Sanofi
Sanofi
Sanofi
Sanofi
A Randomized, Multicenter, Double-blind Phase 3 Study
To determine whether SAR439859 in combination with palbociclib improves progression free survival (PFS) when compared with letrozole in combination with palbociclib in participants with ER+, HER2- advanced breast cancer who have not received any prior systemic anticancer therapies for advanced disease.
Progression-free survival. Progression-free survival is defined as the time interval from the date of randomization to the date of first documented tumor progression as per Response Evaluation Criteria in Solid Tumors (RECIST 1.1) or death (due to any cause), whichever come first.
The most important inclusion criteria are:
The most important exclusion criteria are: