Publications by authors named "T Schalekamp"

33 Publications

Alignment of CanMEDS-based Undergraduate and Postgraduate Pharmacy Curricula in The Netherlands.

Pharmacy (Basel) 2020 Jul 10;8(3). Epub 2020 Jul 10.

Department of Pharmaceutical Science, Utrecht University, David de Wiedgebouw, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands.

In this article the design of three master programs (MSc in Pharmacy) and two postgraduate specialization programs for community or hospital pharmacist is described. After a preceding BSc in Pharmacy, these programs cover the full pharmacy education capacity for pharmacists in primary and secondary health care in the Netherlands. All programs use the CanMEDS framework, adapted to pharmacy education and specialization, which facilitates the horizontal integration of pharmacists' professional development with other health care professions in the country. Moreover, it is illustrated that crossing the boundary from formal (university) education to experiential (workplace) education is eased by a gradual change in time spent in these two educational environments and by the use of comparable monitoring, feedback, and authentic assessment instruments. A reflection on the curricula, based on the principles of the and the , suggests that the alignment of these educational programs facilitates the development of professional expertise and professional identity of Dutch pharmacists.
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http://dx.doi.org/10.3390/pharmacy8030117DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7558760PMC
July 2020

Implementation of Competency-Based Pharmacy Education (CBPE).

Pharmacy (Basel) 2017 Feb 21;5(1). Epub 2017 Feb 21.

Department of Pharmaceutical Sciences, The Netherlands and Centre for Teaching and Learning, Utrecht University, Utrecht 3508 TB, The Netherlands.

Implementation of competency-based pharmacy education (CBPE) is a time-consuming, complicated process, which requires agreement on the tasks of a pharmacist, commitment, institutional stability, and a goal-directed developmental perspective of all stakeholders involved. In this article the main steps in the development of a fully-developed competency-based pharmacy curriculum (bachelor, master) are described and tips are given for a successful implementation. After the choice for entering into CBPE is made and a competency framework is adopted (step 1), intended learning outcomes are defined (step 2), followed by analyzing the required developmental trajectory (step 3) and the selection of appropriate assessment methods (step 4). Designing the teaching-learning environment involves the selection of learning activities, student experiences, and instructional methods (step 5). Finally, an iterative process of evaluation and adjustment of individual courses, and the curriculum as a whole, is entered (step 6). Successful implementation of CBPE requires a system of effective quality management and continuous professional development as a teacher. In this article suggestions for the organization of CBPE and references to more detailed literature are given, hoping to facilitate the implementation of CBPE.
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http://dx.doi.org/10.3390/pharmacy5010010DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5419394PMC
February 2017

Risk of myocardial infarction in patients with atrial fibrillation using vitamin K antagonists, aspirin or direct acting oral anticoagulants.

Br J Clin Pharmacol 2017 08 23;83(8):1835-1843. Epub 2017 Mar 23.

Department of Clinical Pharmacy and Toxicology, Maastricht University Medical Centre, Maastricht, the Netherlands.

Aim: Direct-acting oral anticoagulants (DOACs) have become available for the prevention of stroke in patients with atrial fibrillation (AF). Conflicting results have been published on the risk of acute myocardial infarction (AMI) with the use of DOACs in comparison with vitamin K antagonists (VKAs). The objective of the present study was to evaluate the risk of AMI in patients with AF who are exposed to either VKAs, DOACs or low-dose (< 325 mg) aspirin.

Methods: We conducted a population-based cohort study using data from the Clinical Practice Research Datalink (2008-2014). The study population (n = 30 146) consisted of all patients ≥18 years with a diagnosis of AF who were new users of VKAs, DOACs (rivaroxaban and dabigatran) or aspirin. Cox proportional hazards models were used to estimate the hazard ratio (HR) of AMI for users of DOACs or aspirin vs. VKA. Adjustments were made for age, gender, lifestyle, risk factors, comorbidity and other drugs.

Results: The risk of AMI was doubled when we compared current use of DOACs with current use of VKAs [adjusted HR 2.11; 95% confidence interval (CI) 1.08, 4.12] and for current users of aspirin vs. current VKA users (adjusted HR 1.91; 95% CI 1.45, 2.51).

Conclusions: There is a twofold increase in the risk of AMI for users of DOACs, in comparison with VKAs, in AF therapy. In addition, the results suggested that in patients with AF, the incidence of AMI is higher during aspirin monotherapy than during the use of VKAs.
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http://dx.doi.org/10.1111/bcp.13264DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6495191PMC
August 2017

Possible drug-drug interaction between high-dose esomeprazole and phenprocoumon.

Eur J Clin Pharmacol 2015 Dec 24;71(12):1461-5. Epub 2015 Sep 24.

Pharmacy Foundation of Haarlem Hospitals, Boerhaavelaan 24, 2035 RC, Haarlem, The Netherlands.

Purpose: It is established that omeprazole increases (R)+ warfarin levels with around 10 %. Whether (es)omeprazole also increase the plasma levels of acenocoumarol or phenprocoumon is still uncertain. We analyzed whether addition of (es)omeprazole to acenocoumarol or phenprocoumon increases the international normalized ratio (INR) levels and the risk of overanticoagulation.

Methods: We analyzed all hospital admissions in four teaching hospitals. Patients who used coumarins and pantoprazole or (es)omeprazole simultaneously for at least four consecutive days were included in the study. We analyzed the highest INR level and whether patients had an INR level above six. We compared patients using omeprazole or esomeprazole with patients using pantoprazole, because for pantoprazole, no interaction has been reported.

Results: We analyzed 5747 admissions with 4540 patients using one of the drug combinations. For acenocoumarol (4578 admissions), no significant differences were found between users of esomeprazole, omeprazole, and pantoprazole. For phenprocoumon (1169 admissions), the highest INR measured was significantly higher in users of esomeprazole than in users of pantoprazole (4.7 versus 4.3; p = 0.035). No significant difference was found with omeprazole versus pantoprazole (4.3 versus 4.3; p = 0.66). A non-significant association was found between the esomeprazole dose and the highest INR level (p = 0.055). The risk of an INR above six did not differ significantly between esomeprazole and pantoprazole (27.7 % versus 22.9 %; p = 0.34).

Conclusions: The use of esomeprazole simultaneously with phenprocoumon during hospital admissions might increase the anticoagulant effect. The clinical relevance seems to be limited, because no statistically significant increased risk of overanticoagulation was found.
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http://dx.doi.org/10.1007/s00228-015-1912-1DOI Listing
December 2015

Evaluation of the effect of genetic variations in GATA-4 on the phenprocoumon and acenocoumarol maintenance dose.

Pharmacogenomics 2012 Dec;13(16):1917-23

Division of Pharmacoepidemiology & Clinical Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht, The Netherlands.

Aim: To investigate whether the phenprocoumon and acenocoumarol maintenance doses are influenced by genetic variations in GATA-4, a transcription factor of CYP2C9.

Patients & Methods: The influence of seven GATA-4 SNPs on the coumarin maintenance dose was investigated by performing an analysis of variance trend analysis, stratified for CYP2C9 genotypes. Results of the best-explaining SNP were validated in the Rotterdam Study cohort.

Results: The largest dose differences were found for rs3735814 in patients using acenocoumarol and having the common allele for CYP2C9. The mean dosages decreased from 2.92 mg/day for the patients having the GATA-4 common alleles to 2.65 mg/day for the patients carrying one GATA-4 variant allele and to 2.37 mg/day for patients carrying two GATA-4 variant alleles (p = 0.004). Results could not be replicated in the validation cohort. For phenprocoumon, no significant effects were observed.

Conclusion: Genetic variation in GATA-4 does not seem relevant for clinical implementation.
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http://dx.doi.org/10.2217/pgs.12.174DOI Listing
December 2012
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