Study of Safety and Efficacy of Letrozole Monotherapy as Second-line Endocrine Therapy in Postmenopausal Patients With Advanced Breast Cancer Who Received Previous Anti-estrogen Treatment
Status: COMPLETED
Study type: INTERVENTIONAL
Conditions: Postmenopausal Women With Advanced Breast Cancer
Interventions: DRUG: Letrozole
Sponsor: Novartis Pharmaceuticals
Collaborators: Chugai Pharmaceutical