A Phase I, Multicenter, Dose Escalation Study of CAT-8015 in Participants With Chronic Leukemia

Participants received a single intravenous infusion of 5 mcg/kg moxetumomab pasudotox (CAT-8015) on Days 1, 3, and 5 of every 28-day cycle and continued cycles of therapy until progressive disease (PD) or until otherwise they become ineligible.

Participants received a single intravenous infusion of 10 mcg/kg moxetumomab pasudotox (CAT-8015) on Days 1, 3, and 5 of every 28-day cycle and continued cycles of therapy until progressive disease (PD) or until otherwise they become ineligible.

Participants received a single intravenous infusion of 20 mcg/kg moxetumomab pasudotox (CAT-8015) on Days 1, 3, and 5 of every 28-day cycle and continued cycles of therapy until progressive disease (PD) or until otherwise they become ineligible.