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  • METAANALYSIS  (5)
  • 1
    Keywords: FOLLOW-UP ; COHORT ; MORTALITY ; BLOOD-PRESSURE ; DIABETES-MELLITUS ; METAANALYSIS ; BODY-MASS INDEX ; CUTANEOUS MALIGNANT-MELANOMA ; BASAL-CELL CARCINOMA ; REGRESSION DILUTION
    Abstract: Background Little is known about the associations of metabolic aberrations with malignant melanoma (MM) and nonmelanoma skin cancer (NMSC). Objectives To assess the associations between metabolic factors (both individually and combined) and the risk of skin cancer in the large prospective Metabolic Syndrome and Cancer Project (Me-Can). Methods During a mean follow-up of 12 years of the Me-Can cohort, 1728 (41% women) incident MM, 230 (23% women) fatal MM and 1145 (33% women) NMSC were identified. Most NMSC cases (76%) were squamous cell carcinoma (SCC) (873, 33% women). Hazard ratios (HRs) were estimated by Cox proportional hazards regression for quintiles and standardized z-scores (with a mean of 0 and SD of 1) of body mass index (BMI), blood pressure, glucose, cholesterol, triglycerides and for a combined metabolic syndrome score. Risk estimates were corrected for random error in the measurements. Results Blood pressure per unit increase of z-score was associated with an increased risk of incident MM cases in men and women [HR 1.17, 95% confidence interval (CI) 1.04-1.31 and HR 1.18, 95% CI 1.03-1.36, respectively] and fatal MM cases among women (HR 2.39, 95% CI 1.58-3.64). In men, all quintiles for BMI above the reference were associated with a higher risk of incident MM. In women, SCC NMSC risk increased across quintiles for glucose levels (P-trend 0.02) and there was a trend with triglyceride concentration (P-trend 0.09). Conclusion These findings suggest that mechanisms linked to blood pressure may be involved in the pathogenesis of MM. SCC NMSC in women could be related to glucose and lipid metabolism.
    Type of Publication: Journal article published
    PubMed ID: 22530854
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  • 2
    Keywords: COHORT ; EPIDEMIOLOGY ; WOMEN ; COUNTRIES ; DIET ; DRINKING ; CELL CARCINOMA ; METAANALYSIS ; KIDNEY CANCER ; FLUID INTAKE
    Abstract: Epidemiologic studies have reported that moderate alcohol consumption is inversely associated with the risk of renal cancer. However, there is no information available on the associations in renal cancer subsites. From 1992 through to 2010, 477,325 men and women in the European Prospective Investigation into Cancer and Nutrition cohort were followed for incident renal cancers (n = 931). Baseline and lifetime alcohol consumption was assessed by country-specific, validated dietary questionnaires. Information on past alcohol consumption was collected by lifestyle questionnaires. Hazard ratios (HRs) and 95% confidence intervals (CIs) were estimated from Cox proportional hazard models. In multivariate analysis, total alcohol consumption at baseline was inversely associated with renal cancer; the HR and 95% CI for the increasing categories of total alcohol consumption at recruitment versus the light drinkers category were 0.78 (0.62-0.99), 0.82 (0.64-1.04), 0.70 (0.55-0.90), 0.91 (0.63-1.30), respectively, (ptrend = 0.001). A similar relationship was observed for average lifetime alcohol consumption and for all renal cancer subsites combined or for renal parenchyma subsite. The trend was not observed in hypertensive individuals and not significant in smokers. In conclusion, moderate alcohol consumption was associated with a decreased risk of renal cancer.
    Type of Publication: Journal article published
    PubMed ID: 25866035
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  • 3
    Keywords: CANCER ; carcinoma ; COHORT ; EPIDEMIOLOGY ; RISK ; OBESITY ; HUMAN-PAPILLOMAVIRUS ; cholesterol ; METAANALYSIS ; VULVAR CANCER ; COMPLETENESS ; REGRESSION DILUTION ; COFACTORS ; MetS ; rare gynecological cancers
    Abstract: Background: Risk factors for rare gynecological cancers are largely unknown. Initial research has indicated that the metabolic syndrome (MetS) or individual components could play a role. Materials and methods: The Metabolic syndrome and Cancer project cohort includes 288 834 women. During an average follow-up of 11 years, 82 vulvar, 26 vaginal and 43 other rare gynecological cancers were identified. Hazard ratios (HRs) were estimated fitting Cox proportional hazards regression models for tertiles and standardized z-scores [with a mean of 0 and a standard deviation (SD) of 1] of body mass index (BMI), blood pressure, glucose, cholesterol, triglycerides and MetS. Risk estimates were corrected for random error in the measurement of metabolic factors. Results: The MetS was associated with increased risk of vulvar [HR 1.78, 95% confidence interval (CI) 1.30-2.41) and vaginal cancer (HR 1.87, 95% CI 1.07-3.25). Among separate MetS components, 1 SD increase in BMI was associated with overall risk (HR 1.43, 95% CI 1.23-1.66), vulvar (HR 1.36, 95% CI 1.11-1.69) and vaginal cancer (HR 1.79, 95% CI 1.30-2.46). Blood glucose and triglyceride concentrations were associated with increased risk of vulvar cancer (HR 1.98, 95% CI 1.10-3.58 and HR 2.09, 95% CI 1.39-3.15, respectively). Conclusion: The results from this first prospective study on rare gynecological cancers suggest that the MetS and its individual components may play a role in the development of these tumors
    Type of Publication: Journal article published
    PubMed ID: 20966183
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  • 4
    Keywords: CANCER ; BLOOD ; FOLLOW-UP ; CANCER MORTALITY ; COHORT ; DEATH ; DISEASE ; incidence ; MORTALITY ; RISK ; RISKS ; IMPACT ; RISK-FACTORS ; BIOMARKERS ; ASSOCIATION ; BREAST ; breast cancer ; BREAST-CANCER ; prevention ; HEALTH ; AGE ; WOMEN ; OBESITY ; SWEDEN ; cancer risk ; HYPERTENSION ; PROJECT ; body mass index ; POSTMENOPAUSAL WOMEN ; ONCOLOGY ; REGRESSION ; WEIGHT ; CARDIOVASCULAR-DISEASE ; METAANALYSIS ; biomarker ; methods ; metabolic syndrome ; blood pressure ; CANCER INCIDENCE ; PREMENOPAUSAL ; INCREASED RISK ; CANCER-RISK ; CANCER-MORTALITY ; BODY-MASS ; breast cancer risk ; INTERVENTIONS ; COMPLETENESS ; REGRESSION DILUTION
    Abstract: Background: Few studies have assessed the metabolic syndrome (MetS) as an entity in relation to breast cancer risk, and results have been inconsistent. We aimed to examine the association between MetS factors (individually and combined) and risk of breast cancer incidence and mortality. Methods: Two hundred ninety thousand women from Austria, Norway, and Sweden were enrolled during 1974-2005, with measurements of height, weight, blood pressure, and levels of glucose, cholesterol, and triglycerides. Relative risks (RR) of breast cancer were estimated using Cox proportional hazards regression for each MetS factor in quintiles and for standardized levels (z-scores) and for a composite z-score for the MetS. Results: There were 4,862 incident cases of breast cancer and 633 deaths from breast cancer identified. In women below age 50, there was a decreased risk of incident cancer for the MetS (per 1-unit increment of z-score; RR, 0.83; 95% confidence interval, 0.76-0.90) as well as for the individual factors (except for glucose). The lowest risks were seen among the heaviest women. In women above age 60, there was an increased risk of breast cancer mortality for the MetS (RR, 1.23; 95% confidence interval, 1.04-1.45) and for blood pressure and glucose. The strongest association with mortality was seen for increased glucose concentrations. Conclusions: The MetS was associated with a decreased risk of incident breast cancer in women below age 50 with high body mass index, and with an increased risk of breast cancer mortality in women above 60. Impact: Lifestyle interventions as recommended for cardiovascular disease prevention may be of value to prevent breast cancer mortality in postmenopausal women. Cancer Epidemiol Biomarkers Prev; 19(7); 1737-45. (C) 2010 AACR
    Type of Publication: Journal article published
    PubMed ID: 20615887
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  • 5
    Keywords: CANCER ; COHORT ; cohort studies ; EPIDEMIOLOGY ; RISK ; ASSOCIATION ; WOMEN ; OBESITY ; cholesterol ; BLOOD-PRESSURE ; ADULTS ; METAANALYSIS ; blood pressure ; BODY-MASS INDEX ; OVERWEIGHT ; colorectal neoplasms ; INDIVIDUAL DATA ; blood glucose ; INSULIN-RESISTANCE SYNDROME ; metabolic syndrome X ; REGRESSION DILUTION ; triglycerides ; VASCULAR MORTALITY
    Abstract: BACKGROUND: The metabolic syndrome (MetS) has been related to an increased risk of colorectal cancer, but the modest size of previous studies precluded detailed characterization of the role of individual MetS factors and their interaction on risk. METHODS: In the Metabolic Syndrome and Cancer Project (Me-Can), data on body mass index (BMI), blood pressure, and blood levels of glucose, cholesterol, and triglycerides were available for 578,700 men and women. The mean age of participants at baseline was 44 years, and the mean follow-up was 12 years. Relative risks (RR) of colorectal cancer per 1 standard deviation increment in Z score of factors and for a combined MetS score, were calculated from Cox regression models, including adjustment for potential confounders. RESULTS: During follow-up, 2834 men and 1861 women were diagnosed with colorectal cancer. The RR of colorectal cancer for the MetS score was 1.25 (95% confidence interval [CI], 1.18-1.32) in men, and 1.14 (95% CI, 1.06-1.22) in women. Significant associations also were observed in men for BMI (RR, 1.07; 95% CI, 1.02-1.13), blood pressure (RR, 1.10; 95% CI, 1.02-1.18), and triglycerides (RR, 1.17; 95% CI, 1.06-1.28) and, in women, for BMI (RR, 1.08; 95% CI, 1.01-1.15). There was no significant positive interaction between the metabolic factors on risk. CONCLUSIONS: The combination of metabolic factors and some separate factors was related to an increased risk of colorectal cancer, but there was no interaction between metabolic factors.
    Type of Publication: Journal article published
    PubMed ID: 21171019
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