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Evaluation of Effects of Postoperative Adjuvant Therapy with Anastrozole on Bone in Postmenopausal Women with Breast Cancer

Evaluation of Effects of Postoperative Adjuvant Therapy with Anastrozole on Bone in Postmenopausal Women with Breast Cancer - Evaluation of Effects of Postoperative Adjuvant Therapy with Anastrozole on Bone in Postmenopausal Women with Breast Cancer (SAFE program: Saitama Anastrozole related Fracture Evaluation program)

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000000514
Enrollment
350
Registered
2006-11-06
Start date
2006-02-01
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

Hormone-responsive postmenopausal breast cancer

Interventions

All study subjects in the adjuvant therapy setting are administrated Anastrozole 1mg/day p.o. for 5years. Bisphosphonate is prescribed to the subjects who has the low BMD score (&lt
=70%).

Sponsors

Saitama Breast Cancer Clinical Study Group (SBCCSG)
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1. Primary breast cancer in TNM tumor stage I,II or IIIA 2. Patients who underwent mastectomy or breast conserving surgery 3. Postmenopausal women who meet any of the following criteria No menstruation for more than one year, or 60 years or over, Postmenopausal levels of follicle-stimulating hormone (FSH) and estradiol (E2), or Bilateral ovariectomy 4. ER and/or PgR-positive primary tumor 5. Adequate renal, hepatic and cardiac function 6. Performance status (PS), (ECOG):0-1 7. Written informed consent was obtained from a patient

Exclusion criteria

Exclusion criteria: 1. Active multiple cancer (simultaneous multiple cancer, and multi-organ invasive cancer with less than 5years of event-free survival) 2. Non-invasive cancer, inflammatory breast cancer 3. Patients with history of osteoporosis or BMD is osteoporosis level (less than 70% of young adult mean (YAM)) 4. Patients being treated with bisphosphonate drugs or other osteoporotic drugs 5. Patients diagnosed as having a history of spinal fracure in X-ray or other imagin tests 6. Serious complications (hepatic, renal, cardiac, and endocrine diseases, etc.) 7. Patients with a history of hypersensitivity to any of the ingredients of the study drug 8. Patients judged to be ineligible for participating in the study by investigators

Design outcomes

Primary

MeasureTime frame
Incidence of bone fracture

Secondary

MeasureTime frame
1. Incidence of bone fracture in anastrozole therapy combined with alendronate sodium hydrate 2. BMD change in anastrozole alone 3. Body Mass Index (BMI) 4. Safety

Countries

Japan

Contacts

Public ContactToshihiro Kai

Saitama Breast Cancer Clinical Study Group; SBCCSG in Omiya Kyoritsu Hospital Surgery

toshikai@sbccsg.org048-686-7155

Outcome results

None listed

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