Triple-Negative Breast Cancer · An Interactive Guide
Triple-negative describes what the tumor lacks — not the treatments that remain.
Triple-negative breast cancer does not have estrogen receptors, progesterone receptors, or enough HER2 for treatments directed at those targets. Treatment instead depends on disease stage, tumor biology, biomarkers, prior therapy, and the individual patient.
“Triple-negative” describes receptor testing. It does not mean that every TNBC tumor behaves in the same way.
01 / 06 A breast cancer cell.
02Newsfeed
Live Newsfeed
New treatments, trials, and research on triple-negative breast cancer — gathered automatically, summarized in a sentence or two, and linked straight to the original source.
Iovance is expanding its TIL cell therapy pipeline with IOV-5001 trial across multiple solid tumors including triple-negative breast cancer alongside colorectal and head/neck cancers.
Phase III A-BRAVE trial randomized 466 high-risk early TNBC patients to evaluate tumor-infiltrating lymphocytes as a predictor of adjuvant avelumab efficacy.
Showing the 4 latest of 12 stories. Summaries are AI-generated.
02TNBC Biology Explorer
One tumor, many layers
A tumor is not just cancer cells. Turn on a layer — or switch on the focus lens and move it across the tissue — to see how cells, immune activity, blood supply, DNA repair, and surface targets connect to treatment.
Layer · Tumor cells
The cancer cells themselves — dividing and forming the tumor mass.
Tumors classified as TNBC can differ substantially
Each dot is a hypothetical tumor profile — not a real patient. Choose a biological dimension and watch the constellation reorganize. The same tumors line up differently depending on what you measure.
Immune-coldImmune-inflamed
Conceptual visualization — dot positions are illustrative, not measured prevalence values. Dot size hints at proliferation.
How to read this. Researchers use several models to describe TNBC diversity. Not all research classifications are routinely used to select treatment. Some features here are clinically established (for example, DNA-repair status via BRCA, and surface-target expression); others are under investigation and appear mainly in research.
04Treatment Landscape
Where each treatment strategy fits
TNBC treatment is organized by disease setting (across the top) and strategy (down the side). A therapy appears only where it is relevant. Select any card to see how it works, where it is used, and the evidence behind it.
This map shows where categories of treatment are relevant — not individualized treatment sequences, dosing, or recommendations. Positions are educational. Decisions are made with an oncology team.
05Biomarker Explorer
From a sample to a decision
Biological testing can connect a tumor to treatment options or research. Select a biomarker to trace the path from sample to result — and to see only the evidence-supported connections it carries.
Germline BRCA1 / BRCA2
●Routinely used
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Sample collected
→
🔬
Test performed
→
📄
Result generated
→
🏷️
Result categorized
→
➜
May inform care
What is measured
Inherited (germline) mutations in the BRCA1 or BRCA2 genes, which are involved in DNA repair.
Sample required
Blood or saliva (germline testing).
Testing method
Genetic sequencing.
When it may be tested
Often considered at diagnosis, especially with TNBC, younger age, or family history.
What a result means
A pathogenic germline BRCA1/2 mutation signals impaired DNA repair and has implications for the patient and family.
Does it change treatment?
May make a PARP inhibitor relevant for selected patients, and prompts hereditary-risk counseling.
Important limitations
Germline testing reflects inherited risk; it differs from mutations found only in the tumor (somatic).
Evidence-supported connections
↳
PARP inhibitor relevance
Germline BRCA1/2 mutation can make PARP inhibitors an option in defined settings.
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Hereditary-risk implications
Positive results prompt genetic counseling and family considerations.
Distance from the center reflects clinical maturity — not how good a therapy is. The inner ring holds approaches already integrated into care; outer rings hold strategies still being tested. Select a strategy to see the idea and its uncertainty.
1Clinically established / recently integrated
2Active clinical development (mid/late-stage studies)
3Early experimental (early clinical or preclinical)
Zone 2 · Active development
Next-generation antibody-drug conjugates
The idea
Build on approved ADCs with new targets, better linkers, and different payloads to widen which tumors can be treated and to delay resistance.
Problem it targets
Not every tumor expresses a usable target, and resistance to current ADCs develops.
Biological target
Surface targets such as Trop-2 and HER2 (including HER2-low), and emerging antigens.
Stage of development
Approved ADCs exist for defined settings; newer constructs are in mid- and late-stage trials.
Potential advantage
Delivers a potent payload more selectively, potentially with a broader set of eligible tumors.
Major uncertainty
Optimal sequencing, overlapping toxicities, and which next-generation constructs add real benefit.
These are real studies drawn from ClinicalTrials.gov, chosen to illustrate the range of TNBC research — not a matching service or a ranking. Filter by strategy, and open any study's official record to learn more.
Important. Only a clinical-trial team can determine whether a person is eligible. Trial information changes frequently and should be confirmed with the official study record.
Curated trial set by category
How the 8 spotlighted studies distribute across category. Counts reflect this curated set only, verified July 2026 — source: ClinicalTrials.gov.
Antibody-drug conjugate
2
Early-stage & neoadjuvant immunotherapy
1
Post-surgical / residual-disease
1
Vaccine
1
Cellular therapy
1
BRCA & DNA-repair-focused
1
Metastatic TNBC
1
Curated trial count by category
category
Trials
Antibody-drug conjugate
2
Early-stage & neoadjuvant immunotherapy
1
Post-surgical / residual-disease
1
Vaccine
1
Cellular therapy
1
BRCA & DNA-repair-focused
1
Metastatic TNBC
1
NCT06245889Recruiting
Adjusting pre-surgery chemo + immunotherapy based on early response