Adds flagship antibody-drug conjugate (ADC) ELAHERE® (mirvetuximab soravtansine-gynx) for folate receptor-alpha (FRα) positive platinum-resistant ovarian cancer (PROC) to AbbVie's portfolio ImmunoGen's pipeline complements AbbVie's existing oncology pipeline with potential to be transformative across multiple solid tumors and hematologic malignancies ImmunoGen's late-stage development programs for ELAHERE provide opportunity to expand into earlier lines of therapy and additional patient populations AbbVie ...