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| 1 | De novo malignancies after liver transplantation: The effect of immunosuppression-personal data and review of literature显示文摘BACKGROUND Immunosuppression has undoubtedly raised the overall positive outcomes in the post-operative management of solid organ transplantation. However, long-term exposure to immunosuppression is associated with critical systemic morbidities. De novo malignancies following orthotopic liver transplants (OLTs) are a serious threat in pediatric and adult transplant individuals. Data from different experiences were reported and compared to assess the connection between immunosuppression and de novo malignancies in liver transplant patients. AIM To study the role of immunosuppression on the incidence of de novo malignancies in liver transplant recipients. METHODS A systematic literature examination about de novo malignancies and immunosuppression weaning in adult and pediatric OLT recipients was described in the present review. Worldwide data were collected from highly qualified institutions performing OLTs. Patient follow-up, immunosuppression discontinuation and incidence of de novo malignancies were reported. Likewise, the review assesses the differences in adult and pediatric recipients by describing the adopted immunosuppression regimens and the different type of diagnosed solid and blood malignancy.RESULTS Emerging evidence suggests that the liver is an immunologically privileged organ able to support immunosuppression discontinuation in carefully selected recipients. Malignancies are often detected in liver transplant patients undergoing daily immunosuppression regimens. Post-transplant lymphoproliferative diseases and skin tumors are the most detected de novo malignancies in the pediatric and adult OLT population, respectively. To date, immunosuppression withdrawal has been achieved in up to 40% and 60% of well-selected adult and pediatric recipients, respectively. In both populations, a clear benefit of immunosuppression weaning protocols on de novo malignancies is difficult to ascertain because data have not been specified in most of the clinical experiences. CONCLUSION The selected populations of tolerant pediatric and adult liver transplant recipients greatly benefit from immunosuppression weaning. There is still no strong clinical evidence on the usefulness of immunosuppression withdrawal in OLT recipients on malignancies. An interesting focus is represented by the complete reconstitution of the immunological pathways that could help in decreasing the incidence of de novo malignancies and may also help in treating liver transplant patients suffering from cancer. | Tommaso Maria Manzia Roberta Angelico Carlo Gazia Ilaria Lenci Martina Milana Oludamilola T Ademoyero Domiziana Pedini Luca Toti Marco Spada Giuseppe Tisone Leonardo Baiocchi | 2019 | World Journal of Gastroenterology2019，25，35： | 3 |
| 2 | Impact of immunosuppression minimization and withdrawal in long-term hepatitis C virus liver transplant recipients显示文摘AIM:To investigate the effects of different immunosuppressive regimens and avoidance on fibrosis progression in hepatitis C virus(HCV)liver transplant(LT)recipients.METHODS:We retrospectively compared the liver biopsies of well-matched HCV LT recipients under calcineurin inhibitors(CNI group,n=21)and mycophenolate(MMF group,n=15)monotherapy,with those patients who successfully withdrawn immunosuppression(IS)therapy from at least 3 years(TOL group,n=10).To perform the well-matched analysis,all HCV transplanted patients from December 1993 were screened.Only those HCV patients who reached the following criteria were considered for the analysis:(1)at least3 years of post-operative follow-up;(2)patients with normal liver graft function under low dose CNI monotherapy(CNI group);(3)patients with normal liver graft function under antimetabolite(Micophenolate Mofetil or coated mycophenolate sodium)monotherapy(MMF group);and(4)recipients with normal liver function without any IS.We excluded from the analysis recipients who were IS free or under monotherapy for<36 mo,recipients with cirrhosis or with unstable liver function tests.RESULTS:Thirty six recipients were enrolled in the study.Demographics,clinical data,time after LT and baseline liver biopsies were comparable in the three groups.After six years of follow-up,there was no worsening of hepatic fibrosis in the MMF group(2.5±1.5Ishak Units vs 2.9±1.7 Ishak Units,P=0.5)and TOL group(2.7±10.7 vs 2.5±1.2,P=0.2).In contrast,a significant increase in the fibrosis score was observed in the CNI group(2.2±1.7 vs 3.9±1.6,P=0.008).The yearly fibrosis progression rate was significantly worse in the CNI group(0.32±0.35)vs MMF group(0.03±0.31,P=0.03),and TOL group(-0.02±0.27,P=0.02).No differences have been reported in grading scores for CNI group(2.79±1.9,P=0.7),MMF group(3.2±1.5,P=0.9)and TOL group(3.1±1.4,P=0.2).Twenty four patients were treated with low dose ribavirin(8TOL,7 MMF,9 CNI).The hepatitis C titers were comparable in the three groups.No episodes of rejection have been reported despite differences of liver function test in the three groups during the observational period.CONCLUSION:IS withdrawal and MMF monotherapy is safe and seems to be associated with the slowest fibrosis progression in HCV LT recipients. | Tommaso Maria Manzia Roberta Angelico Paolo Ciano Jon Mugweru Kofi Owusu Daniele Sforza Luca Toti Giuseppe Tisone | 2014 | World Journal of Gastroenterology2014，20，34： | 3 |
| 3 | Liver Transplantation in the Presence of Portal Vein Thrombosis : Report From a Single Center 显示文摘 | Orlando G Luca LD Toti L | 2004 | Transplantation Proceedings2004，36，： | 1 |
| 4 | Liver Transplantation in the Presence of Portal Vein Thrombosis:Report From a Single Center显示文摘 | Orlando G Luca LD Toti L | 2004 | Transplantation Proceedings2004，36，： | 1 |
| 5 | Liver transplantation for the treatment of nodular regenerative hyperplasia显示文摘 | Tommaso Maria Manzia Gianpiero Gravante Daniele Di Paolo Giuseppe Orlando Luca Toti Maria Irene Bellini Paolo Ciano Mario Angelico Giuseppe Tisone | 2011 | Digestive and Liver Disease2011，，12： | 1 |
| 6 | Complete weaning off immunosuppression in HCV liver transplant recipients is feasible and favourably impacts on the progression of disease recurrence显示文摘 | Giuseppe Tisone Giuseppe Orlando Andrea Cardillo Giampiero Palmieri Tommaso Maria Manzia Leonardo Baiocchi Raffaella Lionetti Alessandro Anselmo Luca Toti Mario Angelico | 2006 | Journal of Hepatology2006，，4： | 1 |
| 7 | Liver transplantation in the presence of portal vein thrombosis:report from a single center显示文摘 | Orlando G De Luca L Toti L | 2004 | Transplant Proc2004，36，1： | 1 |
| 8 | Liver transplantation in the presence of portal vein thrombosis: report from a single center 显示文摘 | Orlando G Luca LD Toti L | 2004 | Transplantation Proceedings2004，36，： | 1 |
| 9 | Liver transplantation in the presence of portal vein thrombosis: report from a single center显示文摘 | Orlando G De Luca L Toti L | 2004 | Transplant Proc2004，36，1： | 1 |
| 10 | Intra-arterial chemotherapy with melphalan for intraocular retinoblastoma显示文摘 | Sandra Bracco Sara Leonini Sonia De Francesco Samuele Cioni Paola Gennari Ignazio Maria Vallone Pietro Piu Daniela Galimberti Daniele Giuseppe Romano Mauro Caini Mariacarla De Luca Paolo Toti Paolo Galluzzi Theodora Hadjistilianou Alfonso Cerase | 2013 | British Journal of Ophthalmology2013，，9： | 1 |
| 11 | Liver Transplantation in the Presence of Portal Vein Thrombosis:Report From a Single Center显示文摘 | Orlando G Luca LD Toti L | 2004 | Transplantation Proceedings2004，36，： | 1 |
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