Expired Study
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Tampa, Florida 33612


RATIONALE: Estrogen can stimulate the growth of breast cancer cells. Hormone therapy using ERA-923 may fight breast cancer by blocking the uptake of estrogen by the tumor cells. PURPOSE: Randomized phase II trial to study the effectiveness of ERA-923 in treating postmenopausal women who have metastatic breast cancer that no longer responds to tamoxifen.

Study summary:

OBJECTIVES: I. Compare the efficacy of 2 dose levels of ERA-923 in postmenopausal patients with metastatic breast cancer refractory to tamoxifen. II. Determine the safety and plasma levels of this drug in these patients. III. Determine the impact on quality of life of these patients by this drug. OUTLINE: This is a randomized, double blind, multicenter study. Patients are randomized to one of two treatment arms receiving different doses of ERA-923. Patients receive oral ERA-923 daily for 48 weeks in the absence of disease progression or unacceptable toxicity. Quality of life is assessed at baseline; at weeks 4, 8, 16, 24, 32, 40, and 48; and then at 4 weeks after last dose. Patients are followed at 4 weeks and then every 3 months thereafter. PROJECTED ACCRUAL: At total of 36-100 patients (18-50 per arm) will be accrued for this study within 1 year.


DISEASE CHARACTERISTICS: Diagnosis of metastatic breast cancer Prior tamoxifen therapy failure within 1 year of study defined as follows: Prior tamoxifen therapy for metastatic disease with prior response and progression of disease while still on treatment or within 1 year of last treatment Prior adjuvant tamoxifen therapy for a minimum of 2 years with subsequent progression of disease while still on treatment or within 1 year of last treatment Postmenopausal Must be amenorrheic for at least 12 months Removal of both ovaries or chemotherapy induced menopause allowed At least 1 bideminsionally measurable lesion No disease restricted only to bone No symptomatic CNS metastases untreated by surgery or radiotherapy Hormone receptor status: Estrogen or progesterone receptor positive PATIENT CHARACTERISTICS: Age: Not specified Menopausal status: Postmenopausal Performance status: ECOG 0-2 Life expectancy: At least 6 months Hematopoietic: Absolute neutrophil count at least 1,500/mm3 Platelet count at least 100,000/mm3 Hemoglobin greater than 9.0 g/dL Hepatic: Bilirubin no greater than 1.5 times upper limit of normal (ULN) AST no greater than 3 times ULN (no greater than 5 times ULN if liver metastases present) PT and PTT no greater than 1.25 times ULN Renal: Creatinine no greater than 1.5 times ULN Cardiovascular: No deep vein thrombosis, retinal vein thrombosis, or stroke within past year No unstable angina or myocardial infarction within past 6 months Pulmonary: No pulmonary embolism within past year Other: Not pregnant or nursing No other major illness or condition that would preclude study PRIOR CONCURRENT THERAPY: Biologic therapy: No concurrent trastuzumab (Herceptin) Chemotherapy: No more than 2 prior chemotherapy regimens, including trastuzumab One regimen in adjuvant setting and one in metastatic setting OR Two regimens in metastatic setting No concurrent chemotherapy Endocrine therapy: See Disease Characteristics At least 6 months since prior raloxifene for osteoporosis No prior hormonal, antiestrogen, or aromatase inhibitors other than tamoxifen for breast cancer At least 4 weeks since prior tamoxifen No concurrent hormonal replacement therapy, other antiestrogens (including raloxifene), aromatase inhibitors, or systemic steroids (except physiologic replacement doses) Radiotherapy: See Disease Characteristics Surgery: See Disease Characteristics Other: At least 4 weeks since prior investigational drug No concurrent warfarin exept low dose warfarin for port maintenance No other concurrent investigational agent No concurrent immunosuppressive therapy



Primary Contact:

Study Chair
Susan Minton, DO
H. Lee Moffitt Cancer Center and Research Institute

Backup Contact:


Location Contact:

Tampa, Florida 33612
United States

There is no listed contact information for this specific location.

Site Status: N/A

Data Source: ClinicalTrials.gov

Date Processed: October 09, 2019

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