Abemaciclib in Treating Patients With Surgically Resectable, Chemotherapy Resistant, Triple Negative Breast Cancer
Public ClinicalTrials.gov record NCT03979508. 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
Window Trial of Abemaciclib for Surgically Resectable, Chemotherapy-Resistant, Triple Negative Breast Cancer (a BEAUTY Study*)
Study identification
- NCT ID
- NCT03979508
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Mayo Clinic
- Other
- Enrollment
- 26 participants
Conditions and interventions
Conditions
- Anatomic Stage I Breast Cancer AJCC v8
- Anatomic Stage II Breast Cancer AJCC v8
- Anatomic Stage III Breast Cancer AJCC v8
- Breast Ductal Carcinoma In Situ
- Breast Fibrocystic Change
- Breast Lobular Carcinoma In Situ
- Invasive Breast Carcinoma
- Prognostic Stage I Breast Cancer AJCC v8
- Prognostic Stage IA Breast Cancer AJCC v8
- Prognostic Stage IB Breast Cancer AJCC v8
- Prognostic Stage II Breast Cancer AJCC v8
- Prognostic Stage IIA Breast Cancer AJCC v8
- Prognostic Stage IIB Breast Cancer AJCC v8
- Prognostic Stage III Breast Cancer AJCC v8
- Prognostic Stage IIIA Breast Cancer AJCC v8
- Prognostic Stage IIIB Breast Cancer AJCC v8
- Prognostic Stage IIIC Breast Cancer AJCC v8
- Triple-Negative Breast Carcinoma
Interventions
- Abemaciclib Drug
- Therapeutic Conventional Surgery Procedure
Drug · Procedure
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- Female
- Healthy volunteers
- Not listed
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jan 9, 2020
- Primary completion
- Dec 25, 2024
- Completion
- Dec 25, 2024
- Last update posted
- Nov 11, 2025
2020 – 2024
United States locations
- U.S. sites
- 3
- U.S. states
- 3
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Mayo Clinic in Arizona | Scottsdale | Arizona | 85259 | — |
| Mayo Clinic in Florida | Jacksonville | Florida | 32224-9980 | — |
| Mayo Clinic in Rochester | Rochester | Minnesota | 55905 | — |
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 NCT03979508, 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 Nov 11, 2025 · Synced Apr 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03979508 live on ClinicalTrials.gov.