Predicting prolonged dose titration in patients starting warfarin.

abstract：BACKGROUND:High-grade cervical dysplasia or cervical intraepithelial neoplasia grade 2 or worse has been widely used as a surrogate endpoint in cervical cancer screening or prevention trials. METHODS:To identify high-grade cervical dysplasia and cervical cancer, we developed claims-based algorithms that incorporated a...

journal_title：Pharmacoepidemiology and drug safety

authors： Kim SC,Gillet VG,Feldman S,Lii H,Toh S,Brown JS,Katz JN,Solomon DH,Schneeweiss S

更新日期：2013-11-01 00:00:00

abstract：PURPOSE:To explore associations between preterm birth and use of medications in young adulthood as a proxy for different diseases. METHODS:We linked data on birth characteristics from the Medical Birth Registry of Norway (1967-1999) and the Norwegian Prescription Database (2004-2015). Individuals born as singletons du...

journal_title：Pharmacoepidemiology and drug safety

authors： Engeland A,Bjørge T,Klungsøyr K,Skurtveit S,Furu K

更新日期：2017-07-01 00:00:00

abstract：PURPOSE:To describe the concerns raised by health plan members, providers and purchasers related to studying the comparative effectiveness of therapeutics using cluster randomized trials (CRTs) within health plans. An additional goal was to develop recommendations for increasing acceptability. METHODS:Eighty-four qual...

journal_title：Pharmacoepidemiology and drug safety

authors： Mazor KM,Sabin JE,Goff SL,Smith DH,Rolnick S,Roblin D,Raebel MA,Herrinton LJ,Gurwitz JH,Boudreau D,Meterko V,Dodd KS,Platt R

更新日期：2009-07-01 00:00:00

abstract：PURPOSE:Direct oral anticoagulants (DOACs) have been promoted in patients with nonvalvular atrial fibrillation (nv-AF) as a more convenient alternative to vitamin K antagonists. We estimated 1-year dabigatran and rivaroxaban adherence rates in nv-AF patients and assessed associations between baseline patient characteri...

journal_title：Pharmacoepidemiology and drug safety

authors： Maura G,Pariente A,Alla F,Billionnet C

更新日期：2017-11-01 00:00:00

abstract：PURPOSE:The role of administrative databases for research on drug safety during pregnancy can be limited by their inaccurate assessment of the timing of exposure, as the gestational age at birth is typically unavailable. Therefore, we sought to develop and validate algorithms to estimate the gestational age at birth us...

journal_title：Pharmacoepidemiology and drug safety

authors： Margulis AV,Setoguchi S,Mittleman MA,Glynn RJ,Dormuth CR,Hernández-Díaz S

更新日期：2013-01-01 00:00:00

abstract：PURPOSE:To develop a method for data-driven exploration in pharmacovigilance and illustrate its use by identifying the key features of individual case safety reports related to medication errors. METHODS:We propose vigiPoint, a method that contrasts the relative frequency of covariate values in a data subset of intere...

journal_title：Pharmacoepidemiology and drug safety

authors： Juhlin K,Star K,Norén GN

更新日期：2017-10-01 00:00:00

abstract：BACKGROUND:Recent case series have associated the synthetic opioid, methadone, with QT prolongation and torsades de pointes (TdP) ventricular arrhythmia. STUDY OBJECTIVE:To review and analyze adverse events (QT prolongation and TdP) reported to the Food and Drug Administration (FDA) to determine the patient characteri...

journal_title：Pharmacoepidemiology and drug safety

authors： Pearson EC,Woosley RL

更新日期：2005-11-01 00:00:00

abstract：AIM:To determine the appropriate size of risk windows in both exposed and unexposed sub-cohorts. METHOD:Data was taken from a previous study of upper gastrointestinal haemorrhage and perforation. The length of each prescription for NSAIDs was estimated. The risk was calculated for the duration of a prescription plus i...

journal_title：Pharmacoepidemiology and drug safety

authors： McMahon AD,Evans JM,McGilchrist MM,McDevitt DG,MacDonald TM

更新日期：1998-07-01 00:00:00

abstract：PURPOSE:vigiRank is a data-driven predictive model for emerging safety signals. In addition to disproportionate reporting patterns, it also accounts for the completeness, recency, and geographic spread of individual case reporting, as well as the availability of case narratives. Previous retrospective analysis suggeste...

journal_title：Pharmacoepidemiology and drug safety

authors： Caster O,Sandberg L,Bergvall T,Watson S,Norén GN

更新日期：2017-08-01 00:00:00

abstract：PURPOSE:To review conceptual issues regarding confounding by indication in the context of studies of calcium channel blockers (CCBs). METHODS:Review of literature, with special attention to two articles in the current issue. RESULTS:Conflicting arguments about the presence of uncontrollable confounding by indication ...

journal_title：Pharmacoepidemiology and drug safety

authors： Joffe MM

更新日期：2000-01-01 00:00:00

abstract：PURPOSE:Complex medication management in older people with multiple chronic conditions can introduce practice variation in polypharmacy prevalence. This study aimed to determine the inter-practice variation in polypharmacy prevalence and examine how this variation was influenced by patient and practice characteristics....

journal_title：Pharmacoepidemiology and drug safety

authors： Sinnige J,Braspenning JC,Schellevis FG,Hek K,Stirbu I,Westert GP,Korevaar JC

更新日期：2016-09-01 00:00:00

abstract：BACKGROUND:Granular clinical and laboratory data available in electronic health record (EHR) databases provide researchers the opportunity to conduct investigations that would not be possible in insurance claims databases; however, for pharmacoepidemiology studies, accurate classification of medication exposure is crit...

journal_title：Pharmacoepidemiology and drug safety

authors： Rowan CG,Flory J,Gerhard T,Cuddeback JK,Stempniewicz N,Lewis JD,Hennessy S

更新日期：2017-08-01 00:00:00

abstract：PURPOSE:To measure changes in drug utilisation following a national general practice education program aimed at improving prescribing for hypertension. METHODS:A series of nationally implemented, multifaceted educational interventions using social marketing principles focusing on prescribing for hypertension, was comm...

journal_title：Pharmacoepidemiology and drug safety

authors： Horn FE,Mandryk JA,Mackson JM,Wutzke SE,Weekes LM,Hyndman RJ

更新日期：2007-03-01 00:00:00

abstract：PURPOSE:The objective of this study was to evaluate the validity and completeness of the General Practice Research Database (GPRD) as a tool for research into inflammatory bowel disease epidemiology. METHODS:Patients diagnosed with inflammatory bowel disease were identified from GPRD. Mailed surveys were sent to the g...

journal_title：Pharmacoepidemiology and drug safety

authors： Lewis JD,Brensinger C,Bilker WB,Strom BL

更新日期：2002-04-01 00:00:00

abstract：BACKGROUND:Hydroxyzine is indicated for the management of anxiety, skin and sleep disorders. In 2015, the European Medicines Agency (EMA) concluded that hydroxyzine was pro-arrhythmogenic and changes to the product information were implemented in Europe. This study aimed to evaluate their impact in Denmark, Scotland, E...

journal_title：Pharmacoepidemiology and drug safety

authors： Morales DR,Macfarlane T,MacDonald TM,Hallas J,Ernst MT,Herings RMC,Smits E,Overbeek JA,Mitchell L,Morant S,Mackenzie I,Doney ASF,Robertson C,Bennie M,Wei L,Nicholson L,Morris C,Flynn RWF

更新日期：2021-01-01 00:00:00

abstract：PURPOSE:Propensity scores are used in observational studies to adjust for confounding, although they do not provide control for confounders omitted from the propensity score model. We sought to determine if tests used to evaluate logistic model fit and discrimination would be helpful in detecting the omission of an imp...

journal_title：Pharmacoepidemiology and drug safety

authors： Weitzen S,Lapane KL,Toledano AY,Hume AL,Mor V

更新日期：2005-04-01 00:00:00

abstract：PURPOSE:We aimed to investigate the association between psychotropic treatment and risk of burn injury in individuals with mental illness. METHODS:A nested case-control study was conducted by using the National Health Insurance Research Database in Taiwan. A total of 3187 cases with burn injury under International Cla...

journal_title：Pharmacoepidemiology and drug safety

authors： Chang CM,Wu KY,Chiu YW,Wu HT,Tsai YT,Chau YL,Tsai HJ

更新日期：2016-08-01 00:00:00

abstract：PURPOSE:To characterize the nature of a heparin contaminant's clinical effects in cases reported to the Adverse Event Reporting System (AERS). The FDA received reports of heparin-associated adverse events (AEs) starting in late 2007-early 2008 during a national investigation of allergic-type events. The investigation i...

journal_title：Pharmacoepidemiology and drug safety

authors： McMahon AW,Pratt RG,Hammad TA,Kozlowski S,Zhou E,Lu S,Kulick CG,Mallick T,Dal Pan G

更新日期：2010-09-01 00:00:00

abstract：PURPOSE:Pharmacoepidemiologic studies of acute effects of episodic exposures often must control for many time-dependent confounders. Marginal structural models permit this and provide unbiased estimates when confounders are on the causal pathway. However, if causal pathway confounding is minimal, analyses with time-dep...

journal_title：Pharmacoepidemiology and drug safety

authors： Ray WA,Liu Q,Shepherd BE

更新日期：2015-01-01 00:00:00

abstract：OBJECTIVE:Outcome misclassification may occur in observational studies using administrative databases. We evaluated a two-step multiple imputation approach based on complementary internal validation data obtained from two subsamples of study participants to reduce bias in hazard ratio (HR) estimates in Cox regressions....

journal_title：Pharmacoepidemiology and drug safety

authors： Ni J,Leong A,Dasgupta K,Rahme E

更新日期：2017-08-01 00:00:00

abstract：:In Slovenia, the national health insurance system covers almost the whole population. The average patient receives six to seven prescriptions per year with an average value of 15 USD per prescription. This paper presents the systemic conditions necessary for the performance of pharmacoepidemiologic studies. A recent s...

journal_title：Pharmacoepidemiology and drug safety

authors： Primozic S,Kos M,Mrhar A,Ravnik I

更新日期：2001-12-01 00:00:00

abstract：BACKGROUND:Deferasirox (DFX) is an effective and well-tolerated oral iron chelator elevating the adherence to iron chelating therapy among patients with iron overload. However, the US Food and Drug Administration issued a warning about the potential adverse events associated with DFX in 2010. METHODS:To examine the ri...

journal_title：Pharmacoepidemiology and drug safety

authors： Huang WF,Chou HC,Tsai YW,Hsiao FY

更新日期：2014-11-01 00:00:00

abstract：PURPOSE:In post-marketing drug safety surveillance, data mining can potentially detect rare but serious adverse events. Assessing an entire collection of drug-event pairs is traditionally performed on a predefined level of granularity. It is unknown a priori whether a drug causes a very specific or a set of related adv...

journal_title：Pharmacoepidemiology and drug safety

authors： Kulldorff M,Dashevsky I,Avery TR,Chan AK,Davis RL,Graham D,Platt R,Andrade SE,Boudreau D,Gunter MJ,Herrinton LJ,Pawloski PA,Raebel MA,Roblin D,Brown JS

更新日期：2013-05-01 00:00:00

abstract：PURPOSE:Quantitative benefit-risk (B-R) assessments are used to characterize treatment by combining key benefits and risks into a single metric but have historically been done for the "average" patient. Our aim was to conduct an individualized assessment for the oral antiplatelet vorapaxar by combining trial and real-w...

journal_title：Pharmacoepidemiology and drug safety

authors： Pinto CA,Tervonen T,Marsh K,Lambrelli D,Schultze A,Tershakovec A,Hyacinthe J,Prawitz T,Hammad TA

更新日期：2019-04-01 00:00:00

abstract：PURPOSE:To evaluate the impact of 2 policy changes on quetiapine dispensing in Australia: removal of prior authorisation for prescribing (policy 1: July 2007) and removal of repeat prescriptions for 25-mg quetiapine (policy 2: January 2014). METHODS:We performed an interrupted time series analysis using Pharmaceutical...

journal_title：Pharmacoepidemiology and drug safety

authors： Brett J,Schaffer A,Dobbins T,Buckley NA,Pearson SA

更新日期：2018-04-01 00:00:00

abstract：PURPOSE:Observational pharmacoepidemiological studies can provide valuable information on the effectiveness or safety of interventions in the real world, but one major challenge is the existence of unmeasured confounder(s). While many analytical methods have been developed for dealing with this challenge, they appear u...

journal_title：Pharmacoepidemiology and drug safety

authors： Zhang X,Faries DE,Li H,Stamey JD,Imbens GW

更新日期：2018-04-01 00:00:00

abstract：PURPOSE:PCORnet, the National Patient-Centered Clinical Research Network, represents an innovative system for the conduct of observational and pragmatic studies. We describe the identification and validation of a retrospective cohort of patients with type 2 diabetes (T2DM) from four PCORnet sites. METHODS:We adapted e...

journal_title：Pharmacoepidemiology and drug safety

authors： Wiese AD,Roumie CL,Buse JB,Guzman H,Bradford R,Zalimeni E,Knoepp P,Morris HL,Donahoo WT,Fanous N,Epstein BF,Katalenich BL,Ayala SG,Cook MM,Worley KJ,Bachmann KN,Grijalva CG,Rothman RL,Chakkalakal RJ

更新日期：2019-05-01 00:00:00

abstract：PURPOSE:Our study aimed to investigate the association between prenatal exposure to reactive intermediate (RI)-inducing drugs and the initiation of psychotropic medications among children. METHODS:We designed a cohort study using a pharmacy prescription database. Pregnant women were considered exposed when they receiv...

journal_title：Pharmacoepidemiology and drug safety

authors： Tran YH,Groen H,Bergman JE,Hak E,Wilffert B

更新日期：2017-03-01 00:00:00

abstract：PURPOSE:Research using healthcare databases often includes patients frequently excluded from clinical trials; yet it is not known whether commonly used data represents the overall population or specific sub-populations of interest. We aimed to examine population representativeness from data sources in recent research s...

journal_title：Pharmacoepidemiology and drug safety

authors： Kaviani P,Landi SN,McKethan A,Brookhart MA,McGrath LJ

更新日期：2020-11-01 00:00:00

abstract：PURPOSE:A recent regulatory warning and case reports have described the development of muscle complications with the use of 5-α reductase inhibitors (5ARIs). We wished to determine if there was a link between rhabdomyolysis and 5ARI usage. METHODS:We used a matched cohort design and linked administrative data from the...

journal_title：Pharmacoepidemiology and drug safety

authors： Welk B,McArthur E,Ordon M,Dirk J,Dixon S,Garg AX

更新日期：2018-03-01 00:00:00