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Randomized study of tamoxifen versus goserelin acetate vs combination as preoperative endocrine therapy for estrogen receptor positive pre-menopausal patients.

Randomized study of tamoxifen versus goserelin acetate vs combination as preoperative endocrine therapy for estrogen receptor positive pre-menopausal patients. - Randomized study of tamoxifen versus goserelin acetate versus combination as preoperative endocrine therapy.

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000006286
Enrollment
220
Registered
2011-09-05
Start date
2011-09-01
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Estrogen receptor positive, pre-menopausal breast cancer

Interventions

Group A: tamoxifen Administration of 20mg tamoxifen daily for 8 weeks (day1-56) Group B: goserelin acetate Subcutaneous injection of goserelin acetate each 4 weeks for 8 weeks (day 1,28) Group

Sponsors

Yokohama City University Medical Center
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1) Invasive breast cancer in pathological examination 2) 30 to 55 years old women who was comformed menstruation in recent 3 months 3) T1-2,N0,M0 in TNM classification 4) No previous chemotherapy, radiation, endocrine therapy, immunotherapy 5) Existance of measurable lesion 6)ER and/or PgR positive(IHC >10%) 7)HER2 negative 8)Performance Status 0-1 9)Sustained major organ funcrion WBC >= 3,000/mm3,<=12,000/mm3 Netrophil >= 2,000/mm3 PLT >= 10x10 4/mm3 Hb >= 8.0 g/dl AST(GOT),ALT(GPT)<=facility standard value x 1.5 T.Bili <=facility standard value x 1.25 Cre <= facility standard value x 1.5 Normal in electrocardiogram 10)Written informe consent

Exclusion criteria

Exclusion criteria: 1) hypersensitivity to test drug 2) serious complication (malignant hypertention, congestive heart failure, coronary failure, cardiac infarction in last 6 month, arhythmia which need treatment, infection disease, bleeding tendency, etc.) 3) Patients who administrate anticlotting drug or SSRI 4)Patinent who have double cancer 5)Ductal carcinoma in situ or inflamatory breast cancer 6) Bilateral breast cancer, male breast cancer 7) Pregnant women, breat-feeding mother, possibility of pregnancy 8) History of thrombosis 9) History of mental disease or under medical treatment. 10)Patient regarded as inadequate by responsible doctor

Design outcomes

Primary

MeasureTime frame
Suppression of Ki-67

Secondary

MeasureTime frame
Safety Response rate Histopathological response Predictive factor Relapse-free survival

Countries

Japan

Contacts

Public ContactDaisuke Shimizu

Yokohama City Minato Red Cross Hospital Breast Surgery

d-shimizu.surg@yokohama.jrc.or.jp045-628-6100

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026