Overview MM-111 in Combination With Herceptin in Patients With Advanced Her2 Amplified, Heregulin Positive Breast Cancer Status: Completed Trial end date: 2013-07-01 Target enrollment: Participant gender: Summary This is an open-label Phase 1 trial of MM-111 in combination with Herceptin. Phase: Phase 1 Details Lead Sponsor: Merrimack PharmaceuticalsTreatments: Trastuzumab