Effect of Exercise or Metformin on Biomarkers of Inflammation in Breast and Colorectal Cancer: A Randomized Trial.
Effect of Exercise or Metformin on Biomarkers of Inflammation in Breast and Colorectal Cancer: A Randomized Trial.
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DOI:
10.1158/1940-6207.capr-20-0188
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发表时间:
2020-12
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影响因子:
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通讯作者:
Meyerhardt JA
中科院分区:
文献类型:
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作者:
Brown JC;Zhang S;Ligibel JA;Irwin ML;Jones LW;Campbell N;Pollak MN;Sorrentino A;Cartmel B;Harrigan M;Tolaney SM;Winer EP;Ng K;Abrams TA;Sanft T;Douglas PS;Hu FB;Fuchs CS;Meyerhardt JA
Observational studies report that physical activity and metformin are associated with improved clinical outcome in patients with cancer. Inflammation is one biological mechanism hypothesized to mediate these associations. In this phase II, multi-center, 2×2 factorial trial, 139 patients with breast and colorectal cancer who completed standard therapy were randomized to one of four treatment groups for 12 weeks: exercise alone, metformin alone, exercise and metformin, or control. Inflammation outcomes included high sensitivity C-reactive protein (hs-CRP), soluble tumor necrosis factor alpha receptor two (sTNF-αR2), and interleukin 6 (IL-6). The primary modeling strategy evaluated the trial product estimand that was quantified using a generalized linear mixed model. Compared with control, exercise alone reduced hs-CRP: −30.2% (95% CI: −50.3, −1.0) and IL-6: −30.9% (95% CI: −47.3, −9.5); but did not change sTNF-αR2: 1.0% (95% CI: −10.4, 13.9). Compared with control, metformin alone did not change hs-CRP: −13.9% (95% CI: −40.0, 23.4), sTNF-αR2: −10.4% (95% CI: −21.3, 2.0), or IL-6: −22.9% (95% CI: −42.3, 2.0). Compared with control, exercise and metformin reduced sTNF-αR2: −13.1% (95% CI: −22.9, −1.0) and IL-6: −38.7% (95% CI: −52.3, −18.9); but did not change hs-CRP: −20.5% (95% CI: −44.0, 12.7). The combination of exercise and metformin was not synergistic for hs-CRP, sTNF-αR2, or IL-6. In survivors of breast and colorectal cancer with low baseline physical activity and without type 2 diabetes, exercise and metformin reduced measures of inflammation that are associated with cancer recurrence and mortality.