Clinical Trials Browser

Phase 1 × Active not recruiting × Letrozole × Clear all

NCT05307705 2026-04-20

PIKASSO-01

Phase 1 Active not recruiting

Breast Neoplasms

NCT04895761 2026-04-13

Neoadjuvant DPX-Survivac Aromatase Inhibition, Radiotherapy or Cyclophosphamide in HR+HER2- Breast Cancer

Phase 1 Active not recruiting

Breast Neoplasms

NCT03006172 2026-03-11

To Evaluate the Safety, Tolerability, and Pharmacokinetics of Inavolisib Single Agent in Participants With Solid Tumors and in Combination With Endocrine and Targeted Therapies in Participants With Breast Cancer

Phase 1 Active not recruiting

Breast Neoplasms

NCT02057133 2026-01-26

A Study of LY2835219 (Abemaciclib) in Combination With Therapies for Breast Cancer That Has Spread

Phase 1 Active not recruiting

Breast Neoplasms

NCT03959891 2025-09-29

AKT Inhibitor, Ipatasertib, With Endocrine and CDK 4/6 Inhibitor for Patients With Metastatic Breast Cancer (TAKTIC)

Phase 1 Active not recruiting

Breast Neoplasms

NCT06570031 2025-07-02

ONO-4578-06:Phase I Study of ONO-4578 and Letrozole Plus CDK4 /6 Inhibitors in Breast Cancer

Phase 1 Active not recruiting

Breast Neoplasms, Neoplasm Metastasis, Recurrence

NCT06253195 2025-06-05

BGB-43395 Alone or as Part of Combination Therapies in Chinese Participants With HR+/HER2- Breast Cancer and Other Advanced Solid Tumors

Phase 1 Active not recruiting

Breast Neoplasms, Neoplasm Metastasis

NCT03900884 2024-11-07

PALVEN

Phase 1 Active not recruiting

Breast Neoplasm Female

NCT01791478 2024-07-23

BYL719 and Letrozole in Post-Menopausal Patients With Hormone Receptor-Positive Metastatic Breast Cancer

Phase 1 Active not recruiting

Breast Neoplasms, Carcinoma, Ductal, Breast