Overview A Study of Vantictumab (OMP-18R5) in Combination With Paclitaxel in Locally Recurrent or Metastatic Breast Cancer Status: Completed Trial end date: 2017-12-01 Target enrollment: Participant gender: Summary This is an open-label Phase 1b dose-escalation study to assess the safety, tolerability, and PK of vantictumab when combined with paclitaxel. Phase: Phase 1 Details Lead Sponsor: OncoMed Pharmaceuticals, Inc.Treatments: Albumin-Bound PaclitaxelPaclitaxel