期刊
CLINICAL CANCER RESEARCH
卷 26, 期 12, 页码 3024-3034出版社
AMER ASSOC CANCER RESEARCH
DOI: 10.1158/1078-0432.CCR-19-2935
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资金
- Breast Cancer Research Foundation
- Cigarette Restitution Fund
- National Institutes of Health [P30 CA006973]
- Commonwealth Foundation Johns Hopkins Precision Medicine Initiative
Purpose: We initiated a clinical trial to determine the proportion of breast cancer survivors achieving >= 5% weight loss using a remotely delivered weight loss intervention (POWER-remote) or a self-directed approach, and to determine the effects of the intervention on biomarkers of cancer risk including metabolism, inflammation, and telomere length. Experimental Design: Women with stage 0-III breast cancer, who completed local therapy and chemotherapy, with a body mass index >= 25 kg/m(2) were randomized to a 12-month intervention (POWER-remote) versus a self-directed approach. The primary objective was to determine the number of women who achieved at least 5% weight loss at 6 months. We assessed baseline and 6-month change in a panel of adipocytokines (adiponectin, leptin, resistin, HGF, NGF, PAI1, TNF alpha, MCP1, IL1 beta, IL6, and IL8), metabolic factors ( insulin, glucose, lipids, hs-CRP), and telomere length in peripheral blood mononuclear cells. Results: From 2013 to 2015, 96 women were enrolled, and 87 were evaluable for the primary analysis; 45 to POWER-remote and 42 to self-directed. At 6 months, 51% of women randomized to POWER-remote lost >= 5% of their baseline body weight, compared with 12% in the self-directed arm [OR, 7.9; 95% confidence interval (CI), 2.6-23.9; P = 0.0003]; proportion were similar at 12 months (51% vs 17%, respectively, P = 0.003). Weight loss correlated with significant decreases in leptin, and favorable modulation of inflammatory cytokines and lipid profiles. There was no significant change in telomere length at 6 months. Conclusions: A remotely delivered weight loss intervention resulted in significant weight loss in breast cancer survivors, and favorable effects on several biomarkers.
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