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Research recommendations for selected IARC-classified agents. Review

: Ward, E.M.; Schulte, P.A.; Straif, K.; Hopf, N.B.; Caldwell, J.C.; Carreon, T.; DeMarini, D.M.; Fowler, B.A.; Goldstein, B.D.; Hemminki, K.; Hines, C.J.; Pursiainen, K.H.; Kuempel, E.; Lewtas, J.; Lunn, R.M.; Lynge, E.; McElvenny, D.M.; Muhle, H.; Nakajima, T.; Robertson, L.W.; Rothman, N.; Ruder, A.M.; Schubauer-Berigan, M.K.; Siemiatycki, J.; Silverman, D.; Smith, M.T.; Sorahan, T.; Steenland, K.; Stevens, R.G.; Vineis, P.; Zahm, S.H.; Zeise, L.; Cogliano, V.J.

Fulltext urn:nbn:de:0011-n-1438942 (212 KByte PDF)
MD5 Fingerprint: 7221dfa6d6079372a28f53a702a52794
Created on: 17.12.2010

Environmental Health Perspectives 118 (2010), No.10, pp.1355-1362
ISSN: 0091-6765
ISSN: 1078-0475
ISSN: 1552-9924
Journal Article, Electronic Publication
Fraunhofer ITEM ()
IARC; mechanisms of carcinogenicity; animal; carcinogen; carcinogenesis; epidemiology; human; occupational diseases - epidemiology

OBJECTIVES: There are some common occupational agents and exposure circumstances for which evidence of carcinogenicity is substantial but not yet conclusive for humans. Our objectives were to identify research gaps and needs for 20 agents prioritized for review based on evidence of widespread human exposures and potential carcinogenicity in animals or humans. DATA SOURCES: For each chemical agent (or category of agents), a systematic review was conducted of new data published since the most recent pertinent International Agency for Research on Cancer (IARC) Monograph meeting on that agent. DATA EXTRACTION: Reviewers were charged with identifying data gaps and general and specific approaches to address them, focusing on research that would be important in resolving classification uncertainties. An expert meeting brought reviewers together to discuss each agent and the identified data gaps and approaches. DATA SYNTHESIS: Several overarching issues were identified that pertained to multiple agents; these included the importance of recognizing that carcinogenic agents can act through multiple toxicity pathways and mechanisms, including epigenetic mechanisms, oxidative stress, and immuno- and hormonal modulation. CONCLUSIONS: Studies in occupational populations provide important opportunities to understand the mechanisms through which exogenous agents cause cancer and intervene to prevent human exposure and/or prevent or detect cancer among those already exposed. Scientific developments are likely to increase the challenges and complexities of carcinogen testing and evaluation in the future, and epidemiologic studies will be particularly critical to inform carcinogen classification and risk assessment processes.