Individualized exercise and the health of the AYA cancer survivor population

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Medicine and Health Sciences


Objective Adolescent and young adult cancer survivors (AYACS: ages 15-39) have an 84.5% five -year survival rate. AYACS have a 10 times greater risk to develop cardiac disease compared to healthy peers. This is in part due to their lower physical activity. Structured exercise in adult cancer survivors improves strength, fatigue, VO2, and antioxidant levels and it decreases markers of cellular damage. AYACS could benefit similarly, reducing long-term health effects. Although evidence suggests exercise is beneficial in older cancer survivors, this has not been demonstrated in AYACS. We hypothesized that a 12-week one-on-one multi-modal, community-based exercise program would improve AYACS outcomes compared to baseline or inactive AYACS. The current study hopes to demonstrate the feasibility of an exercise intervention in a community setting within Indianapolis. Methods Six individuals were included in a feasibility trial for a larger pilot study of 374 participants. On day 1, baseline assessments were performed for experimental outcomes: body composition, strength, flexibility, VO2peak, balance, plasma biomarkers, PA, psychological health, health-related quality of life, and fatigue. Mini reassessments were performed at week 5, measuring strength and VO2peak with an estimated 1-rep maximum and 6-minute Walk Test respectively; in the larger pilot study participants will be reassessed at weeks 12 and 24. Participants train for 60 minutes (20 cardio, 30 weights, 10 stretching) 3 times a week for 12 weeks, one-on-one with a cancer exercise specialist. Results The average change in VO2peak was +25.3% and in strength was +17.5% (no statistical analysis). Adherence was 90.9%. Conclusions This trial suggests the feasibility of a pilot larger study. The greatest limitation was that the population sample was not within the AYACS age range. However, as the goal was to show feasibility rather than to prove efficacy, the sample gave useful information.


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