A Study of AMG 479 with Exemestane or Fulvestrant in Postmenopausal Women with Hormone Receptor Positive Locally Advanced or Metastatic Breast Cancer
Study Details
This is a randomized, double-blind, placebo-controlled, phase 2 study. Subjects will include postmenopausal women with confirmed HR-positive, locally advanced or metastatic breast cancer, who have disease progression during or within 12 months after completing prior adjuvant endocrine therapy or during the first prior endocrine therapy for metastatic disease.
Protocol Summary
Progression free survival (PFS), as measured by Response Evaluation Criteria in Solid Tumors criteria (modified RECIST) per local review
Timeframe: Subject completing study will be contacted by the study staff by telephone or at routine clinic visits approximately every 3 months for up to 4 years after the last patient starts the study treatment for a max of 5 years and 3 months for any patient
Incidence of adverse events, abnormal laboratory values, and anti-AMG 479 antibody formation
Timeframe: Subject completing study will be contacted by the study staff by telephone or at routine clinic visits approximately every 3 months for up to 4 years after the last patient starts the study treatment for a max of 5 years and 3 months for any patient
PK parameters of AMG 479
Timeframe: Subject completing study will be contacted by the study staff by telephone or at routine clinic visits approximately every 3 months for up to 4 years after the last patient starts the study treatment for a max of 5 years and 3 months for any patient
Breast cancer related symptoms, health related quality of life, and skin toxicity burden
Timeframe: Subject completing study will be contacted by the study staff by telephone or at routine clinic visits approximately every 3 months for up to 4 years after the last patient starts the study treatment for a max of 5 years and 3 months for any patient
Clin benefit(complete/partial response,or stable disease≥24 wks per modified RECIST/local review),objective response rate(complete/partial response per modified RECIST/local review),duration of response,TTP,time-to-response,time-to-tx failure,survival
Timeframe: Subject completing study will be contacted by the study staff by telephone or at routine clinic visits approximately every 3 months for up to 4 years after the last patient starts the study treatment for a max of 5 years and 3 months for any patient