In premenopausal women, endocrine adjuvant therapy for breast cancer primarily consists of tamoxifen alone or with ovarian suppressive strategies. Toremifene is a chlorinated derivative of tamoxifen, but with a superior risk-benefit profile. In this trial, we sought to compare the efficacy and tolerability of toremifene and tamoxifen therapy in premenopausal patients with operable,estrogen and/or progesterone receptor positive breast cancer patients.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
3,036
Breast cancer center of Sun Yat-sen Memorial Hospital
Guangzhou, Guangdong, China
RECRUITINGsurvival outcomes: disease free survival
Time frame: up to 5 years
5-year overall survival
Time frame: up to 5 years
side effects effects of therapies
the primary safety measures are Hepatic function and blood lipid
Time frame: Follow-up period,up to 5 years
Incidence of adverse events
Adverse events including hot flashes, irregular menses and others.
Time frame: follow-up period, up to 5 years
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