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  • Title: Impact of prohepcidin levels and iron parameters on early post-transplantation toxicities.
    Author: Akı SZ, Paşaoğlu H, Yeğin ZA, Suyanı E, Demirtaş CY, Ozkurt ZN, Yağcı M, Sucak GT.
    Journal: Hematology; 2011 Sep; 16(5):284-90. PubMed ID: 21902892.
    Abstract:
    OBJECTIVE: Recent reports show the adverse impact of pre-transplantation iron overload on the outcome of haematopoietic stem cell transplantation (HSCT). We studied the pre-transplantation serum iron (SI) parameters including prohepcidin levels - a regulatory peptide of systemic iron homeostasis - and their role in early post-transplantation toxicities in allogeneic HSCT recipients. PATIENTS AND METHODS: One hundred consecutive patients [36 women and 64 men; median age 27·5 years (range 16-63 years)] who underwent allogeneic HSCT between September 2003 and October 2007 at Gazi University were included in the study. RESULTS: Pre-transplantation serum prohepcidin levels did not show correlation with SI parameters and interleukin-6 levels (P>0·05). Prohepcidin levels were inversely correlated with the National Cancer Institute grade of mucositis (P=0·060), neutropenic fever (P<0·001), and the number of days with febrile neutropenia (P=0·003). SI levels were correlated with the severity of hepatotoxicity (P=0·015) while pre-transplantation transferrin saturation levels were positively correlated with the severity of hepatotoxicity (P=0·055), pulmonary toxicity (P=0·032), and sinusoidal obstruction syndrome (P=0·049). Pre-transplantation serum ferritin levels were positively correlated with the development of sinusoidal obstruction syndrome (P=0·010) and inversely correlated with the day of neutrophil engraftment (P=0·012). Overall survival was 41·26% with a median follow-up time of 13 months (range 0·0-60 months). Pre-transplantation serum prohepcidin levels and iron overload were not associated with survival in Cox regression analysis. CONCLUSION: Our results suggest that pre-transplantation iron parameters and prohepcidin levels might predict some of the early post-transplantation toxicities, however, without an impact on overall survival.
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