Drug Usage Trend study

Alzheimer’s disease treatment drugs

Of the 6 branded drugs in Alzheimer’s disease treatment, Aricept had the highest usage rate at 93%, followed by Memary (75%) and Yokukansan (66%). For the rate of product awareness, the top 3 drugs were the same order as the usage rate. (See graph below)
As for usage rate of main products that the respondents expect to increase in the future, except Aricept, all drugs were expected to increase; the highest drug was Memary, followed by Reminyl.
Also, 20% of the respondents have plans to start using a new product within the next six months.

  • Target samples: N=413 with internal medicine doctors, neurologists, and psychiatrists
  • Study period: May ~ June 2014
  • Studied products: Aricept, Memary, Reminyl, Exelon patch, Yokukansan(traditional Chinese herbal medicine “yi-gan san”)
  • Studied items: average monthly number of patients and prescriptions, product awareness and usage rates, product satisfaction, the reasons for use, future usage expectations (short-term), intentions of switching, rate of not switching to generic products, reasons for adopting new products, and number of sales rep visits
  • SSRI Drug Usage Trend study is a physician study that started in 1984, which focuses on products in various therapeutic areas