Can adding radiation to immunotherapy and chemotherapy boost breast cancer treatment?
NCT ID NCT07276880
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This phase 2 trial is testing whether adding low or high dose radiation to standard chemotherapy and the immunotherapy drug pembrolizumab can improve treatment for people with node-positive triple negative breast cancer. Thirty-two participants will be randomly assigned to receive either low or high dose radiation to the breast tumor before surgery. The main goal is to see which dose leads to a higher rate of complete cancer clearance in the lymph nodes.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Pembrolizumab (immunotherapy drug) and radiation therapy
- What this could lead to
- If successful, this could help determine the best radiation dose to boost the immune system's response against triple negative breast cancer when combined with immunotherapy and chemotherapy.
- What could go wrong
- This is a small, early-phase trial with only 32 participants, so results may not apply to all patients. The added radiation could increase side effects, and it's unclear if it will improve outcomes over standard treatment.
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
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About 32 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2026
- Expected to finish
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Jan 2032
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 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: In order to participate in this study, a subject must meet all of the eligibility criteria outlined below. * Written informed consent obtained to participate in the study and HIPAA authorization for release of personal health information. Subjects are willing and able * to comply with study procedures based on the judgment of the investigator. * Age ≥ 18 years at the time of consent. * ECOG or Karnofsky Performance Status of 0 or 1 Exclusion Criteria: * Active infection requiring systemic therapy. * Pregnant or breastfeeding. * Prior ipsilateral invasive breast, chest wall or thoracic radiotherapy * Prior ipsilateral invasive breast cancer, contralateral breast cancer or a known * additional, invasive malignancy that is progressing or required active treatment in * the last 5 years
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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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University of North Carolina
RECRUITINGChapel Hill, North Carolina, 27599, United States
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