Academic drug discovery is a vital component to current drug discovery and development environments. In this study, we investigated 798 drug discovery projects that took place between 1991 and 2015 at 36 academic institutions in the United States. The observed success rates of academic drug discovery and development were 75% at phase I, 50% at phase II, 59% at phase III, and 88% at the new drug application/biologics license application (NDA/BLA) phase. These results were similar to the corresponding success rates of the pharmaceutical industry. Collaboration between academic institutions and the pharmaceutical industry seemed more important at later stages than earlier ones; all projects that succeeded at phase III or the NDA/BLA stage involved academic‐industrial collaboration. Many academic research projects involved neoplasms and infectious diseases, and were focused on small molecules and biologics. The success rates and possible effects of academic‐industrial collaboration seemed to vary depending on disease domains and drug modalities.
The gap between Japan and both the United States (US) and the European Union (EU) with regard to access to new drugs is becoming a major issue in Japan. We analyzed the time lags involved in new drug application (NDA) and biological license application submissions in Japan, the US, and the EU in order to identify the causes of delayed access. The time lag related to submission of applications ("submission lag") was longer for in-licensed products and for non-Japanese companies. Factors related to costs of clinical studies and potential volumes of sales were not associated with the submission lag. A bridging strategy (extrapolative use of foreign clinical data in the clinical data package based on International Conference on Harmonisation guideline E5) seemed to reduce submission lag, but the association between the two diminished when the cause-and-effect relationship was specifically investigated. These results suggest that multinational companies are likely to place more emphasis on the choice of development strategies that successfully lead to their goal rather than on direct costs and expected sales when deciding to introduce their pharmaceutical products in Japan. Our findings indicate that the clinical development guidances that helps pharmaceutical companies decide on investment and strategies are also the key to narrowing the gap in access to new drugs.
Japan is unique among Asian countries in that it requires inclusion of substantial domestic clinical trial data in new drug application data packages. Some question the need for this and call for globalization of approved doses. The current study examines international differences in maximum daily dose of drugs approved in Japan between 2001 and 2007, and for all cardiovascular system (CVS) and central nervous system (CNS) drugs marketed in Japan. For 32% of the drugs approved in Japan between 2001 and 2007, the maximum recommended dose in the United States was > or =2 times higher than the maximum dose approved in Japan. Dose differences were rare for antitumor and antiviral drugs and also for priority-review and orphan drugs. Of all the price-listed CVS drugs currently available in Japan, 65% had maximum doses that were > or =2 times higher in the Netherlands than in Japan; similarly, 57% of the drugs had maximum doses that were > or =2 times higher in the United States than in Japan. For CNS drugs, these figures were 32% (the Netherlands) and 29% (United States). These results underscore the necessity to carry out quantitative analyses to determine the causes of these differences.
Lack of exercise, which increases the risk of many serious physical and mental illness, has been a common health issue in Japan. Recent studies confirm that financial literacy discourages irrational behavior like gambling and smoking. We therefore investigate how financial literacy, as a rational decision-making instrument, relates to peoples’ exercise behavior in Japan. We hypothesize that financial literacy encourages people to exercise regularly. Using Osaka University’s Preference Parameters Study (PPS) for 2010, we categorized respondents into two groups: those who exercise regularly or at least once a week and those who do not. Our probit estimation results show that financial literacy is positively related with exercise behavior, meaning that financially literate people are more likely to exercise regularly. As the COVID-19 health pandemic seems to exacerbate peoples’ physical inactivity, the results of our study show an alternative approach to encourage exercise. We therefore recommend that governments implement a financial literacy improvement policy to alleviate the lack of exercise.
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