Mycophenolate Mofetil Withdrawal With Conversion to Everolimus to Treat BK Virus Infection in Kidney Transplant Recipients

D. Wojciechowski, S. Chandran, A. Webber, R. Hirose, F. Vincenti

Research output: Contribution to journalArticle

8 Scopus citations

Abstract

Background BK virus (BKV) is a significant post-transplant infection. Mammalian target of rapamycin inhibitors (mTORis) reduce BKV large T antigen expression in vitro and are associated with lower rates of BKV infection when used as de novo immunosuppression in clinical studies. Methods We performed a prospective, single-center, randomized, open label pilot trial to evaluate the impact of mycophenolate mofetil (MMF) withdrawal with conversion to the mTORi everolimus versus a 50% reduction of the MMF dose for the treatment of BKV infection after kidney transplantation. Patients maintained on tacrolimus, MMF, and corticosteroids that developed BK viremia or BK viruria ≥1 × 106 copies/mL were eligible. The primary endpoint was a >50% reduction of BK viruria or clearance of viremia at 3 months postrandomization. Results Forty patients were enrolled and randomized in a 1:1 manner; 11 (55%) and 8 patients (40%) reached the primary endpoint in the everolimus group and the MMF group, respectively (P =.53). Of those with BK viremia at the time of enrollment, 8 of 16 (50%) and 5 of 15 (33.3%) cleared the viremia by month 3 in the everolimus conversion and MMF dose reduction groups, respectively (P =.47). Conclusion Conversion from MMF to everolimus in BKV infection demonstrated a trend toward improved viral clearance but did not reach statistical significance.

Original languageEnglish (US)
Pages (from-to)1773-1778
Number of pages6
JournalTransplantation Proceedings
Volume49
Issue number8
DOIs
StatePublished - Oct 2017
Externally publishedYes

ASJC Scopus subject areas

  • Surgery
  • Transplantation

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