Summary of the Third International Workshop on Clinical Tolerance

Tatsuo Kawai, Joseph Leventhal, Kathryn Wood, Samuel Strober*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

24 Scopus citations


The Third International Workshop on Clinical Tolerance was held in Stanford, California, September 8–9, 2017. This is a summary of Workshop presentations of clinical trials designed to withdraw or minimize immunosuppressive (IS) drugs in kidney and liver transplant patients without subsequent evidence of rejection. All clinical protocols had in common the use of donor or recipient cell therapy combined with organ transplantation. Tolerance to HLA matched and mismatched living donor kidney transplants with complete withdrawal of IS drugs without subsequent rejection for up to 14 years of observation was achieved in more than 50 patients enrolled in trials in four medical centers after the establishment of transient or persistent chimerism. Complete IS drug withdrawal without chimerism was reported in a prospective trial of liver transplantation combined with injection of regulatory T cells. IS drug minimization without rejection was reported in recipients of living donor kidney transplants enrolled in the One Study consortium after injection of recipient regulatory T cells, or injection of donor regulatory monocytes or dendritic cells. In conclusion, considerable progress has been made in achieving IS drug withdrawal after cell therapy in recipients of organ transplants.

Original languageEnglish (US)
Pages (from-to)324-330
Number of pages7
JournalAmerican Journal of Transplantation
Issue number2
StatePublished - Feb 2019


  • clinical research/practice
  • clinical trial
  • immunosuppressant
  • immunosuppression/immune modulation

ASJC Scopus subject areas

  • Transplantation
  • Pharmacology (medical)
  • Immunology and Allergy


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