Trial intelligence / Profile preview

BGB-43395 plus letrozole versus CDK4/6 inhibitor plus letrozole in previously untreated advanced or metastatic HR-positive/HER2-negative breast cancer

2025-523960-19-00Phase 3Authorised

Sponsor
BeOne Medicines
Start
Aug 2026
Modality
Orthosteric Ligands → Classical Binding Small Molecules → Small Molecules, Classical Binding Small Molecules → Small Molecules, Covalent Small Molecules → Small Molecules
Countries
15
01

Overview

Phase 3, randomised, open-label trial in breast cancer comparing BGB-43395 plus letrozole with CDK4/6 inhibitor plus letrozole (2 arms). Primary endpoint: Progression-free survival by blinded independent central review. Planned start Aug 2026; status: authorised.

02

Drugs

bgb-43395letrozole
03

Conditions

breast cancer

Beyond the preview

Go deeper on 2025-523960-19-00.

Study design, results and competitive context are available in the Gosset platform where reported.

Study design & results

Available in the Gosset platform where reported.

Competitive context

Available in the Gosset platform where reported.

Bring the full picture into focus.

See how Gosset can support your research on 2025-523960-19-00.

Gosset Free

Get started with Gosset.

Enter your corporate email.

Work email preferred.

Book a call