A Non-interventional Prospective Study of Early HER2-negative High-risk Breast Cancer and BRCA1/2 Mutations Prevalence in RussiA

NCT ID: NCT05939128

Last Updated: 2025-09-23

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Total Enrollment

625 participants

Study Classification

OBSERVATIONAL

Study Start Date

2023-06-30

Study Completion Date

2027-09-30

Brief Summary

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(Neo)adjuvant treatment approaches and outcomes

Detailed Description

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Conditions

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Breast Cancer

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Patients aged ≥ 18 years old

-. Signed ICF, including patient's consent for genetic testing specimens from primary tumor and blood samples
* Early HER2-negative BC (stages 2 and 3)
* Compliance with at least 1 of the criteria for BRCA1/2 testing in accordance with the clinical guidelines of the Ministry of Health of the Russian Federation
* Unknown BRCAm status or negative BRCAm PCR test
* Performed surgical treatment (not more than 7 months before inclusion)

-. High risk of recurrence according to one or more criteria:
1. incomplete pathomorphological response (in case of neoadjuvant therapy)
2. CPS-EG 3 scale score 3 and more (in case of neoadjuvant therapy)
3. presence of ≥ 4 metastatic lymph nodes in HR+ pts (in case of only adjuvant therapy)
4. ≥pT2 or ≥pN1 in TNBC pts (in case of only adjuvant therapy)
5. Any other high risk criterion according to investigators opinion
* The presence of postoperative or biopsy FFPE

Exclusion Criteria

* Participation in another clinical study with an investigational product during the last 3 months
* Confirmation that the subject was already included in this study before
* Absence of a written informed consent form; Data erroneously collected from subjects for which written consent is not available, will not be included in or will be deleted from the study database
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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AstraZeneca

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Research Site

Arkhangelsk, , Russia

Site Status

Research Site

Barnaul, , Russia

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Belgorod, , Russia

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Chelyabinsk, , Russia

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Grozny, , Russia

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Irkutsk, , Russia

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Khanty-Mansiysk, , Russia

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Krasnodar, , Russia

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Krasnoyarsk, , Russia

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Moscow, , Russia

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Nal'chik, , Russia

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Nyzhny Novgorod, , Russia

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Ryazan, , Russia

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Saint Petersburg, , Russia

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Severodvinsk, , Russia

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Sochi, , Russia

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Ufa, , Russia

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Vladivostok, , Russia

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Yaroslavl, , Russia

Site Status

Countries

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Russia

Other Identifiers

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D133HR00030

Identifier Type: -

Identifier Source: org_study_id

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