4,200
Participants
Start Date
September 1, 2022
Primary Completion Date
August 1, 2023
Study Completion Date
August 1, 2026
SEMA4C high value follow-up group
Serum samples will be collected every 3 months for the first year after surgery and then every 6 months to first progression defined as death or recurrence of the breast cancer or until 5 years since last patient in, whichever occurs first. Imaging examination and biopsy or surgery if necessary are recommended for patients with elevated SEMA4C. Serum SEMA4C levels will be tested in single center in order to decrease bias and be measured using a double antibody sandwich ELISA method using in-house SEMA4C detection kits.
SEMA4C low value follow-up group
Serum samples will be collected every 3 months for the first year after surgery and then every 6 months to first progression defined as death or recurrence of the breast cancer or until 5 years since last patient in, whichever occurs first. Imaging examination and biopsy or surgery if necessary are recommended for patients with elevated SEMA4C. Serum SEMA4C levels will be tested in single center in order to decrease bias and be measured using a double antibody sandwich ELISA method using in-house SEMA4C detection kits.
Hubei Cancer Hospital
OTHER
Qilu Hospital of Shandong University
OTHER
Wuhan Central Hospital
OTHER
Xiangyang Central Hospital
OTHER
The First People's Hospital of Jingzhou
OTHER
The First Affiliated Hospital with Nanjing Medical University
OTHER
Tongji Hospital
OTHER