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Clinical Trial Summary

This study is a multicenter, randomized, phase 3 clinical trial in patients with breast cancer, randomizing radiotherapy group (postmastectomy radiation therapy (PMRT)/whole breast irradiation plus regional radiotherapy (WBI+regional RT) versus and no PMRT/WBI alone group. This is a non-inferiority study aiming that there is no significant difference in the 7-year disease-free survival rate between the two groups.


Clinical Trial Description

1:1 randomization to the control group and experimental group, stratified by the type of surgery (breast-conserving surgery (BCS) versus mastectomy) and the type of histologic type (triple negative breast cancer (TNBC) versus non-TNBC) The control group: - If patients received BCS, WBI+Regional RT - If patients received mastectomy, PMRT The experimental group: - If patients received breast conserving surgery, WBI alone - If patients received mastectomy, No PMRT ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05440149
Study type Interventional
Source Seoul National University Hospital
Contact Kyung Hwan Shin, MD. PhD.
Phone +82-2-2072-2524
Email radiat@snu.ac.kr, shinkh@snuh.org
Status Recruiting
Phase Phase 3
Start date August 1, 2022
Completion date December 31, 2033

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