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Study identifier: NCT05396612 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

Role of the Immune Environment in Response to Therapy in Breast Cancer

Condition: Breast Cancer · ER Positive Breast Cancer · HER2-negative Breast Cancer  ·  Sponsor: Abramson Cancer Center at Penn Medicine

PhaseN/A
Planned participants300
Who can joinFemale, 18 Years to no upper limit
Healthy volunteersNo

About this study

This is an observational case-control study of tissues collected from women with ER+HER2- breast cancers. The immune environments of these cancers will be compared to triple negative and HER2+ breast cancers. No randomization or changes to standard of care treatment will occur as part of the study.

This description comes directly from the study's public registry record.

Talk to the study team

Julia T. Lewandowski  ·  215-662-2861  ·  Julia.Lewandowski@Pennmedicine.upenn.edu

Jennifer Zhang, MD  ·  215-615-6810  ·  Jennifer.Zhang@Pennmedicine.upenn.edu

Always discuss trial participation with your own doctor first.

Locations (1)

Abramson Cancer CenterPhiladelphia, Pennsylvania, United StatesRecruiting

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Source record: clinicaltrials.gov/study/NCT05396612