Time-restricted Eating in Survivors Trial

Time-restricted Eating in Survivors Trial

Breast cancer survivors aged 60+ and with overweight/obesity who had completed chemotherapy 1-6 years earlier completed 8 weeks of 12-8 pm weekday-only time-restricted eating. The intervention was delivered by a registered dietitian call, twice-daily automated text messages asking about eating start/stop times, and three support phone calls.

Inclusion Criteria:

• history of early-stage (I-III) breast cancer
• completed anthracycline-based chemotherapy 1-6 years earlier
• aged ≥60 years
• had a body mass index (BMI) >25 kg/m2

Exclusion Criteria:

• taking lipid, glucose, or weight-lowering medications
• contraindications to maximal exercise testing or research MRI
• unstable thyroid disorder
• self-reported history of an eating disorder
• self-reported diagnosis of type 1 or 2 diabetes
• weight loss of ≥15 lbs in previous 3 months
• working night shifts
• could not provide consent in English