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Open labelled multicenter randomized comparative trial of high-dose toremifene for non-steroidal aromatase inhibitor resistant breast cancer compared to exemestane

Open labelled multicenter randomized comparative trial of high-dose toremifene for non-steroidal aromatase inhibitor resistant breast cancer compared to exemestane - Randomized comparative trial of high-dose toremifene for non-steroidal aromatase inhibitor resistant breast cancer compared to exemestane

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000001481
Enrollment
90
Registered
2008-11-05
Start date
2008-11-01
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

Advanced/recurrent breast cancer

Interventions

TOR: Toremifene (120mg) is orally administered once a day everyday. EXE: Exemestane (25mg) is orally administered once a day everyday.

Sponsors

Department of Breast and Endocrine Surgery Graduate School of Medical Sciences, Kumamoto University
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1. The case signed informed consent of the patients for the registration 2. The case confirmed by pathological diagnosis 3. postmenopausal women with breast cancer (not less than 30 year old) 4. The case who had progressive disease during or after the treatment of non-steroidal aromatase inhibitors 5. The case with measurable metastatic / recurrent site or evaluable bone metastasis 6. The case with ER positive and/or PgR positive 7. The case that survival more than six months is anticipated 8. The case with PS 0 or 1, additionally the case with PS 2 only by bone metastasis 9. The case with a satisfactory function of a heart/liver/kidney/bone marrow and to satisfy the next condition Hb: more than 8g/dl AST(GOT), ALT(GPT): Less than 2.5 times of the normal value upper limit of the institution

Exclusion criteria

Exclusion criteria: 1. The case with active other malignancies 2. The case with past history of drug allergy or hypersensitivity 3. The case during pregnancy or lactation 4. The case with severe progressive situation with non-indication for the hormone therapy 5. The case judged inappropriate by physicians

Design outcomes

Primary

MeasureTime frame
clinical benefit rate

Secondary

MeasureTime frame
response rate, time to progression, time to treatment failure, adverse events, presictive factor

Countries

Japan

Contacts

Public ContactAyako Okabe

Graduate School of Medical Sciences Department of Breast and Endocrine Surgery

bsokabe@kumamoto-u.ac.jp096-373-5521

Outcome results

None listed

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