Cyclosporine
Tradenames: "Sandimmune" and "Neoral"
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- Discovered in soil fungus in 1970, it has tremendously
improved graft survival in all areas of transplantation.
- The cyclosporine compound is soluble only in organic
solvents or lipids, it is insoluble in water. It enters
the cell passively and binds to cyclophilin causing
inactivation of calcium dependent activation of the cell.
- Blocks the signal to lymphocytes to produce IL-1, IL-2,
IL-3, IL-4, and interferon gamma.
- Dosage given based on trough (lowest) blood levels.
Target trough level depends on the organ transplanted and
the time since transplant. Multiple different assays are
available for cyclosporine trough levels, actual values will
vary depending on the assay used.
- Cyclosporine metabolism is in the liver by the cytochrome
p-450 system. Drugs that induce this system will decrease
the level of cyclosporine, drugs that block this system
will increase cyclosporine blood levels
- Side effects include high blood pressure, kidney damage,
tremors, headaches, seizures, excessive hair growth,
excessive gum growth, confusion, coma, and gout.
Last modified:
11 May 2000