Table 2.
Agent | Diseases treated | Radionucleotide | Linker | Antibody type | Developmental stage |
---|---|---|---|---|---|
Ibritumomab tiuxetan88,89 |
Relapsed/refractory B-cell non-Hodgkin lymphoma |
Yttrium-90 or Indium-111 |
Not cleaved | Mouse monoclonal IgG1 targeting CD20 |
FDA approved in 2002 |
| |||||
Iodine tositumomab92,93 |
Follicular lymphoma | Iodine-131 | Not cleaved |
Mouse monoclonal IgG2 targeting CD20 |
FDA approved in 2003 Discontinued by manufacturer in 2014 |
| |||||
90Y-DOTA-biotin with NR-LU-10 pretargeting antibody100 |
Colorectal cancer | Yttrium-90 | NA | Mouse monoclonal IgG2 targeting Ep-CAM (expressed by epithelial tumours) |
Proof of concept, proved too toxic and ineffective |
| |||||
Targeted α-therapy99,100 |
NA | α-Particle | NA | NA | In preclinical development |
Abbreviation: NA, not applicable.