drugset / Trial / NCT07492641
BGB-43395 Plus Letrozole Versus CDK4/6i Plus Letrozole for Patients With Advanced or Metastatic HR+/HER2- Breast Cancer Who Have Not Received Prior Treatment for Advanced or Metastatic Disease
RandomizedParallel-groupOpen-labelTreatment
Summary
The purpose of this study is to investigate the efficacy and safety of BGB-43395 in combination with letrozole compared with investigator's choice of cyclin-dependent kinase 4/6 inhibitor (CDK4/6i) in combination with letrozole in patients with advanced or metastatic hormone receptor positive (HR+)/human epidermal growth factor receptor 2 negative (HER2-) breast cancer (BC) who have not received prior systemic treatment for advanced or metastatic disease.
Timeline
- Start
- 2026-05-22
- Primary completion
- 2029-04
- Completion
- 2037-08-07
Drugs
| Evaluation | Drug | Modality | Dose | Route |
|---|---|---|---|---|
| Comparator | Abemaciclib | Small molecule | — | Oral |
| Subject | BGB-43395 | Unknown | — | Oral |
| Comparator | Palbociclib | Small molecule | — | Oral |
| Comparator | Ribociclib | Small molecule | — | Oral |
| Background | Letrozole | Other / unclassified | — | Oral |