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Scientists investigate body Fats' role in breast cancer and weight

NCT ID NCT07447440

Knowledge-focused Sponsor: Clinica Universidad de Navarra, Universidad de Navarra 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study looks at how certain natural fats from food affect inflammation in postmenopausal women, especially those with breast cancer and obesity. Researchers will measure body fat, diet, activity, and quality of life in 60 women divided into four groups. No treatment is given—the goal is to better understand the links between these fats, weight, and breast cancer.

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.

Participants

About 60 people

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

Started

Oct 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.

Who is studied

Postmenopuasal women.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

Sex

Female participants only

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.

HEALTHY PARTICIPANTS: Inclusion Criteria: * Postmenopause (al least 1 year). * Normoweight or overweight/obesity. * No personal history of cancer. * Stable weight over the last 3 months (±5%). * Willing to sign the informed consent and comply with all study procedures. Exclusion Criteria: * Personal history of cancer. * Current weight loss treatment (diet, supplementation, surgery, others...). * Bariatric surgery. * No stable pharmacological treatment for at least 3 months. * Diabetes treatment and hormone replacement therapy. * Relevant functional or structural abnormalities of the gastrointestinal tract, such as malformations, angiodysplasias, active peptic ulcers, chronic inflammatory or malabsorption diseases, hiatal hernia, chronic reflux, etc. * High alcohol intake, more than 14 units per week for women and 20 units per week for men. * Surgical interventions resulting in permanent sequelae of the gastrointestinal tract. * Liver disease, except for non-alcoholic fatty liver disease. * Cognitive and/or psychiatric impairment. * Poor compliance or difficulty following study procedures. BREAST CANCER PARTICIPANTS: Inclusion Criteria: * Postmenopause (at least 1 year). * Normoweight or overweight/obesity. * Luminal subtype breast cancer, stages I-II, who require tumor resection and do not require preoperative treatment. * Willing to sign the informed consent and comply with all study procedures. Exclusion Criteria: * Luminal subtype breast cancer stages over than II or other type of breast cancer. * Require preoperative treatment.

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm neoplasm Obesity obesity disorder

As listed by the trial registrant

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

Breast cancer Health, subjective Obesity

How to take part

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

  1. The places running it

    2 sites. 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

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Center for Nutrition Research

    RECRUITING

    Pamplona, Navarre, 31008, Spain

  • Clínica Universidad de Navarra

    RECRUITING

    Pamplona, Navarre, 31008, Spain

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