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Study Evaluating the Antitumor Activity and Safety of Niraparib as Neoadjuvant Treatment in Participants With Breast Cancer

Neoplasms, Breast Clinical Trial

Official title:
An Open-Label, Single-arm Pilot Study Evaluating the Antitumor Activity and Safety of Niraparib as Neoadjuvant Treatment in Localized, HER2-negative, BRCA-mutant Breast Cancer Patients

Clinical Trial Summary

This is an open-label, single-arm pilot study evaluating the antitumor activity and safety of niraparib as neoadjuvant therapy in participants with Human epidermal growth factor receptor 2 (HER2)-negative and breast cancer susceptibility gene mutant (BRCAmut) localized breast cancer (primary tumor >=1 centimeters [cm]). Breast magnetic resonance imaging (MRI), breast ultrasound, and tumor core biopsy will be performed at the screening (Days -28 to -1). Participants will receive niraparib (200 milligrams [mg] orally [PO]) treatment daily for 28 days (Cycle 1) and then will undergo breast ultrasound at the end of Cycle 1 on Day 28. Based on breast ultrasound reports, the participants will either discontinue the study (disease progression) or will continue niraparib treatment (complete response [CR], partial response [PR] or stable disease [SD]) for an additional cycle (Cycle 2). A breast MRI and breast ultrasound will be performed at the end of Cycle 2. Approximately 21 participants will be enrolled in this study and the study duration will be approximately 2 years.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03329937
Study type Interventional
Source Tesaro, Inc.
Contact
Status Completed
Phase Phase 1
Start date April 12, 2018
Completion date March 31, 2020
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