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Investigation of the clinical effects of combination therapy using LH-RH analogue + Anastrozole on patients with hormone receptor positive, premenopausal advanced/recurrent breast cancer resistant to combination therapy using LH-RH analogue + Tamoxifen

Investigation of the clinical effects of combination therapy using LH-RH analogue + Anastrozole on patients with hormone receptor positive, premenopausal advanced/recurrent breast cancer resistant to combination therapy using LH-RH analogue + Tamoxifen - JMTO BC08-01

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000001217
Enrollment
35
Registered
2008-06-29
Start date
2008-09-01
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

Premenopausal breast cancer

Interventions

Goserelin acetate 3.6mg depot/ q 4w + Anastrozole 1mg/d

Sponsors

The Japan-Multinational Trial Organization
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: Patients fulfilling the following criteria 1.Premenopausal women at least 20 years old and no more than 55 years old [at time of registration] 2.Patients in whom metastatic or recurrent breast cancer has been confirmed 3.Patients with a measurable lesion [RECIST handling] or assessable bone lesion 4.Patients who have shown resistance to combination therapy with LH-RHa + TAM in prior treatment Patients falling under any of 1 to 4 below 1 Recurrence during postoperative therapy using LH-RHa + TAM 2 Recurrence within 1 year following the completion of postoperative therapy lasting 2 years or more using LH-RHa + TAM 3 Recurrence during postoperative TAM monotherapy in continuation of postoperative therapy lasting 2 years or more using LH-RHa + TAM or recurrence within 1 year following the completion of TAM monotherapy 4 Patients whose symptoms have worsened under combination therapy using LH-RHa + TAM for advanced/recurrent breast cancer 5.ER or PgR positive patients [positive ratio of 10% or more using IHC method] 6.PS 0-1 patients [ECOG Performance Status classification] 7.Among patients being administered a bisphosphonate, patients who have a measurable non-bone lesion in which anticancer effects can be followed up 8.Patients with no serious complications who fulfill the following criteria in clinical laboratory tests WBC at least 4,000/microL and no more than 10,000/microL PLT at least 100,000 /microL Hb at least 10g/dL T.Bil. no more than 1mg/dL AST no more than 60 IU/L ALT no more than 60 IU/L 9.Informed consent must have been obtained from the patient in writing in regard to participation in the trial

Exclusion criteria

Exclusion criteria: Patients falling under any of the following 1.Patients with a history of drug allergy against the test drug and co-administered drug 2.Patients administered another anticancer drug since the prior treatment [LH-RHa + TAM therapy or LH-RHa + TAM followed by TAM therapy] 3.Patients receiving ongoing systemic administration [orally or intravenously] of an adrenal cortex hormone 4.Patients with advanced cancer in another organ less than 5 years after the completion of treatment 5.Patients with a history of thrombotic disease such as deep vein thrombosis or cerebral infarction 6.Patients with a history of severe heart disease such as myocardial infarction, valvular heart disease or heart failure 7.Patients receiving administration of HRT for treatment of menopausal symptoms within 4 weeks of registration 8.Women who are pregnant, lactating or may be [intend to be] pregnant 9.Patients planning treatment with an anticancer drug other than LH-RHa + Anastrozole, a bisphosphonate or radiation therapy on a target lesion following the start of this trial 10.Other cases who the doctor responsible for the trial judges unsuitable

Design outcomes

Primary

MeasureTime frame
Clinical response rate

Secondary

MeasureTime frame
1.Progression free survival 2.Overall survival 3.Clinical benefit rate 4.Adverse events

Countries

Japan

Outcome results

None listed

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