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Related Experiment Videos

Tolerance: is it worth the risk?

James D Eason1, Ari J Cohen, Satheesh Nair

  • 1Section of Abdominal Transplantation, Ochsner Clinic Foundation, New Orleans, LA 70121, USA. Jeason@Ochsner.org

Transplantation
|May 10, 2005
PubMed
Summary
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Weaning immunosuppression after liver transplant can lead to tolerance in some patients. However, risks of rejection and adverse events must be carefully considered.

Area of Science:

  • Transplantation immunology
  • Immunosuppression management
  • Graft tolerance

Background:

  • Orthotopic liver transplantation (OLT) success is hindered by immunosuppression side effects.
  • Achieving operational tolerance is a key goal in OLT to minimize long-term complications.

Purpose of the Study:

  • To assess the safety and feasibility of immunosuppression withdrawal in OLT recipients.
  • To evaluate the potential for achieving operational tolerance post-liver transplant.

Main Methods:

  • Study included 18 adult OLT recipients on tacrolimus monotherapy without prior rejection.
  • Tacrolimus was gradually reduced while monitoring liver function tests (LFTs).
  • Rejection episodes were managed by increasing tacrolimus dosage or adding other immunosuppressants/steroids.

Related Experiment Videos

Main Results:

  • Only 1 of 18 patients achieved complete immunosuppression weaning.
  • 61% of patients experienced rejection episodes, requiring intensified immunosuppression.
  • Adverse events included new-onset diabetes, renal failure, and one stroke-related death.

Conclusions:

  • Clinical tolerance is achievable in a small subset of OLT patients on minimal immunosuppression.
  • The benefits of achieving tolerance must be balanced against the risks associated with rejection and its treatment.