Risk of de novo cancers after transplantation: results from a cohort of 7217 kidney transplant recipients, Italy 1997-2009

Franco Citterio, Gionata Spagnoletti, Pierluca Piselli, Diego Serraino, Giuseppe Paolo Segoloni, Silvio Sandrini, Gian Benedetto Piredda, Maria Piera Scolari, Paolo Rigotti, Ghil Busnach, Piergiorgio Messa, Donato Donati, Francesco Paolo Schena, Maria Cristina Maresca, Giuseppe Tisone, Massimiliano Veroux, Vito Sparacino, Francesco Pisani

Risultato della ricerca: Contributo in rivistaArticolo in rivista

117 Citazioni (Scopus)

Abstract

To assess incidence and risk factors for de novo cancers (DNCs) after kidney transplant (KT), we carried out a cohort investigation in 15 Italian KT centres. Seven thousand two-hundred seventeen KT recipients (64.2% men), transplanted between 1997 and 2007 and followed-up until 2009, represented the study group. Person years (PY) were computed from 30 days after transplant to cancer diagnosis, death, return to dialysis or to study closure. The number of observed DNCs was compared to that expected in the general population of Italy through standardised incidence ratios (SIR) and 95% confidence intervals (CI). To identify risk factors, incidence rate ratios (IRR) were computed. Three-hundred ninety five DNCs were diagnosed during 39.598PYs, with Kaposi's sarcoma (KS), post-transplant lymphoproliferative disorders (PTLD), particularly non-Hodgkin' lymphoma (NHL), lung, kidney and prostate as the most common types. The overall IR was 9.98/1.000PY, with a 1.7-fold augmented SIR (95% CI: 1.6-1.9). SIRs were particularly elevated for KS (135), lip (9.4), kidney carcinoma (4.9), NHL (4.5) and mesothelioma (4.2). KT recipients born in Southern Italy were at reduced risk of kidney cancer and solid tumors, though at a higher KS risk, than those born in Northern Italy. Use of mTOR inhibitors (mTORi) exerted, for all cancers combined, a 46% significantly reduced risk (95% CI: 0.4-0.7). Our study findings confirmed, in Italy, the increased risks for cancer following KT, and they also suggested a possible protective effect of mTORi in reducing the frequency of post transplant cancers.
Lingua originaleEnglish
pagine (da-a)336-344
Numero di pagine9
RivistaEuropean journal of cancer (Oxford, England : 1990)
Volume49
DOI
Stato di pubblicazionePubblicato - 2013

Keywords

  • neoplasia
  • renal transplantation

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