Joachim Schüz

International Agency for Research on Cancer, Lyons, Rhône-Alpes, France

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Publications (194)727.95 Total impact

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    ABSTRACT: Maternal prenatal supplementation with folic acid and other vitamins has been inconsistently associated with a reduced risk of childhood acute lymphoblastic leukemia (ALL). Little is known regarding the association with acute myeloid leukemia (AML), a rarer subtype.
    Epidemiology (Cambridge, Mass.) 09/2014; · 5.51 Impact Factor
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    ABSTRACT: The incidence of testicular germ cell tumors (TGCT), the most common cancer in men aged 15 to 45 years, has doubled over the last 30 years in developed countries. Reasons remain unclear but a role of environmental factors, especially during critical periods of development, is strongly suspected. Reliable data on environmental exposure during this critical time period are sparse. Little is known on whether it could be a combined effect of early and later-life exposures.
    BMC Cancer 08/2014; 14(1):563. · 3.33 Impact Factor
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    ABSTRACT: Rationale: Previous respiratory diseases have been associated with increased risk of lung cancer. Respiratory conditions often co-occur and few studies have investigated multiple conditions simultaneously. Objectives: Investigate lung cancer risk associated with chronic bronchitis, emphysema, tuberculosis, pneumonia and asthma. Methods and Measurements: The SYNERGY project pooled information on previous respiratory diseases from 12,739 cases and 14,945 controls from 7 case-control studies conducted in Europe and Canada. Multivariate logistic regression models were used to investigate the relationship between individual diseases adjusting for co-occurring conditions, and patterns of respiratory disease diagnoses and lung cancer. Analyses were stratified by sex, and adjusted for age, centre, ever-employed in a high-risk occupation, education, smoking status, cigarette pack-years and time-since quitting smoking. Main Results: Chronic bronchitis and emphysema were positively associated with lung cancer, after accounting for other respiratory diseases and smoking (for example in men OR=1.33; 95% CI 1.20-1.48 and 1.50; 1.21-1.87, respectively). A positive relationship was observed between lung cancer and pneumonia diagnosed 2 or fewer years prior to lung cancer (OR=3.31; 2.33-4.70 for men), but not longer. Co-occurrence of chronic bronchitis, emphysema and pneumonia had a stronger positive association with lung cancer than individual conditions. Asthma had an inverse association with lung cancer, the association being stronger with an asthma diagnosis 5 or more years prior to lung cancer compared to shorter. Conclusions: Findings from this large international case-control consortium indicate that after accounting for co-occurring respiratory diseases, chronic bronchitis and emphysema continue to have a positive association with lung cancer.
    American Journal of Respiratory and Critical Care Medicine 07/2014; · 11.04 Impact Factor
  • Epidemiology (Cambridge, Mass.) 07/2014; 25(4):618. · 5.51 Impact Factor
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    ABSTRACT: Recent analyses of long-term trends in respirable dust and quartz concentrations from the long term monitoring program of the European Industrial Minerals Association (IMA-Europe) Dust Monitoring Program (covering the years 2000-2013) showed striking downward temporal trends in exposure which came to a halt at around the year 2009. Careful analyses and discussion with occupational health and safety representatives pointed at a direct detrimental effect of the current economic crisis on measured concentrations. This observation led us to hypothesise that similar disruptions of downward temporal trends in occupational exposures might also be visible in other large databases with longitudinal exposure measurements.
    Occupational and environmental medicine. 06/2014; 71 Suppl 1:A48.
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    ABSTRACT: Assess exposures to occupational carcinogens in Qatar
    Occupational and environmental medicine. 06/2014; 71 Suppl 1:A45-6.
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    ABSTRACT: Explore quantitative exposure-response association for exposure to asbestos, crystalline silica, nickel, chromium and polycyclic aromatic hydrocarbons in the general population; further study effects on specific cell types and potential interaction with smoking and co-occurring occupational exposures.
    Occupational and environmental medicine. 06/2014; 71 Suppl 1:A46-7.
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    ABSTRACT: Germany has one of the highest age-adjusted mesothelioma mortality rates worldwide. As mesothelioma occurs ≥30 years after asbestos exposure, contemporary rates likely reflect exposures in the 1960-1970s. During this period, political division between West and East Germany led to differences regarding the import and consumption of asbestos. It is unclear whether mesothelioma rates also differ between these formerly separate countries which are now served by similar health and mortality reporting systems, thereby facilitating regional comparisons. We examined regional, temporal, and sex variations in mesothelioma mortality rates in Germany in 2000-2010, collapsing the federal states into West Germany, East Germany, and Berlin. We calculated truncated (≥40 years) age-standardized mesothelioma mortality rates (ASRs40+) per 100,000 person-years, estimated sex-stratified mortality rate ratios (MRRs) (95 % confidence intervals (CIs)), adjusted for age and calendar year from Poisson models, and fitted age-period-cohort models. There were 12,854 mesothelioma deaths at ages ≥ 40 years in Germany during 2000-2010. ASRs40+ were higher in West (males 4.4; females 0.8) than East (males 1.7; females 0.6) Germany. MRRs for West versus East Germany were 2.68 (95 % CI 2.48-2.88) among males and 1.42 (95 % CI 1.27-1.59) among females. In both regions, mortality rates increased for birth cohorts until the mid 1940s and subsequently declined. The country's peak mesothelioma burden is predicted to occur by 2020. Geographical differences in mesothelioma mortality rates are consistent with heterogeneous historical asbestos exposures. Differences may exist for other asbestos-related cancers and should be investigated in analytic studies with individual asbestos exposure information.
    Cancer Causes and Control 03/2014; · 3.20 Impact Factor
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    ABSTRACT: A number of epidemiological studies indicate an inverse association between atopy and brain tumors in adults, particularly gliomas. We investigated the association between atopic disorders and intracranial brain tumors in children and adolescents, using international collaborative CEFALO data. CEFALO is a population-based case-control study conducted in Denmark, Norway, Sweden, and Switzerland, including all children and adolescents in the age range 7-19 years diagnosed with a primary brain tumor between 2004 and 2008. Two controls per case were randomly selected from population registers matched on age, sex, and geographic region. Information about atopic conditions and potential confounders was collected through personal interviews. In total, 352 cases (83%) and 646 controls (71%) participated in the study. For all brain tumors combined, there was no association between ever having had an atopic disorder and brain tumor risk [odds ratio 1.03; 95% confidence interval (CI) 0.70-1.34]. The OR was 0.76 (95% CI 0.53-1.11) for a current atopic condition (in the year before diagnosis) and 1.22 (95% CI 0.86-1.74) for an atopic condition in the past. Similar results were observed for glioma. There was no association between atopic conditions and risk of all brain tumors combined or of glioma in particular. Stratification on current or past atopic conditions suggested the possibility of reverse causality, but may also the result of random variation because of small numbers in subgroups. In addition, an ongoing tumor treatment may affect the manifestation of atopic conditions, which could possibly affect recall when reporting about a history of atopic diseases. Only a few studies on atopic conditions and pediatric brain tumors are currently available, and the evidence is conflicting.
    Annals of Oncology 03/2014; · 7.38 Impact Factor
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    ABSTRACT: Maternal occupational pesticide exposure during pregnancy and/or paternal occupational pesticide exposure around conception have been suggested to increase risk of leukemia in the offspring. With a view to providing insight in this area we pooled individual level data from 13 case-control studies participating in the Childhood Leukemia International Consortium (CLIC). Occupational data were harmonized to a compatible format. Pooled individual analyses were undertaken using unconditional logistic regression. Using exposure data from mothers of 8,236 cases, and 14,850 controls, and from fathers of 8,169 cases and 14,201 controls the odds ratio (OR) for maternal exposure during pregnancy and the risk of acute lymphoblastic leukemia (ALL) was 1.01 (95% confidence interval (CI) 0.78, 1.30) and for paternal exposure around conception 1.20 (95% 1.06, 1.38). For acute myeloid leukemia (AML), the OR for maternal exposure during pregnancy was 1.94 (CI 1.19, 3.18) and for paternal exposure around conception 0.91 (CI 0.66, 1.24.) based on data from 1,329 case and 12,141 control mothers, and 1,231 case and 11,383 control fathers. Our finding of a significantly increased risk of AML in the offspring with maternal exposure to pesticides during pregnancy is consistent with previous reports. We also found a slight increase in risk of ALL with paternal exposure around conception which appeared to be more evident in children diagnosed at the age of five years or more and those with T cell ALL which raises interesting questions on possible mechanisms. © 2014 Wiley Periodicals, Inc.
    International Journal of Cancer 03/2014; · 6.20 Impact Factor
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    ABSTRACT: Advanced stage at diagnosis contributes to low breast cancer survival rates in sub-Saharan Africa. Living far from health services is known to delay presentation, but the effect of distance, the radius at which the effect sets in and the women most affected has not been quantified. In a peri-urban South African setting, we examined the effect of a GIS-measured straight-line distance, from a patient's residence to diagnostic hospital, on stage at diagnosis in 1071 public-sector breast cancer patients diagnosed during 2006-12. Generalized linear models were used to estimate risk ratios for late stage (stage III/IV vs stage I/II) associated with distance, adjusting for year of diagnosis, age, race and socioeconomic indicators. Mean age of patients was 55 years, 90% were Black African, and diagnoses were at stages I (5%), II (41%), III (46%) and IV (8%). 62% of patients with distances >20 km (n=347) had a late stage at diagnosis compared to 50% with distances <20 km (n=724, p=0.02). Risk of late stage at diagnosis was 1.25-fold higher (95% CI: 1.09, 1.42) per 30 km. Effects were pronounced in an under-represented group of patients over age 70. This positive stage-distance association held to 40 km, and plateaued or slightly reversed in patients (9%) living beyond this distance. Studies of woman and the societal and healthcare-level influences on these delays and on the late stage at diagnosis distribution are needed to inform interventions that improve diagnostic stage and breast cancer survival rates in this and similar settings. © 2014 Wiley Periodicals, Inc.
    International Journal of Cancer 03/2014; · 6.20 Impact Factor
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    ABSTRACT: Testicular germ cell tumors (TGCT) represent the most frequent cancer in men aged between 15 and 45 years. Current hypotheses are focusing on environmental exposures occurring during prenatal periods. However, very few studies have explored intra-uterine environmental exposure related to TGCT. TESTEPERA is a pilot case-control study aiming to determine the effectiveness of different recruitment approaches in the French context and to verify our ability to collect relevant data on their prenatal periods. Between 2011 and 2012, 150 male subjects were contacted in the Rhône-Alpes region (58 cases from a cancer center and 92 controls from a regional maternity). Participation rate varied from 33% for cases diagnosed in 2008 vs 68% for cases diagnosed in 2010. Participation rate of controls varied depending on modalities of contact (13% for face-to-face recruitment; 0% for contact by phone only; 50% for face-to-face contact with phone reminder). Data collection allowed precise job identification and geolocation of subjects' addresses. Precision of geolocation was dependent upon the level of urbanization (p < 0.001) but not on the time period (p = 0.52). Our results support the feasibility of a case-control study focusing on the relation between TGCT and environmental pesticide exposures during early and later life.
    Bulletin du cancer 03/2014; 101(3):225-235. · 0.61 Impact Factor
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    ABSTRACT: Sex, age, immunophenotype and white blood cell count at diagnosis are well accepted predictors of survival from acute lymphoblastic leukaemia (ALL) in children. Less is known about the relationship between socio-economic determinants and survival from paediatric ALL, studied here for the first time in German children. ALL cases were diagnosed between 1992 and 1994 and their parents interviewed during a previous nationwide case-control study. Children were followed-up for 10years after diagnosis by the German Childhood Cancer Registry. Cox proportional hazards models estimating hazard ratios (HRs) were calculated to assess the impact of selected socio-demographic characteristics on overall and event-free survival. Overall survival was 82.5%, with a higher proportion of girls than boys surviving (85% versus 81%). We found a non-linear relationship between age at diagnosis and survival, with poorer survival in infants and children aged >5years. There was no association between socio-economic factors and survival or risk of relapse. For five levels of increasing family income, all HRs were close to one. No relationship was seen with parental educational level. Socio-economic determinants did not affect ALL survival in West German children, in contrast to studies from some other countries. Dissimilarities in social welfare systems, including access to health care, lifestyle and differences in treatment may contribute to these differences in findings. Our observation of no social inequalities in paediatric ALL survival is reassuring, but needs continued monitoring to assess the potential impact of evolvement of treatment options and changes in paediatric health service.
    European journal of cancer (Oxford, England: 1990) 02/2014; · 4.12 Impact Factor
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    ABSTRACT: •Workshop of cancer research needs in people living by South Africa gold mine tailings.•Environmental measures indicate uranium contamination around gold mine tailings.•Epidemiologic research of human exposures to gold mine tailings currently lacking.•Well-designed epidemiologic studies with individual exposure and outcome data needed.
    Cancer Epidemiology. 01/2014;
  • Epidemiology (Cambridge, Mass.) 01/2014; 25(1):23-7. · 5.51 Impact Factor
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    ABSTRACT: Bricklayers may be exposed to several lung carcinogens, including crystalline silica and asbestos. Previous studies that analyzed lung cancer risk among these workers had several study design limitations. We examined lung cancer risk among bricklayers within SYNERGY, a large international pooled analysis of case–control studies on lung cancer and the joint effects of occupational carcinogens. For men ever employed as bricklayers we estimated odds ratios (OR) and 95% confidence intervals (CI) adjusted for study center, age, lifetime smoking history and employment in occupations with exposures to known or suspected lung carcinogens. Among 15,608 cases and 18,531 controls, there were 695 cases and 469 controls who had ever worked as bricklayers (OR: 1.47; 95% CI: 1.28–1.68). In studies using population controls the OR was 1.55 (95% CI: 1.32–1.81, 540/349 cases/controls), while it was 1.24 (95% CI: 0.93–1.64, 155/120 cases/controls) in hospital-based studies. There was a clear positive trend with length of employment (p < 0.001). The relative risk was higher for squamous (OR: 1.68, 95% CI: 1.42–1.98, 309 cases) and small cell carcinomas (OR: 1.78, 95% CI: 1.44–2.20, 140 cases), than for adenocarcinoma (OR: 1.17, 95% CI: 0.95–1.43, 150 cases) (p-homogeneity: 0.0007). ORs were still elevated after additional adjustment for education and in analyses using blue collar workers as referents. This study provided robust evidence of increased lung cancer risk in bricklayers. Although non-causal explanations cannot be completely ruled out, the association is plausible in view of the potential for exposure to several carcinogens, notably crystalline silica and to a lesser extent asbestos.
    International Journal of Cancer 01/2014; · 6.20 Impact Factor
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    ABSTRACT: Testicular cancer mainly affects White Caucasian populations, accounts for 1% of all male cancers, and is frequently the most common malignancy among young adult men. In light of the escalating rates of testicular cancer incidence in Europe, and in support of future planning to ensure optimal care of patients with what can be a curable disease, we predict the future burden in 40 European countries around 2025. Current observed trends were extrapolated with The prediction package NORDPRED model to estimate the future burden of testicular cancer in the context of changes in risk versus changes in demographics. Despite substantial heterogeneity in the rates, the vast majority of European countries will see an increasing burden over the next two decades. We estimate there will be 23,000 new cases of testicular cancer annually in Europe by 2025, a rise of 24% from 2005. Some of the most rapid increases in testicular cancer are observed in Croatia, Slovenia, Italy and Spain, and a transition is underway, whereby recent attenuations and declines in rates in certain high-risk countries in Northern Europe contrast with the increasing trends and escalating burden in Southern Europe. According to our estimates for 2025, around one in 100 men will be diagnosed with the disease annually in the highest risk countries of Europe (Croatia, Slovenia and Norway). Elucidating the key determinants of testicular cancer and the equitable provision of optimal care for patients across Europe are priorities given the steady rise in the number of patients by 2025, and an absence of primary prevention opportunities. None.
    European journal of cancer (Oxford, England: 1990) 12/2013; · 4.12 Impact Factor
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    ABSTRACT: The indiscriminate use of the cumulative exposure metric (the product of intensity and duration of exposure) might bias reported associations between exposure to hazardous agents and cancer risk. To assess the independent effects of duration and intensity of exposure on cancer risk, we explored effect modification of the association of cumulative exposure and cancer risk by intensity of exposure. We applied a flexible excess odds ratio model that is linear in cumulative exposure but potentially nonlinear in intensity of exposure to 15 case-control studies of cigarette smoking and lung cancer (1985-2009). Our model accommodated modification of the excess odds ratio per pack-year of cigarette smoking by time since smoking cessation among former smokers. We observed negative effect modification of the association of pack-years of cigarette smoking and lung cancer by intensity of cigarette smoke for persons who smoked more than 20-30 cigarettes per day. Patterns of effect modification were similar across individual studies and across major lung cancer subtypes. We observed strong negative effect modification by time since smoking cessation. Application of our method in this example of cigarette smoking and lung cancer demonstrated that reducing a complex exposure history to a metric such as cumulative exposure is too restrictive.
    American journal of epidemiology 12/2013; · 5.59 Impact Factor
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    ABSTRACT: Epidemiological studies have found an association between exposure to extremely low-frequency magnetic fields (ELF-MF) and childhood leukemia. In 2005, a large British study showed an association between proximity of residence to high-voltage power lines and the risk of childhood leukemia. The association extended beyond distances at which the 'power line'-induced magnetic fields exceed background levels, suggesting that the association was not explained by the magnetic field, but might be due to chance, bias, or other risk factors associated with proximity to power lines. Our aim was to conduct a comparable study in an independent setting (Denmark). We included 1,698 cases aged <15, diagnosed with leukemia during 1968-2006, from the Danish Cancer Registry and 3,396 controls randomly selected from the Danish childhood population and individually matched by gender and year of birth. We used geographical information systems to determine the distance between residence at birth and the nearest 132-400 kV overhead power line. Odds ratios (ORs) were 0.76 [95 % confidence interval (CI) 0.40-1.45] for children who lived 0-199 m from the nearest power line and 0.92 (95 % CI 0.67-1.25) for those who lived 200-599 m away when compared with children who lived ≥600 m away. When restricting the analysis to 220 and 400 kV overhead power lines, the OR for children who lived 200-599 m from a power line was 1.76 (95 % CI 0.82-3.77) compared to children who lived ≥600 m away. However, chance is a likely explanation for this finding as the result was not significant, numbers were small, and there were no indications of an higher risk closer to the lines since no cases were observed within 200 m of these. We found no higher risk of leukemia for children living 0-199 m or for children living 200-599 m of a 132-400 kV overhead power line. A slightly elevated OR for children living between 200 and 599 m of a 220-400 kV overhead power line is likely to be a chance finding.
    Cancer Causes and Control 11/2013; · 3.20 Impact Factor
  • International Journal of Epidemiology 09/2013; · 6.98 Impact Factor

Publication Stats

3k Citations
727.95 Total Impact Points


  • 2010–2014
    • International Agency for Research on Cancer
      • Section of Environment and Radiation
      Lyons, Rhône-Alpes, France
    • Universitätsmedizin der Johannes Gutenberg-Universität Mainz
      Mayence, Rheinland-Pfalz, Germany
    • Rigshospitalet
      • Department of Growth and Reproduction
      Copenhagen, Capital Region, Denmark
  • 2013
    • Ruhr-Universität Bochum
      Bochum, North Rhine-Westphalia, Germany
    • Centre Léon Bérard
      Lyons, Rhône-Alpes, France
  • 2004–2013
    • Danish Cancer Society
      København, Capital Region, Denmark
  • 2012
    • The University of York
      York, England, United Kingdom
  • 2011–2012
    • Swiss Tropical and Public Health Institute
      • Department of Epidemiology and Public Health
      Basel, BS, Switzerland
  • 1998–2012
    • Johannes Gutenberg-Universität Mainz
      • • Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI)
      • • Division of Medical Biometry I
      Mainz, Rhineland-Palatinate, Germany
  • 2009
    • Universität Basel
      Bâle, Basel-City, Switzerland
  • 2007–2009
    • German Cancer Research Center
      • Division of Cancer Epidemiology
      Heidelberg, Baden-Wuerttemberg, Germany
  • 2005–2009
    • Bielefeld University
      • Faculty of Health Science
      Bielefeld, North Rhine-Westphalia, Germany
  • 2008
    • Karolinska Institutet
      • Institutet för miljömedicin - IMM
      Solna, Stockholm, Sweden
  • 2001–2005
    • Deutsche Gesellschaft für Medizinische Informatik, Biometrie und Epidemiologie e.V.
      Mayence, Rheinland-Pfalz, Germany