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New study tracks daily life impact of breast cancer treatment

NCT ID NCT06931769

Knowledge-focused Sponsor: The Netherlands Cancer Institute 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 follows 100 people with stage III triple-negative breast cancer to see how standard treatments affect their quality of life. Participants fill out questionnaires about their well-being at nine time points and may give blood samples to track cancer DNA. The goal is to learn more about treatment effects, not to test a new drug.

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 100 people

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

Started

Nov 2025

Expected to finish

Jul 2030

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

Patients diagnosed with stage III, hormone receptor (HR)-negative HER2-negative, adenocarcinoma of the breast (TNBC).

Ages

18 years and older

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: * Patients aged 18 years or older * Histologically confirmed adenocarcinoma of the breast * Assumed clinical or pathological stage III (TNM) breast cancer * Breast tumor must be: * HER2-negative: i.e. either score 0 or 1 at immunohistochemistry or score 2 at immunohistochemistry and negative at in situ hybridization (ISH, CISH or FISH) * Hormone receptor negative i.e. an estrogen receptor (ER) of \<10% and progesterone receptor (PR) of \<10%.; or in case of a histological grade III tumor an ER of \<50% and a PR of \<50%. * Patients are planned to receive the complete standard of care in the Netherlands; neo-adjuvant chemotherapy according to local practise * Participating patients have to be able to use a mobile phone, tablet, laptop and/or computer and understand the Dutch language Exclusion Criteria: * Evidence of distant metastases. Staging examinations should have been performed according to Dutch national guidelines. * Patients who are only treated systemically in the adjuvant setting * Participation in another clinical study with an treatment intervention during the course of this study.

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm triple-negative breast carcinoma

As listed by the trial registrant

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

Breast cancer

How to take part

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

  1. The places running it

    7 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

  • Amphia

    NOT_YET_RECRUITING

    Breda, Netherlands

  • Amsterdam University Medical Center

    NOT_YET_RECRUITING

    Amsterdam, Netherlands

  • ErasmusMC

    RECRUITING

    Rotterdam, Netherlands

  • Maastricht University Medical Center

    RECRUITING

    Maastricht, Netherlands

  • Medical spectrum Twente

    RECRUITING

    Enschede, Overijssel, 7500 KA, Netherlands

  • The Netherlands Cancer Institute

    RECRUITING

    Amsterdam, Netherlands

  • UMCG

    RECRUITING

    Groningen, 9713 GZ, Netherlands

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