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Drug utilization study Publications

Drug utilization study Publications

  • Brand and generic use of inhalation medication and frequency of switching in children and adults: A population-based cohort study.Abstract

    BACKGROUND: The expiration of patents of brand inhalation medications and the ongoing pressure on healthcare budgets resulted in a growing market for generics. AIM: To study the use of brand and generic inhalation medication and the frequency of swtching between brand and generic and between devices

    Engelkes M, van Blijder veen JC, Overbeek JA, Kuiper J, Herings RCM, Sturkenboom Mcjm, deJongste JC, Verhamme KMC, Janssens HM. J Asthma. 2018 Nov 29; 55 1086-1094.
  • Changes in glucose-lowering drug use before and after cancer diagnosis in patients with diabetes.Abstract

    AIM: This study explores the changes in glucose-lowering drug (GLD) use before and after cancer diagnosis among patients with diabetes. METHODS: New GLD users (1998-2011) living in the Dutch ECR-PHARMO catchment area were selected from the PHARMO Dtabase Network (n=52,228). Those with a primary cancer diagnosis were considered cases (n=3281) and matched with eligible controls (n=12,891) without cancer during follow-up

    Zander s MMJ, Haak HR, van Herk-Sukel MPP, Herings RMC, van dePoll-Franse LV, Johnson JA. Diabetes Metab. 2018 Oct 21; 44 22 - 29.
  • Factors Associated with Type 2 Diabetes Mellitus Treatment Choice Across Four European Countries.Abstract

    PURPOSE: The aim of this analysis was to identify factors associated with the choice of type 2 diabetes mellitus (T2DM) therapy at the time of intensification of antidiabetic treatment across 4 European countries. METHODS: Antidiabetic drug prescrition/dispensing records and patients’ characteristics were obtained from the electronic health care records of patients with T2DM from the Netherlands (NL), Italy, and Spain (ES) (all, 2007-2011); and the United Kingdom (UK; 2008-2012)

    Heintjes EM, Overbeek JA, Hall GC, Prieto-Alhambra D, Lapi F, Hammar N, Bezemer ID. Clin Ther. 2017 Nov 03; 39 2296-2310.
  • Thrombotic risk minimization for Diane-35 and generics.Abstract

    BACKGROUND: This study aimed to evaluate the effect of risk minimization measures on cyproterone acetate/ethinylestradiol (CPA/EE) use in the Netherlands. Potential indications of use and concomitant pharmacy dispensing of other hormonal contraceptves (HC) were assessed among new users in 2011, 2012, and 2014

    Bezemer ID, Smits E, Penning-van Beest FJA, Asiimwe A, Herings RMC. Pharmacoepidemiol Drug Saf. 2017 Sep 26; 26 1411-1417.
  • Decrease in Switches to ‘Unsafe’ Proton Pump Inhibitors After Communications About Interactions with Clopidogrel.Abstract

    BACKGROUND: In 2009 and 2010 medicines regulatory agencies published official safety statements regarding the concomitant use of proton pump inhibitors and clopidogrel. We wanted to investigate a change in prescription behaviour in prevalent gastrorotective drug users (2008-2011). METHODS: Data on drug use were retrieved from the Out-patient Pharmacy Database of the PHARMO Database Network

    Kruik-Kolloffel WJ, van der Palen J, van Herk-Sukel MPP, Kruik HJ, Movig KLL. Clin Drug Investig. 2017 Aug; 37 787-794.
  • Ophthalmic nepafenac use in the Netherlands and Denmark.Abstract

    PURPOSE: To describe nepafenac use in the Netherlands and Denmark with reference to its approved indications. For context, we also describe the use of ketorolac and diclofenac. METHODS: We identified users in the PHARMO Database Network (the Netherands, 2008-2013) and the Danish national health registers (Denmark, 1994-2014)

    Margulis AV, Houben E, Hallas J, Overbeek JA, Pottegard A, Torp-Peder sen T, Perez-Gutthann S, Arana A. Acta Ophthalmol. 2017 Aug; 95 509-517.
  • Characteristics of children and adolescents first prescribed proton pump inhibitors or histamine-2-receptor antagonists: an observational cohort study.Abstract

    OBJECTIVE: To describe the characteristics of pediatric patients prescribed proton pump inhibitors (PPIs) vs those of pediatric patients prescribed histamine-2-receptor antagonists (H2RAs). METHODS: Observational studies were conducted using The Helth Improvement Network (THIN) and the PHARMO Database Network

    Ruigomez A, Kool-Houweling LMA, Garcia Rodriguez LA, Penning-van Beest FJA, Herings RMC. Curr Med Res Opin. 2017 Jun 09; 33 2251-2259.
  • Psychiatric medication use before and after the onset of type 1 diabetes in children and adolescents: A population-based cohort study.Abstract

    BACKGROUND: Several studies showed a bidirectional association between type 2 diabetes and psychiatric disorders in adults. Because there is limited information on the association between type 1 diabetes (T1D) and psychiatric disorders (including pychiatric medication use) in children and adolescents, we assessed frequency of use of these medications before and after the onset of T1D

    FazeliFarsani S, Abdullah-Koolmees H, Souverein PC, de Boer A, Mantel-Teeuwisse AK. Pediatr Diabetes. 2017 Apr 24; 121 - 128.
  • Increased overall drug utilization in patients with psoriasis: a case-control study based on Dutch general practitioner data.Abstract

    BACKGROUND: Medication use in patients with psoriasis has been studied mostly in the context of psoriasis comorbidities. OBJECTIVES: To investigate detailed drug utilization in patients with psoriasis compared with controls in a population-based saple. METHODS: This was a case-control study based on drug prescriptions derived from a Dutch general practitioner database where patients with psoriasis and controls without psoriasis were matched 1 : 1 for age, sex, general practitioner and duration offollow-up, between 2002 and 2012

    Dowlatshahi EA, Hollestein LM, Herings RM, Nijsten T, Wakkee M. Br J Dermatol. 2017 Mar; 176 (3): 634-642.
  • Chemotherapy for ovarian cancer in the Netherlands: a population-based study on treatment patterns and outcomes.Abstract

    Information on treatment patterns for ovarian cancer (OC) is limited. The aim of this study was to describe current patterns of chemotherapy and other systemic treatments for OC in the Netherlands and evaluate survival outcomes following subsequentlines of treatment. Data from the Eindhoven Cancer Registry, including on newly diagnosed cancer patients, were linked to the PHARMO Database Network, including information on in- and out-patient drug use

    Houben E, van Haalen HG, Sparreboom W, Overbeek JA, Ezendam NP, Pijnenborg JM, Severens JL, van Herk-Sukel MP. Med Oncol. 2017 Apr; 34 (4): 50.