ClinicalTrials.gov record
Active, not recruiting Phase 2 Interventional

Study of Neoadjuvant Olaparib Monotherapy and Olaparib and Durvalumab Combination in HER2 Negative BRCAm Breast Cancer

ClinicalTrials.gov ID: NCT05498155

Public ClinicalTrials.gov record NCT05498155. 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.

ClinicalTrials.gov public records Last synced Apr 29, 2026, 9:58 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

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

Study identification

NCT ID
NCT05498155
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 2
Lead sponsor
AstraZeneca
Industry
Enrollment
50 participants

Conditions and interventions

Conditions

Not listed

Interventions

Not listed

Eligibility (public fields only)

Age range
18 Years to 130 Years
Sex
All
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 6, 2022
Primary completion
Nov 19, 2024
Completion
Dec 30, 2026
Last update posted
Jun 9, 2025

2022 – 2026

United States locations

U.S. sites
5
U.S. states
4
U.S. cities
5
Facility City State ZIP Site status
Research Site Greeley Colorado 80631
Research Site Loveland Colorado 80537
Research Site Boston Massachusetts 02215
Research Site Portland Oregon 97239
Research Site Philadelphia Pennsylvania 19104

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 16 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05498155, 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 Jun 9, 2025 · Synced Apr 29, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05498155 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →