NCT00351416 Letrozole Treatment in Normal and GnRH Deficient Women Status UNKNOWN Phase PHASE1/PHASE2
NCT00338728 Letrozole and Imatinib Mesylate in Treating Postmenopausal Participants With Estrogen or Progesterone Positive Metastatic Breast Cancer Status COMPLETED Phase PHASE2
NCT00333086 A Study of Letrozole in the Treatment of Endometrial Cancer Status COMPLETED Phase PHASE2
NCT00333047 Letrozole in Metastatic Breast Cancer in Combination With Chemotherapy Status COMPLETED Phase PHASE2/PHASE3
NCT00332852 Letrozole as Early Adjuvant Treatment of Postmenopausal Patients With Primary Breast Cancer Status COMPLETED Phase PHASE3
NCT00332709 Safety/Efficacy of Letrozole Monotherapy or in Combination With Zoledronic Acid as Extended Adjuvant Treatment of Postmenopausal Patients With Primary Breast Cancer Status COMPLETED Phase PHASE3
NCT00330317 Safety and Efficacy of Hormone Therapy With Letrozole in Postmenopausal Women With Breast Cancer Status COMPLETED Phase PHASE3
NCT00329940 Safety and Rheumatologic Tolerability of Letrozole in Postmenopausal Patients With Hormone Receptor Positive Breast Cancer Status COMPLETED Phase PHASE3
NCT00310180 Hormone Therapy With or Without Combination Chemotherapy in Treating Women Who Have Undergone Surgery for Node-Negative Breast Cancer (The TAILORx Trial) Status ACTIVE_NOT_RECRUITING Phase PHASE3
NCT00305825 Bevacizumab and Letrozole in Treating Postmenopausal Women With Locally Advanced or Metastatic Breast Cancer That Cannot Be Removed By Surgery Status COMPLETED Phase PHASE2
NCT00291135 Protocol for Women at Increased Risk of Developing Breast Cancer Status COMPLETED Phase PHASE2
NCT00290745 Tamoxifen or Letrozole in Treating Women With Ductal Carcinoma in Situ Status COMPLETED Phase PHASE1/PHASE2
NCT00280930 Letrozole in Postmenopausal Women at Increased Risk for Breast Cancer Status UNKNOWN Phase PHASE2
NCT00267553 Treatment and Survival Continuation Study of Atamestane Plus Toremifene vs Letrozole in Advanced Breast Cancer Status TERMINATED Phase PHASE3
NCT00265759 Exemestane, Letrozole, or Anastrozole in Treating Postmenopausal Women Who Are Undergoing Surgery for Stage II or Stage III Breast Cancer Status COMPLETED Phase PHASE3
NCT00263198 PTK and Letrozole in Post-menopausal Women With Advanced Breast Cancer Status TERMINATED Phase PHASE2
NCT00248170 Comparison Trial of Letrozole to Anastrozole in the Adjuvant Treatment of Postmenopausal Women With Hormone Receptor and Node Positive Breast Cancer Status COMPLETED Phase PHASE3
NCT00247663 Extension Study of 1.0mg Dose Letrozole Therapy in Postmenopausal Patients With Breast Cancer Status COMPLETED Phase PHASE2
NCT00241046 Letrozole in the Treatment of 1st and 2nd Line Hormone Receptor Positive Breast Cancer: Pre-therapeutic Risk Assessment Status TERMINATED Phase PHASE4
NCT00240942 Letrozole in the Treatment of Severe and Recurrent Endometriosis Status COMPLETED Phase PHASE2