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  • No decreased risk of gastrointestinal cancers in users of metformin in The Netherlands; a time-varying analysis of metformin exposureAbstract

    Previous studies on metformin use and gastrointestinal (GI) cancer risk have yielded inconclusive results on metformin’s chemoprotective effects. We aimed to evaluate GI cancer risk in users of metformin in The Netherlands using a time-varying apprach in a large population-based database. A cohort study was performed using the NCR-PHARMO database

    deJong RG, Burden AM, deKort S, van Herk-Sukel M, Vissers PA, Janssen PK, Haak HR, Masclee AA, deVries F, Janssen-Heijnen ML. Cancer Prev Res (Phila). 2017 Mar 08;
  • Increased overall drug utilization in patients with psoriasis: a case-control study based on Dutch general practitioner dataAbstract

    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; 176 634-642.
  • No association between metformin use and survival in patients with pancreatic cancer: An observational cohort studyAbstract

    Several studies have suggested an association between use of metformin and an increased overall survival in patients diagnosed with pancreatic cancer, however with several important methodological limitations. The aim of the study was to assess theassociation between overall survival, pancreatic cancer, and metformin use

    Frouws MA, Mulder BG, Bastiaannet E, Zander s MM, van Herk-Sukel MP, deLeede EM, Bonsing BA, Mieog JS, VandeVelde CJ, Liefers GJ. Medicine (Baltimore). 2017 Mar; 96 e6229.
  • Chemotherapy for ovarian cancer in the Netherlands: a population-based study on treatment patterns and outcomesAbstract

    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 50.
  • Asthma-Related Outcomes in Patients Initiating Extrafine Ciclesonide or Fine-Particle Inhaled CorticosteroidsAbstract

    PURPOSE: Extrafine-particle inhaled corticosteroids (ICS) have greater small airway deposition than standard fine-particle ICS. We sought to compare asthma-related outcomes after patients initiated extrafine-particle ciclesonide or fine-particle IC(fluticasone propionate or non-extrafine beclomethasone)

    Postma DS, Dekhuijzen R, van der Molen T, Martin RJ, van Aalder en W, Roche N, Guilbert TW, Israel E, van Eickels D, Khalid JM, Herings RM, Overbeek JA, Miglio C, Thomas V, Hutton C, Hillyer EV, Price DB. Allergy Asthma Immunol Res. 2017 Mar; 9 116-125.
  • Antipsychotic drug use associated with urinary tract infections in older womenAbstract

    OBJECTIVES: Antipsychotic drugs are frequently prescribed to elderly patients, but they are associated with serious adverse effects. The objective of the current study was to investigate the association between use of antipsychotics by elderly womeand the risk of urinary tract infections (UTIs). COHORT STUDY SETTING: Dispensing data were obtained from the PHARMO Database Network for the period 1998-2008

    van Strien AM, Souverein PC, Keijsers CK, Heerdink ER, Derijks HJ, van Marum RJ. Maturitas. 2017 Apr; 98 46-50.
  • Patterns of antiplatelet drug use after a first myocardial infarction during a 10-year periodAbstract

    AIMS: The aims of the present study were to assess antiplatelet drug use patterns after a first myocardial infarction (MI) and to evaluate the determinants of antiplatelet nonpersistence. METHODS: The present study was conducted in 4690 patients frm the Utrecht Cardiovascular Pharmacogenetics cohort with a first MI between 1986 and 2010, who were followed for a maximum of 10 years

    Yasmina A, de Boer A, Deneer VH, Souverein PC, Klungel OH. Br J Clin Pharmacol. 2017 Mar; 83 632-641.
  • Effect of low-dose aspirin use on survival of patients with gastrointestinal malignancies; an observational studyAbstract

    BACKGROUND: Previous studies suggested a relationship between aspirin use and mortality reduction. The mechanism for the effect of aspirin on cancer outcomes remains unclear. The aim of this study was to evaluate aspirin use and survival in patientwith gastrointestinal tract cancer. METHODS: Patients with gastrointestinal tract cancer diagnosed between 1998 and 2011 were included

    Frouws MA, Bastiaannet E, Langley RE, Chia WK, van Herk-Sukel MP, Lemmens VE, Putter H, Hartgrink HH, Bonsing BA, Vande Velde CJ, Portielje JE, Liefers GJ. Br J Cancer. 2017 Jan; 116 405-413.
  • The Influence of BRAF and KRAS Mutation Status on the Association between Aspirin Use and Survival after Colon Cancer DiagnosisAbstract

    BACKGROUND: Use of aspirin after diagnosis of colon cancer has been associated with improved survival. Identification of cancer subtypes that respond to aspirin treatment may help develop personalized treatment regimens. The aim of this study was tinvestigate the influence of BRAF and KRAS mutation status on the association between aspirin use and overall survival after colon cancer diagnosis

    Frouws MA, Reimers MS, Swets M, Bastiaannet E, Prinse B, van Eijk R, Lemmens VE, van Herk-Sukel MP, van Wezel T, Kuppen PJ, Morreau H, van de Velde CJ, Liefers GJ. PLoS One. 2017 12 e0170775.
  • Characterization and cholesterol management in patients with cardiovascular events and/or type 2 diabetes in the NetherlandsAbstract

    OBJECTIVE: To describe clinical characteristics and cholesterol management of patients with cardiovascular events (CVEs) and/or type 2 diabetes mellitus (T2DM) with high low-density lipoprotein cholesterol (LDL-C) > 1.8 mmol/L in the Netherlands. RSEARCH DESIGN AND METHODS: From the PHARMO Database Network a cross-sectional cohort was constructed

    Heintjes E, Kuiper J, Lucius B, Penning-van Beest F, Kutikova L, Liem A, Herings R. Curr Med Res Opin. 2017 Jan; 33 91-100.