Radiation boosts immunotherapy in advanced breast cancer trial
NCT ID NCT06776861
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether using radiotherapy before immunotherapy can help control advanced breast cancer that has spread or cannot be removed by surgery. About 150 adults who have already had radiotherapy will receive immunotherapy, and researchers will track how long it takes for the cancer to grow. The goal is to see if this combination is safe and effective at slowing the disease.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 150 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2024
- 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
Patients with advanced breast cancer who have already received and continue to use immunotherapy, or are planned to receive immunotherapy, and have been recommended for radiotherapy following evaluation by a multidisciplinary team (MDT) in the early stage and have completed radiotherapy, are registered and followed up in this study.
- 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: Subjects are eligible for inclusion in the study only if all the following criteria apply: 1. Men or women who are 18 years of age or older on the day of signing the informed consent; 2. Patients with advanced breast cancer that is inoperable or has metastasized, confirmed by histology or cytology; 3. Patients who, after MDT discussion at the metastatic breast cancer stage, are considered suitable for radiotherapy and have completed radiotherapy; 4. Patients who have previously received and continue to use immunotherapy, or are planned to receive immunotherapy, and are scheduled to receive a systemic treatment regimen including immunotherapy as chosen by the physician within 3 weeks after completing radiotherapy; 5. Patients with a traceable medical history during treatment; 6. Subjects who are able to sign an informed consent to participate in the study. Exclusion Criteria: 1. Subjects with brain metastases or leptomeningeal metastases; if there are any suspected symptoms or signs of CNS involvement, they should be excluded by a cranial MRI scan; 2. Have not signed the informed consent form; 3. Pregnant or lactating women; 4. Other conditions deemed unsuitable for inclusion in the study by the investigator.
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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, Beijing Municipality, 100021, China
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