- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05779982
SURPASS Retrospective Study
March 20, 2023 updated by: Sung Gwe Ahn, Gangnam Severance Hospital
Outcomes of Sentinel Node Biopsy According to MRI Response in an Association With the Subtypes in cN1-3 Breast Cancer After Neoadjuvant Systemic Therapy
This study aimed to determine whether sentinel lymph node biopsy (SLNB) could be a reliable option for evaluating nodal status in patients who had responded well to neoadjuvant systemic therapy (NAST), even if they had initially presented with a high nodal burden.
The study investigated the outcomes of SLNB followed by axillary lymph node dissection (ALND) in this patient population, taking into account the response to NAST and the breast cancer subtype.
Study Overview
Status
Completed
Intervention / Treatment
Detailed Description
To determine the feasibility of sentinel lymph node biopsy (SLNB) in this study, the investigators evaluated the false-negative rate (FNR) of SLNB.
The FNR was calculated as the number of patients with negative SLNs who had a residual disease in the rest of the axillary lymph nodes (ALNs) divided by the total number of patients with residual disease in either the SLNs, the rest of the ALNs, or both: FN/true-positive + FN.
The investigators compared the FNR of the SLNB according to the radiologic response measured using breast MRI in each subtype.
The investigators further evaluated the FNR in subgroups stratified by clinical nodal stage.
Additionally, the investigators assessed additional metastatic ALNs in cases with 1-2 metastatic SLNs through the completion of ALN dissection.
Study Type
Observational
Enrollment (Actual)
500
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
19 years to 90 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
Female
Sampling Method
Non-Probability Sample
Study Population
This study included patients diagnosed with breast cancer who received neoadjuvant systemic therapy (NAST) followed by curative surgery between January 2013 and December 2018.
All patients were cN1-3 breast cancer at initial presentation In addition, all patients underwent sentinely lymph node biopsy (SLNB) followed by axillary lymph node dissection.
Description
Inclusion Criteria:
- cN1-3 breast cancer at initial presentation
- received neoadjuvant systemic therapy (NAST)
- received sentinel lymph node biopsy (SLNB) followed by additional axillary lymph node dissection (ALND)
- breast MRI performed at baseline and post-NAST.
Exclusion Criteria:
- case with unavailable data for breast MRI and operation
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Multicenter retrospective cohort
This study included patients diagnosed with breast cancer who received neoadjuvant systemic therapy (NAST) followed by curative surgery between January 2013 and December 2018.
All patients were cN1-3 breast cancer at initial presentation confirmed by any imaging studies (either ultrasonography or MRI) or pathological examination using ultrasonography-guided needle biopsy of suspicious axillary lymph nodes.
The clinical nodal stage was determined based on findings from physical examination, with imaging studies such as ultrasonography or MRI taken into account, according to the American Join Committee on Cancer guidelines (7th edition).
In addition, all patients underwent sentinely lymph node biopsy (SLNB) followed by axillary lymph node dissection.
SLNB was performed using a radioactive marker, blue dye, or both (dual tracers).
|
This is a retrospective study to determine the feasibility of sentinel lymph node biopsy (SLNB) after neoadjuvant systemic therapy (NAST) according to response to NAST and breast cancer subtypes.
All patients received SLNB followed by axillary lymph node dissection after NAST.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
False negative rate of sentinel lymph node biopsy according to radiologic response stratified by brest cancer subtype
Time Frame: up to 1 month after the breast surgery
|
False negative rate of sentinel lymph node biopsy according to radiologic response stratified by brest cancer subtype
|
up to 1 month after the breast surgery
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
False negative rate of sentinel lymph node biopsy according to clinical nodal stage
Time Frame: up to 1 month after the breast surgery
|
False negative rate of sentinel lymph node biopsy according to clinical nodal stage
|
up to 1 month after the breast surgery
|
Additional axillary lymph node metastasis rate in patients with 1-2 metastatic sentinel lymph nodes
Time Frame: up to 1 month after the breast surgery
|
Additional axillary lymph node metastasis rate in patients with 1-2 metastatic sentinel lymph nodes
|
up to 1 month after the breast surgery
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
January 1, 2013
Primary Completion (Actual)
December 1, 2018
Study Completion (Actual)
February 1, 2023
Study Registration Dates
First Submitted
March 9, 2023
First Submitted That Met QC Criteria
March 20, 2023
First Posted (Actual)
March 22, 2023
Study Record Updates
Last Update Posted (Actual)
March 22, 2023
Last Update Submitted That Met QC Criteria
March 20, 2023
Last Verified
March 1, 2023
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 3-2022-0362
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
UNDECIDED
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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