Letrozole 2.5 mg film coated tablets clinical trials

SPatial Heterogeneity of INtratumoral drug distribution

This study looks at how breast cancer drugs spread within tumours. We're testing if letrozole, Kisqali, or anastrozole reach all parts of the tumour effectively in women with ER+ HER2- breast cancer. This helps us understand if the treatments are working as well as they could.