New drug cocktail aims to stall breast cancer
NCT ID NCT07441486
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
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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
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Apr 2026
An estimate. Start dates often move.
- Expected to finish
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Aug 2026
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 75 years
- Sex
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Female participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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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.
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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.
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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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Other studies related to the condition(s) this trial covers.
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