Extension Study of Lapatinib Plus Herceptin With or Without Endocrine Therapy
Status: ACTIVE_NOT_RECRUITING
Study type: INTERVENTIONAL
Conditions: Breast Cancer
Interventions: DRUG: Lapatinib|DRUG: Letrozole|DRUG: Trastuzumab
Sponsor: Baylor Breast Care Center
Collaborators: Translational Breast Cancer Research Consortium|GlaxoSmithKline