期刊
CANCER EPIDEMIOLOGY BIOMARKERS & PREVENTION
卷 23, 期 1, 页码 160-171出版社
AMER ASSOC CANCER RESEARCH
DOI: 10.1158/1055-9965.EPI-13-0181
关键词
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资金
- INHANCE Pooled data project [R03CA113157 (NCI), R03DE016611(NIDCR)]
- Intramural Research Program of the National Cancer Institute
- NIH [R01DE021395 (NIDCR)]
- Study specific funding: Seattle (Schwartz) study: NIH [R01CA048996, R01DE012609]
- Tampa study: NIH [P01CA068384, K07CA104231, R01DE013158]
- Los Angeles study: NIH [P50CA090388, R01DA011386, R03CA077954, T32CA009142, U01CA096134, R21ES011667]
- Alper Research Program for Environmental Genomics of the UCLA Jonsson Comprehensive Cancer Center
- Houston study: NIH [R01ES011740, R01CA100264]
- Latin America Study: Fondo para la Investigacion Cientifica y Tecnologica (FONCYT) Argentina, IMIM (Barcelona)
- Fundacao de Amparo a Pesquisa no Estado de Sao Paulo (FAPESP) [01/01768-2]
- European Commission [IC18-CT97-0222]
- Boston study: NIH [R01CA078609, R01CA100679]
- Seattle: NIH [R01CA030022]
- Baltimore (HOTSPOT
- Johns Hopkins Richard Gelb Cancer Prevention Award)
- North Carolina study: National Cancer Institute [R01-CA90731]
- EUNICE KENNEDY SHRIVER NATIONAL INSTITUTE OF CHILD HEALTH & HUMAN DEVELOPMENT [R24HD050924] Funding Source: NIH RePORTER
- NATIONAL CANCER INSTITUTE [P50CA090388, R01CA100264, K07CA104231, R03CA077954, T32CA009142, R01CA090731, R01CA048996, P01CA068384, R03CA113157, R01CA078609, P30CA086862, R01CA100679, U01CA096134, P30CA016672, R01CA030022] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE OF DENTAL & CRANIOFACIAL RESEARCH [R01DE021395] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE OF DENTAL &CRANIOFACIAL RESEARCH [R01DE013158, R01DE012609, R03DE016611] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE OF ENVIRONMENTAL HEALTH SCIENCES [R01ES011740, R21ES011667] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE ON DRUG ABUSE [R01DA011386] Funding Source: NIH RePORTER
Background: The incidence of oropharyngeal and oral tongue cancers has increased over the last 20 years which parallels increased use of marijuana among individuals born after 1950. Methods: A pooled analysis was conducted comprising individual-level data from nine case-control studies from the United States and Latin America in the INHANCE consortium. Self-reported information on marijuana smoking, demographic, and behavioral factors was obtained from 1,921 oropharyngeal cases, 356 oral tongue cases, and 7,639 controls. Results: Compared with never marijuana smokers, ever marijuana smokers had an elevated risk of oropharyngeal [adjusted OR (aOR), 1.24; 95% confidence interval (CI): 1.06-1.47] and a reduced risk of oral tongue cancer (aOR, 0.47; 95% CI, 0.29, 0.75). The risk of oropharyngeal cancer remained elevated among never tobacco and alcohol users. The risk of oral tongue cancer was reduced among never users of tobacco and alcohol. Sensitivity analysis adjusting for potential confounding by HPV exposure attenuated the association of marijuana use with oropharyngeal cancer (aOR, 0.99; 95% CI, 0.71-1.25), but had no effect on the oral tongue cancer association. Conclusions: These results suggest that the association of marijuana use with head and neck carcinoma may differ by tumor site. Impact: The associations of marijuana use with oropharyngeal and oral tongue cancer are consistent with both possible pro-and anticarcinogenic effects of cannabinoids. Additional work is needed to rule out various sources of bias, including residual confounding by HPV infection and misclassification of marijuana exposure. (C) 2013 AACR.
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