Mediterranean Diet Intervention in Adolescents With Polycystic Ovary Syndrome

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

40 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-12-01

Study Completion Date

2020-06-30

Brief Summary

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The aim of the present randomized controlled study was to examine wether a clinical decision support stystem would increase the adherence to the Mediterranean diet (MD) of adolescent girls, aged 15-17 years, diagnosed with polycystic ovary syndrome. The intervention lasted for 3 months and in total, 40 girls were randomly assigned to either the MD group (n=20) or a Control group receiving general nutritional advice (n=20). Anthropometry, nutritional intake, psychological well-being, and blood markers were analyzed at the begninning and the end of the trial.

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Detailed Description

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The aim of the present randomised controlled trial was to investigate the effects of a Mediterranean Diet (MD) intervention delivered through a Clinical Decision Support System (CDSS) on various dietary, health parameters and anxiety in adolescent females, aged 15-17 years, with PCOS. A randomized controlled trial was conducted with 40 adolescent females diagnosed with PCOS, randomly assigned to either an Intervention group (IG) (n=20) or a Control group (CG) (n=20). The IG received personalized dietary guidance based on the MD principles, delivered through a CDSS, while the CG received general nutritional advice. Measurements of dietary intake, anthropometric indices, biochemical markers, and psychological well-being were collected at baseline and after a 3-month intervention period. After 3 months, significant improvements were observed in the IG compared to the CG. Adherence to the MD increased significantly in the IG, leading to decreased caloric intake, fat, saturated fatty acids, and dietary cholesterol, and increased intake of monounsaturated fatty acids. Conversely, the CG experienced an increase in fat and dietary cholesterol intake. Both groups exhibited an increase in fiber intake, with a more pronounced rise observed in the MD group. Psychological well-being showed a significant reduction in anxiety levels in the IG group, while no significant change was observed in the CG. The intervention led to improvements in dietary patterns, body composition, and psychological well-being. These results underscore the importance of dietary interventions tailored to the MD principles in the management of PCOS among adolescent females.

Conditions

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Polycystic Ovary Syndrome

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Recruitment involved adolescents with polycystic ovary syndrome. Participants, who expressed their willingness to take part, attended personal meetings with the appointed dieticians who provided comprehensive explanations on the objectives, methods, and the potential benefits/risks of the study. A leaflet with related information was provided to all patients. Every eligible volunteer, and their guardian, signed a written informed consent and then kept a hard copy of the signed document. All eligible females were recruited in 12/2019 and were randomly allocated in groups of one to either the Control group (CG) or the Intervention group (IG). The IG received a personalized Mediterranean dietary plan, delivered through a clinical decision support system, while the CG received general dietary advice. Every participant had two individual sessions with the assigned dietician, at the beginning and at the trial endpoint, which involved anthropometry, dietary assessment, and blood withdrawal.

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Treatment allocation was not revealed to the appointed statistician until the end of the study and release of the final outcomes.

Study Groups

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Intervention Group

Each participant was assigned to a highly skilled dietician. The dietician implemented an individualized daily dietary regimen according to the Mediterranean diet produced by the clinical decision support system (CDSS) software. The CDSS was utilized to calculate all necessary components for the synthesis of the dietary plan, which was renewed every 15 days. Participants of the Intervention group obtained unique login credentials for the CDSS and received instruction on its operation from the designated dietitians. They were directed to access their CDSS account remotely on a weekly basis in order to monitor their nutritional status (body weight and healthy eating) and to complete a three-day dietary journal; this information was automatically accessible to the dietitians. Telephone interviews were conducted every other week in order to supplement the nutritional and lifestyle consultations. In addition, unanticipated phone calls requesting 24-hour dietary recalls were received.

Group Type ACTIVE_COMPARATOR

Mediterranean diet group

Intervention Type OTHER

Females who met the inclusion and exclusion criteria were allocated in groups of one to either the Control group or the Intervention (MD) group using a random assignment method applied by an independent statistician. During the trial, every participant in both groups had two individual sessions with the assigned researchers. These sessions took place at the beginning of the trial and three months later, and involved anthropometry measurements, evaluation of dietary habits, assessment of psychological well-being, and collection of blood samples. Treatment allocation was not revealed to the appointed statistician until the end of the study and release of the final outcomes.

Control Group

The Control group participants were not provided with CDSS. They simply got basic lifestyle instructions based on the "National Dietary Guidelines for Children and Adolescents" during phone call sessions with the dieticians every 15 days. The ladies in the Control group were directed to maintain a food diary for three consecutive days each week, which they then transmitted to the designated dietician via email. Once again, unsolicited phone calls were conducted in order to acquire 24-hour dietary recalls.

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Mediterranean diet group

Females who met the inclusion and exclusion criteria were allocated in groups of one to either the Control group or the Intervention (MD) group using a random assignment method applied by an independent statistician. During the trial, every participant in both groups had two individual sessions with the assigned researchers. These sessions took place at the beginning of the trial and three months later, and involved anthropometry measurements, evaluation of dietary habits, assessment of psychological well-being, and collection of blood samples. Treatment allocation was not revealed to the appointed statistician until the end of the study and release of the final outcomes.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

1. Newly diagnosed with PCOS females \<18 years of age.
2. Females with guardians who provided signed participation consent.

Exclusion Criteria

1. Females ≥18 years of age.
2. Females suffering from severe illnesses (i.e., organ failure, autoimmune diseases, congenital metabolic disorders), psychiatric disease or with emerging health issues that could hinder the trial.
3. Pregnant or lactating females.
4. Females diagnosed with alcoholism or drug addiction.
5. Females being under any drug treatment.
6. Females followed a specific type of diet within the past 5 years or have used nutrient or non-nutrient supplements within the last 6 months.
7. Females with guardians non able to read and understand the consent information.

Minimum Eligible Age

15 Years

Maximum Eligible Age

17 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes