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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03606616
Other study ID # ACOSOGZ0011CH
Secondary ID
Status Completed
Phase
First received
Last updated
Start date November 1, 2014
Est. completion date November 30, 2019

Study information

Verified date October 2022
Source Peking University People's Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Observational [Patient Registry]

Clinical Trial Summary

In patients undergoing breast-conserving surgery and having positive sentinel lymph nodes (SLNs), the ACOSOG Z0011 trial showed equivalent overall survival(OS) and disease-free survival(DFS) outcomes for patients receiving SLN dissection (SLND) alone and those receiving axillary lymph node dissection (ALND). We conducted a prospective single-arm study to confirm the applicability of the Z0011 criteria to Chinese patients with breast cancer.


Description:

The American College of Surgeons Oncology Group (ACOSOG) Z0011 trial demonstrated that in clinically node-negative women with T1 or T2 invasive breast cancer, who underwent breast-conserving surgery (BCT) with whole breast irradiation (WBRT), had excellent local control and survival with SLND alone, even if metastases were found in 1 or 2 SLNs. Recently, the long-term follow-up data of the Z0011 study were reported, which demonstrated that the 10-year OS for patients receiving SLND alone was not inferior to that for those receiving ALND. This breakthrough result of the Z0011 study led to a change in clinical practice regarding the standard management of axillary lymph nodes in patients with breast cancer. However, these validation data have been generated in Western populations. As the socio-economic profile, life style and culture of Asian are substantially different from those of Western, and genetic backgrounds vary to some extent, it remains unclear whether results similar to those of the Z0011 study could be achieved in a Chinese breast cancer population. In the present study, we prospectively applied the Z0011 eligibility criteria to Chinese patients with clinically node-negative breast cancer undergoing BCT, with planned RT. The purpose of this study is the clinicopathological relevance of the Z0011 findings for Chinese patients with breast cancer, and to verify the feasibility of using the Z0011 criteria to avoid ALND after positive SLN findings. This is a prospective single-arm study, enrolled patients meeting Z0011 inclusion criteria and providing consent to receive no additional ALND. Overall survival is the primary end point, disease-free survival and occurrence of surgical morbidities a secondary end point.


Recruitment information / eligibility

Status Completed
Enrollment 142
Est. completion date November 30, 2019
Est. primary completion date November 30, 2019
Accepts healthy volunteers No
Gender Female
Age group 18 Years and older
Eligibility Inclusion Criteria: - histologically confirmed invasive breast cancer T1 or T2 tumor 1 or 2 positive sentinel lymph nodes breast-conserving surgery whole-breast RT planned Exclusion Criteria: - preoperative therapy 3 or more positive sentinel lymph nodes patients undergoing additional mastectomy due to positive surgical margins

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
no further ALND arm
Patients meeting the Z0011 inclusion criteria to receive no additional ALND

Locations

Country Name City State
China Peking university people's hospital Beijing Bei Jing

Sponsors (1)

Lead Sponsor Collaborator
Peking University People's Hospital

Country where clinical trial is conducted

China, 

References & Publications (1)

Peng Y, Liu M, Li X, Tong F, Cao Y, Liu P, Zhou B, Liu H, Cheng L, Guo J, Xie F, Yang H, Wang S, Wang C, Chen Y, Wang S. Application of the ACOSOG Z0011 criteria to Chinese patients with breast cancer: a prospective study. World J Surg Oncol. 2021 Apr 20; — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary overall survival the time from surgery until death from any cause 5 years
Secondary disease-free survival the time from surgery to death or first documented recurrence of breast cancer 5 years
Secondary occurrence of surgical morbidities edema,limited activity or pain on surgical side upper limb 5 years
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