Rilzabrutinib for the Adult Participants With Chronic ITP Who Have Completed Phase 3 Study in Japan

Study Summary

This is an open-label, multi-center, single group, Phase 3 study for treatment with rilzabrutinib. The purpose of this study is to provide continuation of rilzabrutinib treatment to adult participants with ITP who have completed the LTE of the LUNA 3 study in Japan, demonstrating clinically meaningful benefit as judged by the Investigator.