AbbVie Acquires Rights to Ichnos Glenmark's Lead Myeloma Antibody (ISB 2001) in $1.93 Billion Deal on July 12, 2025 AbbVie bis(3-bis(4-chlorophenyl)methyl-4-dimethylaminophenyl)amine CD3 Antigens CD38 Antigen Clinical Trials Ichnos Glenmark ISB Multiple Myeloma Phase 1 (qualifier value) trispecific antibody +