Kidney transplant (KT) recipients are known to be at risk of developing several cancer types; however, cancer mortality in this population is underinvestigated. Our study aimed to assess the risk of cancer death among Italian KT recipients compared to the corresponding general population. A cohort study was conducted among 7373 individuals who underwent KT between 2003 and 2020 in 17 Italian centers. Date and cause of death were retrieved until 31 December 2020. Indirect standardization was used to estimate standardized mortality ratios (SMRs) and corresponding 95% confidence intervals (CIs). Cancer was the most common cause of death among the 7373 KT recipients, constituting 32.4% of all deaths. A 1.8-fold excess mortality (95% CI: 1.59-2.09) was observed for all cancers combined. Lymphomas (SMR = 6.17, 95% CI: 3.81-9.25), kidney cancer (SMR = 5.44, 95% CI: 2.97-8.88) and skin melanoma (SMR = 3.19, 95% CI: 1.03-6.98) showed the highest excess death risks. In addition, SMRs were increased about 1.6 to 3.0 times for cancers of lung, breast, bladder and other hematopoietic and lymphoid tissues. As compared to the general population, relative cancer mortality risk remained significantly elevated in all age groups though it decreased with increasing age. A linear temporal increase in SMR over time was documented for all cancers combined (P < .01). Our study documented significantly higher risks of cancer death in KT recipients than in the corresponding general population. Such results support further investigation into the prevention and early detection of cancer in KT recipients.

Cancer mortality after kidney transplantation: A multicenter cohort study in Italy / Taborelli, Martina; Serraino, Diego; Cimaglia, Claudia; Furian, Lucrezia; Biancone, Luigi; Busnach, Ghil; Bossini, Nicola; Citterio, Franco; Veroux, Massimiliano; Iaria, Maurizio; Argiolas, Davide; Todeschini, Paola; Manzia, Tommaso Maria; Pisani, Francesco; Cantaluppi, Vincenzo; Simone, Simona; Mangino, Margherita; Campise, Mariarosaria; Ambrosini, Andrea; Caputo, Flavia; Piselli, Pierluca. - In: INTERNATIONAL JOURNAL OF CANCER. - ISSN 0020-7136. - STAMPA. - 154:5(2024), pp. 842-851. [10.1002/ijc.34787]

Cancer mortality after kidney transplantation: A multicenter cohort study in Italy

Todeschini, Paola;Ambrosini, Andrea;
2024

Abstract

Kidney transplant (KT) recipients are known to be at risk of developing several cancer types; however, cancer mortality in this population is underinvestigated. Our study aimed to assess the risk of cancer death among Italian KT recipients compared to the corresponding general population. A cohort study was conducted among 7373 individuals who underwent KT between 2003 and 2020 in 17 Italian centers. Date and cause of death were retrieved until 31 December 2020. Indirect standardization was used to estimate standardized mortality ratios (SMRs) and corresponding 95% confidence intervals (CIs). Cancer was the most common cause of death among the 7373 KT recipients, constituting 32.4% of all deaths. A 1.8-fold excess mortality (95% CI: 1.59-2.09) was observed for all cancers combined. Lymphomas (SMR = 6.17, 95% CI: 3.81-9.25), kidney cancer (SMR = 5.44, 95% CI: 2.97-8.88) and skin melanoma (SMR = 3.19, 95% CI: 1.03-6.98) showed the highest excess death risks. In addition, SMRs were increased about 1.6 to 3.0 times for cancers of lung, breast, bladder and other hematopoietic and lymphoid tissues. As compared to the general population, relative cancer mortality risk remained significantly elevated in all age groups though it decreased with increasing age. A linear temporal increase in SMR over time was documented for all cancers combined (P < .01). Our study documented significantly higher risks of cancer death in KT recipients than in the corresponding general population. Such results support further investigation into the prevention and early detection of cancer in KT recipients.
2024
Cancer mortality after kidney transplantation: A multicenter cohort study in Italy / Taborelli, Martina; Serraino, Diego; Cimaglia, Claudia; Furian, Lucrezia; Biancone, Luigi; Busnach, Ghil; Bossini, Nicola; Citterio, Franco; Veroux, Massimiliano; Iaria, Maurizio; Argiolas, Davide; Todeschini, Paola; Manzia, Tommaso Maria; Pisani, Francesco; Cantaluppi, Vincenzo; Simone, Simona; Mangino, Margherita; Campise, Mariarosaria; Ambrosini, Andrea; Caputo, Flavia; Piselli, Pierluca. - In: INTERNATIONAL JOURNAL OF CANCER. - ISSN 0020-7136. - STAMPA. - 154:5(2024), pp. 842-851. [10.1002/ijc.34787]
Taborelli, Martina; Serraino, Diego; Cimaglia, Claudia; Furian, Lucrezia; Biancone, Luigi; Busnach, Ghil; Bossini, Nicola; Citterio, Franco; Veroux, Massimiliano; Iaria, Maurizio; Argiolas, Davide; Todeschini, Paola; Manzia, Tommaso Maria; Pisani, Francesco; Cantaluppi, Vincenzo; Simone, Simona; Mangino, Margherita; Campise, Mariarosaria; Ambrosini, Andrea; Caputo, Flavia; Piselli, Pierluca
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