PurposeTo establish a new medical information database network (designated MID‐NET®) to provide real‐world data for drug safety assessments in Japan.MethodsThis network was designed and developed by the Ministry of Health, Labour and Welfare and the Pharmaceuticals and Medical Devices Agency in collaboration with 23 hospitals from 10 healthcare organizations across Japan. MID‐NET® is a distributed and closed network system that connects all collaborative organizations through a central data center. A wide variety of data are available for analyses, including clinical and administrative information. Several coding standards are used to standardize the data stored in MID‐NET® to allow the integration of information originating from different hospitals. A rigorous and consistent quality management system was implemented to ensure that MID‐NET® data are of high quality and meet Japanese regulatory standards (good post‐marketing study practice and related guidelines).ResultsMID‐NET® was successfully established as a reliable and valuable medical information database and was officially launched in April 2018. High data quality with almost 100% consistency was confirmed between original data in hospitals and the data stored in MID‐NET®. A major advantage is that approximately 260 clinical laboratory test results are available for analysis.ConclusionsMID‐NET® is expected to be a major data source for drug safety assessments in Japan. Experiences and best practices established in MID‐NET® may provide a model for the future development of similar database networks.
There is growing interest in the utilization of real‐world data (RWD) and real‐world evidence (RWE) for regulatory purposes. However, there are challenges in the practical utilization of RWD to provide RWE as a basis for regulatory decision making. This article presents the regulatory initiatives in Japan and efforts taken to promote the utilization of RWD/RWE for regulatory decision making at the pre‐ and postapproval stages of a drug. There has been a rapid increase in the number of RWD cases evaluated for drug safety assessment in Japan. Nevertheless, more regulatory experiences and considerations are necessary for the utilization of RWD in the efficacy evaluation of a drug. Based on past experiences, data reliability and appropriateness of the methodology for analysis are the major discussion points in utilizing RWD and RWE for regulatory decision making. International harmonization of regulatory requirements is another important area in utilizing RWD and sharing the RWE globally. We describe our perspective on providing RWE, which is useful for regulatory decision making throughout a drug’s life cycle.
Humulone, a bone resorption inhibitor isolated from hop extract, induced apoptosis in the premyocytic leukemia cell line HL-60 between 1 and 100 micrograms/ml. Our data suggested that there was a correlation between the apoptosis-inducing activity of humulone and its antioxidative activity.
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