Premenopausal Breast Cancer Clinical Trial
Official title:
Comparative Evaluation of Efficacy and Safety of Toremifene, Tamoxifen, and Aromatase Inhibitor Plus Ovarian Suppression in Hormone Receptor-Positive Early Breast Cancer Among Non-Low-Risk Premenopausal Women: A Real-World Study
This study aims to enroll premenopausal patients, with early breast cancer who are non-low-risk and hormone receptor-positive and have undergone prior surgical intervention at the Breast Cancer Center of Sun Yat-sen Memorial Hospital, Sun Yat-sen University. These participants, receiving tamoxifen (TAM), toremifene (TOR), or aromatase inhibitors (AI) as adjuvant endocrine therapy and undergoing ovarian function suppression (OFS) treatment, will be divided into three groups, namely TOR+OFS, TAM+OFS, AI+OFS. The study will compare the efficacy and safety of TOR+OFS to that of TAM+OFS or AI+OFS in premenopausal estrogen receptor-positive breast cancer patients by comparing the 5-year disease-free survival (DFS) and quality of life etc. The objective is to evaluate whether TOR+OFS is non-inferior to TAM+OFS or AI+OFS in this specific patient population.
Status | Not yet recruiting |
Enrollment | 700 |
Est. completion date | December 30, 2023 |
Est. primary completion date | June 30, 2023 |
Accepts healthy volunteers | No |
Gender | Female |
Age group | 18 Years to 60 Years |
Eligibility | Inclusion Criteria: 1. Female, aged 18-60 2. Premenopausal patients with early hormone receptor-positive breast cancer at intermediate to high risk (Low risk is defined as having the following 6 items at the same time: lesion size (pT) in the specimen <= 2cm; histological grade 1; no vessel carcinoma embolus; ER and/or PR positive; HER2 gene without overexpression or amplification; age >=35 years old) 3. Completed radical surgery for breast cancer 4. Undergoing postoperative endocrine therapy (toremifene, tamoxifen, aromatase inhibitorI) at least five years at Sun Yat-sen Memorial Hospital of Sun Yat-sen University since 2010 5. Undergoing ovarian function suppression (Oophorectomy, Ovarian irradiation, Gonadotropin-releasing hormone agonist) Exclusion Criteria: 1. Imaging or pathology suggestive of metastatic breast cancer (chest wall, lung, bone, liver, brain) 2. Patients with a second primary tumor 3. Hepatic insufficiency at baseline 4. Known history of psychotropic substance abuse or drug abuse; |
Country | Name | City | State |
---|---|---|---|
China | Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University | Guangzhou | Guangdong |
Lead Sponsor | Collaborator |
---|---|
Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University |
China,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | disease free survival | The time from the beginning of treatment to the recurrence of the disease or death from any cause or the end of the visit | 5 years | |
Primary | The score of life quality questionnaire assessed by SPF 36 | The score of SPF 36 | 1 month | |
Primary | The score of life quality questionnaire assessed by EQ-5D-5L | The score of EQ-5D-5L | 1 month | |
Secondary | The incidence of adverse events | Incidence of adverse outcome events (such as musculoskeletal symptoms,osteoporosis, fragile, bone mineral density loss, hepatic insufficiency, dyslipidemia, endometrial hyperplasia, uterine fibroids, ovarian cyst, adenomyosis, hot flashes, night sweats etc.) | 5 years |
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