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New drug combo aims to shrink breast tumors before surgery

NCT ID NCT07335081

Disease control Sponsor: Shanghai Jiao Tong University School of Medicine 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether a new drug combination (pyrotinib + trastuzumab + docetaxel) works better than the standard combo (pertuzumab + trastuzumab + docetaxel) for shrinking early-stage HER2-positive breast tumors before surgery. Researchers will use a blood test to measure tumor DNA changes after one treatment cycle. About 60 participants will be enrolled to see which approach clears cancer cells more effectively.

What this could mean

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

Active substance
pyrotinib, trastuzumab, docetaxel, and pertuzumab (drugs)
What this could lead to
If successful, this could point toward a more effective preoperative treatment for HER2-positive breast cancer, potentially improving tumor shrinkage before surgery.
What could go wrong
This is a small Phase 2 trial with only 60 participants, so results may not apply to all patients. The experimental drug pyrotinib may cause side effects like diarrhea or heart issues, and it's too early to know if it's better than the standard combination.

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 60 people

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

Started

Feb 2024

Expected to finish

Dec 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 70 years

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: * histologically diagnosed with Stage II-III HER2+ breast cancer (primary diameter \>2cm) * Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1 * Intact renal, hepatic, bone marrow and cardiac functions including baseline left ventricular ejection fraction (LVEF) ≥ 55% measured by echocardiography * No prior treatment Exclusion Criteria: * Bilateral or metastatic breast cancer * History of other malignancies * Severe cardiovascular disease * Allergic to any of the regimens

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm HER2 positive 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

    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

  • Ruijin Hospital

    RECRUITING

    Shanghai, 200025, China

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