Astellas commits to disclose clinical trial information for Astellas-sponsored clinical trials. You can see that information in the following website.
To learn more about clinical trials in general, visit these helpful Web sites:
Japic Clinical Trials Information (Japanese)
(Clinical trials being conducted in Japan from April 2018 to August 2020)
jRCT (Japanese / English)
(Clinical trials being conducted in Japan since September 2020)
In addition, if you are interested in viewing the results of an Astellas clinical trial, visit Astellas Clinical Trials Results