scholarly journals OR-037 The Effect of Exercise on Inflammatory Factors in Breast Cancer Patients: A Meta-analysis

2018 ◽  
Vol 1 (2) ◽  
Author(s):  
Lingling Qiu ◽  
Ya li Xu ◽  
Song hu Kong ◽  
Jie xiu Zhao

Objective Breast cancer is one of the most common malignant tumors that threaten the physical and mental health and even life-threatening of women worldwide.Chronic inflammation plays a key role in the occurrence, progression and recurrence of cancer.Several sources of evidence indicate that exercise during and after breast cancer could positively modulate the tumor microenvironment. The purpose of this meta-analysis is to determine the impact of exercise training on inflammatory factors in breast cancer patients. Methods We systematically searched the relevant randomized controlled trials published from January 1990 to June 2017 and analyzed them by Pubmed、Embase、Web of Science and Cochrane Library.The combination of Breast Cancer and Exercise is used for retrieval.The search term used for Pub Med is:(Exercise[Me SH] OR Physical Activity[Text Word] OR Training [Text Word] OR Activity [Text Word] OR Sport[Text Word] AND Breast Cancer[Text Word] OR Breast Tumor [Text Word] OR Breast Neoplasm [Text Word] OR Mammary Cancer [Text Word] OR Malignant Neoplasm of Breast [Text Word] OR Breast Carcinoma [Text Word] AND Interleukins [Text Word] OR IL [Text Word]).And manually check the references in the article to identify additional articles. Examination of titles and abstracts of papers based on pre-set inclusion criteria.Eleven high-quality trials were included. Results Pooled analyses revealed compared with the control group, the exercise group significantly improved the serum concentration of IL-8(Z=0.07,SMD=-0.02, 95%CI:[-0.47,-0.44],p=0.946)and TNF-α(Z=2.10, SMD=-0.60,95%CI:[-1.16,-0.04],p=0.036). No significant differences were found in the serum concentrations of IL-2(Z=1.96,SMD=-0.69,95%CI:[-1.37,0.00],p=0.05),IL-6(Z=0.40,SMD=-0.12, 95%CI: [-0.69,0.45],p=0.686),IL-10 (Z=1.73,SMD=-0.45,95%CI:[-0.95,0.06],p=0.084)or C-reactive protein(Z=0.18, SMD=-0.03,95%CI:[-0.35,0.41],p=0.861). Conclusions Exercise training can effectively improve some inflammatory factors in breast cancer patients and may affect tumor microenvironment. These findings provide a theoretical basis for the promotion of sports in this population.

2013 ◽  
Vol 31 (15_suppl) ◽  
pp. 528-528 ◽  
Author(s):  
Ivana Bozovic-Spasojevic ◽  
Dimitrios Zardavas ◽  
Evandro De Azambuja ◽  
Lieveke Ameye ◽  
Christos Sotiriou ◽  
...  

528 Background: Androgen receptor (AR) expression has been observed in ~70% of breast cancer (BC) patients, but its prognostic role is not established yet. To assess this we performed a meta-analysis of studies that evaluated the impact of AR on disease free survival (DFS) and/or on overall survival (OS) in early stage BC. Methods: Published studies were identified by an electronic search on PubMed using the MeSH terms "breast neoplasm" and "androgen receptor" (up to June 2012). Identified studies were assessed against the following criteria for inclusion in the analysis: early stage BC and reported results of AR status in correlation with clinical outcome. We report combined HRs with 95% confidence intervals (CI) using AR negative patients as reference. Results: Twenty studies were eligible for the meta-analysis out of 493 initially identified and 12 among them, including 6,525 patients, were considered as evaluable (i.e., reporting enough information to allow aggregation of results). AR positivity was associated with lower risk of relapse in all breast cancer patients, and better overall survival in both univariate (U) and multivariate (M) analysis. AR prognostic impact in different subtypes was also assessed (see Table). Conclusions: Our analysis demonstrated that AR delivers prognostic information overall, serving as a positive prognostic factor in early stage BC. Further studies are needed to delineate its prognostic impact within the different subtypes of the disease. [Table: see text]


2021 ◽  
Vol 39 (15_suppl) ◽  
pp. e24050-e24050
Author(s):  
Heeju Kim ◽  
Sun-Ok Jung ◽  
Esther Kim ◽  
Ivo Abraham

e24050 Background: Subjective cognitive impairment (SCI) is one of the most commonly occurring symptoms in breast cancer patients. Chemotherapy (CTX) may be an important contributing factor to SCI, yet its association with SCI has been inconclusive. The meta-analysis with longitudinal data can provide more conclusive evidence as to the impact of CTX on SCI. This meta-analysis aimed to (a) determine whether CTX is associated with time-dependent SCI outcomes in breast cancer patients with pooled longitudinal data and (b) identify at the time point with the highest impact of CTX on SCI. Methods: Data were collected from Pubmed, EMBASE, CINAHL, PsychInfo, and the Cochrane library in November 2020. Effect sizes (Hedges’ g) were calculated for the mean differences of the SCI level between the CTX treated patients and controls. Data were analyzed by and across clinical time periods; during CTX, within 1-month-post CTX, within 1-year-post CTX, and 1-year or longer post-CTX. Results: The longitudinal data were pooled with 9 data sets from 13 studies, including 857 patients treated by CTX, 410 patients not treated by CTX, and 517 healthy subjects. At baseline, CTX patients showed significantly better SCI compared to the non-CTX patient controls (ES=0.17, p=.031) and did not differ from healthy controls (ES = -0.04, p = .77). The CTX-treated patients had significantly worse SCI compared to both type of controls after initiating CTX. The effect sizes for the group differences were larger for the group comparison with healthy controls than the non-CTX control (- 0.16 for the comparison with non-CTX control, -0.51 for comparison with the healthy control). The largest time effect was found at the time point of within 1-month-post CTX in comparison with the healthy control (- 0.81). Conclusions: Our analysis indicated the association of CTX with SCI. Yet, more studies are needed to confirm the impact of CTX as (a) the effect size for the comparison with non-CTX control is very small and (b) limited data on the comparison with controls at the time point during active CTX and immediately after CTX. [Table: see text]


2008 ◽  
Vol 35 (1) ◽  
pp. 116-122 ◽  
Author(s):  
Kerry S. Courneya ◽  
Donald C. McKenzie ◽  
Robert D. Reid ◽  
John R. Mackey ◽  
Karen Gelmon ◽  
...  

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