A Study of Changes in Ki67 Expression in People With Breast Cancer Receiving Endocrine Therapy Before Surgery
Public ClinicalTrials.gov record NCT06127979. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Differential Changes in Ki67 Between Carriers and Noncarriers of BRCA2 Mutations With Estrogen Receptor-Positive, Human Epidermal Growth Factor Receptor 2-negative Breast Cancer Treated With Preoperative Endocrine Therapy
Study identification
- NCT ID
- NCT06127979
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Not applicable
- Lead sponsor
- Memorial Sloan Kettering Cancer Center
- Other
- Enrollment
- 42 participants
Conditions and interventions
Conditions
Interventions
- blood draw Other
- core needle biopsy Procedure
Other · Procedure
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- Female
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Nov 5, 2023
- Primary completion
- Oct 31, 2028
- Completion
- Oct 31, 2028
- Last update posted
- May 4, 2026
2023 – 2028
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Memorial Sloan Kettering Cancer Center (All Protocol Activities) | New York | New York | 10065 | Recruiting |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT06127979, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted May 4, 2026 · Synced May 6, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT06127979 live on ClinicalTrials.gov.