Clinical Trials Browser

Phase 3 × NETWORK × Letrozole × Clear all

NCT00003140 2026-03-27

Letrozole After Tamoxifen in Treating Women With Breast Cancer

Phase 3 Completed

Breast Neoplasms

NCT01674140 2026-02-10

e3

Phase 3 Active not recruiting

1,939 enrolled 15 charts

Breast Neoplasms, Breast Neoplasms, Male

NCT04111978 2025-09-29

MATAO

Phase 3 Recruiting

Fallopian Tube Neoplasms, Peritoneal Neoplasms

NCT03425838 2025-09-19

Endocrine Therapy Plus CDK4/6 in First or Second Line for Hormone (SONIA) Receptor Positive Advanced Breast Cancer

Phase 3 Active not recruiting

Breast Neoplasm Female

NCT05512364 2025-08-19

TREAT ctDNA

Phase 3 Recruiting

Breast Neoplasms

NCT00382070 2024-03-22

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

Phase 3 Unknown

3,966 enrolled 12 charts

Breast Neoplasms

NCT00754845 2023-08-25

Letrozole in Breast Cancer Who Have Received 5 Years of Aromatase Inhibitor Therapy

Phase 3 Completed

1,918 enrolled 14 charts

Breast Neoplasms

NCT00433589 2022-11-17

MINDACT

Phase 3 Completed

Breast Neoplasms, Carcinoma, Ductal, Breast, Carcinoma, Lobular

NCT00553410 2020-03-11

SOLE

Phase 3 Completed

4,884 enrolled 14 charts

Breast Neoplasms

NCT00004205 2017-12-12

BIG 1-98

Phase 3 Completed

Breast Carcinoma In Situ, Breast Neoplasms, Carcinoma, Ductal, Breast