- Conditions
- Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage IA Breast Cancer AJCC v8, Anatomic Stage IB Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage IIA Breast Cancer AJCC v8, Anatomic Stage IIB Breast Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8, HER2 Negative Breast Adenocarcinoma, Hormone Receptor Positive Breast Adenocarcinoma, Invasive Breast Carcinoma, Multifocal 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 IIIA Breast Cancer AJCC v8, Prognostic Stage IIIB Breast Cancer AJCC v8, Unilateral Breast Carcinoma
- Interventions
- Abemaciclib, Niraparib Tosylate Monohydrate
- Drug
- Lead sponsor
- OHSU Knight Cancer Institute
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2025
- U.S. locations
- 1
- States / cities
- Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced May 21, 2026, 10:50 PM EDT