Kathleen M Sturgeon1, Lorraine T Dean1, Mariane Heroux2, Jessica Kane1, Toni Bauer2, Erica Palmer1, Jin Long1, Shannon Lynch3, Linda Jacobs1, David B Sarwer4, Mary B Leonard5, Kathryn Schmitz6. 1. Perelman School of Medicine, University of Pennsylvania, 3440 Market St, Suite 440, Office 458, Philadelphia, PA, 19104, USA. 2. Precision Nutrition, Toronto, ON, Canada. 3. Fox Chase Cancer Center, Philadelphia, PA, USA. 4. Center for Obesity Research and Education, College of Public Health, Temple University, Philadelphia, PA, USA. 5. Stanford University, Stanford, CA, USA. 6. Perelman School of Medicine, University of Pennsylvania, 3440 Market St, Suite 440, Office 458, Philadelphia, PA, 19104, USA. kschmitz@phs.psu.edu.
Abstract
PURPOSE: The goal of this RCT was to examine the efficacy and safety of a web-based program to improve cardiovascular and bone health outcomes, among 35 BRCA1/2+ breast cancer survivors who underwent prophylactic oophorectomy and thus experienced premature surgical menopause. METHODS: A 12-month commercially available web-based lifestyle modification program (Precision Nutrition Coaching) was utilized. Cardiovascular fitness, dietary intake, leisure time activity, body composition, bone mineral density, bone structure, and muscle strength were assessed. RESULTS:Average adherence to all program components was 74.8 %. Women in the intervention group maintained their cardiovascular fitness level over the 12 months (1.1 ± 7.9 %), while the control group significantly decreased fitness capacity (-4.0 ± 7.5 %). There was a significant difference between groups in percent change of whole body bone area (-0.8 ± 2.5 control and 0.5 ± 1.30 intervention). We also observed decreased BMI (-4.7 ± 6.2 %) and fat mass (-8.6 ± 12.7 %) in the intervention group due to significant concomitant decreases in caloric intake and increases in caloric expenditure. The control group demonstrated decreased caloric intake and decreased lean tissue mass. CONCLUSIONS: In this population at high risk for detrimental cardiovascular and bone outcomes, a commercially available lifestyle intervention program mitigated a decline in cardiovascular health, improved bone health, and decreased weight through fat loss. IMPLICATIONS FOR CANCER SURVIVORS: Precision Nutrition Coaching has shown benefit in breast cancer survivors for reduced risk of deleterious cardiovascular and bone outcomes.
RCT Entities:
PURPOSE: The goal of this RCT was to examine the efficacy and safety of a web-based program to improve cardiovascular and bone health outcomes, among 35 BRCA1/2+ breast cancer survivors who underwent prophylactic oophorectomy and thus experienced premature surgical menopause. METHODS: A 12-month commercially available web-based lifestyle modification program (Precision Nutrition Coaching) was utilized. Cardiovascular fitness, dietary intake, leisure time activity, body composition, bone mineral density, bone structure, and muscle strength were assessed. RESULTS: Average adherence to all program components was 74.8 %. Women in the intervention group maintained their cardiovascular fitness level over the 12 months (1.1 ± 7.9 %), while the control group significantly decreased fitness capacity (-4.0 ± 7.5 %). There was a significant difference between groups in percent change of whole body bone area (-0.8 ± 2.5 control and 0.5 ± 1.30 intervention). We also observed decreased BMI (-4.7 ± 6.2 %) and fat mass (-8.6 ± 12.7 %) in the intervention group due to significant concomitant decreases in caloric intake and increases in caloric expenditure. The control group demonstrated decreased caloric intake and decreased lean tissue mass. CONCLUSIONS: In this population at high risk for detrimental cardiovascular and bone outcomes, a commercially available lifestyle intervention program mitigated a decline in cardiovascular health, improved bone health, and decreased weight through fat loss. IMPLICATIONS FOR CANCER SURVIVORS: Precision Nutrition Coaching has shown benefit in breast cancer survivors for reduced risk of deleterious cardiovascular and bone outcomes.
Entities:
Keywords:
BRCA1/2; Bone; Exercise; Heart; Neoplasm; Weight loss
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