Ovulation-inducing drugs and ovarian cancer risk: results from an extended follow-up of a large United States infertility cohort.
Ovulation-inducing drugs and ovarian cancer risk: results from an extended follow-up of a large United States infertility cohort.
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DOI:
10.1016/j.fertnstert.2013.08.008
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发表时间:
2013-12
影响因子:
6.7
通讯作者:
Brinton, Louise A.
中科院分区:
文献类型:
--
作者:
Trabert, Britton;Lamb, Emmet J.;Scoccia, Bert;Moghissi, Kamran S.;Westhoff, Carolyn L.;Niwa, Shelley;Brinton, Louise A.
To examine the relationship of ovulation-inducing drugs and ovarian cancer. Retrospective cohort study, with additional follow-up since initial report. Five large reproductive endocrinology practices. In a retrospective cohort of 9,825 women evaluated for infertility at five clinical sites in the United States between 1965 and 1988 with follow-up through 2010, we examined the relationship of ovulation-inducing drugs and ovarian cancer (n = 85). None. Hazard rate ratios (RR) and 95% confidence intervals (CI) for ovarian cancer. Among women evaluated for infertility, there was no association of ovarian cancer risk with ever use of clomiphene citrate (CC) (adjusted RR 1.34, 95% CI 0.86–2.07) or gonadotropins (RR 1.00, 95% CI 0.48–2.08) and no evidence that any of several more detailed subgroups of usage were related to an increased risk with one exception: women who used CC and remained nulligravid did demonstrate much higher risks than those who successfully conceived compared with nonusers (respectively, RR 3.63, 95% CI 1.36–9.72 vs. RR 0.88, 95% CI 0.47–1.63). Our overall results were reassuring and consistent with other studies. A reason for an association between CC use and ovarian cancer among persistently nulligravid women remains to be determined. Given the large and increasing number of women treated with ovulation-inducing drugs, the increased risk of ovarian cancer among the subset of women who remained nulligravid should be further monitored.
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