Overview Neoadjuvant GW572016 to Treat Breast Cancer Status: Completed Trial end date: 2012-02-01 Target enrollment: Participant gender: Summary We want to learn whether GW572016 is effective in breast cancers that have HER2. Phase: Phase 2 Details Lead Sponsor: Baylor Breast Care CenterCollaborator: GlaxoSmithKlineTreatments: Lapatinib