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Breast cancer meta-analysis

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https://read.qxmd.com/read/30782783/the-association-of-foxp3-gene-polymorphisms-with-cancer-susceptibility-a-comprehensive-systemic-review-and-meta-analysis
#1
Yan Chen, Xiaoxue Qi, Ce Bian, Chen Ling, Tao Yi, Xiyan Mu, Xia Zhao
The role of forkhead box P3 (FOXP3) protein in tumorigenesis has long been controversial and existing data on the association between FOXP3 gene polymorphisms and cancer susceptibility were inconsistent. Here, we conducted a meta-analysis to better clarify the relationship. A comprehensive search of studies published from July 2008 to June 2018 was conducted. The statistical analyses of the pooled odds ratios (ORs) and the corresponding 95% confidence intervals (95%CIs) were performed using the Revman 5.2 software...
February 19, 2019: Bioscience Reports
https://read.qxmd.com/read/30780085/physical-activity-in-breast-cancer-survivors-a-systematic-review-and-meta-analysis-on-overall-and-breast-cancer-survival
#2
Maria-Eleni Spei, Evangelia Samoli, Francesca Bravi, Carlo La Vecchia, Christina Bamia, Vassiliki Benetou
AIM: To further quantify the association between physical activity (PA) after breast cancer diagnosis and all-cause mortality, breast cancer mortality and/or breast cancer recurrence. METHODS AND RESULTS: PubMed was searched until November 2017 for observational studies investigating any type of PA in association with total mortality, breast cancer mortality and/or breast cancer recurrence among women with breast cancer diagnosis. Pooled hazard ratios (HRs) and 95% confidence intervals (CIs) were estimated using random-effects models for highest versus lowest categories of PA...
February 12, 2019: Breast: Official Journal of the European Society of Mastology
https://read.qxmd.com/read/30776733/non-pharmacological-therapies-for-depressive-symptoms-in-breast-cancer-patients-systematic-review-and-meta-analysis-of-randomized-clinical-trials
#3
REVIEW
Liliana Coutiño-Escamilla, Maricela Piña-Pozas, Aurelio Tobías Garces, Brenda Gamboa-Loira, Lizbeth López-Carrillo
OBJECTIVE: Depressive symptoms are common comorbidities among breast cancer (BC) patients. Non-pharmacological therapies (NPTs) such as exercise and psychotherapy may reduce depressive symptoms; however, the evidence is inconclusive. The objective of this study is to evaluate if NPTs reduce depressive symptoms among BC patients. METHODS: A systematic review and meta-analysis of randomized clinical trials (RCTs) of NPTs for BC patients were performed. A literature search was conducted from eight databases in English, Portuguese and Spanish from 2006 to 2017...
January 31, 2019: Breast: Official Journal of the European Society of Mastology
https://read.qxmd.com/read/30774382/efficacy-and-safety-of-targeted-therapy-for-metastatic-her2-positive-breast-cancer-in-the-first-line-treatment-a-bayesian-network-meta-analysis
#4
Fubin Feng, Tingting Zhang, Fang Yin, Cun Liu, Jing Zhuang, Lingyu Qi, Xue Wang, Jia Li, Lu Wang, Jinhui Tian, Changgang Sun
Purpose: Numerous HER2-targeted therapy clinical trials have demonstrated efficacy and safety in the first-line treatment of metastatic breast cancer (MBC). However, the direct or indirect comparison of these drugs is unclear. This network meta-analysis can solve this issue to some extent. Materials and methods: PubMed, Embase, and the Cochrane Library were searched for Phase II/III randomized controlled trials (RCTs) on metastatic HER2-positive breast cancer for first-line treatment up to December 16, 2017...
2019: OncoTargets and Therapy
https://read.qxmd.com/read/30771877/the-risk-of-extra-ovarian-malignancies-among-women-with-endometriosis-a-systematic-literature-review-and-meta-analysis
#5
REVIEW
S Gandini, M Lazzeroni, F A Peccatori, B Bendinelli, C Saieva, D Palli, G Masala, S Caini
We conducted a meta-analysis of studies reporting on the risk of extra-ovarian malignancies among women with endometriosis. Summary relative risk (SRR) and 95% confidence intervals (CI) were calculated through random effect models. We explored causes of between-studies heterogeneity and assessed the presence of publication bias. We included 32 studies published between 1989 and 2018. We found an increased risk of endometrial (SRR 1.38, 95%CI 1.10-1.74) and thyroid cancer (SRR 1.38, 95%CI 1.17-1.63), and inverse association with cervical cancer (SRR 0...
February 2019: Critical Reviews in Oncology/hematology
https://read.qxmd.com/read/30764538/health-benefits-of-physical-activity-related-to-an-urban-riverside-regeneration
#6
Cristina Vert, Mark Nieuwenhuijsen, Mireia Gascon, James Grellier, Lora E Fleming, Mathew P White, David Rojas-Rueda
The promotion of physical activity through better urban design is one pathway by which health and well-being improvements can be achieved. This study aimed to quantify health and health-related economic impacts associated with physical activity in an urban riverside park regeneration project in Barcelona, Spain. We used data from Barcelona local authorities and meta-analysis assessing physical activity and health outcomes to develop and apply the "Blue Active Tool". We estimated park user health impacts in terms of all-cause mortality, morbidity (ischemic heart disease; ischemic stroke; type 2 diabetes; cancers of the colon and breast; and dementia), disability-adjusted life years (DALYs) and health-related economic impacts...
February 5, 2019: International Journal of Environmental Research and Public Health
https://read.qxmd.com/read/30762724/association-between-prognosis-and-sema4d-plexin-b1-expression-in-various-malignancies-a-meta-analysis
#7
Yibo Yang, Jing Wang, Hui Li, Lihong Liu, Maojin Yao, Tao Xiao
INTRODUCTION: SEMA4D and its high affinity receptor Plexin-B1 showed a promising prognosis prediction for carcinoma patients in recent studies, we performed a meta-analysis to evaluate the prognostic role of them in various malignancies. METHODS: A systematic literature search was performed in PubMed, Embase, Web of Science, and CNKI from inception till July 2017. Eligible studies were identified by different reviewers. Hazard ratios (HRs)/related ratios (RRs) and their corresponding 95% confidence intervals (CIs) were extracted to investigate the relevance between malignancies prognosis and SEMA4D/Plexin-B1...
February 2019: Medicine (Baltimore)
https://read.qxmd.com/read/30761270/eya2-correlates-with-clinico-pathological-features-of-breast-cancer-promotes-tumor-proliferation-and-predicts-poor-survival
#8
Hanxiao Xu, Ying Jiao, Ming Yi, Weiheng Zhao, Kongming Wu
Eyes absent homolog 2 (EYA2), a transcriptional activator, is pivotal for organ development, but aberrant regulation of EYA2 has been reported in multiple human tumors. However, the role of EYA2 in breast cancer is still lack of full understanding. To explore the biological significance of EYA2 in breast cancer, we conducted data analysis on public breast cancer datasets, and performed immunohistochemistry (IHC) analysis, colony-forming unit assays, EdU assay, western blotting, and immunofluorescence (IF). Meta-analysis showed that EYA2 mRNA expression was correlated with tumor grade, the status of estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER2)...
2019: Frontiers in Oncology
https://read.qxmd.com/read/30739743/increasing-the-dose-intensity-of-chemotherapy-by-more-frequent-administration-or-sequential-scheduling-a-patient-level-meta-analysis-of-37-298-women-with-early-breast-cancer-in-26-randomised-trials
#9
(no author information available yet)
BACKGROUND: Increasing the dose intensity of cytotoxic therapy by shortening the intervals between cycles, or by giving individual drugs sequentially at full dose rather than in lower-dose concurrent treatment schedules, might enhance efficacy. METHODS: To clarify the relative benefits and risks of dose-intense and standard-schedule chemotherapy in early breast cancer, we did an individual patient-level meta-analysis of trials comparing 2-weekly versus standard 3-weekly schedules, and of trials comparing sequential versus concurrent administration of anthracycline and taxane chemotherapy...
February 7, 2019: Lancet
https://read.qxmd.com/read/30733081/large-scale-meta-analysis-of-mutations-identified-in-panels-of-breast-ovarian-cancer-related-genes-providing-evidence-of-cancer-predisposition-genes
#10
REVIEW
Malwina Suszynska, Katarzyna Klonowska, Anna J Jasinska, Piotr Kozlowski
OBJECTIVE: Germline mutations occurring in the highly penetrant genes BRCA1 and BRCA2 are responsible for only certain cases of familial breast cancer (BC) and ovarian cancer (OC). Thus, the use of NGS multi-gene panel (MGP) testing has recently become very popular. METHODS: To estimate a reliable BC and OC risk associated with pathogenic variants in the selected candidate BC/OC predisposition genes, a comprehensive meta-analysis of 48 MGP-based studies analyzing BC/OC patients was conducted...
February 4, 2019: Gynecologic Oncology
https://read.qxmd.com/read/30732167/association-of-serum-adiponectin-with-breast-cancer-a-meta-analysis-of-27-case-control-studies
#11
Zeping Yu, Shenli Tang, Hongbing Ma, Hong Duan, Yong Zeng
BACKGROUND: Emerging published studies have indicated that adiponectin is involved in tumorigenesis of breast cancer. However, the results of available studies were inconsistent. The aim of this updated meta-analysis was to assess the association of adiponectin with breast cancer. MATERIALS AND METHODS: PubMed, EMBASE, Wanfang databases, and the China National Knowledge Infrastructure (CNKI) were systematically searched from inception to June 2018. The mean difference (MD) with 95% confidence interval (CI) were estimated and pooled to investigate the effect sizes...
February 2019: Medicine (Baltimore)
https://read.qxmd.com/read/30732156/combined-effects-of-gstm1-and-gstt1-polymorphisms-on-breast-cancer-risk-a-moose-compliant-meta-analysis-and-false-positive-report-probabilities-test
#12
Li-Feng Miao, Xiao-Yan Wang, Xiang-Hua Ye, Meng-Shen Cui, Xiao-Feng He
Many molecular epidemiology studies have reported an association between the combined effects of glutathione S-transferase M1 (GSTM1) and glutathione S-transferase T1 (GSTT1) polymorphisms on breast cancer risk. However, the results have been controversial.A meta-analysis was performed to clarify this issue.Meta-analysis of observational studies in epidemiology guidelines was used. Pooled the crude odds ratios (ORs) and 95% confidence intervals (CIs) were calculated using a random-effects model or fixed-effects model...
February 2019: Medicine (Baltimore)
https://read.qxmd.com/read/30719136/addition-of-capecitabine-in-breast-cancer-first-line-chemotherapy-improves-survival-of-breast-cancer-patients
#13
Di Xu, Xiu Chen, Xingjiang Li, Zhixiang Mao, Wenjuan Tang, Wei Zhang, Li Ding, Jinhai Tang
Objective: Capecitabine is an antimetabolic fluoropyrimidine deoxynucleoside carbamate drug that can be converted to 5-FU in vivo . Currently, the role of capecitabine in the treatment of advanced breast cancer has been recognized. Also, Several meta-analyses have elucidated the role of capecitabine in the treatment of breast cancer, indicating that taxane-based regimen with capecitabine may be an effective, convenient, and well tolerated regimen in patients with early breast cancer. However, the correlation between capecitabine-based combination first-line chemotherapy and breast cancer survival remains unclear...
2019: Journal of Cancer
https://read.qxmd.com/read/30712099/incidence-and-severity-of-sexual-dysfunction-among-women-with-breast-cancer-a-meta-analysis-based-on-female-sexual-function-index
#14
REVIEW
Liwei Jing, Chao Zhang, Wei Li, Feng Jin, Aiping Wang
PURPOSE: Previous meta-analyses have examined the prevalence of sexual dysfunction among women with cancer, but there is no breast cancer (BC)-specific study. We therefore conducted a meta-analysis to examine the prevalence and severity of female sexual dysfunction (FSD) in women with BC. METHODS: We searched PubMed, Embase, Cochrane Library, CNKI, WanFang Data, and VIP for relevant studies published between April 2000 and January 2017. Data were extracted from studies which assessed FSD prevalence and sexual function in women with BC using the female sexual function index (FSFI)...
February 2, 2019: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://read.qxmd.com/read/30711490/real-world-evidence-was-feasible-for-estimating-effectiveness-of-chemotherapy-in-breast-cancer-a-cohort-study
#15
Ewan Gray, Joachim Marti, David H Brewster, Jeremy C Wyatt, Romain Piaget-Rossel, Peter S Hall
OBJECTIVE: Evidence-based guidelines recommend adjuvant chemotherapy in early stage breast cancer whenever treatment benefit is considered sufficient to outweigh the associated risks. However, many groups of patients were either excluded from or underrepresented in the clinical trials that form the evidence base for this recommendation. This study aims to determine whether using administrative healthcare data - Real World Data (RWD) - and econometric methods for causal analysis to provide 'Real World Evidence' (RWE) are feasible methods for addressing this gap...
January 31, 2019: Journal of Clinical Epidemiology
https://read.qxmd.com/read/30709633/disease-free-survival-as-a-surrogate-for-overall-survival-in-patients-with-her2-positive-early-breast-cancer-in-trials-of-adjuvant-trastuzumab-for-up-to-1-year-a-systematic-review-and-meta-analysis
#16
Everardo D Saad, Pierre Squifflet, Tomasz Burzykowski, Emmanuel Quinaux, Suzette Delaloge, Dimitris Mavroudis, Edith Perez, Martine Piccart-Gebhart, Bryan P Schneider, Dennis Slamon, Norman Wolmark, Marc Buyse
BACKGROUND: Although frequently used as a primary endpoint, disease-free survival has not been validated as a surrogate for overall survival in early breast cancer. We investigated this surrogacy in the adjuvant setting of treatment with anti-HER2 antibodies. METHODS: In a systematic review and meta-analysis, we identified published and non-published randomised controlled trials with completed accrual and available disease-free survival and overall survival results for the intention-to-treat population as of September 2016...
January 29, 2019: Lancet Oncology
https://read.qxmd.com/read/30709340/atm-rs189037-g-a-polymorphism-increased-the-risk-of-cancer-an-updated-meta-analysis
#17
Zhi-Liang Zhao, Lu Xia, Cong Zhao, Jun Yao
BACKGROUND: Rs189037 (G > A) is a functional single nucleotide polymorphism (SNP) in the Ataxia-telangiectasia mutated (ATM) gene that may be associated with the risk of cancer. We performed a meta-analysis to determine whether rs189037 polymorphism influences the occurrence of cancer and examined the relationship between this SNP and the etiology of cancer. METHODS: Case-control studies were retrieved from literature databases in accordance with established inclusion criteria...
February 1, 2019: BMC Medical Genetics
https://read.qxmd.com/read/30707455/diarrhea-with-her2-targeted-agents-in-cancer-patients-a-systematic-review-and-meta-analysis
#18
REVIEW
Jing Li
To fully investigate the diarrhea of human epidermal growth factor receptor 2 (HER2)-targeted agents in cancer patients. The relevant studies of the randomized, controlled trials (RCTs) in cancer patients treated with HER2-targeted agents were retrieved, and the systematic evaluation was conducted. EMBASE, MEDLINE, and PubMed were searched for articles published until August 2018. Forty-two RCTs and 21 633 patients were included. The current meta-analysis suggested that the use of HER2-targeted agents significantly increases the risk of developing all-grade diarrhea (RR, 2...
February 1, 2019: Journal of Clinical Pharmacology
https://read.qxmd.com/read/30702584/the-role-of-the-phosphatase-and-tensin-homolog-status-in-predicting-pathological-complete-response-to-neoadjuvant-anti-her2-therapies-in-her2-positive-primary-breast-cancer-a-meta-analysis
#19
Chi Zhang, Ying Guo, Jiyu Li, Xingsong Tian, Xuening Duan
PURPOSE: The addition of anti-HER2 therapies to neoadjuvant treatment significantly enhances pathological complete response (PCR) rate in patients with human epidermal growth factor receptor 2 (HER2)-positive breast cancer. Selecting patients unlikely to benefit from neoadjuvant anti-HER2 therapies is increasingly important. In this study, we proposed to assess the role of the phosphatase and tensin homolog (PTEN) as a biomarker in predicting PCR to neoadjuvant anti-HER2 therapies by conducting meta-analysis...
February 2019: Medicine (Baltimore)
https://read.qxmd.com/read/30702563/association-of-serum-leptin-with-breast-cancer-a-meta-analysis
#20
Li Gu, Cheng-Di Wang, Chang Cao, Lin-Rui Cai, De-Hua Li, Yu-Zhen Zheng
BACKGROUND: Accumulating evidence has demonstrated that leptin is associated to the tumorigenesis and progression of breast cancer (BC). However, these studies remain inconsistent. Thus, a meta-analysis was conducted to investigate the role of leptin in the patients with BC. METHOD: A systematic search in PubMed, Embase, ISI Web of Science, and Chinese National Knowledge Infrastructure (CNKI) databases was conducted up to September 1, 2017. The standardized mean difference (SMD) with 95% confidence interval (CI) was applied to pool the effect size...
February 2019: Medicine (Baltimore)
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