Active malignancy; multiple myeloma; myeloproliferative or lymphoproliferative disorder; or a history of any of these conditions within 5 years prior to informed consent (except curatively treated in situ cervical carcinoma, cutaneous basal cell carcinoma or cutaneous squamous cell carcinoma)History of major immunologic reaction (eg, serum sickness, anaphylaxis or anaphylactic reaction) to any other biologic product or any excipient of rocatinlimabDiagnosis of a helminth parasitic infection within 6 months prior to day 1 pre-randomization visit that had not been treated with or had failed to respond to standard of care therapy.