Anticancer Drug Prescription Patterns in Japan: Future Directions in Cancer Therapy

Shoyo Shibata1, Maiko Matsushita2, Yoshimasa Saito3

  • 11 Division of Basic Biological Sciences, Faculty of Pharmacy, Keio University, Minato-ku, Tokyo, Japan.

Abstract

Insights

The anticancer drug market in Japan grew significantly from 2010-2016, driven by expensive molecular targeted therapies. Effective genetic testing can help manage rising cancer treatment costs.

Area of Science:

  • Oncology
  • Health Economics
  • Pharmaceutical Market Analysis

Background:

  • Rising healthcare expenditures are linked to new cancer treatments.
  • Limited health budgets necessitate cost-effective therapeutic strategies.
  • Understanding prescribing trends is crucial for economic research.

Purpose of the Study:

  • Analyze anticancer drug prescribing trends in Japan (2010-2016).
  • Identify trends for future medical economic research.
  • Inform the development of cost-effective cancer therapies.

Main Methods:

  • Utilized publicly available marketing data for anticancer drugs in Japan (2010-2016).
  • Categorized drugs using the Anatomical Therapeutic Chemical Classification System.
  • Investigated market size, drug counts, top-selling categories, sales, and prescription volumes.

Main Results:

  • The anticancer agent market expanded annually, exceeding 1 trillion yen in 2015.
  • Molecular targeted drugs (antineoplastic mAbs, protein kinase inhibitors) increased in proportion and sales.
  • These targeted therapies now dominate cancer pharmacotherapy.

Conclusions:

  • Innovative, expensive targeted therapies drive pharmaceutical expenditure increases for cancer treatment in Japan.
  • Effective utilization of genetic testing can help mitigate rising cancer treatment costs.

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