame
From enrollment to the end of treatment at 3 months
2

Upper mid-arm circumference

The upper mid-arm circumference will be measured in cm with a non-stretchable tape measure.

Time frame
From enrollment to the end of treatment at 3 months
3

Upper mid-arm muscle circumference

Upper mid-arm muscle circumference will be calculated using the upper mid-arm circumference and triceps skinfold thickness to evaluate lean body mass. It is expressed in cm.

Time frame
From enrollment to the end of treatment at 3 months
4

Upper mid-arm muscle area

The upper mid-arm muscle area will be calculated using the upper mid-arm circumference and triceps skinfold thickness to evaluate lean body mass. It is expressed in cm².

Time frame
From enrollment to the end of treatment at 3 months

Other outcomes

Sponsors and contacts

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