2017
DOI: 10.1371/journal.pone.0182045
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Thromboembolic adverse event study of combined estrogen-progestin preparations using Japanese Adverse Drug Event Report database

Abstract: Combined estrogen-progestin preparations (CEPs) are associated with thromboembolic (TE) side effects. The aim of this study was to evaluate the incidence of TE using the Japanese Adverse Drug Event Report (JADER) database. Adverse events recorded from April 2004 to November 2014 in the JADER database were obtained from the Pharmaceuticals and Medical Devices Agency (PMDA) website (www.pmda.go.jp). We calculated the reporting odds ratios (RORs) of suspected CEPs, analyzed the time-to-onset profile, and assessed… Show more

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Cited by 10 publications
(10 citation statements)
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“…Time-to-onset duration was calculated from the time of the patient's first prescription to the occurrence of the AEs. 7,12 It is necessary to take the correct truncation into account when estimating the time to onset of AEs from SRS data. We chose an analysis period of 730 days after the start date of administration to focus attention on the onset of AEs within 2 years.…”
Section: Statisticsmentioning
confidence: 99%
See 1 more Smart Citation
“…Time-to-onset duration was calculated from the time of the patient's first prescription to the occurrence of the AEs. 7,12 It is necessary to take the correct truncation into account when estimating the time to onset of AEs from SRS data. We chose an analysis period of 730 days after the start date of administration to focus attention on the onset of AEs within 2 years.…”
Section: Statisticsmentioning
confidence: 99%
“…The median duration, quartiles, and the Weibull shape parameters (WSPs) were used to evaluate the time-to-onset data. 7,12 The scale parameter, α, of the Weibull distribution determines the scale of the distribution function. A larger scale value stretches the distribution, whereas a smaller scale value shrinks the data distribution.…”
Section: Statisticsmentioning
confidence: 99%
“…[12][13][14][15][16][17][18][19] Furthermore, association rule mining has been proposed as a new analytical approach for discovering undetected relationships such as the possible risk factors between variables in large databases. [18][19][20][21][22] In this study, we aimed to assess renal impairment (RI) caused by platinum-based compounds by analyzing data from the JADER database. Analyses of the time to onset of RI using the JADER database are rare, and to the best of our knowledge, this is the first study to use association rule mining to detect the association rules between platinum-based compounds and RI.…”
Section: Introductionmentioning
confidence: 99%
“…27,29) The usefulness of the Weibull distribution for profiling the time-to-onset of ADEs has been reported. 11,12,[30][31][32] To the best of our knowledge, no time-to-onset analysis of respiratory depression for opioids in cancer patients has been done using SRSs. The aim of the time-to-onset analysis was to obtain new information and compare the risks and onset profiles of respiratory depression for opioids in the real world.…”
Section: Discussionmentioning
confidence: 99%
“…SRS, such as the JADER database, is subject to various biases, including overreporting, under-reporting, missing data, the exclusion of healthy individuals, the lack of a denominator, and confounding factors. [11][12][13][14][30][31][32] Because of these limitations, disproportionality measures (ROR) do not allow for risk quantification. Rather, RORs provides a rough indication of signal strength and are only relevant to the hypothesis.…”
Section: Discussionmentioning
confidence: 99%