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Aspirin and Acetaminophen Use and the Risk of Cervical Cancer.

ABSTRACT: In this study, we investigated whether regular use of aspirin or acetaminophen was associated with risk of cervical cancer in women treated at an American cancer hospital.This case-control study included 328 patients with cervical cancer and 1,312 controls matched on age and decade enrolled. Controls were women suspected of having but not ultimately diagnosed with a neoplasm. Analgesic use was defined as regular (at least once per week for ?6 months), frequent (?7 tablets/week), very long term (?11 years), or frequent, long term (?7 tablets per week for ?5 years).Compared to nonusers, frequent aspirin use was associated with decreased odds of cervical cancer (odds ratio, 0.53; 95% confidence interval, 0.29-0.97). A slightly larger association was observed with frequent, long-term use of aspirin (odds ratio, 0.46; 95% confidence interval, 0.22-0.95). Acetaminophen use was not associated with the risk of cervical cancer.Our findings suggest that frequent and frequent, long-term use of aspirin is associated with decreased odds of cervical cancer. To our knowledge, this is the first US-based study examining these associations. Given the widespread use of nonsteroidal anti-inflammatory drugs and acetaminophen worldwide, further investigations of the possible role of analgesics in cervical cancer, using a larger sample size with better-defined dosing regimens, are warranted.

SUBMITTER: Friel G

PROVIDER: S-EPMC4764061 | biostudies-literature | 2015 Jul

REPOSITORIES: biostudies-literature

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Aspirin and Acetaminophen Use and the Risk of Cervical Cancer.

Friel Grace G Liu Cici S CS Kolomeyevskaya Nonna V NV Hampras Shalaka S SS Kruszka Bridget B Schmitt Kristina K Cannioto Rikki A RA Lele Shashikant B SB Odunsi Kunle O KO Moysich Kirsten B KB

Journal of lower genital tract disease 20150701 3

<h4>Objective</h4>In this study, we investigated whether regular use of aspirin or acetaminophen was associated with risk of cervical cancer in women treated at an American cancer hospital.<h4>Methods</h4>This case-control study included 328 patients with cervical cancer and 1,312 controls matched on age and decade enrolled. Controls were women suspected of having but not ultimately diagnosed with a neoplasm. Analgesic use was defined as regular (at least once per week for ≥6 months), frequent ( ...[more]

PMID: 25856123

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Project description:ImportanceAspirin use reduces the risk of colorectal carcinoma. Experimental evidence implicates a role of RAF kinases in up-regulation of prostaglandin-endoperoxide synthase 2 (PTGS2, cyclooxygenase 2), suggesting that BRAF-mutant colonic cells might be less sensitive to the antitumor effects of aspirin than BRAF-wild-type neoplastic cells.ObjectiveTo examine whether the association of aspirin intake with colorectal cancer risk differs according to status of tumor BRAF oncogene mutation.Design and settingWe collected biennial questionnaire data on aspirin use and followed up participants in the Nurses' Health Study (from 1980) and the Health Professionals Follow-up Study (from 1986) until July 1, 2006, for cancer incidence and until January 1, 2012, for cancer mortality. Duplication-method Cox proportional cause-specific hazards regression for competing risks data was used to compute hazard ratios (HRs) for colorectal carcinoma incidence according to BRAF mutation status.Main outcomes and measuresIncidence of colorectal cancer cases according to tumor BRAF mutation status.ResultsAmong 127,865 individuals, with 3,165,985 person-years of follow-up, we identified 1226 incident rectal and colon cancers with available molecular data. Compared with nonuse, regular aspirin use was associated with lower BRAF-wild-type cancer risk (multivariable HR, 0.73; 95% CI, 0.64 to 0.83; age-adjusted incidence rate difference [RD], -9.7; 95% CI, -12.6 to -6.7 per 100,000 person-years). This association was observed irrespective of status of tumor PTGS2 expression or PIK3CA or KRAS mutation. In contrast, regular aspirin use was not associated with a lower risk of BRAF-mutated cancer (multivariable HR, 1.03; 95% CI, 0.76 to 1.38; age-adjusted, incidence RD, 0.7; 95% CI, -0.3 to 1.7 per 100,000 person-years: P for heterogeneity = .037, between BRAF-wild-type vs BRAF-mutated cancer risks). Compared with no aspirin use, aspirin use of more than 14 tablets per week was associated with a lower risk of BRAF-wild-type cancer (multivariable HR, 0.43; 95% CI, 0.25 to 0.75; age-adjusted incidence RD, -19.8; 95% CI, -26.3 to -13.3 per 100,000 person-years). The relationship between the number of aspirin tablets per week and colorectal cancer risk differed significantly by BRAF mutation status (P for heterogeneity = .005).Conclusions and relevanceRegular aspirin use was associated with lower risk of BRAF-wild-type colorectal cancer but not with BRAF-mutated cancer risk. These findings suggest that BRAF-mutant colon tumor cells may be less sensitive to the effect of aspirin. Given the modest absolute risk difference, further investigations are necessary to determine clinical implications of our findings.

Dataset Information

Aspirin and Acetaminophen Use and the Risk of Cervical Cancer.

Publications

Aspirin and Acetaminophen Use and the Risk of Cervical Cancer.

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