An Open-Label, Phase 1b, Multiple Ascending Dose Study of OM336 in Participants With Active Autoimmune Cytopenias

Key Inclusion Criteria: * Active autoimmune cytopenia * Relapsed/refractory after ≥1 prior treatment * Body weight ≥ 55 kg * Willing to comply with and study requirements and procedures Key Exclusion Criteria: * Previous treatment with a BCMA-targeted therapy * Clinically significant infection within 3 months of screening * Major surgery or splenectomy within 3 months of screening or planned during the study * Pregnant or breastfeeding