Impact of Neoadjuvant Endocrine Therapy on Surgical Outcomes in Patients With Stage 2 to 3 Invasive Lobular Carcinoma: A Prospective Study
Memorial Sloan Kettering Cancer Center
Summary
The purpose of this study is to look at how effective neoadjuvant (before surgery) endocrine therapy (NET) is in participants with invasive lobular carcinoma (ILC) who have breast-conserving surgery (BCS). The main purpose of the study is to see if NET reduces the chance of having cancer cells at the edges of tissue removed during surgery (positive margins).
Eligibility
- Age range
- 50+ years
- Sex
- Female
- Healthy volunteers
- No
Inclusion Criteria: * Written informed consent by participant or legally authorized representative * Postmenopausal women aged ≥50 years with biopsy-proven cT2-T3 N0-1 ILC who opt to undergo and are medically fit to undergo BCS at enrollment. * Tumors of the ER+/HER2- subtype, defined as: 1. ER+: Positive for ER staining as indicated by ≥10% immunoreactive tumor nuclei. 2. HER2-: Immunohistochemistry assay demonstrating no or faint staining in ≤10% of tumor cells (IHC 0 or 1+) or negative by dual probe in situ hybridization assay. Exclusion Criteria: * Patients with prior ipsilateral b…
Interventions
- DrugNeoadjuvant endocrine therapy
The endocrine therapy used for the NET in this study will be anastrozole, letrozole, exemestane, or tamoxifen.
Locations (7)
- Memorial Sloan Kettering Basking Ridge (Limited Protocol Activities)Basking Ridge, New Jersey
- Memorial Sloan Kettering Monmouth (Limited Protocol Activities)Middletown, New Jersey
- Memorial Sloan Kettering Bergen (Limited Protocol Activities)Montvale, New Jersey
- Memorial Sloan Kettering Suffolk - Commack (Limited Protocol Activities)Commack, New York
- Memorial Sloan Kettering Westchester (Limited Protocol Activities)Harrison, New York
- Memorial Sloan Kettering Cancer Center (All Protocol Activities)New York, New York