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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT06149884
Other study ID # 3-2023-0214
Secondary ID
Status Completed
Phase
First received
Last updated
Start date September 1, 2006
Est. completion date February 28, 2018

Study information

Verified date November 2023
Source Gangnam Severance Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

This study aims to investigate the significance of minimal residual axillary disease following NAC, with a particular focus on micrometastases (ypNmi), in comparison to pathologic lymph node-negative (ypN0) or macrometastases (ypN+). The investigators will further explore the prognostic implications of SLNmi for the prediction of axillary LN status and survival outcomes.


Description:

This study aims to investigate the significance of minimal residual axillary disease following NAC, with a particular focus on micrometastases (ypNmi), in comparison to pathologic lymph node-negative (ypN0) or macrometastases (ypN+). The investigators will further explore the prognostic implications of SLNmi for the prediction of axillary LN status and survival outcomes.


Recruitment information / eligibility

Status Completed
Enrollment 978
Est. completion date February 28, 2018
Est. primary completion date February 28, 2018
Accepts healthy volunteers No
Gender Female
Age group 18 Years to 80 Years
Eligibility Inclusion Criteria: - Stage II or III primary breast cancer patients - Patients who performed neoadjuvant chemotherpay - Patients who underwent axillary lymph node dissection with or without sentinel lymph node biopsy Exclusion Criteria: - Patients who performed upfront surgery - De novo stage IV patients

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
Sentinel lymph node biopsy, axillary lymph node dissection
SLNB was performed using single or dual tracers. For the single tracer technique, Technetium 99, a radioactive substance, was administered periareolarly prior to surgery, and SLNs were identified intraoperatively via a gamma detection system (Neoprobe®). The dual tracer method employed both an isosulfan blue dye and Technetium 99 concurrently. The choice of SLNB technique was contingent upon the surgeon's discretion. SLNs were categorized as one or multiple, and any LN identified by either or both methods was defined as SLN. LNs resected during SLNB without tracer signal were not classified as SLNs. ALND was characterized by the removal of all LNs in axillary levels I and II. Patients documented to have undergone ALND in surgical records were primarily selected from our registry. Among them, those with fewer than 10 LNs were excluded, based on the assumption that a competent ALND necessitated the removal of 10 or more LNs as defined in previous studies

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Gangnam Severance Hospital

Outcome

Type Measure Description Time frame Safety issue
Primary Recurrence-free survival locoregional recurrence, distant metastasis, any cause of death the interval from breast cancer diagnosis to the initial recurrence or death upto 5 years
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