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Timing is everything: new trial tests best duration of hormone therapy before breast cancer surgery

NCT ID NCT06806930

Disease control Sponsor: George Washington University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at how long hormone-blocking therapy given before surgery (neoadjuvant endocrine therapy) affects breast cancer in people with early-stage disease. About 90 participants will receive therapy for different lengths of time, from weeks up to a year. Researchers want to see if longer treatment leads to clearer surgical margins and better tumor response, and to develop a score that predicts outcomes.

What this could mean

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

Active substance
neoadjuvant endocrine therapy (hormone-blocking drugs)
What this could lead to
If successful, this could help doctors personalize the duration of hormone therapy before breast cancer surgery, improving outcomes and reducing unnecessary treatment.
What could go wrong
This is a small, early-phase study (90 participants) focused on predicting response, not proving a cure. Results may not apply to all breast cancer types, and individual responses vary.

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

Phase 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 90 people

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

Started

Oct 2024

Expected to finish

Oct 2028

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

21 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: * Be capable of understanding the investigational nature of the study and all pertinent aspects of the study * Be capable of signing and providing written consent in accordance with institutional and federal guidelines * Histologically or cytologically confirmed diagnosis of invasive carcinoma of the breast * Clinical stage 1 to 3 breast cancer * Candidate for surgical resection * Estrogen receptor \> 10% positive stained cells based on most recent tumor biopsy and documented by a local laboratory or medical record. * HER2 negative or HER2 low breast cancer based on the most recent tumor biopsy and documented by a local laboratory or medical record. HER2 negative tumor is defined per American Society of Clinical Oncology and the College of American Pathologists guidelines, 2018. Patients with HER2 low tumors are eligible as long as patients are not candidates for any HER2 directed therapy. * Ability to take oral medication * Be willing and able to comply with scheduled visits, treatment plan, and follow up with research staff * Age ≥ 21 years Exclusion Criteria: * Inability to comply taking NET * Inability to comply to study procedures

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Conditions

The condition(s) this trial relates to.

breast cancer breast carcinoma breast neoplasm carcinoma neoplasm

As listed by the trial registrant

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

Breast cancer stage I Breast cancer stage II Breast cancer stage III Carcinoma breast

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

    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

  • George Washington-Medical Faculty Associates

    RECRUITING

    Washington D.C., District of Columbia, 20037, United States

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