Overview Efficacy and Safety of IPI-504 With Trastuzumab Pretreated, Locally Advanced or Metastatic HER2 Positive Breast Cancer Status: Terminated Trial end date: 2011-05-01 Target enrollment: Participant gender: Summary The purpose of this study is to see if IPI-504 in combination with trastuzamab is an effective treatment in HER2 positive metastatic breast cancer Phase: Phase 2 Details Lead Sponsor: Infinity Pharmaceuticals, Inc.Treatments: Trastuzumab