Status:

RECRUITING

Analysis of Exploring Optimized Sequential Treatment Strategies of Antibody-Drug Conjugates (ADCs) in HER2-Low-Expressing Breast Cancer

Lead Sponsor:

Sun Yat-sen University

Conditions:

Antibody-drug Conjugates

HER2-low Breast Cancer

Eligibility:

All Genders

Brief Summary

This study retrospectively analyzes the clinical data of HER2-low breast cancer (IHC 1+/2+ and FISH-negative) patients treated with sequential antibody-drug conjugates (ADCs). Key variables include pa...

Detailed Description

Breast cancer is one of the most common malignancies in women, posing a significant threat to female health. According to current molecular subtypes, breast cancer is classified into hormone receptor-...

Eligibility Criteria

Inclusion

  • Diagnosed with HER2-low breast cancer, defined as immunohistochemistry (IHC) score of 1+ or IHC score of 2+ with negative in situ hybridization (FISH-negative)
  • Received sequential administration of two or more ADCs
  • Complete data for patient's character, laboratory and imaging test, treatment and follow-up are available.

Exclusion

  • Concomitant with other tumor components at the time of diagnosis;
  • Have a history of any other malignant tumors;
  • Lack of complete data

Key Trial Info

Start Date :

January 1 2020

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

January 1 2026

Estimated Enrollment :

700 Patients enrolled

Trial Details

Trial ID

NCT06877416

Start Date

January 1 2020

End Date

January 1 2026

Last Update

March 20 2025

Active Locations (1)

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Sun yat-sen University Cancer

Guangzhou, Guangdong, China, 510060