Trends in the Prevalence of Drug-Induced Parkinsonism in Korea.

A new interesting article has been published in Yonsei Med J. 2019 Aug;60(8):760-767. doi: 10.3349/ymj.2019.60.8.760. and titled:

Trends in the Prevalence of Drug-Induced Parkinsonism in Korea.

Authors of this article are:

Byun JH, Cho H, Kim YJ, Kim JS, Baik JS, Jang S, Ma HI.

A summary of the article is shown below:

PURPOSE: Discontinuation of offending drugs can prevent drug-induced parkinsonism (DIP) before it occurs and reverse or cure it afterwards. The aim of this study was to investigate the prevalence of DIP and the utilization of offending drugs through an analysis of representative nationwide claims data.MATERIALS AND METHODS: We selected DIP patients of ages ranging from 40 to 100 years old with the G21.1 code from the Korean National Service Health Insurance Claims database from 2009 to 2015. The annual standardized prevalence of DIP was explored from 2009 to 2015. Trends were estimated using the compound annual growth rate (CAGR) and the Cochran-Armitage test for DIP over the course of 6 years. Additionally, the utilization of offending drugs was analyzed.RESULTS: The annual prevalence of DIP was 4.09 per 100000 people in 2009 and 7.02 in 2015 (CAGR: 9.42%, p<0.001). Levosulpiride use before and after DIP diagnosis showed a clear trend for decreasing utilization (CAGR: -5.4%, -4.3% respectively), whereas the CAGR for itopride and metoclopramide increased by 12.7% and 6.4%, respectively. In 2015, approximately 46.6% (858/1840 persons) of DIP patients were prescribed offending drugs after DIP diagnosis. The most commonly prescribed causative drug after DIP diagnosis was levosulpiride.CONCLUSION: The prevalence of DIP has increased. To prevent or decrease DIP, we suggest that physicians reduce prescriptions of benzamide derivatives that have been most commonly used, and that attempts be made to find other alternative drugs. Additionally, the need for continuing education about offending drugs should be emphasized.© Copyright: Yonsei University College of Medicine 2019.
Check out the article’s website on Pubmed for more information:

This article is a good source of information and a good way to become familiar with topics such as: Drug-induced parkinsonism;Parkinson disease;antiemetic and gastric mobility agents;levosulpiride;offending drugs.

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