A commentary was published in the Japan Society of Clinical Trials and Research. This content is a commentary on the 19th Conference on CRC and Clinical Trials in September 2019.

Yukiko Nishimura and Harumasa Nakamura, Symposium 2: Working Together to Develop Orphan Drugs It's not always a good thing, but that's when it happens, Jpn Pharmacol Ther. 48（9）1512, 2020.