• A "New" Road to Tolerance: Clonal Deletion and Drugs Added When Needed (DAWN).

A "New" Road to Tolerance: Clonal Deletion and Drugs Added When Needed (DAWN).

 

Terasaki PI, Everly ML, Kaneku H, Hoshino J, Vanikar AV, Patel HV, Shah PR, Trivedi HL.

Clinical Transplants 2010, Chapter 24


Abstract

We propose clonal deletion--immunization followed by deletion--as a \new\" way to achieve tolerance. Immunization of a donor results in specific stimulation of a clone of cells which can then be killed by various agents leaving the patient otherwise immunologically normal. The theory of clonal deletion is supported by experimental evidence as well as earlier experiences with kidney transplants and donor-specific transfusions. To date 22 patients who underwent clonal deletion have been surviving for 1.5 to 2.5 years with only low-dose prednisone. In addition those patients who required conventional immunosuppressive drugs were treated with the new Drugs Added When Needed (DAWN) protocol. With DAWN as a tactic ready for intervention and by using antibodies to monitor the completeness of clonal deletion we assure that patients are subjected to the minimal amount of drugs on a personalized basis. We suggest that risks involved in testing this new procedure are small and the benefits immeasurable."     

A "New" Road to Tolerance: Clonal Deletion and Drugs Added When Needed (DAWN).

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