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Artichoke waste may hold key to better nutrition tracking

NCT ID NCT07615673

Knowledge-focused Sponsor: Iziar Amaia Ludwig Sanz Orrio Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study looks at how healthy adults absorb, process, and eliminate certain natural compounds (polyphenols) from a supplement made from artichoke by-products. Sixteen volunteers will follow a low-polyphenol diet and provide blood and urine samples over 48 hours. The goal is to identify markers that show how these compounds are used by the body, which could help improve nutrition research.

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 16 people

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

Started

May 2026

Expected to finish

Jun 2026

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 75 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: * Men and women between 18 and 75 years of age. * Normal-weight volunteers (BMI of 18.5-24.9 kg/m²). * Subjects must be able to understand and willing to sign the informed consent form, and must comply with all study procedures and requirements. Exclusion Criteria: * Presence of chronic gastrointestinal pathology. * Lactating or pregnant women, or those planning to become pregnant. * Individuals who have taken antibiotics within the 3 months prior to the study. * Individuals currently taking supplements (plant-derived, fiber, or probiotics) unless they are willing to discontinue use during the 4-day study intervention and ensure a minimum washout period of 14 days prior to baseline measurements. * Individuals with an alcohol intake \> 80 g/day. * Presence of allergy or intolerance to artichoke. * Individuals undergoing treatment with anticoagulants, immunosuppressants, or cytotoxic agents. * Presence of renal or hepatic failure. * Presence of immunodeficiency or being HIV positive. * Subjects with any type of cancer, those undergoing cancer treatment, or those for whom at least 5 years have not passed since remission. * Presence of weight loss greater than 5% in the 6 months prior to the trial. * Lack of time or geographical availability to attend the study visits. * Failure to sign the informed consent form. * Difficulty in undergoing blood extraction/collection. * Having donated blood within 14 days prior to the baseline visit. * Individuals who demonstrate difficulty swallowing capsules, tablets, pills, or similar.

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As listed by the trial registrant

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

ADME Healthy adult participants Polyphenolic compounds and metabolism Polyphenols absorption profile

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

  • Universidad de Navarra

    RECRUITING

    Pamplona, Navarre, 31008, Spain

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