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Ultra-Processed foods under the microscope: new study targets hidden health effects

NCT ID NCT07634159

Knowledge-focused Sponsor: Göteborg University Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Aug 25, 2026 · Updated 2 times

Summary

This study aims to find out if eating a lot of ultra-processed foods (like packaged snacks and sugary drinks) directly harms appetite and heart health, even without weight gain. Researchers will compare a high-UPF diet to a low-UPF diet in 40 healthy adults aged 20-60. Participants will eat both diets in a random order, and scientists will measure hormones, blood fats, and body changes.

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 40 people

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

Started

Jun 2026

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

20 to 60 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Age 20-60 years * Weight stable (less than 5% weight change in the past 3 months) * No plans to change weight * Willing to eat the study diet and a mixed diet * Habitually eats breakfast, lunch and dinner * Has provided informed consent to participate in the study Exclusion Criteria: * Allergy or intolerance to foods included in the study. Participants with lactose intolerance treated with lactase may participate if they take enzymes. * BMI \<18.5 or \>35 kg/m² * \>8h/week of intense physical activity * Use of medications known to significantly affect appetite (e.g., oral corticosteroids, antipsychotic medications, or GLP-1 receptor agonists) * Use of lipid-lowering medications (e.g., statins or PCSK9 inhibitors) * Diagnosed diabetes or capillary blood glucose at or above 12.2 mmol/L * Disease associated with malabsorption (e.g., inflammatory bowel disease or celiac disease) * Previous bariatric surgery * Established cardiovascular disease (heart failure, myocardial infarction, or stroke) or cancer * Pregnancy or breastfeeding, or plans to become pregnant or breastfeed during the study * Deemed likely to have poor adherence

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As listed by the trial registrant

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

Cardiometabolic risk factors Diet interventions Microbiota

How to take part

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  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

  • University of Gothenburg

    RECRUITING

    Gothenburg, 40530, Sweden

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