Abstract:
PURPOSE:To assess the feasibility of using Clinical Practice Research Datalink (CPRD) data for identifying populations of patients with chronic obstructive pulmonary disease (COPD) eligible for a hypothetical pragmatic trial. METHODS:A retrospective multidatabase cohort study using CPRD primary care and linked secondary care data to describe the characteristics of populations of patients with COPD. Patients' demographic and lifestyle factors, comorbidity profile, spirometry measurements and treatment changes were evaluated, as was the distribution of follow-up time and types of losses during follow-up. Characteristics were evaluated using descriptive statistics. RESULTS:A total of 322 991 patients from 1148 primary care practices in the United Kingdom across two CPRD primary care databases, CPRD GOLD and CPRD Aurum, were potentially eligible to participate in a hypothetical trial using CPRD, starting on 31 December 2017. Patients with COPD in CPRD GOLD and CPRD Aurum were comparable in terms of age (median age 70 vs. 68 years), gender (50% vs. 52% male), disease severity (e.g., 25% vs. 24% Medical Research Council [MRC] dyspnoea score grades 3-5) and history of respiratory conditions (e.g., 43% vs. 38% asthma). High proportions of patients with COPD in CPRD GOLD and CPRD Aurum were available on 31 December 2012 for follow-up at 1, 2, and 5 years (92%, 85% and 67%, respectively). CONCLUSIONS:Patients and data from CPRD GOLD and CPRD Aurum were comparable across key aspects relevant to COPD trials. A pragmatic trial using CPRD to recruit patients with COPD is scientifically feasible.
journal_name
Pharmacoepidemiol Drug Safjournal_title
Pharmacoepidemiology and drug safetyauthors
Requena G,Wolf A,Williams R,Dedman D,Quint JK,Murray-Thomas T,Pimenta JMdoi
10.1002/pds.5188subject
Has Abstractpub_date
2020-12-27 00:00:00eissn
1053-8569issn
1099-1557pub_type
杂志文章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
pub_type: 杂志文章
doi:10.1002/pds.3727
更新日期:2015-01-01 00:00:00
abstract::It is surprising to see how consumer Adverse Drug Reaction (ADR) reports have been continuously increasing for the last few years in Europe. This probably results from the influence of United States (US) market where the patients feels justified in telephoning the pharmaceutical companies directly with queries regardi...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.650
更新日期:2002-01-01 00:00:00
abstract:PURPOSE:To evaluate the outcomes of patients participating in a program of integrated care for osteoporosis in terms of medication supply, fracture incidence and expenses. METHODS:Outcomes were assessed from secondary data provided by the AOK PLUS health insurance for 2455 participants of the program and the same numb...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.3399
更新日期:2013-03-01 00:00:00
abstract::This paper addresses strategies for selecting variables for adjustment in non-experimental comparative effectiveness research and uses causal graphs to illustrate the causal network that relates treatment to outcome. Variables in the causal network take on multiple structural forms. Adjustment for a common cause pathw...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章,评审
doi:10.1002/pds.3506
更新日期:2013-11-01 00:00:00
abstract::When a biological hypothesis of causal effect can be inferred, the hypothesis can sometimes be tested in the selfsame database that gave rise to the study data from which the hypothesis grew. Valid testing happens when the inferred biological hypothesis has scientific implications that predict new relations between ob...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.1929
更新日期:2010-05-01 00:00:00
abstract:PURPOSE:Nonsteroidal anti-inflammatory drugs (NSAIDs) may be associated with severe renal complications, including acute renal failure, reduced glomerular filtration rate and interstitial nephritis. Caution against NSAIDs is therefore recommended in advanced chronic kidney disease. In this study, we examined NSAID use,...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.3227
更新日期:2012-04-01 00:00:00
abstract:PURPOSE:To estimate the prevalence of use of prescription drugs with a potential for fetal harm among pregnant women in the United States. METHODS:A retrospective study was conducted using the automated databases of eight health maintenance organizations involved in the HMO Research Network Center for Education and Re...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.1235
更新日期:2006-08-01 00:00:00
abstract:PURPOSE:To investigate a possible increased risk of esophageal obstruction among users of loratadine and pseudoephedrine (Claritin-D 24-Hour [C-D 24], the original, round, extended-release formulation) compared to two other tablet formulations of loratadine. METHODS:Pharmacy data of 12 managed care plans were screened...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.816
更新日期:2004-01-01 00:00:00
abstract:PURPOSE:The use of granulocyte colony-stimulating factor (G-CSF) in the treatment of non-chemotherapy drug- induced agranulocytosis is controversial. We aimed at assessing the effect of G-CSF on the duration of agranulocytosis. METHODS:To assess the effect of G-CSF on the duration of agranulocytosis, a Cox proportiona...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.1542
更新日期:2008-03-01 00:00:00
abstract:PURPOSE:We aim to derive an internationally applicable data set to improve prescription safety of psychiatric drugs. METHODS:We performed an in-depth analysis of the concordance of prescribing information of 10 key psychiatric drugs across four major drug markets with regard to indications, warnings and precautions, a...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.3389
更新日期:2013-03-01 00:00:00
abstract:PURPOSE:To validate the recorded diagnoses of colorectal cancer (CRC) and identify false negatives in The Health Improvement Network (THIN) primary care database. METHODS:We conducted a validation study of incident CRC cases in THIN among patients aged 40-89 years from 2000-2011. CRC Read code entries (N = 3805) were ...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.3877
更新日期:2016-04-01 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
pub_type: 杂志文章
doi:10.1002/pds.3657
更新日期:2014-11-01 00:00:00
abstract:PURPOSE:To evaluate the extent, characteristics and determinants of adverse drug reaction (ADR)-related hospitalisations on a population-based level in 2003. METHODS:We performed a cohort study in the Integrated Primary Care Information (IPCI) database, a general practitioners (GPs) research database with longitudinal...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.1565
更新日期:2008-04-01 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
pub_type: 杂志文章
doi:10.1002/(SICI)1099-1557(199807/08)7:4<275::AID-PDS
更新日期:1998-07-01 00:00:00
abstract:PURPOSE:The aim of the present study was to determine whether community pharmacists recommend appropriate medications and give valid information to pregnant women. METHODS:A total of 163 community pharmacists randomly selected in the Midi-Pyrénées area were interviewed by means of an open questionnaire. Ten scenarios ...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.954
更新日期:2004-10-01 00:00:00
abstract::Before a medicine can be recommended for a marketing authorization research must be provided to regulators that convincingly supports the benefit-risk of the product in the claimed indication. The established criteria for such research are usually expressed in terms of evidence from randomized controlled trials (RCT)....
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.5005
更新日期:2020-10-01 00:00:00
abstract::Sixteen pathologically confirmed and 14 suspected cases of a new disease entity, fibrosing colonopathy, have been described in the UK and the US in children with cystic fibrosis since 1991. The patterns of use of pancreatic enzyme supplements in cases were compared with use in controls and in the market, in the 2 year...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/(SICI)1099-1557(199709/10)6:5<347::AID-PDS
更新日期:1997-09-01 00:00:00
abstract:BACKGROUND:Despite numerous clinical guidelines on asthma management, patients often receive suboptimal drug therapy. This study identified patients who received suboptimal regimens according to the National Heart, Lung and Blood Institute (NHLBI) Guidelines for the Diagnosis and Management of Asthma in a complete popu...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.3444
更新日期:2013-07-01 00:00:00
abstract:PURPOSE:In epidemiological studies, non-response may introduce bias and limit generalizability. In genetic pharmacoepidemiological research, collection of DNA might be a major reason for non-response. We determined reasons for non-response and compared characteristics of non-responders and responders in a pharmacogenet...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.1764
更新日期:2009-08-01 00:00:00
abstract:PURPOSE:To examine the effects of analgesics on bone mineral density (BMD), which have not been examined in a longitudinal study with multiple measurements. METHODS:We investigated changes in BMD associated with new use of analgesics in a prospective longitudinal cohort of mid-life women. BMD and medication use were m...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.4362
更新日期:2018-02-01 00:00:00
abstract:PURPOSE:This study aimed to describe incidence, risk factors, and outcomes of warfarin-associated major bleeding (WAMB) in Thai patients. METHOD:A nested case-control study was conducted in a cohort of adult patients receiving ≥6 months of warfarin therapy who were prospectively followed up at a tertiary care hospital...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.4781
更新日期:2019-07-01 00:00:00
abstract:PURPOSE:Adverse drug events (ADEs) are an important cause of preventable hospitalizations among elderly individuals taking high-risk medications. The objective of the study was to identify health care system factors that affect the risk of digoxin toxicity for older adults on digoxin. METHODS:We conducted a prospectiv...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.1680
更新日期:2009-01-01 00:00:00
abstract:PURPOSE:Drug induced Torsades de Pointes (TdP) is a major concern for new drugs seeking regulatory approval. Prolongation of QT intervals greater than 60 millisecond or to longer than 500 millisecond in an individual patient has been considered to be associated with a higher risk. The purpose of this study is to identi...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.1707
更新日期:2009-03-01 00:00:00
abstract:PURPOSE:We aimed to describe time-trends in the use of NOACs among a group of ambulatory patients with nonvalvular atrial fibrillation (NVAF) in Colombia and to describe treatment patterns and user characteristics. METHODS:Using the Audifarma S.A administrative healthcare database in Colombia, we identified 10 528 pat...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.5124
更新日期:2020-10-15 00:00:00
abstract:PURPOSE:To study adult height in children that grew up with asthma before inhaled steroids became first-line therapy. METHODS:Data from the Swedish Medical Birth Register (self-reported asthma) and the Hospital Discharge Register (first hospitalization for asthma) were used, to compare adult height for asthmatic and n...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.580
更新日期:2001-03-01 00:00:00
abstract:BACKGROUND:Raised blood pressure associated with the sodium excipient content of soluble or effervescent analgesic has been previously reported. However, the influence of other anions associated with sodium on blood pressure is still controversial. METHODS:Observational study of elderly hypertensive patients with unco...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.1701
更新日期:2009-05-01 00:00:00
abstract:PURPOSE:To investigate suicide-related over-the-counter (OTC) analgesic medication exposures among individuals ≥6 years old reported to United States (US) poison control centers. METHODS:Data from the National Poison Data System for the years 2000-2018 were retrospectively analyzed. RESULTS:From 2000 to 2018, US pois...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.4997
更新日期:2020-09-01 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
pub_type: 杂志文章
doi:10.1002/pds.4285
更新日期:2017-10-01 00:00:00
abstract:PURPOSE:This study aimed to assess the trends in antipsychotic prescriptions for outpatients in Japan, where a community-based approach to mental healthcare is emphasized. METHODS:This descriptive epidemiological study used claims data from 1038 community pharmacies across Japan. Outpatients who were ≥18 years old and...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.4187
更新日期:2017-06-01 00:00:00
abstract:PURPOSE:Although sales of prescribed and over-the-counter (OTC) medication are rising, little is known about individual drug intake. This study was aimed to obtain complementary information about drug intake. METHOD:Information on drug utilization was obtained in a female cohort for five different time points (TP): 36...
journal_title:Pharmacoepidemiology and drug safety
pub_type: 杂志文章
doi:10.1002/pds.3943
更新日期:2016-04-01 00:00:00