A Phase II, Multicentre, Open-Label Study to Assess the Efficacy and Safety of Olaparib Monotherapy and Olaparib Plus Durvalumab Combination as Neoadjuvant Therapy in Patients with BRCA Mutations and Early Stage HER2- negative Breast Cancer (OlympiaN)

BRCA Mutations and Early Stage HER2-Negative Breast Cancer

pCR is defined as ypT0/Tis ypN0 (ie, no invasive residual in breast and the axillary lymph nodes on evaluation of the complete resected breast specimen and all sampled regional lymph nodes) following completion of neoadjuvant systemic therapy

pCR is defined as ypT0/Tis ypN0 (ie, no invasive residual in breast and the axillary lymph nodes on evaluation of the complete resected breast specimen and all sampled regional lymph nodes) following completion of neoadjuvant systemic therapy., RCB index value using 6 variables to categorize response in 1 of 4 classes: RCB 0 (pCR), I (minimal RCB), II (moderate RCB), and III (extensive RCB)., Percentage change in tumour volume from baseline after 3 and 6 cycles of treatment will be measured using MRI., EFS is defined as time from the first dose of study intervention administration to any of the following events: progression of disease that precludes surgery, local or distant recurrence after surgery, second primary malignancy (breast or other invasive cancers), or death due to any cause., Safety and tolerability will be evaluated in terms of AEs/SAEs, physical examination, vital signs including blood pressure, pulse, heart rate, body temperature, body weight and height, clinical laboratory assessments including clinical chemistry/haematology parameters, and ECGs.

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