CB-103 Plus NSAI In Luminal Advanced Breast Cancer

"Patients will receive CB-103 capsules orally (QD) in combination with NSAI therapy (letrozole or anastrozole, continuing prior therapy) also orally once daily, and based on a 28-day treatment cycle.~A run-in phase for safety and tolerability of CB-103 in combination with anastrozole or letrozole will be conducted as an initial step of the phase II trial to confirm the safe dose of CB-103 in combination with NSAI given at standard dose.~Patients will receive treatment until disease progression (as defined by RECIST v.1.1), symptomatic deterioration, unacceptable toxicity, death, consent withdrawal or study termination, whichever occurs first."