Clinical Trials Browser

NETWORK × Letrozole × Breast × 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

NCT03283384 2025-09-19

NEOLBC

Phase 2 Active not recruiting

Breast 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

NCT03644186 2024-12-13

TOUCH

Phase 2 Completed

147 enrolled 11 charts

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

NCT03628066 2022-04-20

Biological and Clinical Effects of Palbociclib With Ovarian Suppression and Letrozole in the Neoadjuvant Treatment of Breast Cancer

Phase 2 Completed

Breast Neoplasms

NCT02296801 2022-01-13

PALLET

Phase 2 Completed

307 enrolled 18 charts

Breast Neoplasms

NCT00238316 2020-04-02

Letrozole in Preventing Breast Cancer in Postmenopausal Women Who Are at Increased Risk for Breast Cancer Due to High Breast Density

Phase 2 Completed

Breast Neoplasms

NCT00553410 2020-03-11

SOLE

Phase 3 Completed

4,884 enrolled 14 charts

Breast Neoplasms

NCT02005887 2019-05-29

TREND

Phase 2 Completed

51 enrolled 10 charts

Breast Cancer Invasive Nos

NCT00004205 2017-12-12

BIG 1-98

Phase 3 Completed

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