Exit Notice
You are about to leave ClinicalTrials.gov and go to: To obtain contact information for a study center near you, click here. URL: https://trialinfoemail.pfizer.com/pages/landing.aspx?StudyID=A5481003&StudyName=Study%20Of%20Letrozole%20With%20Or%20Without%20Palbociclib%20%28PD-0332991%29%20For%20The%20First-Line%20Treatment%20Of%20Hormone-Receptor%20Positive%20Advanced%20Breast%20Ca
Click on the link to continue or return to ClinicalTrials.gov Home