Examining LAG3 Expression in Triple Negative Breast Cancer

The Evaluation the Relationship Between LAG-3 Expression / Immune Checkpoint Protein Expression and Neoadjuvant Chemotherapy Plus Immune Checkpoint Inhibitor in Triple Negative Breast Cancer

NA · Samsung Medical Center · NCT06259162

This study is testing how a protein called LAG-3 affects treatment outcomes in patients with triple negative breast cancer who are receiving chemotherapy along with an immune therapy.

Quick facts

PhaseNA
Study typeInterventional
Enrollment128 (estimated)
SexFemale
SponsorSamsung Medical Center (other)
Drugs / interventionschemotherapy
Locations1 site (Seoul)
Trial IDNCT06259162 on ClinicalTrials.gov

What this trial studies

This study investigates the relationship between LAG-3 expression and immune checkpoint protein expression in patients with triple negative breast cancer undergoing neoadjuvant chemotherapy combined with an immune checkpoint inhibitor. The goal is to understand how these expressions may influence treatment outcomes. By analyzing tissue samples and patient responses, the study aims to provide insights into potential biomarkers for therapy effectiveness.

Who should consider this trial

Good fit: Ideal candidates for this study are individuals diagnosed with triple negative breast cancer who are scheduled to receive neoadjuvant chemotherapy.

Not a fit: Patients with HER2-positive or hormone receptor positive breast cancer will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved treatment strategies for patients with triple negative breast cancer.

How similar studies have performed: While this approach is exploring a specific biomarker in a targeted population, similar studies have shown promise in utilizing immune checkpoint inhibitors in cancer treatment.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Planned neoadjuvant chemotherapy
* Triple negative breast cancer

Exclusion Criteria:

* HER2-positive breast cancer
* Hormone receptor positive breast cancer

Where this trial is running

Seoul

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Triple Negative Breast Cancer, Immune Checkpoint Inhibitor

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.