Browsing by Subject "Meta analysis"
Now showing items 1-20 of 30
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The association between plasminogen activator inhibitor type 1 (PAI-1) levels, PAI-1 4G/5G polymorphism, and myocardial infarction: A mendelian randomization meta-analysis
(2014)Background: The circulating levels of plasminogen activator inhibitor type 1 (PAI-1) are increased in individuals carrying the 4G allele at position -675 of the PAI-1 gene. In turn, overexpression of PAI-1 has been found ...
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Biologic Therapies and Risk of Infection and Malignancy in Patients With Inflammatory Bowel Disease: A Systematic Review and Network Meta-analysis
(2016)Background & Aims Safety issues are a major concern for patients considering treatments for inflammatory bowel disease (IBD). We performed a systematic review and meta-analysis to determine whether biologic agents affect ...
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Bisphosphonate use and risk of colorectal cancer: A systematic review and meta-analysis
(2013)Aim: A growing body of evidence suggests that bisphosphonates may have chemopreventive potential against colorectal cancer. Our aim was to examine this association through a meta-analysis of observational studies. Methods: ...
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Can statin therapy reduce the risk of melanoma? A meta-analysis of randomized controlled trials
(2010)A growing body of literature suggests that statins may have a chemopreventive potential against melanoma through pleiotropic anti-inflammatory, immunomodulatory, and antiangiogenesis mechanisms. Our aim was to examine this ...
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Comparative survival with diverse chemotherapy regimens for cancer of unknown primary site: Multiple-treatments meta-analysis
(2009)Objectives: To synthesize the evidence from randomized controlled trials concerning systemic treatment regimens for patients with cancer of unknown primary site (CUP). Data sources: PubMed and the Cochrane Library Central ...
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Condom effectiveness in reducing heterosexual HIV transmission: a systematic review and meta-analysis of studies on HIV serodiscordant couples
(2016)Objective: This systematic review and meta-analysis aimed to reassess the effectiveness of condoms in reducing heterosexual transmission of HIV. Methods: Medline, Scopus, and the ISI Web of Science databases were searched ...
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Cytokine gene polymorphisms in multiple sclerosis: A meta-analysis of 45 studies including 7379 cases and 8131 controls
(2011)Many environmental and genetic factors have been implicated in the development of multiple sclerosis. However, the aetiology has not been clarified yet. Therefore, using a meta-analytic approach, we tried to probe the ...
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Cytokine gene polymorphisms in periodontal disease: A meta-analysis of 53 studies including 4178 cases and 4590 controls
(2008)Aim: We conducted a systematic review and a meta-analysis, in order to investigate the potential association of cytokine gene polymorphisms with either aggressive or chronic periodontal disease. Material and Methods: A ...
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Effect of hepatitis C virus on immunological and virological responses in HIV-infected patients initiating highly active antiretroviral therapy: A meta-analysis
(2013)Co-infection of human immunodeficiency virus (HIV) with hepatitis C virus (HCV) is rather common. In the era of highly active antiretroviral therapy (HAART), viral hepatitis could result in adverse outcomes in HIV+ patients. ...
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Effects of different chemotherapy regimens on survival for advanced cervical cancer: Systematic review and meta-analysis
(2007)Background: A large number of trials have assessed various chemotherapy regimens for the treatment of advanced cervical cancer, but there is uncertainty about the magnitude of survival benefits. Methods: We searched (last ...
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Fcγ receptor polymorphisms and their association with periodontal disease: A meta-analysis
(2010)Aim: A systematic review and a meta-analysis were conducted in order to investigate the potential association of Fcγ receptor (FcγR) polymorphisms with susceptibility to aggressive and chronic periodontal disease. Materials ...
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Fluorouracil and leucovorin with or without interferon alfa-2a as adjuvant treatment, in patients with high-risk colon cancer. A randomized phase III study conducted by the Hellenic Cooperative Oncology Group
(2000)Background: It has been shown in randomized studies that adjuvant treatment with the combination of fluorouracil (FU) and levamisole reduced the risk of recurrence and deaths of patients with stage III colon cancer. ...
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The GNB3 C825T polymorphism and essential hypertension: A meta-analysis of 34 studies including 14 094 cases and 17 760 controls
(2007)OBJECTIVES: The C825T single nucleotide polymorphism of the G-protein β3 (GNB3) has been implicated in susceptibility to essential hypertension, through the expression of an alternatively spliced truncated variant. In an ...
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Impact of HIV type 1 DNA levels on spontaneous disease progression: A meta-analysis
(2012)Several studies have reported the prognostic strength of HIV-1 DNA with variable results however. The aims of the current study were to estimate more accurately the ability of HIV-1 DNA to predict progression of HIV-1 ...
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Lack of association between the platelet glycoprotein Ia C807T gene polymorphism and coronary artery disease: A meta-analysis
(2007)Background: The platelet-collagen receptor, glycoprotein (GP) la/lla plays a crucial role in the adhesion of platelets to fibrillar collagen, an event contributing to the pathogenesis of thrombosis. The C807T polymorphism ...
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Levels of absolute survival benefit for systemic therapies of advanced cancer: A call for standards
(2003)Research on systemic interventions in patients with advanced stage malignancies should be systematised with an emphasis on the absolute gain in survival for the median patient. Such information is most meaningful with ...
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A method for meta-analysis of case-control genetic association studies using logistic regression
(2007)We propose here a simple and robust approach for meta-analysis of molecular association studies. Making use of the binary structure of the data, and by treating the genotypes as independent variables in a logistic regression, ...
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Mixed-effects poisson regression models for meta-analysis of follow-up studies with constant or varying durations
(2009)We present a framework for meta-analysis of follow-up studies with constant or varying duration using the binary nature of the data directly. We use a generalized linear mixed model framework with the Poisson likelihood ...
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Multiple-treatments meta-analysis of chemotherapy and targeted therapies in advanced breast cancer
(2008)Background: Many systemic nonhormonal regimens have been evaluated across several hundreds of randomized trials in advanced breast cancer. We aimed to quantify the relative merits of these regimens in prolonging survival. ...