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KMID : 0941820130230020129
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Korean Journal of Clinical Pharmacy
2013 Volume.23 No. 2 p.129 ~ p.136
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Potential Drug Interactions in Cancer Patients on Oral Kinase Inhibitors
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Jung Eun-Hee
Bang Joon-Seok
Lee Yu-Jeung
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Abstract
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Objectives: Among many new drugs that are under investigation with intent to treat cancer, oral kinase inhibitors are proven to be effective in numerous clinical trials and easy to administer. Due to these advantages the use of oral kinase inhibitors is increasing. Oral kinase inhibitors are metabolized by CYP450 which can result either increase of adverse effect or decrease of drug effect by drug interaction when used concurrently with other agents. In this research, the medication records of patients on oral kinase inhibitors from Oct. 2010 to Nov. 2011 were reviewed to investigate potential drug interactions. Methods: From Oct. 2010 to Nov. 2011, cancer patients in Inha University Hospital who took oral kinase inhibitors more than once were included. The patients’ medication records were reviewed to list out concurrent edications that have interaction potential with oral kinase inhibitors, the frequency of concurrent use, and the severity of interaction result using Micromedex® and Lexicomp-online® as references. Results: As a result, 90 cases of drug with interaction potential were prescribed by Micromedex® and 179 cases by Lexicomp-online® data. In case of severity, 33.3% by icromedex® and 26.3% by Lexicomp-online® were categorized as Major and 65.6% by Micromedex® and 72.6% by exicomp-online® as Moderate. The number of adverse events was 92 cases which 58.7% were on skin and 19.6% on astro-intestinal tract. Conclusions: Considerable number of drug with interaction potential was used though each oral inase inhibitors showed differences in extent. Hence there exists the risk of drug interaction in patients taking oral kinase nhibitors with other drugs.
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KEYWORD
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Kinase inhibitors, CYP450, DDI, Micromedex, Lexicomp-online
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