Pre-made Tositumomab benchmark antibody (Radiolabelled antibody, anti-MS4A1/CD20 therapeutic antibody, Anti-B1/Bp35/CVID5/FMC7/LEU-16/S7 Antibody) is a biosimilar expressed by mammalian cell line as a benchmark reference therapeutic antibody for biological drug disovery items including cell culture, assay development, animal model development, PK/PD model development (Pharmacokinetics & Pharmacodynamic) and mechanism of action (MOA) research.
Tositumomab is a murine monoclonal antibody which targets the CD2 antigen produced in mammalian cell.[1] It was combined with iodine-131 to produce a radiopharmaceutical for unsealed source radiotherapy, Iodine-131 Tositumomab (branded as Bexxar), for the treatment of non-Hodgkins lymphoma.[1] It is classified as a IgG2a lambda antibody.[1][2]