We evaluated the effectiveness of induction therapy on transplant outcomes during 2004-2007 in the United States. We retrospectively reviewed OPTN/UNOS registry and selected kidney pediatric (<21-yr) recipients that received no induction (NoIND), IL-2RA, or rabbit anti-THY and were discharged with a triple drug immunosuppressive maintenance regimen, including steroids. Of 2932 recipients, 20%, 36%, and 43% were in NoIND, THY, and IL-2RA groups, respectively. The majority received tacrolimus (88%) and MMF (89%) at discharge. There was no association of induction with the risk of acute rejection even after adjusting for known cofounders. Compared to NoIND, IL2-RA, but not THY, had a modest decrease (3%) in absolute rate of graft loss and was associated with a risk reduction ratio of 0.51 (95% CI, 0.31-0.84) in one-yr graft loss. At three yr, no induction agent was associated with decreased graft loss. In conclusion, induction agents were used in 80% of pediatric kidney recipients discharged with a triple drug immunosuppressive maintenance regimen between 2004-2007 in the United States. Neither THY nor IL-2RA was associated with reduced rejection episodes. The use of induction therapy was not associated with improvement in three-yr graft survival.
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http://dx.doi.org/10.1111/j.1399-3046.2010.01335.x | DOI Listing |
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