New drug could supercharge radiation for brain metastases in breast cancer
NCT ID NCT06839547
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether adding a new anti-tumor drug to standard radiation therapy can help control advanced breast cancer that has spread to the brain. About 100 adults with this condition will be observed to see how long the cancer stays under control and if the treatment is safe. The goal is to find a better way to manage this serious complication of breast cancer.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 100 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2025
- Expected to finish
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Sep 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
The study plans to enroll 100 subjects with breast cancer brain metastasis. These subjects have been assessed by a multidisciplinary team (MDT) and are planned to receive or have already received intracranial radiotherapy. They are also planned to receive or are currently receiving treatment with novel anti-tumor drugs \[including: ADC drugs (such as T-DXd, T-DM1, etc.), CDK4/6 inhibitors, TKI drugs (such as Pyrotinib, Tucatinib, etc.), novel chemotherapy drugs (such as Utidelone, Irinotecan liposomes, etc.), Bevacizumab, PD-1/PD-L1 inhibitors, etc.\].
- 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.
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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.
Inclusion Criteria: 1. Males or females who are at least 18 years of age on the day of signing the informed consent form. 2. Patients with advanced breast cancer that is inoperable and has metastasized to the brain, confirmed by histology or cytology. 3. Patients who are planned to receive, currently receiving, or have completed intracranial radiotherapy after discussion by a multidisciplinary team (MDT) at the stage of brain metastasis. 4. Patients who are planned or currently receiving a systemic treatment regimen with a novel anti-tumor drug selected by the physician, within 3 weeks before radiotherapy, during radiotherapy, or within 3 weeks after completion of radiotherapy. These drugs include: ADC drugs (such as T-DXd, T-DM1, etc.), CDK4/6 inhibitors, TKI drugs (such as Pyrotinib, Tucatinib, etc.), Novel chemotherapy drugs (such as Utidelone, Irinotecan liposomes, etc.), Bevacizumab, PD-1/PD-L1 inhibitors, etc. 5. Patients with a traceable medical history during the treatment period. 6. Patients who are able to sign the informed consent form to participate in the study. Exclusion Criteria: 1. The subject has leptomeningeal metastasis. 2. If the patient has concurrent brain metastasis, the neurological symptoms are too severe to cooperate with radiotherapy. 3. The subject has not signed the informed consent form. 4. Pregnant or breastfeeding women. 5. Other situations deemed by the investigator as unsuitable for inclusion in the study.
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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 places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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.
Contacts and locations
Locations
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Cancer Hospital, Chinese Academy of Medical Sciences
RECRUITINGBeijing, 100021, China