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Breast cancer study aims to find best Pre-Surgery therapy

NCT ID NCT05621564

Knowledge-focused Sponsor: RenJi Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 05, 2026 · Updated 3 times

Summary

This study is looking at how different treatments given before surgery (like chemo, radiation, or hormone therapy) affect breast cancer patients' response and long-term survival. Researchers will compare results based on the type of treatment and patient characteristics. The goal is to learn which pre-operative approach works best for different people.

What this could mean

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

Active substance
pre-operative therapy (chemotherapy, radiation, endocrine therapy, targeted therapy, or other anti-tumor drugs)
What this could lead to
If successful, this could help doctors choose the best pre-operative treatment for each breast cancer patient, potentially improving survival and response rates.
What could go wrong
This is an observational study, not a controlled trial, so it cannot prove cause and effect. Results may vary by patient group and may not apply to all.

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 6,032 people

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

Started

Nov 2022

Expected to finish

Nov 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

The study population will be selected from the hospital where they are treated

Ages

18 years and older

Sex

Female participants only

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: * Female, Aged ≥18 years * Histologically confirmed primary breast cancer * Plan to receive pre-operative therapy * Adequate organ function Exclusion Criteria: * History of neurological or psychological disease, including epilepsy or dementia * Not suitable to participate in this study judged by investigators

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm

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

    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

  • Renji Hospital, School of Medicine, Shanghai Jiaotong University

    RECRUITING

    Shanghai, 200127, China

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