NCT00310180 2026-03-18
TAILORx
National Cancer Institute (NCI)
Phase 3 Active not recruiting
Clinical Trials
27 trialsNCT01272037 2026-03-18
Tamoxifen Citrate, Letrozole, Anastrozole, or Exemestane With or Without Chemotherapy in Treating Patients With Invasive RxPONDER Breast Cancer
National Cancer Institute (NCI)
Phase 3 Active not recruiting
NCT01674140 2026-02-10
e3
SWOG Cancer Research Network
Phase 3 Active not recruiting
NCT02763566 2026-02-05
MONARCH plus
Eli Lilly and Company
Phase 3 Active not recruiting
NCT02246621 2026-02-03
MONARCH 3
Eli Lilly and Company
Phase 3 Active not recruiting
NCT02297438 2025-10-27
A Study Of Palbociclib (PD-0332991) + Letrozole VS. Placebo+ Letrozole For 1st Line Treatment Of Asian Postmenopausal Women With ER+/HER2- Advanced Breast Cancer [PALOMA-4]
Pfizer
Phase 3 Completed
NCT03778931 2025-09-15
EMERALD
Stemline Therapeutics, Inc.
Phase 3 Completed
NCT04478266 2025-09-11
AMEERA-5
Sanofi
Phase 3 Terminated
NCT00601900 2025-05-23
Tamoxifen Citrate or Letrozole With or Without Bevacizumab in Treating Women With Stage IIIB or Stage IV Breast Cancer
National Cancer Institute (NCI)
Phase 3 Completed
NCT00265759 2025-04-23
Exemestane, Letrozole, or Anastrozole in Treating Postmenopausal Women Who Are Undergoing Surgery for Stage II or Stage III Breast Cancer
Alliance for Clinical Trials in Oncology
Phase 3 Completed
NCT01958021 2025-03-07
MONALEESA-2
Novartis
Phase 3 Completed
NCT01740427 2024-11-14
PALOMA-2
Pfizer
Phase 3 Completed
NCT00382070 2024-03-22
Letrozole in Treating Postmenopausal Women Who Have Received Hormone Therapy for Hormone Receptor-Positive Breast Cancer
NSABP Foundation Inc
Phase 3 Active not recruiting
NCT02278120 2024-03-12
MONALEESA-7
Novartis
Phase 3 Completed
NCT02941926 2023-10-24
COMPLEEMENT-1
Novartis
Phase 3 Completed
NCT00754845 2023-08-25
Letrozole in Breast Cancer Who Have Received 5 Years of Aromatase Inhibitor Therapy
Canadian Cancer Trials Group
Phase 3 Completed
NCT00545077 2023-03-31
Bevacizumab + Endocrine Treatment vs Endocrine Treatment as First Line in Postmenopausal Women
Spanish Breast Cancer Research Group
Phase 3 Completed
NCT02600923 2022-01-20
Palbociclib Plus Letrozole For Postmenopausal Women With HR(+) HER2(-) Advanced Breast Cancer For Whom Letrozole Is Deemed Appropriate
Pfizer
Phase 3 Completed
NCT03096847 2021-10-11
Study for Women and Men With Hormone-receptor Positive Locally Advanced or Metastatic Breast Cancer
Novartis
Phase 3 Completed
NCT00073528 2021-02-24
Study Comparing Lapatinib (GW572016) And Letrozole Versus Letrozole In Subjects With Advanced Or Metastatic Breast Cancer
Novartis
Phase 3 Completed
NCT03050398 2020-05-28
A Companion Sample Collection Protocol to Support the Discovery of Breast Cancer Aberrations With Treatment of CDK4/6 Therapy/LEE011/Ribociclib
Novartis
Phase 3 Terminated
NCT00553410 2020-03-11
SOLE
ETOP IBCSG Partners Foundation
Phase 3 Completed
NCT00171704 2017-03-03
A Study to Evaluate the Effect of Letrozole and Tamoxifen on Bone and Lipids in Postmenopausal Women With Breast Cancer
Novartis
Phase 3 Completed
NCT00248170 2016-04-19
FACE
Novartis
Phase 3 Completed
NCT00171340 2012-04-16
Zoledronic Acid in the Prevention of Cancer Treatment Related Bone Loss in Postmenopausal Women Receiving Letrozole for Breast Cancer.
Novartis
Phase 3 Completed
NCT00171314 2012-04-11
The Use of Zoledronic Acid to Prevent Cancer-treatment Bone Loss in Post-menopausal Women Receiving Adjuvant Letrozole for Breast Cancer
Novartis
Phase 3 Completed
NCT00332709 2011-11-16
Safety/Efficacy of Letrozole Monotherapy or in Combination With Zoledronic Acid as Extended Adjuvant Treatment of Postmenopausal Patients With Primary Breast Cancer
Novartis
Phase 3 Completed