Breast Cancer
Conditions
Brief summary
The purpose of this study is to determine if BMS-690514 + letrozole will be more effective than lapatinib + letrozole in patients who have metastatic hormone receptor positive breast cancer after developing progressive disease immediately following adjuvant antiendocrine therapy
Interventions
Tablets, Oral, 200 mg, once daily, \ 12 months depending on response
Tablets, Oral, 1500 mg, once daily, \ 12 months depending on response
Tablets, Oral, 2.5 mg, once daily, \ 12 months depending on response
Sponsors
Study design
Eligibility
Inclusion criteria
* Documented invasive breast cancer * Greater than 10% tumor cells positive for estrogen receptor and/or progesterone receptor * HER2+ and HER2- (Human Epidermal growth factor Receptor) disease * Rapid disease progression despite treatment with tamoxifen, anastrozole or exemestane * ECOG Performance status = 0 or 1
Exclusion criteria
* Prior hormonal therapy for metastatic disease * Prior hormonal therapy with letrozole for adjuvant disease * Symptomatic brain metastases * Prior treatment with any tyrosine kinase inhibitor
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Clinical Benefit Rate defined as percentage of subjects with a complete response, partial response, or stable disease for at least 6 months | Every 8 weeks according to CT scan |
Secondary
| Measure | Time frame |
|---|---|
| Progression Free Survival: defined as time to disease progression | Every 8 weeks |
| Objective Response Rate: defined as percentage of subjects with 'complete response' or 'partial response' | Every 8 weeks |
| Frequency and severity of adverse events in all subjects | Every 4 weeks |
Countries
Argentina, Mexico, Peru, United States