Sermonix Pharmaceuticals Announces Initiation of Phase 3 ELAINE-3 Study of Lasofoxifene Plus Abemaciclib in Pre- and Post-Menopausal Patients with Locally Advanced or Metastatic ER+/HER2- Breast Cancer with an ESR1 Mutation as Detected by Guardant Health’s Guardant360 CDx Liquid Biopsy
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