Engineered immune cells take on Hard-to-Treat breast cancer
NCT ID NCT06347068
First seen Jun 27, 2026 · Last updated Jul 29, 2026 · Updated 4 times
Summary
This early-stage trial is testing a new type of immune cell therapy called CAR-T cells that target a protein called B7-H3 on triple-negative breast cancer cells. The cells also have a safety switch to stop them if needed. Up to 42 adults whose cancer has returned or not responded to treatment will receive these cells along with two chemotherapy drugs. The main goal is to find a safe dose and understand side effects.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- iC9-CAR.B7-H3 T cells (a type of immune cell therapy) given with chemotherapy drugs cyclophosphamide and fludarabine
- What this could lead to
- If it works, this could point toward a new treatment option for people with triple-negative breast cancer that has come back or not responded to other therapies.
- What could go wrong
- This is a very early phase 1 trial with only 42 people, so it is mainly checking safety, not effectiveness. The treatment can cause serious side effects like cytokine release syndrome and nerve problems.
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 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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About 42 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2024
- Expected to finish
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May 2030
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: Unless otherwise noted, subjects must meet all of the following criteria to participate in in all phases of the study: 1. Written informed consent and Health Insurance Portability and Accountability Act (HIPAA) authorization for release of personal health information explained to, understood by and signed by the subject or legally authorized representative. 2. Age ≥ 18 years at the time of consent. 3. Karnofsky score of \> 60% (see APPENDIX VI- Karnofsky Scale)) 4. Histologically confirmed TNBC (ER-, PR-, HER2-negative) 1. ER- and PR-negative: defined as \< 1% staining by immunohistochemistry (IHC) 2. HER2-negative: defined as IHC 0-1+ or fluorescence in situ hybridization (FISH) ratio \< 2.0 Exclusion Criteria: 1. Patients with a history of symptomatic CNS involvement or multiple metastases requiring whole-brain radiation. 2. Subjects with a prior or concurrent malignancy whose natural history or treatment has the potential to interfere with the safety or efficacy assessment of the investigational regimen are eligible for this trial. 3. Subject does not have a measurable and or evaluable disease as defined by RECIST 1.1
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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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