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The screening and chemoprevention of breast cancer high risk population in China

Toremifene for chemoprevention of breast cancer high risk population in China

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2000037420
Enrollment
Unknown
Registered
2020-08-28
Start date
2020-10-01
Completion date
Unknown
Last updated
2020-10-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

breast cancer

Interventions

toromiphene:Toremifene, once daily, 30mg, oral
Control group:Placebo

Sponsors

Huashan Hospital, Fudan University
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: Women aged 35-70 years with a life expectancy of more than 10 years, not pregnant or lactating and meet one of the following conditions: 1. The first-degree family history of breast cancer, and developed at <=50 years of age; 2. The first-degree family history of breast cancer was bilateral breast cancer; 3. More than two patients with first or second-degree breast cancer family history; 4. The first-degree family history of breast cancer and nulliparous(or first birth at =30 years of age); 5. The patients had a family history of breast cancer and had a history of breast hyperplasia; 6. The age of menopause was 55 years old or above; 7. BRCA1 / 2 gene mutation; 8. ER positive ductal carcinoma in situ and treated by mastectomy; 9. Lobular carcinoma in situ; 10. Atypical hyperplasia of breast.

Exclusion criteria

Exclusion criteria: 1. Have used selective hormone receptor modulators (tamoxifen, toremifene, raloxifene, etc.) or aromatase inhibitors (letrozole, anastrozole, exemestane, etc.); 2. Previous history of malignant tumor (except ductal carcinoma in situ and lobular carcinoma in situ); 3. History of thrombotic diseases; 4. The endometrial thickness of premenopausal women was more than 8 mm; 5. Liver function and renal function were abnormal; 6. Abnormal cardiac function; 7. Participated in clinical trials of other drugs within 6 months; 8. Had received hormone replacement therapy within 6 months before the test; 9. Dyslipidemia.

Design outcomes

Primary

MeasureTime frame
Incidence rate of breast cancer and precancerous lesions;

Secondary

MeasureTime frame
incidence rate of estrogen receptor-positive breast cancer;

Countries

China

Contacts

Public ContactWei Zhang

Huashan Hospital, Fudan University

zhwshmu@163.com+86 13482366725

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026