Approval Times for New Drugs in Japan Analysis of new drugs approved in 2003

Shunsuke Ono* and Orie Asaka

No.24 : November 2004

In this study, precise data on approval times for new drugs in 2003 in Japan were collected and review performance was evaluated. The median approval times for the standard and priority NDAs were 20.5 months, which was slightly longer than in either 2001 or 2002. The median review times for the standard and priority NDAs were 11.3 months and 4.4 months, respectively. In addition to the information on approval times

In addition to the information on approval times, this report refers to the analysis of clinical phase durations.

  • * Faculty of Pharmaceutical Sciences, Kanazawa University
    Faculty of Pharmaceutical Sciences, Kanazawa University

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