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New drug cocktail aims to stall breast cancer

NCT ID NCT07441486

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 phase 2 trial tests a combination of two drugs—entinostat and oral paclitaxel—in 50 people with HR-positive, HER2-negative advanced breast cancer who have already tried 2 to 4 prior treatments. The goal is to see if the combo can delay cancer growth. Participants take both drugs by mouth, and the study measures how long they live without the disease getting worse.

What this could mean

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

Active substance
Entinostat and oral paclitaxel
What this could lead to
If successful, this combination could offer a new treatment option to slow cancer growth in people with HR+HER2- advanced breast cancer who have already tried other therapies.
What could go wrong
This is a small, early-phase trial with only 50 participants and no comparison group. The treatment may not work better than existing options, and side effects are unknown.

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 50 people

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

Expected to start

Apr 2026

An estimate. Start dates often move.

Expected to finish

Aug 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 75 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.

Only participants who meet all of the following eligibility criteria will be eligible for this trial: * Age ≥ 18 years; * Patients with advanced breast carcinoma confirmed by histopathological and / or cytological examination; * HER2-negative breast carcinoma with confirmed HR positive primary and / or metastatic lesions; * At least one evaluable tumor lesion (according to RECIST1.1); * Prior 2-4 lines of therapy, which must include one endocrine therapy with CDK4 / 6 inhibitors, one chemotherapy with paclitaxel. * Previous 1L of ADC drug therapy is acceptable. * Complete clinical data on important research indicators; * The Eastern Oncology Assistance Group (ECOG) physical fitness status score was 0-2; * Life expectancy \> 6 months.

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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 official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  2. 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.

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