Abstract
TPS12140 Background: Obesity is considered a leading modifiable contributor to breast cancer mortality worldwide due to its association with increased recurrence and decreased overall survival rate. A central mechanism by which obesity stimulates cancer progression is through chronic, low-grade inflammation in adipose tissue. Exercise has shown potential in improving inflammation but has not been implemented with breast cancer survivors. Our hypothesis is that exercise designed to target chronic inflammation and associated sarcopenic obesity will improve prognosis in obese breast cancer survivors. Methods: The AIM trial is a prospective, three-armed, phase II randomized controlled trial investigating the effects of a 16-week supervised circuit aerobic and resistance exercise (CARE) program compared to a traditional aerobic and resistance exercise (TARE) program, and attention control (AC) group, on adipose tissue inflammation in 300 breast cancer survivors. Main inclusion criteria are histologically confirmed breast cancer stage 0-III, completion of chemotherapy and/or radiation, sedentary, centrally obese, and free from musculoskeletal disorders. The primary endpoint is adipose tissue inflammation as assessed by core biopsy and blood draw; secondary endpoint is sarcopenic obesity; and exploratory endpoints are physical fitness and function and patient reported outcomes. Participants randomized to the exercise groups participate in three weekly supervised exercise sessions for 16-weeks. Participants randomized to the attention control group are offered the CARE intervention after the 16-week period of observation. Discussion: This is the first randomized controlled trial examining the effects of exercise on adipose tissue inflammation in obese, breast cancer survivors. Results will contribute to a better understanding of exercise modality on adipose tissue inflammation that can potentially improve patient prognosis. Clinical trial information: NCT03091842.
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