Cyclosporine nephrotoxicity: pathogenesis, prophylaxis, therapy, and prognosis

Area of Science:

• Nephrology
• Immunosuppression Therapy
• Transplantation Medicine

Background:

• Cyclosporine (CsA) is vital for transplant success but causes significant nephrotoxicity.
• Nephrotoxicity manifests acutely, subacutely, or chronically, affecting various nephron levels.
• CsA-induced nephrotoxicity mimics or complicates graft rejection diagnosis.

Purpose of the Study:

• To review the mechanisms and clinical presentation of CsA nephrotoxicity.
• To discuss current management strategies for CsA nephrotoxicity in allotransplantation.
• To highlight the need for predictive markers for personalized CsA dosing.

Main Methods:

• Literature review of CsA nephrotoxicity.
• Analysis of clinical presentations and diagnostic challenges.
• Evaluation of current therapeutic approaches and future directions.

Main Results:

• CsA nephrotoxicity involves arteriolar, glomerular, and tubular damage.
• Clinical signs include reduced GFR, hyperkalemia, and hypertension.
• Current management involves CsA dose reduction and azathioprine (Aza) addition, risking rejection.

Conclusions:

• Predicting patients at risk for CsA nephrotoxicity is crucial.
• Developing new CsA dosing regimens based on pharmacokinetic and pharmacodynamic properties can improve the therapeutic index.
• Personalized immunosuppression is key to minimizing CsA-related complications.