JMACCT clinical trials registry
JMACCT
https://dbcentre3.jmacct.med.or.jp/jmactr/Default_Eng.aspx
The JMACCT (Japan Medical Association, Center for Clinical Trials) clinical trials registry is a primary clinical trial registry recognised by WHO and ICMJE that enables the registration of clinical trials.
https://rctportal.niph.go.jp/en/
primary registry