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This study is designed to evaluate the efficacy and safety of GW572016 in patients with refractory breast cancer and consists of two cohorts of patients. Patients in Cohort A must have ErbB2 overexpressing tumors while patients in Cohort B must have non-ErbB2 overexpressing tumors. Patients eligible for this study must have advanced metastatic breast cancer who have previously received treatment with anthracycline and taxane.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| lapatinib 1500mg daily | Experimental | Subjects will self-administer lapatinib 1500 mg orally once daily. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Tykerb | Drug | lapatinib 1500mg daily |
|
| Measure | Description | Time Frame |
|---|---|---|
| To evaluate tumor response rate in both cohort A (ErbB2 overexpressors) and in cohort B (ErbB2 non-overexpressor) population when treated with GW572016 |
| Measure | Description | Time Frame |
|---|---|---|
| Clinical benefitTime to tumor responseLength of responseTime to progression of cancer4 and 6 month progression free survivalOverall survival as well as specific biomarkers in tumor tissue |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| GSK Clinical Trials | GlaxoSmithKline | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| GSK Investigational Site | Ehime | 791-0280 | Japan | |||
| GSK Investigational Site |
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| Label | URL |
|---|---|
| Results for study 100642 can be found on the GSK Clinical Study Register. | View source |
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| ID | Term |
|---|---|
| D001943 | Breast Neoplasms |
| ID | Term |
|---|---|
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
| D001941 | Breast Diseases |
| D012871 | Skin Diseases |
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| ID | Term |
|---|---|
| D000077341 | Lapatinib |
| ID | Term |
|---|---|
| D011799 | Quinazolines |
| D006574 | Heterocyclic Compounds, 2-Ring |
| D000072471 | Heterocyclic Compounds, Fused-Ring |
| D006571 | Heterocyclic Compounds |
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| Fukuoka |
| 802-0077 |
| Japan |
| GSK Investigational Site | Kanagawa | 241-0815 | Japan |
| GSK Investigational Site | Saitama | 350-1298 | Japan |
| GSK Investigational Site | Tochigi | 320-0834 | Japan |
| GSK Investigational Site | Tokyo | 104-0045 | Japan |
| GSK Investigational Site | Tokyo | 113-8677 | Japan |
| GSK Investigational Site | Tokyo | 135-8550 | Japan |
| GSK Investigational Site |
| D017437 |
| Skin and Connective Tissue Diseases |