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Can fasting and exercise tame metabolic syndrome? new saudi trial aims to find out

NCT ID NCT07181655

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study tests whether a combination of intermittent fasting (16:8 method), a calorie-restricted diet, and increased physical activity can improve key health markers in adults with metabolic syndrome. Researchers in Riyadh, Saudi Arabia, will enroll 140 participants and measure changes in blood sugar, cholesterol, blood pressure, and body mass index over the trial period. The goal is to see if this lifestyle approach can help manage the cluster of risk factors that increase the chance of heart disease and diabetes.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Intermittent fasting (16:8 method), calorie-restricted diet, and physical activity
What this could lead to
If successful, this could show that combining intermittent fasting, calorie restriction, and exercise is an effective lifestyle approach to manage metabolic syndrome and reduce related health risks.
What could go wrong
This is a relatively small, early-stage trial (140 participants) without a control group receiving standard care, so results may not be generalizable. Adherence to the strict fasting and diet protocols may be challenging, and long-term effects are not assessed.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 140 people

The number the study aims to enrol. It can still change while the study runs.

Started

Apr 2025

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 80 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * The inclusion criteria will be adult aged 18 years and above who have three or more of the following five risk factors (Kunduraci \& Ozbek, 2020): * Abdominal obesity. * Elevated triglycerides. * Low HDL cholesterol. * Elevated blood pressure. * Elevated fasting blood glucose. Exclusion Criteria: * Being pregnant, lactating women. * Diagnosis of cardiac failure or/and severe renal or liver diseases, cancer. * Having had bariatric surgery. * Physical or mental disability. * Neurological or cognitive impairment. * Participant with severely impaired vision, hearing, or speech. * Following a special diet or having changed their dietary pattern within the previous 12 weeks of the study's start date. * Use of insulin or sulphonamide derivative oral antidiabetic drugs. * Conditions that will seriously affect weight management such as having had bariatric surgery.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

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Contacts and locations

Locations

  • Associate Professor Dr. Hazizi Abu Saad

    RECRUITING

    Serdang, Selangor, 43300, Malaysia

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