Table 1.
Select immunosuppressive agents and their targets.
| Generic name | Brand or other name | Primary target/action | FDA approved for use in human transplantation |
|---|---|---|---|
| Abatacept | CTLA4-Ig | Blocks CD80/CD86 on antigen-presenting cells; prevents CD28 T cell activation | Off label |
| Alemtuzumab | Campath1-H | Depletes T cells, some B cells (not plasma cells). Expression on other immune cells varies | Off label |
| Anti-CD52 | |||
| Lemtrada | |||
| Alefacept | LFA3-Ig | Blocks LFA3/CD2, results in T memory cell apoptosis | No |
| Anti-thymocyte globulin | ATG | Primarily T cell depletion | Yes |
| Thymoglobulin | |||
| Basiliximab | Anti-IL-2R antibody | Targets IL-2Rα (CD25) on activated T cells; blocks IL-2R | Yes |
| Belatacept | LEA29Y | Same as abatacept, but higher affinity | Yes |
| (CTLA4-Ig variant) | |||
| Nulojix | |||
| Bortezomib | Proteasome inhibitor | Plasma cell apoptosis | Off label |
| Cyclophosphamide | Cytoxan; CYP | Myeloablative drug | Off label |
| Cyclosporine | CSA | Calcineurin inhibitor; prevents IL-2 production | Yes |
| Efalizumab | Anti-LFA-1 | Targets T memory cells | No |
| Raptiva | |||
| Mycophenolate Mofetil | MMF | Inhibits T and B cell proliferation | Yes |
| Rituximab | Anti-CD20 antibody | Targets CD20 on B cells (not plasma cells) and induces their apoptosis | Off label |
| Rituxan | |||
| Sirolimus | Rapamycin/Rapamune | mTOR inhibitor; blocks T and B cell activation/proliferation | Yes |
| Tacrolimus | FK506 | Calcineurin inhibitor; prevents IL-2 production | Yes |