Study of Changes in Estrogen Levels and Grip Strength in Postmenopausal Women Who Have Received 4 to 6 Years of Hormone Therapy for Breast Cancer and Are Currently Receiving Letrozole on Clinical Trial IBCSG-35-07
Status: COMPLETED
Study type: OBSERVATIONAL
Conditions: Breast Cancer
Interventions: GENETIC: polymorphism analysis|OTHER: laboratory biomarker analysis|PROCEDURE: quality-of-life assessment
Sponsor: ETOP IBCSG Partners Foundation