A Composite Assay for HER2-positive Early-stage Breast Cancer Management

NCT ID: NCT06762977

Last Updated: 2025-01-08

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

RECRUITING

Total Enrollment

180 participants

Study Classification

OBSERVATIONAL

Study Start Date

2024-11-13

Study Completion Date

2026-08-31

Brief Summary

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The goal of this observational study is to assess the prognostic value of a genomic classifier (S18) and its refined version (S\*) in women with early-stage HER2-positive breast cancer. The study aims to determine whether these tools can predict event-free (EFS) and disease-free survival (DFS) in patients treated with neoadjuvant and/or adjuvant trastuzumab-based therapies.

Detailed Description

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The population includes women aged 18 or older with stage I-III HER2-positive breast cancer who received trastuzumab ± pertuzumab. Data and tumor tissue samples from this population have been collected prospectively from Istituto Nazionale dei Tumori IRCCS Fondazione Pascale, Naples (cohort A), and from Ospedale "Di Summa-Perrino", Brindisi (cohort B). The study integrates clinical-pathological and genomic data to refine and validate the prognostic capabilities of the S18 classifier.

Conditions

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Breast Cancer Early Stage Breast Cancer (Stage 1-3) HER2

Study Design

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Observational Model Type

OTHER

Study Time Perspective

OTHER

Eligibility Criteria

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Inclusion Criteria

1. Age ≥ 18 years
2. Operable breast cancer (stage I-III)
3. Any status of hormone receptor in the primary tumor, according to institutional guidelines
4. HER2-positive primary tumor, according to ASCO guidelines, i.e., HER2-positive phenotype by immunohistochemistry (IHC) 3+ or 2+ with a positive result for ERBB2 gene amplification analysis using ISH techniques (CISH, SISH, FISH)
5. Neoadjuvant and/or adjuvant therapy based on trastuzumab ± pertuzumab
6. Written informed consent from patients

Exclusion Criteria

1. Patient in follow-up for less than 3 years after surgery
2. A prior diagnosis of invasive cancer before the diagnosis of breast cancer
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Istituto Nazionale Tumori IRCCS - Fondazione G. Pascale

NETWORK

Sponsor Role collaborator

Ospedale Di Summa-Perrino

UNKNOWN

Sponsor Role collaborator

Fondazione IRCCS Istituto Nazionale dei Tumori, Milano

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Serena Di Cosimo, MD, PhD

Role: PRINCIPAL_INVESTIGATOR

Fondazione IRCCS Istituto Nazionale dei Tumori di Milano

Paolo Verderio, PhD

Role: STUDY_CHAIR

Fondazione IRCCS Istituto Nazionale dei Tumori di Milano

Locations

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Ospedale Di Summa-Perrino

Brindisi, , Italy

Site Status RECRUITING

Istituto Nazionale Tumori IRCCS - Fondazione G. Pascale

Naples, , Italy

Site Status RECRUITING

Countries

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Italy

Central Contacts

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Serena Di Cosimo, MD, PhD

Role: CONTACT

+39 02 2390 2700

Paolo Verderio, PhD

Role: CONTACT

+39 02 2390 3201

Facility Contacts

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Saverio Cinieri, MD

Role: primary

+39 0831537217

Michelino De Laurentiis, MD

Role: primary

+39 081 7461111 ext. +39 081590369

Other Identifiers

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INT 138/24

Identifier Type: -

Identifier Source: org_study_id

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