Clinical Trials
20 trialsNCT03425838 2026-05-20
Endocrine Therapy Plus CDK4/6 in First or Second Line for Hormone (SONIA) Receptor Positive Advanced Breast Cancer
Borstkanker Onderzoek Groep
Phase 3 Active not recruiting
NCT05512364 2026-05-15
TREAT ctDNA
European Organisation for Research and Treatment of Cancer - EORTC
Phase 3 Recruiting
NCT00003140 2026-03-27
Letrozole After Tamoxifen in Treating Women With Breast Cancer
Canadian Cancer Trials Group
Phase 3 Completed
NCT04393285 2026-03-09
Abemaciclib and Letrozole to Treat Endometrial Cancer
GOG Foundation
Phase 2 Active not recruiting
NCT01674140 2026-02-10
e3
SWOG Cancer Research Network
Phase 3 Active not recruiting
NCT03673124 2025-12-23
Ribociclib and Letrozole Treatment in Ovarian Cancer
GOG Foundation
Phase 2 Active not recruiting
NCT04111978 2025-09-29
MATAO
Swiss GO Trial Group
Phase 3 Recruiting
NCT03283384 2025-09-19
NEOLBC
Borstkanker Onderzoek Groep
Phase 2 Active not recruiting
NCT03644186 2024-12-13
TOUCH
ETOP IBCSG Partners Foundation
Phase 2 Completed
NCT02228681 2024-09-19
Everolimus and Letrozole or Hormonal Therapy to Treat Endometrial Cancer
GOG Foundation
Phase 2 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 Unknown
NCT00754845 2023-08-25
Letrozole in Breast Cancer Who Have Received 5 Years of Aromatase Inhibitor Therapy
Canadian Cancer Trials Group
Phase 3 Completed
NCT00433589 2022-11-17
MINDACT
European Organisation for Research and Treatment of Cancer - EORTC
Phase 3 Completed
NCT03628066 2022-04-20
Biological and Clinical Effects of Palbociclib With Ovarian Suppression and Letrozole in the Neoadjuvant Treatment of Breast Cancer
NSABP Foundation Inc
Phase 2 Completed
NCT02296801 2022-01-13
PALLET
NSABP Foundation Inc
Phase 2 Completed
NCT00004251 2020-04-06
Letrozole in Treating Women With Recurrent or Metastatic Endometrial Cancer
Canadian Cancer Trials Group
Phase 2 Completed
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
Canadian Cancer Trials Group
Phase 2 Completed
NCT00553410 2020-03-11
SOLE
ETOP IBCSG Partners Foundation
Phase 3 Completed
NCT02005887 2019-05-29
TREND
ETOP IBCSG Partners Foundation
Phase 2 Completed
NCT00004205 2017-12-12
BIG 1-98
ETOP IBCSG Partners Foundation
Phase 3 Completed