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Once daily calcineurin inhibitor monotherapy in pediatric liver transplantation

U D Ekong1, H Bhagat1, E M Alonso1

  • 1Siragusa Transplant Center, Children's Memorial Hospital, Northwestern University Feinberg School of Medicine, Chicago, IL.

American Journal of Transplantation : Official Journal of the American Society of Transplantation and the American Society of Transplant Surgeons
|April 28, 2010
PubMed

Insights

Pediatric liver transplant patients on reduced-dose, once-daily calcineurin inhibitor (CNI) monotherapy showed successful outcomes. A longer interval post-transplant improved the success rate of this safe therapeutic strategy.

Area of Science:

  • Pediatric Transplant Medicine
  • Immunosuppression Therapy
  • Hepatology

Background:

  • Calcineurin inhibitors (CNIs) are crucial for preventing organ rejection post-transplant.
  • Optimizing CNI dosing is essential to balance efficacy and minimize toxicity in pediatric liver recipients.

Purpose of the Study:

  • To evaluate the safety and efficacy of reduced-dose, once-daily CNI monotherapy in pediatric liver transplant recipients.
  • To identify factors influencing the success of CNI dose reduction and simplified dosing regimens.

Main Methods:

  • Retrospective analysis of 147 pediatric liver transplant recipients (2001-2008).
  • Fifty-six patients meeting specific criteria transitioned to once-daily CNI at half their previous dose.
  • Success defined as normal liver enzymes at 1 year post-dose change with sustained normal levels.

Main Results:

  • Fifty out of 56 patients (89%) successfully achieved the reduced-dose, once-daily CNI regimen.
  • Graft loss did not occur in any patients undergoing this therapy.
  • Successful dose change was associated with a significantly longer interval from initial liver transplantation (p < 0.05).

Conclusions:

  • Reduced-dose, once-daily CNI monotherapy is a safe and effective strategy for carefully selected pediatric liver transplant recipients.
  • A longer post-transplant period is a key factor predicting successful CNI dose reduction and simplified immunosuppression.

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