New real-world study tracks eribulin effectiveness in tough breast cancer cases
NCT ID NCT07480694
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study observes 400 adults with advanced HER2-negative breast cancer who have already received antibody-drug conjugates. Researchers will track how long patients stay cancer-free or alive after starting eribulin-based therapy. The goal is to understand real-world treatment outcomes, not to test a new drug.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 400 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Mar 2026
An estimate. Start dates often move.
- Expected to finish
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Feb 2028
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.
Who is studied
Advanced HER2-negative breast cancer patients previously treated with ADC
- Ages
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18 years and older
- Sex
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Anyone
- 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.
Show the full entry requirements Hide 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: 1. At least 18 years old; 2. Inoperable locally advanced or metastatic breast cancer; 3. Planning to use a single-agent or combination treatment regimen based on eribulin; 4. HER2 negative (IHC 0,+, or ++ but ISH negative); 5. Previously received ADC treatment at the local advanced or metastatic disease stage; 6. Previously received chemotherapy (including ADC) for local advanced or metastatic disease no more than 2 lines, where one treatment line is defined as completing at least one cycle of chemotherapy; 7. Eastern Cooperative Oncology Group (ECOG) performance status score (PS) 0-2; 8. The investigators have evaluated that the patient's organ and bone marrow functions are suitable for medication use and there are no relevant contraindications; 9. The subjects voluntarily join the study and sign the informed consent. Exclusion Criteria: 1. HER2-positive tumors 2. The hormone receptor status is unknown; 3. Patients who have received eribulin treatment before; 4. Those who have had other malignant tumors within the past 5 years (excluding the following situations: cured skin basal cell carcinoma, cervical carcinoma in situ, papillary thyroid carcinoma; second primary cancer that has been cured and has no recurrence within 5 years; subjects who have clearly identified the origin of the metastatic lesion as being from a certain primary tumor); 5. Mental illness or mental disorder, patients with poor compliance and inability to cooperate and describe treatment responses; 6. Pregnant or lactating women; 7. Other serious or uncontrollable diseases, or other conditions assessed by the researcher as not suitable for enrollment.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
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How to take part
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The official record
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