Clinical Trials Browser

Phase 3 × INDUSTRY × Letrozole × Clear all

Breast Neoplasms, Breast Neoplasms, Male

Breast Neoplasms, Neoplasm Metastasis

Breast Neoplasms

HR+/HER2- Breast Cancer

Breast Neoplasms

Unilateral Breast Neoplasms, Breast Neoplasms, Recurrence

Breast Neoplasms, Neoplasm Metastasis

Advanced Breast Cancer

Breast Neoplasms

Breast Neoplasms, Neoplasm Metastasis

Breast Neoplasms, Breast Neoplasms, Male

Breast Neoplasms

Breast Neoplasms

Breast Diseases, Breast Neoplasms, Neoplasm Metastasis, Neoplasms, Neoplasms by Site

Breast Neoplasms

Breast Neoplasms

Low Grade Serous Ovarian Cancer

Breast Neoplasms

Breast Neoplasms

Breast Neoplasms

Breast Neoplasms

Breast Neoplasms

Breast Neoplasms

Breast Neoplasms, Neoplasms

Breast Neoplasms, Neoplasms

Breast Neoplasms

Breast Neoplasms

Breast Neoplasms

Breast Neoplasms

Breast Neoplasms

Breast Neoplasms, Neoplasm Metastasis

Breast Neoplasms, Hereditary Sensory and Autonomic Neuropathies

Advanced Metastatic Breast Cancer

Endometrial Neoplasms

Breast Neoplasms

Breast Neoplasms

Breast Neoplasms

Breast Neoplasms, Osteitis Deformans

Advanced Breast Cancer

Breast Neoplasms

Breast Neoplasms, Multiple Endocrine Neoplasia Type 1

Breast Neoplasms

Breast Neoplasms

Breast Neoplasms

Breast Neoplasms

Breast Neoplasms

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

Bone Diseases, Metabolic, Breast Neoplasms, Osteoporosis

Bone Diseases, Metabolic, Breast Neoplasms

Breast Neoplasms

Clinical Trials

ELEGANT

A Study of Tersolisib (LY4064809/STX-478) With Other Anti-Cancer Treatments in Participants With Advanced Breast Cancer With a Genetic Change (PIK3CA)

A Phase III Trial Comparing HRS-8080 With Standard Endocrine Therapy in Patients With Intermediate or High Risk Early Breast Cancer

KANDELA-302

A Study Evaluating the Efficacy and Safety of Giredestrant Combined With Palbociclib Compared With Letrozole Combined With Palbociclib in Participants With Estrogen Receptor-Positive, HER2-Negative Locally Advanced or Metastatic Breast Cancer (persevERA Breast Cancer)

FourLight-3

Phase 3 Study of Gedatolisib as First-Line Treatment for Patients With HR-Positive, HER2-Negative Advanced Breast Cancer (VIKTORIA-2)

EvoPAR-BR01

OPERA-02

A Study Of Palbociclib (PD-0332991) + Letrozole VS. Placebo+ Letrozole For 1st Line Treatment Of Asian Postmenopausal Women With ER+/HER2- Advanced Breast Cancer [PALOMA-4]

Adjuvant WIDER

CAMBRIA-1

INAVO123

SERENA-6

Clinical Study on Adjuvant Therapy of TQB3616 Combined With Endocrine Therapy Compared With Placebo Combined With Endocrine Therapy in Patients With Breast Cancer

EMBER-4

RAMP 301

SIE-3

OPERA-01

VERITAC-3

MONARCH plus

MONARCH 3

A Phase 3 Study of HRS-8080 Versus Treatment Chosen by Physicians in Locally Advanced and Metastatic Breast Cancer

OVELIA

Safety Extension Study for Subjects With HR+, HER2- Breast Cancer for Subjects Who Have Completed the OVELIA Study

EMERALD

AMEERA-5

A Study of XZP-3287 in Combination With Letrozole/Anastrozole in Patients With Advanced Breast Cancer

CAMBRIA-2

MONALEESA-2

PALOMA-2

BioItaLEE

MONALEESA-7

Comparison of Letrozole With Lerociclib Versus Letrozole With Placebo Control in Patients With Advanced/Metastatic or Recurrent, Grade 1 or Grade 2 Endometrial Cancer

COMPLEEMENT-1

A Study of GB491 in Combination With Letrozole in Patients With HR Positive and HER2 Negative Advanced Breast Cancer

Palbociclib Plus Letrozole For Postmenopausal Women With HR(+) HER2(-) Advanced Breast Cancer For Whom Letrozole Is Deemed Appropriate

Study for Women and Men With Hormone-receptor Positive Locally Advanced or Metastatic Breast Cancer

A Study of SHR6390 in Combination With Letrozole or Anastrozole in Patients With HR Positive and HER2 Negative Advanced Breast Cancer

Study Comparing Lapatinib (GW572016) And Letrozole Versus Letrozole In Subjects With Advanced Or Metastatic Breast Cancer

A Companion Sample Collection Protocol to Support the Discovery of Breast Cancer Aberrations With Treatment of CDK4/6 Therapy/LEE011/Ribociclib

A Study to Evaluate the Effect of Letrozole and Tamoxifen on Bone and Lipids in Postmenopausal Women With Breast Cancer

Safety and Rheumatologic Tolerability of Letrozole in Postmenopausal Patients With Hormone Receptor Positive Breast Cancer

Letrozole as Early Adjuvant Treatment of Postmenopausal Patients With Primary Breast Cancer

Safety and Efficacy of Hormone Therapy With Letrozole in Postmenopausal Women With Breast Cancer

FACE

Phase III Study of Atamestane Plus Toremifene Versus Letrozole in Advanced Breast Cancer

Zoledronic Acid - Letrozole Adjuvant Synergy Trial (ZFAST) - Cancer Treatment Related Bone Loss in Postmenopausal Women With Estrogen Receptor Positive and/or Progesterone Receptor Positive Breast Cancer Receiving Adjuvant Hormonal Therapy

Zoledronic Acid in the Prevention of Cancer Treatment Related Bone Loss in Postmenopausal Women Receiving Letrozole for Breast Cancer.

The Use of Zoledronic Acid to Prevent Cancer-treatment Bone Loss in Post-menopausal Women Receiving Adjuvant Letrozole for Breast Cancer