Exploring Gender Differences in the Effects of Diet and Physical Activity on Metabolic Parameters (GENDIET)

October 24, 2024 updated by: Mauro Lombardo, San Raffaele Telematic University
This study investigates the gender-specific effects of diet and physical activity on metabolic parameters in a cohort of adults. The study involved a 6-month intervention based on a Mediterranean-style diet and regular physical activity, with the primary objective of assessing changes in body composition, fasting glucose, lipid profiles, and liver enzymes. Participants were stratified by gender to evaluate whether men and women exhibit different metabolic responses to the intervention. The results aim to provide insights into personalized nutritional recommendations based on gender differences.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

The study was conducted to explore gender differences in metabolic responses to a Mediterranean-style diet combined with a structured physical activity regimen. The study population included 2,509 participants recruited from a metabolic health clinic in Rome, Italy. Participants followed a 6-month hypocaloric diet, with macronutrient distribution of 16% protein, 25% fats, and 59% carbohydrates. The diet emphasized plant-based foods, with limited red meat consumption and regular intake of fish and poultry. Alongside the dietary intervention, participants were instructed to perform moderate physical activity, including aerobic exercises for 50 minutes, three times a week.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Observational

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
200

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Italy
      • Rome, Italy, 00166
        • Department for the Promotion of Human Science and Quality of Life San Raffaele Open University

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

Yes

Sampling Method

Non-Probability Sample

Study Population

The study includes 200 adults from a metabolic health clinic in Rome, Italy, participating in a 6-month Mediterranean diet and physical activity intervention.

Description

Inclusion Criteria:

  • Adults aged 18 years and older.
  • Able to follow a Mediterranean diet and participate in physical activity.
  • Provide informed consent.

Exclusion Criteria:

  • Pregnant women.
  • Individuals with severe chronic diseases.
  • Participants with alcohol or substance abuse.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort

Group / Cohort

A group or subgroup of participants in an observational study that is assessed for biomedical or health outcomes.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Mediterranean Diet Intervention Group
This group consists of 200 adults who participated in a 6-month Mediterranean diet intervention combined with regular physical activity. The intervention focused on reducing energy intake by approximately 600 kcal/day while emphasizing plant-based foods, fish, and poultry. Participants' metabolic parameters, including body composition, fasting glucose, lipid profiles, and liver enzymes, were assessed at baseline and after 6 months.
Other: Behavioral Treatment
Participants followed a 6-month hypocaloric Mediterranean-style diet, reducing energy intake by approximately 600 kcal/day. The diet emphasized fruits, vegetables, whole grains, and fish, while limiting red meat and processed foods. Additionally, participants were required to perform moderate physical activity, including 50 minutes of aerobic exercise, 3 times a wee

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Change in Body Composition (Fat Mass and Lean Mass)
Time Frame: Baseline and 6 months
The primary outcome is the change in body composition, specifically fat mass and lean mass, after a 6-month Mediterranean diet intervention combined with regular physical activity.
Baseline and 6 months

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Change in Fasting Glucose
Time Frame: Baseline and 6 months
The secondary outcome includes changes in fasting glucose measured at baseline and after the 6-month intervention.
Baseline and 6 months
Change in Lipid Profiles (HDL, LDL, Total Cholesterol, Triglycerides)
Time Frame: Baseline and 6 months
The secondary outcome includes changes in lipid profiles (HDL, LDL, total cholesterol, and triglycerides) measured at baseline and after the 6-month intervention.
Baseline and 6 months
Change in Creatinine Levels
Time Frame: Baseline and 6 months
The secondary outcome includes changes in creatinine levels measured at baseline and after the 6-month intervention.
Baseline and 6 months
Change in Liver Enzymes (AST, ALT)
Time Frame: Baseline and 6 months
The secondary outcome includes changes in liver enzymes (AST, ALT) measured at baseline and after the 6-month intervention.
Baseline and 6 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
San Raffaele Telematic University

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Study Director: Massimiliano Caprio, PhD, Department for the Promotion of Human Science and Quality of Life San Raffaele Open University, Rome

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
January 2, 2024

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
August 31, 2024

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
October 1, 2024

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
October 22, 2024

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
October 24, 2024

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
October 28, 2024

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
October 28, 2024

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
October 24, 2024

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
October 1, 2024

More Information

Terms related to this study

Keywords

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • Gender_Diet_2024

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

IPD Plan Description

The de-identified individual participant data (IPD) will be made available to researchers upon reasonable request. Data will be shared securely for the purpose of secondary research.

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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