The effectiveness of risk communication regarding drug safety information: a nationwide survey by the Japanese public health insurance claims data

Journal of Clinical Pharmacy and Therapeutics
Hiromi HagiwaraMasahiro Tohkin

Abstract

We evaluated the effectiveness of warning letters published by the pharmaceutical regulatory agency in Japan on communication of drug safety and risk by quantitative analysis of the national health insurance claims database (NHICD). We then explored what factors may have affected risk communication. We measured the implementation rate of the hepatitis virus-monitoring test among methotrexate (MTX)-treated patients; a warning letter had been issued regarding the use of MTX, as it apparently activates the hepatitis virus. Data from the NHICD, which include 99·3% of Japanese residents, were used. A total of 4,933,481 patients with rheumatoid arthritis (RA) (January-June, 2010) were the focus of this study. The implementation rate of the hepatitis virus-monitoring test increased from 1·4% before to 1·8% after the warning letter announcement. Logistic regression analysis suggested that the installation of a drug information management room is one of the important factors affecting risk communication. Further analysis revealed that the hepatitis virus monitoring rates in hospitals without drug information management rooms increased from 2·3% to 4·1% due to the issue of the warning letter. The warning letter from the regulatory agency...Continue Reading

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Apr 7, 2012·Drug Safety : an International Journal of Medical Toxicology and Drug Experience·Sigrid PieningPeter G M Mol

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Citations

Dec 9, 2017·Drug Safety : an International Journal of Medical Toxicology and Drug Experience·Meredith Y SmithElaine H Morrato
Jul 5, 2017·Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan·Hiromi HagiwaraMasahiro Tohkin
Nov 7, 2017·British Journal of Clinical Pharmacology·Thomas GoedeckeXavier Kurz
Feb 6, 2020·Drug Safety : an International Journal of Medical Toxicology and Drug Experience·Andrea M RussellMeredith Y Smith

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