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COMPLETED"}],"title":"Japan Safety Lead-In"}],"preAssignmentDetails":"Participants with diagnosis of RRMM were enrolled in this study consisting of Part 1 (Dose Escalation), Part 2 (Dose Expansion), Part 3 (Dose Extension), \\& Japan Safety Lead-in to receive modakafusp alfa with/without dexamethasone. 4 participants enrolled in study but discontinued without receiving TAK-573 dosing and are thus not presented below.","recruitmentDetails":"Participants took part in the study at various investigative sites globally from 4 October 2017 to 7 November 2024."}