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Can two cancer pills keep breast cancer from returning?

NCT ID NCT07180056

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 is looking at whether taking a CDK4/6 inhibitor (either abemaciclib or ribociclib) after surgery can help prevent breast cancer from coming back in people with HR+/HER2- breast cancer. The researchers will follow 229 participants to see how long they stay cancer-free and what side effects occur. This is a real-world study, meaning it observes routine medical care rather than a controlled experiment.

What this could mean

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

Active substance
CDK4/6 inhibitors (abemaciclib or ribociclib)
What this could lead to
If successful, this study could confirm that adding CDK4/6 inhibitors after surgery helps keep HR+/HER2- breast cancer from coming back.
What could go wrong
This is an observational real-world study, not a randomized controlled trial, so results may be less definitive. Side effects from these drugs can be significant, and not all patients may benefit.

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 229 people

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

Started

Aug 2025

Expected to finish

Feb 2033

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

Breast cancer patients meeting current guideline recommendations and planning to receive adjuvant CDK4/6 inhibitors

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: * Aged ≥18 and older * Patients with pathologically confirmed breast cancer without distant metastasis or local recurrence * HR+/HER2- * ECOG 0-3 * Subjects meeting current guideline recommendations and planning to receive adjuvant CDK4/6 inhibitors Exclusion Criteria: * During pregnancy or lactation * Subjects that are unable to swallow tablets, or dysfunction of gastrointestinal absorption

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

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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