Clinical Trials Browser

NIH × Interventional × Letrozole × Clear all

NCT00310180 2026-05-26

TAILORx

Phase 3 Active not recruiting

10,273 enrolled 14 charts

Breast Neoplasms

NCT01272037 2026-05-26

Tamoxifen Citrate, Letrozole, Anastrozole, or Exemestane With or Without Chemotherapy in Treating Patients With Invasive RxPONDER Breast Cancer

Phase 3 Active not recruiting

5,018 enrolled 14 charts

Carcinoma, Intraductal, Noninfiltrating

NCT07391774 2026-05-13

Testing Whether Hormone Therapy With Ribociclib is as Effective as Chemotherapy Followed by Hormone Therapy With Ribociclib for the Treatment of High Anatomic Stage Breast Cancer With Low Recurrence Risk, The RxFINE-Low Trial

Phase 3 Not yet recruiting

Anatomic Stage II Breast Cancer AJCC v8

NCT02101788 2025-11-13

Trametinib in Treating Patients With Recurrent or Progressive Low-Grade Ovarian Cancer or Peritoneal Cavity Cancer

Phase 2/3 Completed

260 enrolled 20 charts

Cystadenocarcinoma, Serous

NCT00601900 2025-05-23

Tamoxifen Citrate or Letrozole With or Without Bevacizumab in Treating Women With Stage IIIB or Stage IV Breast Cancer

Phase 3 Completed

394 enrolled 11 charts

Breast Neoplasms

NCT01077453 2014-10-20

Letrozole in Preventing Breast Cancer in Healthy Postmenopausal Women at High Risk for Breast Cancer

Phase 1 Completed

Breast Carcinoma In Situ

NCT01208441 2013-09-30

RO4929097 and Letrozole in Treating Post-Menopausal Women With Hormone Receptor-Positive Stage II or Stage III Breast Cancer

Phase 1 Terminated

Breast Neoplasms

NCT00688194 2013-08-26

Fulvestrant With or Without Lapatinib and/or Aromatase Inhibitor Therapy in Treating Postmenopausal Women With Metastatic Breast Cancer That Progressed After Previous Aromatase Inhibitor Therapy

Phase 3 Unknown

Breast Neoplasms

NCT00963729 2013-08-12

Chemotherapy or Letrozole Before Surgery in Treating Postmenopausal Women With Breast Cancer That Can Be Removed By Surgery

Phase 3 Completed

Breast Neoplasms

NCT00114270 2013-03-26

Letrozole With or Without Zoledronate in Treating Healthy Postmenopausal Women With High Breast Density

Phase NA Completed

Breast Neoplasms, Osteoporosis

NCT00687648 2009-06-17

Cyclophosphamide, Methotrexate, and Prednisolone With or Without Aromatase Inhibitor Therapy in Treating Postmenopausal Women With Metastatic Breast Cancer

Phase 2 Unknown

Breast Neoplasms