U.S., June 4 -- ClinicalTrials.gov registry received information related to the study (NCT07624617) titled 'Fast-Her: Fasting Effects on Breast Cancer Treatment' on May 28.

Brief Summary: We hypothesize that promoting a fasting state will strengthen the anti-cancer effects of PI3K inhibitors in metastatic breast cancer (MBC) treatment. The primary objective of this study is to assess acceptability of prolonged fasting in this population.

Study Start Date: June 01

Study Type: INTERVENTIONAL

Condition: Metastatic Breast Cancer

Intervention: BEHAVIORAL: Prolonged Fasting

During prolonged fasting, participants will eat only once daily (dinner), with water, black coffee and tea permitted during fasting hours. Throughout all conditions, p...