Clinical Trials Browser

Terminated × INDUSTRY × Letrozole × Clear all

NCT04059484 2026-02-24

AMEERA-3

Phase 2 Terminated

367 enrolled 30 charts

Breast Cancer Metastatic

NCT04191382 2025-09-18

AMEERA-4

Phase 2 Terminated

105 enrolled 16 charts

Breast Neoplasms

NCT04478266 2025-09-11

AMEERA-5

Phase 3 Terminated

1,068 enrolled 21 charts

Breast Neoplasms

NCT01296555 2024-07-31

A Dose Escalation Study Evaluating the Safety and Tolerability of GDC-0032 in Participants With Locally Advanced or Metastatic Solid Tumors or Non-Hodgkin's Lymphoma (NHL) and in Combination With Endocrine Therapy in Locally Advanced or Metastatic Hormone Receptor-Positive Breast Cancer

Phase 1 Terminated

674 enrolled 55 charts

Lymphoma, Non-Hodgkin

NCT01199367 2024-04-25

Safety, Tolerability, and Efficacy Study in Subjects With Advanced or Metastatic Breast Cancer

Phase 1 Terminated

Breast Neoplasms

NCT04102618 2022-08-15

AWARE-1

Phase EARLY_PHASE1 Terminated

Breast Neoplasms, Triple Negative Breast Neoplasms

NCT03220178 2022-01-06

PRECYCLE

Phase 4 Terminated

Breast Neoplasms, Neoplasm Metastasis

NCT00880009 2021-09-27

Study Evaluating Bosutinib-Letrozole Combination Versus Letrozole Alone In Post Menopausal Women With Breast Cancer

Phase 2 Terminated

16 enrolled 6 charts

Breast Neoplasms

NCT00796107 2020-11-13

A Study of R1507 in Combination With Letrozole in Postmenopausal Women With Advanced Breast Cancer

Phase 2 Terminated

6 enrolled 5 charts

Breast Neoplasms

NCT01225172 2020-08-11

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

Phase 2 Terminated

77 enrolled 11 charts

Breast Neoplasms

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

Phase 3 Terminated

8 enrolled 4 charts

BreastEndocrine

Breast Neoplasms, Multiple Endocrine Neoplasia Type 1

NCT01919229 2016-01-01

MONALEESA-1

Phase 2 Terminated

14 enrolled 7 charts

Breast Neoplasms

NCT01430585 2014-08-12

Pre-Operative Study of PF-4691502 With Letrozole Compared To Letrozole Alone In Patients With Early Breast Cancer

Phase 2 Terminated

14 enrolled 5 charts

Breast Neoplasms

NCT00241046 2012-04-19

Letrozole in the Treatment of 1st and 2nd Line Hormone Receptor Positive Breast Cancer: Pre-therapeutic Risk Assessment

Phase 4 Terminated

Breast Neoplasms

NCT00083993 2011-11-08

Study Evaluating CCI-779 and Letrozole in Post-menopausal Women With Breast Cancer

Phase 3 Terminated

Breast Neoplasms, Neoplasm Metastasis

NCT00171847 2010-03-31

eLEcTRA

Phase 4 Terminated

Breast Neoplasms, Neoplasm Metastasis

NCT00770354 2009-08-10

Phase II Study of AS1402 Combined With Letrozole to Treat Breast Cancer

Phase 2 Terminated

Breast Neoplasms

NCT00267553 2007-09-10

Treatment and Survival Continuation Study of Atamestane Plus Toremifene vs Letrozole in Advanced Breast Cancer

Phase 3 Terminated

Breast Neoplasms, Neoplasms, Hormone-Dependent, Carcinoma, Ductal, Breast, Carcinoma, Lobular

NCT00097344 2007-08-23

The CAT Study: Atamestane Plus Toremifene Versus Letrozole in Advanced Breast Cancer

Phase 3 Terminated

Breast Neoplasms, Neoplasms, Hormone-Dependent, Carcinoma, Ductal, Breast, Carcinoma, Lobular