This Website is established and operated by Astellas Pharma Inc. (hereinafter referred to as Astellas Pharma). We would like to request users to read the following Terms of Use carefully before using this Website. By using the Website, users are regarded as having agreed to abide by the following Terms of Use and all the related laws and regulations.


1. Environment for use

The following environment is recommended for browsing this Website. Some of the site many not be accessed in environments other than those recommended. Please note that even under the recommended environment some contents may not be usable due to special technical materials.

OS·Web browser
• Windows: The latest version of EDGE, Google Chrome
• Mac OS X: The latest version of Safari

JavaScript is used in this Website. It is recommended to change the settings of your browser to enable JavaScript in order to easily use all contents.

In this Website, information called Cookies are stored in the PC used to browse this site, for the purpose of providing better content. The cookies used in this site do not infringe on your privacy or PC environment. It is possible to prohibit the use of cookies by changing the settings of your browser. However, please note that some contents or functions may become unavailable due to such a change.

Use of Cookies
*As of April 2018

Cookies are used also for statistics analysis on the status of the use of this Website and measurement of the effect of advertisement.

About TLS security
In order to improve site security, all pages are encrypted with TLS 1.2 (Transport Layer Security).



All the contents included in this Website are the property of Astellas Pharma and providers of respective contents, which are protected by copyright laws, various treaties and other laws and regulations in each country. The use of this Website is restricted to personal use for non-commercial purposes, and other extent approved by laws and regulations. You are not allowed to download and/or duplicate contents beyond that extent.


3.Trademarks, etc.

The rights of trademarks, service marks, business names, designs, etc., indicated within this Website are lawfully protected. Unauthorized use of them and other acts of piracy are prohibited.


4. Precautions related to HTML

DOCTYPE declaration
This Website is made by using a coding method complying with HTML5. However, please understand that some contents have been ported by maintaining the XHTML 1.0 Strict, HTML 4.01 Transitional format.

Package and modules
Please understand that some package and modules unauthorized for source alteration, due to copyright and other reasons, do not comply with the syntax of XHTML 1.0 Strict.



This Website includes product information of Astellas Pharma. Such information is not necessarily matching with that of products marketed outside Japan, as the information is based on products marketed within Japan. Many of the products published in this Website are ethical pharmaceuticals requiring prescription by physicians, etc. The purpose of their contents is not to publicize or advertise the efficacy of the products.

This Website does not intend to provide advice or services that should be carried out by physicians, chemists and other medical practitioners or does not act as their substitute.

Please refer to Cautionary Statement on the page of Investor Relations.


6.Services and contents

Astellas Pharma is paying its utmost attention to information published in this Website. However, it cannot guarantee all of its accuracy, usability and soundness of the contents, as well as safety of being free from errors and/or virus infection, etc. Astellas Pharma is not responsible for any damage caused by the use or existence of this Website or information published on this Website.


7.Revisions to and availability of the Website

Astellas Pharma reserves the right to revise the contents of information published on this Website or to close it down without providing any advance notification.



If you wish to place a link to this Website, please contact Astellas Pharma beforehand to obtain its approval. Astellas Pharma assumes no responsibility for Websites of third parties placing a link to/from this Website.



These Terms of Use are governed by the laws of Japan and should be interpreted in the light of such laws. Any dispute relating to these Terms of Use is to be filed with the Tokyo District Court as the exclusive court of jurisdiction for the initial hearing.