NCT00238316 Letrozole in Preventing Breast Cancer in Postmenopausal Women Who Are at Increased Risk for Breast Cancer Due to High Breast Density Status COMPLETED Phase PHASE2
NCT00237224 Open Label Study of Postmenopausal Women With ER and /or PgR Positive Breast Cancer Treated With Letrozole Status COMPLETED Phase PHASE4
NCT00237211 Study of High-dose Letrozole Therapy in Postmenopausal Patients With Breast Cancer Status COMPLETED Phase PHASE2
NCT00237198 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 Phase PHASE2
NCT00237133 Treatment of Locally Advanced Breast Cancer With Letrozole in Postmenopausal Women Status COMPLETED Phase PHASE4
NCT00199134 FRAGRANCE Part A Safety: Study to Find a Genetic Signature of de Novo Resistance to Letrozole Status COMPLETED Phase PHASE2
NCT00194779 Combination Chemotherapy and Filgrastim Before Surgery in Treating Patients With HER2-Positive Breast Cancer That Can Be Removed By Surgery Status COMPLETED Phase PHASE2
NCT00171847 Study of the Efficacy and Safety of Letrozole Combined With Trastuzumab in Patients With Metastatic Breast Cancer Status TERMINATED Phase PHASE4
NCT00171808 Letrozole in the Treatment of Advanced or Recurrent Hormone Receptor Positive Endometrial Cancer Status COMPLETED Phase PHASE2
NCT00171704 A Study to Evaluate the Effect of Letrozole and Tamoxifen on Bone and Lipids in Postmenopausal Women With Breast Cancer Status COMPLETED Phase PHASE3
NCT00171340 Zoledronic Acid in the Prevention of Cancer Treatment Related Bone Loss in Postmenopausal Women Receiving Letrozole for Breast Cancer. Status COMPLETED Phase PHASE3
NCT00171314 The Use of Zoledronic Acid to Prevent Cancer-treatment Bone Loss in Post-menopausal Women Receiving Adjuvant Letrozole for Breast Cancer Status COMPLETED Phase PHASE3
NCT00134680 Letrozole, Herceptin in Her2neu +, Estrogen Receptor [ER] and/or Progesterone Receptor [PR] Positive, MBC Status COMPLETED Phase PHASE2
NCT00114270 Letrozole With or Without Zoledronate in Treating Healthy Postmenopausal Women With High Breast Density Status COMPLETED Phase NA
NCT00107263 Zoledronate in Preventing Bone Loss in Postmenopausal Women Who Are Receiving Letrozole for Stage I, Stage II, or Stage IIIA Breast Cancer Status COMPLETED Phase PHASE3
NCT00101062 Letrozole and Celecoxib in Treating Postmenopausal Women With Locally Advanced or Metastatic Breast Cancer Status TERMINATED Phase PHASE2
NCT00097344 The CAT Study: Atamestane Plus Toremifene Versus Letrozole in Advanced Breast Cancer Status TERMINATED Phase PHASE3
NCT00090857 Letrozole in Preventing Breast Cancer in Postmenopausal Women Status COMPLETED Phase PHASE2
NCT00084396 Neoadjuvant Letrozole in Treating Postmenopausal Women With Estrogen-Receptor Positive and/or Progesterone-Receptor Positive Stage II, Stage IIIA, or Stage IIIB Breast Cancer Status COMPLETED Phase PHASE2
NCT00073528 Study Comparing Lapatinib (GW572016) And Letrozole Versus Letrozole In Subjects With Advanced Or Metastatic Breast Cancer Status COMPLETED Phase PHASE3