Clinical Trials Browser

Interventional × Neoplasms × Letrozole × Clear all

Neoplasms

NCT01042379 2026-03-13

I-SPY

Phase 2 Recruiting

5,000 enrolled

BreastSarcoma

Pathologic Complete Response, Breast Neoplasms, Hemangiosarcoma, Neoplasms, Triple Negative Breast Neoplasms

NCT05768139 2026-03-02

PIKALO-1

Phase 1/2 Recruiting

720 enrolled

BreastGynecologicHead & Neck

Squamous Cell Carcinoma of Head and Neck, Breast Diseases, Breast Neoplasms, Uterine Cervical Neoplasms, Head and Neck Neoplasms, Neoplasms, Neoplasms by Site, Hereditary Sensory and Autonomic Neuropathies, Ovarian Neoplasms, Endometrial Neoplasms

NCT04964934 2026-01-16

SERENA-6

Phase 3 Active not recruiting

315 enrolled

Breast

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

NCT04906395 2026-01-13

OVELIA

Phase 3 Active not recruiting

250 enrolled

Breast

Breast Neoplasms, Neoplasms

NCT05645536 2026-01-12

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

Phase 3 Enrolling by invitation

250 enrolled

Breast

Breast Neoplasms, Neoplasms

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

Breast Neoplasms, Neoplasms

NCT01684215 2020-11-23

A Study Of Oral Palbociclib (PD-0332991), A CDK4/6 Inhibitor, As Single Agent In Japanese Patients With Advanced Solid Tumors Or In Combination With Letrozole For The First-Line Treatment Of Postmenopausal Japanese Patients With ER (+) HER2 (-) Advanced Breast Cancer

Phase 2 Completed

61 enrolled 45 charts

Breast

Breast Neoplasms, 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

Tumor-Agnostic

Neoplasms

NCT02450175 2015-05-21

Etiology of the Platelet-Cancer Metastatic Pathway - A Study of Inflammatory Markers, Platelet Characteristics and Metastatic Surrogates in Cancer Patients and Controls

Phase NA Unknown

50 enrolled

Tumor-Agnostic

Neoplasm Metastasis, Neoplasms

NCT00062751 2011-04-15

Study Evaluating Temsirolimus (CCI-779) In Breast Neoplasms

Phase 2 Completed

108 enrolled 4 charts

Breast

Breast Neoplasms, Neoplasms

Clinical Trials

OMAHA-015

I-SPY

PIKALO-1

SERENA-6

OVELIA

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

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

A Study Of Oral Palbociclib (PD-0332991), A CDK4/6 Inhibitor, As Single Agent In Japanese Patients With Advanced Solid Tumors Or In Combination With Letrozole For The First-Line Treatment Of Postmenopausal Japanese Patients With ER (+) HER2 (-) Advanced Breast Cancer

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

Etiology of the Platelet-Cancer Metastatic Pathway - A Study of Inflammatory Markers, Platelet Characteristics and Metastatic Surrogates in Cancer Patients and Controls

Study Evaluating Temsirolimus (CCI-779) In Breast Neoplasms