Analysis of Letrozole in Patients With Operable Hormone Receptor Positive, HER2 Negative Breast Cancer

Clinical Outcomes After Letrozole Treatment According to the Estrogen Receptor Expression in Postmenopausal Women

NCT01069211 ·Status: UNKNOWN

Extended Adjuvant Treatment With Letrozole in Breast Cancer Who Complete 5 Years of Toremifene

NCT01072318 ·Status: UNKNOWN ·Phase: PHASE4

Letrozole With and Without Simvastatin for the Treatment of Stage I-III Hormone Receptor Positive, HER2 Negative Breast Cancer

NCT05464810 ·Status: RECRUITING ·Phase: EARLY_PHASE1

Study of Breast Cancer Prevention by Letrozole in High Risk Women

NCT00579826 ·Status: COMPLETED ·Phase: PHASE2

Study of BMS-754807 Combined With Letrozole or BMS-754807 Alone in Patients With Hormone Receptor-Positive Breast Cancer and Resistance to Non-Steroidal Aromatase Inhibitors

NCT01225172 ·Status: TERMINATED ·Phase: PHASE2

Letrozole and Celecoxib in Treating Postmenopausal Women With Locally Advanced or Metastatic Breast Cancer

NCT00101062 ·Status: TERMINATED ·Phase: PHASE2

Letrozole in Preventing Cancer in Postmenopausal Women Who Have Received 4-6 Years of Hormone Therapy for Hormone Receptor-Positive, Lymph Node-Positive, Early-Stage Breast Cancer

NCT00553410 ·Status: COMPLETED ·Phase: PHASE3

An Examination of Predictors of Indicators of Response to Letrozole 2.5 mg

NCT00291109 ·Status: COMPLETED

Treatment of Locally Advanced Breast Cancer With Letrozole in Postmenopausal Women

NCT00237133 ·Status: COMPLETED ·Phase: PHASE4

Open Label Study of Postmenopausal Women With ER and /or PgR Positive Breast Cancer Treated With Letrozole

NCT00237224 ·Status: COMPLETED ·Phase: PHASE4

Intermittent Letrozole Therapy in Postmenopausal Women With Metastatic Breast Cancer

NCT00549822 ·Status: TERMINATED ·Phase: PHASE2

Neoadjuvant Combined Endocrine and HER2 Target Therapy in Postmenopausal Women With ER and Her2 Positive Breast Cancer

NCT01275859 ·Status: COMPLETED ·Phase: PHASE2

Retrospective Analysis of Effectiveness and Safety Profile of Anastrozole and Letrozole in HR+ Breast Cancer Patients

NCT02812277 ·Status: UNKNOWN

Randomized Phase II Study of Preoperative Letrozole (Femara) in Combination With Avastin in Hormone Receptor Positive Breast Cancer

NCT00461773 ·Status: TERMINATED ·Phase: PHASE2

Letrozole in Post-Menopausal Patients With Operable Hormone-Sensitive Breast Cancer

NCT03747042 ·Status: COMPLETED ·Phase: PHASE2

A Study to Learn About the Study Medicine PF-07220060 Together With Letrozole Compared to Letrozole Alone in Women Post Menopause

NCT06465368 ·Status: COMPLETED ·Phase: PHASE2

Goserelin/Letrozole in Premenopausal Patients vs Letrozole Alone in Postmenopausal Patients With MBC

NCT00532272 ·Status: COMPLETED ·Phase: PHASE2

Study of High-dose Letrozole Therapy in Postmenopausal Patients With Breast Cancer

NCT00237211 ·Status: COMPLETED ·Phase: PHASE2

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

NCT01077453 ·Status: COMPLETED ·Phase: PHASE1

Letrozole In Combination With Lapatinib In Neoadjuvant Treatment Of Early Breast Cancer

NCT00422903 ·Status: COMPLETED ·Phase: PHASE2

Aromatase Inhibitors Plus Chemotherapy vs Chemotherapy as Neoadjuvant Treatment in Postmenopausal HR(+) Breast Cancer

NCT02769104 ·Status: UNKNOWN ·Phase: PHASE3

This is a Multicenter, Randomized, Double-blind, Placebo-controlled Phase III Clinical Study Evaluating the Efficacy and Safety of FCN-437c Versus Placebo in Combination With Letrozole or Anastrozole ± Goserelin in Women With HR+ and HER2- Advanced Breast Cancer.

NCT05439499 ·Status: UNKNOWN ·Phase: PHASE3

Letrozole or Tamoxifen in Treating Postmenopausal Women With Breast Cancer

NCT00004205 ·Status: COMPLETED ·Phase: PHASE3

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

NCT00237198 ·Status: COMPLETED ·Phase: PHASE2

Letrozole in Treating Postmenopausal Women Who Have Received Hormone Therapy for Hormone Receptor-Positive Breast Cancer

NCT00382070 ·Status: ACTIVE_NOT_RECRUITING ·Phase: PHASE3