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Use of nonsteroidal anti-inflammatory drugs and risk of ovarian and endometrial cancer: the Multiethnic Cohort.


ABSTRACT:

Background

Chronic inflammation may play an etiologic role in ovarian and endometrial cancer, and it is hypothesized that nonsteroidal anti-inflammatory drugs (NSAID) decrease the risk of developing these malignancies. No prospective study with a large multiethnic population has explored this hypothesis.

Methods

We investigated whether NSAID use was associated with risks of ovarian and endometrial cancer in the Multiethnic Cohort Study. Medication use of at least twice a week for ≥1 month was assessed at baseline. Multivariable relative risks (RR) and 95% confidence intervals (CI) were estimated using Cox proportional hazards models.

Results

During 13.3 years of follow-up, 275 ovarian and 620 endometrial incident cases were identified among approximately 64,000 women included in this analysis (16.5% African Americans, 30.8% Japanese, 7.7% Native Hawaiians, 18.9%, Latinas, and 26.0% whites). The RR (95% CI) for ovarian cancer associated with aspirin, non-aspirin NSAIDs, and acetaminophen were 0.87 (0.68-1.14), 0.97 (0.74-1.26), and 0.86 (0.67-1.12), respectively. The RR (95% CI) for endometrial cancer associated with aspirin, non-aspirin NSAIDs, and acetaminophen were 0.93 (0.79-1.10), 0.88 (0.74-1.05), and 0.96 (0.81-1.13), respectively. No heterogeneity across ethnic groups (P ≥ 0.29) or dose-response relation with increased duration of use (P(trend) ≥ 0.16) was observed. The results did not differ by tumor histology.

Conclusions

We found no compelling evidence to support an association between the use of NSAIDs and risk of ovarian and endometrial cancers in a multiethnic population.

Impact

It is unlikely that NSAID is involved in the etiology of endometrial and ovarian cancer.

SUBMITTER: Setiawan VW 

PROVIDER: S-EPMC3436975 | biostudies-literature | 2012 Sep

REPOSITORIES: biostudies-literature

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Publications

Use of nonsteroidal anti-inflammatory drugs and risk of ovarian and endometrial cancer: the Multiethnic Cohort.

Setiawan Veronica Wendy VW   Matsuno Rayna K RK   Lurie Galina G   Wilkens Lynne R LR   Carney Michael E ME   Henderson Brian E BE   Kolonel Laurence N LN   Goodman Marc T MT  

Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 20120604 9


<h4>Background</h4>Chronic inflammation may play an etiologic role in ovarian and endometrial cancer, and it is hypothesized that nonsteroidal anti-inflammatory drugs (NSAID) decrease the risk of developing these malignancies. No prospective study with a large multiethnic population has explored this hypothesis.<h4>Methods</h4>We investigated whether NSAID use was associated with risks of ovarian and endometrial cancer in the Multiethnic Cohort Study. Medication use of at least twice a week for  ...[more]

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