A multicenter, single-arm clinical trial of an assertive case management intervention for preventing suicide reattempts at psychiatric hospitals in Japan: ACTION-JP study

This trial was registered on the University Hospital Medical Information Network clinical trials registry: UMIN000057009 (Date of registration: April 1, 2025) and the Japan Registry for Clinical Trials: jRCT1010250041 (Date of registration: October 20, 2025).