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Active, Not Recruiting

NCT Number: NCT07283718

The Association Between Axillary Lymph Node Metastasis Patterns and Breast Cancer Prognosis

This is a real-world multicentre study to investigate the metastatic pattern of axillary lymph node and its association with breast cancer prognosis.

Active, Not Recruiting

This study is active but is not currently recruiting participants.

Key information

Conditions

Breast Cancer Invasive

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Renji Hospital, School of Medicine, Shanghai Jiaotong University

Shanghai, 200127, China

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Aged 18 years or older
  • Pathologically confirmed invasive primary breast cancer

Exclusion criteria

  • De novo stage IV breast cancer

Treatment and study plan

ALND

Procedure

axillary lymph node dissection

Primary outcomes

  1. Disease free survival

    Time frame: From the date of axillary lymph node dissection until time of event up to 3 years

    Disease-free survival time is defined as the time from the date of axillary lymph node dissection until the date of the first occurrence of local/regional relapse, distant recurrence, contralateral breast cancer, second malignancy and death from any cause.

Secondary outcomes

  1. Recurrence-free survival

    Time frame: From the date of axillary lymph node dissection until time of event up to 3 years

    Recurrence-free survival time is defined as the time from the date of axillary lymph node dissection until the date of the first occurrence of local/regional recurrence, distant recurrence and death from any cause

  2. Overall survival

    Time frame: From the date of axillary lymph node dissection until time of event up to 3 years

    Overall survival time is defined as the time from the date of axillary lymph node dissection until death from any cause

Sponsors and collaborators

Lead sponsor

Wenjin Yin

Other

Registry information

Official study title

The Association Between Axillary Lymph Node Metastasis Patterns and Breast Cancer Prognosis：a Real-world Study

Important dates

Study start
2025
Primary completion
2025
Study completion
2026
First posted
Dec 16, 2025
Registry last updated
May 13, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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