Clinical Trials Browser

Phase 1 × Completed × Letrozole × Clear all

NCT02499146 2026-02-11

Palbociclib Pharmacokinetics Study In Postmenopausal Chinese Women With ER (+), HER2 (-) Advanced Breast Cancer

Phase 1 Completed

26 enrolled 40 charts

Advanced Breast Cancer

NCT03099174 2025-06-24

This Study in Patients With Different Types of Cancer (Solid Tumours) Aims to Find a Safe Dose of Xentuzumab in Combination With Abemaciclib With or Without Hormonal Therapies. The Study Also Tests How Effective These Medicines Are in Patients With Lung and Breast Cancer

Phase 1 Completed

133 enrolled 26 charts

Breast Neoplasms, Neoplasms

NCT03554044 2025-05-21

T-VEC With Chemotherapy or Endocrine Therapy in Treating Participants With HER2- Negative Breast Cancer

Phase 1 Completed

Breast Neoplasms

NCT01870505 2024-12-09

BYL719 Plus Letrozole or Exemestane for Patients With Hormone-Receptor Positive Locally-Advanced Unresectable or Metastatic Breast Cancer

Phase 1 Completed

52 enrolled 19 charts

Neoplasm Metastasis

NCT06367712 2024-04-16

Letrozole Alone Protocol Versus Using Letrozole and HCG Protocol

Phase 1 Completed

Polycystic Ovary Syndrome

NCT02333370 2023-06-08

A Phase Ib Dose Escalation Study of the Combination of LEE011 With Letrozole and Dose Expansion of LEE011 With Hormonal Therapy for the Treatment of Pre-(With Goserelin) and Postmenopausal Women With Hormone Receptor Positive, HER2-negative, Advanced Breast Cancer

Phase 1 Completed

Hormone Receptor Positive, HER2-negative, Advanced Breast Cancer

NCT04177693 2023-06-05

Pharmacokinetics and Hepatic Safety of EGCG

Phase 1 Completed

39 enrolled 18 charts

Leiomyoma

NCT02684032 2022-07-27

A Study To Assess The Tolerability And Clinical Activity Of Gedatolisib In Combination With Palbociclib/Letrozole Or Palbociclib/Fulvestrant In Women With Metastatic Breast Cancer

Phase 1 Completed

Breast Neoplasms, Hereditary Sensory and Autonomic Neuropathies

NCT01655225 2022-04-08

A Study of LY3023414 in Participants With Advanced Cancer

Phase 1 Completed

BreastLymphoidOther solid neoplasmThoracic

Mesothelioma, Malignant, Breast Neoplasms, Carcinoma, Non-Small-Cell Lung, Lymphoma, Lymphoma, Non-Hodgkin, Mesothelioma, Neoplasm Metastasis

NCT02152943 2020-12-19

Everolimus, Letrozole and Trastuzumab in HR- and HER2/Neu-positive Patients

Phase 1 Completed

Breast Neoplasms

NCT02154776 2020-12-19

LeeBLet

Phase 1 Completed

Breast Neoplasms

NCT02093351 2019-10-02

To Assess Safety and Effect of Olaparib on the Pharmacokinetics of Anastrozole, Letrozole & Tamoxifen, and Their Effect on Olaparib, in Patients With Advanced Solid Cancer

Phase 1 Completed

79 enrolled 35 charts

Neoplasms

NCT02619162 2019-07-23

Nintedanib+Letrozole in Postmenopausal Women With Breast Cancer: Clinical Trial Safety and Pharmacodynamics

Phase 1 Completed

Breast Neoplasms

NCT01367626 2018-01-23

Bioequivalency Study of Letrozole 2.5 mg Tablets Under Fed Conditions

Phase 1 Completed

Breast Neoplasms

NCT01367652 2018-01-23

Bioequivalency Study of Letrozole 2.5 mg Tablets Under Fasted Conditions

Phase 1 Completed

Breast Neoplasms

NCT00960960 2016-12-15

A Study of PI3-Kinase Inhibitor GDC-0941 in Combination With Paclitaxel, With and Without Bevacizumab or Trastuzumab, and With Letrozole, in Participants With Locally Recurrent or Metastatic Breast Cancer

Phase 1 Completed

Breast Neoplasms

NCT01248494 2016-07-25

PhIb BKM120 or BEZ235+Endocrine Treatment in Post-Menopausal Patients With Hormone Receptor + Metastatic Breast Cancer

Phase 1 Completed

Breast Neoplasms

NCT01077453 2014-10-20

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

Phase 1 Completed

Breast Carcinoma In Situ