Response to single-agent modakafusp alfa in patients with R/R MM. (A) Responses over time in 20 patients who had an overall response (partial or better) among 89 patients in the study who received single-agent modakafusp alfa. (B) Rates of sCR, CR, VGPR, and PR in patients who were treated with modakafusp alfa 1.5 mg/kg Q4W, 3 mg/kg Q4W, and all other doses and schedules of single-agent modakafusp alfa. ∗Includes patients in dose escalation (n = 5) and dose expansion (n = 25). ^†One patient was not response evaluable. (C) Exploratory subgroup analyses in 37 patients treated with modakafusp alfa 1.5 mg/kg or 3 mg/kg Q4W. MR, minimal response; PR, partial response; QW, weekly; SD, standard deviation; sCR, stringent CR; yr, year.