U.S., Feb. 11 -- ClinicalTrials.gov registry received information related to the study (NCT07399808) titled 'CDK4/6 Inhibitors in Breast Cancer Elderly Patients: an Observational Ambispective Longitudinal Multicenter Study' on Nov. 17, 2025.

Brief Summary: Breast cancer is one of the tumors with the highest incidence and current evidence indicates a higher prevalence in elderly patients (>=70 years) with a higher mortality rate due to immunosenescence, diagnostic delay and under treatment. Elderly patients are still poorly represented in clinical trials and the main indications for the treatment of the elderly population are extrapolated from the guidelines used in studies conducted predominantly on the younger population. In particular, t...