Lapatinib in Treating Patients With Advanced or Metastatic Breast Cancer That Overexpresses HER2
Status: COMPLETED
Study type: INTERVENTIONAL
Conditions: Breast Cancer|Metastatic Cancer
Interventions: DRUG: lapatinib ditosylate|GENETIC: gene expression analysis|OTHER: diagnostic laboratory biomarker analysis
Sponsor: University of California, San Francisco
Collaborators: National Cancer Institute (NCI)