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Hepatitis Journey Breaking News in Hepatitis Ospedaletto di Pescantina (VR) 25 Giugno 2014 Pre- e post-trapianto di fegato nell’era dei nuovi antivirali Quali vantaggi dalle nuove terapie ? Stato dell’arte del paziente in lista d’attesa e del paziente trapiantato. Patrizia Burra Multivisceral Transplant Unit Department of Surgery, Oncology and Gastroenterology Padua University Hospital Padua Italy European Liver Transplant Registry DONOR Other risk factors IMMUNOSUPPRESSION ANTIVIRAL THERAPY HCV+ Recipient WORSE FIBROSIS PROGRESSION Burra Seminars Liver Disease 2009 Progression of Severe Chronic Hepatitis (Stage of Fibrosis 3 and 4) in Protocol Liver Biopsies From All Recipients 35 31.0 31 30 25 % 22,2 Fibrosis stage 4 25,8 25.8 HCV alcohol 20 16,7 15 10 5 0 12.5 12,5 HBV 11,1 10 11,1 11,8 9,4 9.4 0 6 months alcohol/HCV 5 0 12 months Fibrosis stage 3 3,4 3,2 0 24 months Cholestatic 0 36 months - -●- - HCV months after liver transplantation Burra Liver Transplantation 2009 Late retransplantation: Padova experience 36% Chronic rejection HCV recurrence 64% Crivellin Transpl Proc 2010 (1) TREATMENT OF CIRRHOTIC PATIENT BEFORE LIVER TRANSPLANTATION (2) TREATMENT OF POST-TRANSPLANT HCV RECURRENCE 2013 On treatment response 292 Telaprevir Hezode J Hep 2013 205 Boceprevir Events Serious adverse event, n (%) Premature discontinuation/due to SAE, n (%) Death, n (%) Infection, n (%) Hepatic decompensation, n (%) Asthenia, n (%) Rash/SCAR, n (%) Renal failure (creatinina clearance <50 mL/min) Anemia, n (%) Erythropoietin use Blood transfusion RBV dose reduction or discontinuation Neutropenia, n (%) Granulocyte-stimulating agent use Thrombocytopenia, n (%) PegIFN dose reduction or discontinuation TVR (n=292) 132 (45.2) BOC (N=205) 67 (32.7) 66 (22.6)/43 (14.7) 54 (26.3)/15 (7.3) 5 (1.7) 19 (6.5) 1 (0.5) 5 (2.4) 6 (2.0) 6 (2.9) 16 (5.5) 14 (4.8)/0 12 (5.8) 0/0 5 (1.7) 0 89 (30.4) 157 (53.8) 47 (16.1) 57 (27.8) 95 (46.3) 13 (6.3) 50 (17.1) 30 (14.6) 8 (2.7) 9 (4.4) 7 (2.4) 9 (4.4) 37 (12.7) 13 (6.4) 89 (30.5) 71 (34.6) Multivariate analysis of factors related to death or severe complications PLT < 100.000/mm3 albumin < 35g/l TELAPREVIR AND BOCEPREVIR: CAUTION IN PATIENTS WITH DECOMPENSATED CIRRHOSIS ! All-oral combination of Daclatasvir (NS5A inhibitor) + Asunaprevir (NS3 inhibitor) in 222 IFN ineligible naïve/intolerant (IN/I) and non responder (NR) Japanese patients infected with HCV G1b, 10% of whom with compensated cirrhosis K. Chayama, Hiroshima University, Japan • SVR12 = 85% • Basal factors (sex, age, liver cirrhosis, HCV-RNA basal load, IL28 polymorphism) seem not to be associated with antiviral response. • Side effects: increased AST (13%) /ALT (16%), headache (15%), diarrhoea (10%), fever (10%). Abstract AASLD 2013 ELECTRON-2 (LDV/SOF±RBV) LDV/SOF ± RBV in Difficult-to-Treat HCV Populations Phase 2, open-label study of LDV/SOF ± RBV for 12 weeks in HCV GT 1 prior SOF relapsers, GT 1 patients with decompensated cirrhosis, and treatment-naïve GT 3 patients Wk 0 • • Wk 24 SVR12 LDV/SOF + RBV GT 1; n=20 CTP class B cirrhotics LDV/SOF Randomized GT 1; n=19 Prior SOF exposure GT 3; n=51 Treatment naïve, including cirrhosis Wk 12 LDV/SOF, n=25 LDV/SOF + RBV, n=26 Prior treatment history of SOF relapsers included SOF + RBV ± DAA Cirrhosis was present in all CTP class B and 16% of GT 3 patients Gane E, EASL 2014 Courtesy Dr Mirandola ELECTRON-2 (LDV/SOF±RBV) SVR12 Results with LDV/SOF±RBV for 12 Weeks in Difficult-to-Treat HCV Populations 100 100 100 65 64 19/19 13/20 16/25 GT1 Retreatment LDV/SOF + RBV GT1 CPT Class B LDV/SOF GT3 Naïve LDV/SOF SVR12 (%) 80 60 40 20 0 Gane E, EASL 2014 26/26 GT3 Naïve LDV/SOF + RBV Ledipasvir/Sofosbuvir ± RBV for 12 or 24 weeks in 440 previously treated G1 HCV+ patients (ION2) – 20% Cirrhosis Absence of Cirrhosis 100 95 86 100 82 Cirrhosis 99 100 99 100 86/87 22/22 88/89 22/22 SVR12 (%) 80 60 40 20 0 83/87 19/22 LDV/SOF 89/89 18/22 LDV/SOF + RBV LDV/SOF 12 Weeks Afdhal N, et al. N Engl J Med 2014 LDV/SOF + RBV 24 Weeks SOF+RBV for Treatment of Chronic HCV with Cirrhosis and Portal HTN ± Decompensation: Week 24 Interim Results Randomized, open-label, safety and efficacy study of SOF+RBV for 48 weeks compared to observation for 6 months in patients with HCV cirrhosis and portal HTN (CTP 5–9) Wk 0 Wk 24 Wk 48 Arm 1 SOF 400 mg + RBV n=25 1000‒1200 mg Arm 2 SOF 400 mg + RBV n=25 Observation 1000‒1200 mg Wk 72 Wk 96 SVR12 SOF + RBV n=25 Observation n=25 18 (72) 20 (80) Median age, y (range) 56 (43‒69) 55 (44‒69) BMI ≥30 kg/m2, n (%) 8 (32) 7 (28) 6.1 (4.4‒7.0) 6.1 (3.8‒6.9) 1a 10 (40) 9 (36) 1b 9 (36) 6 (24) 2 2 (8) 1 (4) 3 2 (8) 8 (32) 4 2 (8) 1 (4) IL28B non-CC, n (%) 22 (88) 18 (72) Prior HCV treatment, n (%) 17 (68) 23 (92) 16.9 (9‒29) 16.2 (7‒27) 19 (76) 20 (80) Male, n (%) Mean HCV RNA, log10 IU/mL (range) SVR12 GT, n (%) Preliminary results Mean HVPG mmHg, n (range) HVPG >12 mmHg, n (%) Afdhal N, EASL 2014 Laboratory Changes SOF+RBV Platelets (103/µL) 20 15 10 5 0 -5 -10 -15 ALT (U/L) Albumin (g/dL) 17 p=0.003 p=NS 1 -1 -9 CTP A Observation 24 weeks CTP B 0.6 0.5 0.4 0.3 0.2 0.1 0 -0.1 -0.2 p=0.001 0.5 p=0.001 20 13 0 0 0.4 -20 -40 0 -60 -80 -0.1 CTP A Afdhal N, EASL 2014 CTP B -72 CTP A -75 CTP B Clinical Event Changes Ascites Hepatic Encephalopathy SOF + RBV n=25 Observation n=25 SOF + RBV n=25 Observation n=25 6 9 5 2 5 8 3 3 0 7 0 4 Patients, n Baseline Week 12 Week 24 Afdhal N, EASL 2014 SOF+RBV for Treatment of Chronic HCV with Cirrhosis and Portal Hypertension ± Decompensation 100 HCV RNA < LLOQ (%) 100 100 94 100 93 75 80 60 94* 100 CTP A CTP B 56 44 40 20 0 2 4 *1 patient was a non-responder at Week 8. 8 Week Afdhal N, EASL 2014 12 24 SOF+RBV for Treatment of Chronic HCV with Cirrhosis and Portal HTN ± Decompensation: Conclusions SOF+RBV for up to 24 weeks resulted in: – High rates of virologic suppression irrespective of severity of liver disease – Decreased necroinflammation with ALT normalization – Improvements in platelet count, albumin, ascites and hepatic encephalopathy – No patient with worsening or new hepatic decompensation Afdhal N, EASL 2014 48 weeks of pre-transplant SOF/RBV to prevent recurrence of HCV infection after liver transplantation for HCC Curry, AASLD 2013/EASL 2014/ILTS 2014 61 patients with compensated cirrhosis (CP<7) and HCC awaiting liver transplantation. 40 transplanted, 37/40 HCV-RNA < 25 UI/L. Post-Transplant HCV Recurrence in patients in whom HCV RNA was non detectable for 28 days prior to transplant No Recurrence (n=29) Recurrence (n=10) No recurrence in 24/25 (96%) of patients who maintained HCV RNA TND >28 days 0 28 28 30 *Wilcoxon rank sum test. Curry AASLD 2013 60 90 120 150 180 210 240 270 300 330 360 Days with HCV RNA Continuously TND Prior to Liver Transplant 390 Take Home Message Cirrhotic patient in the waiting list for transplant • Telaprevir and Boceprevir not to be used in decompensated cirrhosis and compensated patients should be treated if liver transplantation is available in case severe decompensation will occur. • IFN-free regimens are promising in terms of safety and efficacy, but more data are needed to confirm the time interval from SVR and transplant and the potential reduced rate of HCV recurrence after transplant. (1) TREATMENT OF CIRRHOTIC PATIENT BEFORE LIVER TRANSPLANTATION (2) TREATMENT OF POST-TRANSPLANT HCV RECURRENCE RECOLT Italian multicenter retrospective study (AISF) 200 patients who underwent antiviral therapy for HCV recurrence after liver transplantation between 1999 and 2009 with at least two liver biopsies (pre- and post- antiviral therapy) were evaluated. Antiviral therapy: combined PEG-IFN and Ribavirin at standard doses, according to center policy. SVR 35% De Martin AISF 2010 De Martin AISF 2012 Mean stage fibrosis: SVR + vs SVR - P=.029 P=.037 P=.031 Mea fibrosis stage P=ns AT interval time De Martin AISF 2012 P=ns 2014 Virological responses during triple therapy after liver transplantation 18 pz 19 pz Coilly J Hep 2014 Adverse events during triple therapy after liver transplantation Coilly J Hep 2014 A Clinical Case: 61 year old man May 2011 Liver transplantation for HCV-related end stage liver disease MELD 25 Child Pugh C 10 No HCC May 2012, 1 year after liver transplantation • Bilirubin 1.01 mg/dL AST/ALT 108/174 U/L GGT/ALP 69/139 U/L AFP 1.9, albumin 46, PT 67% • Tacrolimus trough level 6 ng/mL • HCV-RNA 6.17 log10 IU/mL Liver Biopsy (May 2012) Hepatitis Activity Index 7 (Ishak score) Portal lymphoid infiltrate + interface hepatitis + parenchyma necrosis (focal and bridging) Fibrosis stage 2 (Ishak score) Pericellular and central fibrosis. Porto-periportal fibrosis, with septa. Triple antiviral therapy with Telaprevir DAY 1 PEG-IFN 180 µgr/week RIBAVIRIN 1000 mg/day TELAPREVIR 750 mg 3 times/day Tacrolimus – Telaprevir interaction in healthy volunteers Telaprevir increases Tacrolimus exposure by 70-fold and 1/2-life from mean 40.7 to 196 hours Garg, Hepatol 2011 Triple antiviral therapy with Telaprevir STOP Tacrolimus 0.5 mg + 0.5 mg 2 days before DAY 5: Skin rash (Grade 1-2, mild/moderate) Dermatological Side Effects of Telaprevir Cacoub, J Hep 2012 WEEK 2: JAUNDICE + LFTs • Bilirubin 5 mg/dL • AST/ALT 134/170 U/L • GGT/ALP 590/229 U/L • WBC 3.37 *109/L, N 1.81 *109/L, Hb 15.6 g/L, Plts 167 * 103/L • Tacrolimus trough level 7.1 ng/mL Severe fatigue Weight loss Depression Evaluation of causes of jaundice • Biliary tract disease • Vascular diseases • Infections • Chronic rejection/Immune mediated graft dysfunction • Pharmacological toxicity Clinical case Tacrolimus trough levels during triple antiviral therapy Trough Levels (ng/mL TAC 9 8 7 6 5 4 3 2 1 0 TAC DAY -1 DAY 1 Tacrolimus 0.5 mg/d once a week DAY 4 Day 3 DAY 7 Day 10 DAY 15 Discussion on causes of jaundice ✓ • Vascular disease ✓ • Infections ✓ • Chronic rejection/Immune mediated graft dysfunction ✓ • Biliary tract disease • Pharmacological toxicity Clinical case: LFTs after admission for jaundice 12.02.13 14.02.13 15.02.13 18.02.13 Bilirubin mg/dl 8.4 1.6 1.5 1.4 GGT 590 433 396 326 ALP 229 199 182 147 AST 134 82 72 49 ALT 170 134 126 79 STOP TELAPREVIR PEG-IFN + RBV therapy was continued for 48 weeks Week 12, HCV-RNA undetectable May 2014, HCV-RNA undetectable TELAPREVIR AND BOCEPREVIR: SVR IS HIGHER BUT ADVERSE EVENTS ARE COMMON IN LIVER TRANSPLANT RECIPIENTS ! SOF for Patients with Severe Recurrent HCV Following Liver Transplant (including Fibrosing Cholestatic Hepatitis) Severe recurrent HCV following LT N=104 SOF 400 mg + RBV* ± PegIFN* SVR12 Up to 48 weeks *Appropriate dose of RBV and/or PegIFN may be added at discretion of investigator Patients approved for compassionate use on an individual request basis X. Forns, EASL 2014 Initial evaluation of the Sofosbuvir Compassionate Use Program for 104 Patients with Severe Recurrent HCV Following Liver Transplantation 100 Patients HCV RNA < LLOQ (%) 87 80 62 60 40 20 81/93 53/85 EOT SVR12 0 X. Forns, EASL 2014 Clinical Outcome: significant decrease in hepatic encephalopathy, improvement or disappearance of ascites, or improvement in liver-related laboratory values 100 80 Patients (%) 62 60 40 21 21 60/104 22/104 22/104 Improved* Stable Worsened/Deceased 20 0 All patients who received ≥1 dose of SOF are included X. Forns, EASL 2014 HCV RNA < LLOQ (%) SOF+RBV in HCV recurrence after liver transplantation (including experienced patients and patients with cirrhosis) 100 100 100 73 80 70 70 29/40 28/40 28/40 SVR4 SVR12 SVR24 60 40 40/40 40/40 20 0 Week 4 EOT LLOQ, lower limit of quantification (25 IU/mL) Samuel D EASL 2014 Courtesy Dr Mirandola Sofosbuvir for Patients with HCV-related Fibrosing Cholestatic Hepatitis Following Liver Transplantation *Bilirubin normalized at Week 9. TE, transient elastography. Forns et al. APASL 2014 A Clinical Case: 63 year old man 8-year post transplant follow up Fibrosis F3, HCV-RNA 29.000 UI/ml, IFN intolerant 12 December 2013 - Compassionate use of Sofosbuvir plus Ribavirin 6-month therapy: normal AST and ALT, undetectable HCV-RNA A clinical case: SOF + RBV in HCV recurrence after liver transplant • • • • • TC, M, 49 years. 21.01.2012: liver transplant (HCV-related cirrhosis with HCC). 14.02.2013: HCV recurrence in liver transplant recipient (HAI 4, F3, Ishak score). Peg-IFN + RBV (06.2013-03.2014): non responder, severe antiviral therapy side effects (asthenia, anaemia). 4.04.2014: SOF + RBV. Baseline 4W AST (U/L) 194 89 ALT (U/L) 50 25 Total Bilirubin (mg/dL) 1.6 1.3 HCV-RNA (UI/mL) 6.031.356 27 Clinical condition Severe hepatic encephalopathy Improved, no hepatic encephalopathy Immunosuppression No adjustements of tacrolimus dosage LONG TERM OUTCOME OF MILD HEPATITIS C RECURRENCE AFTER LIVER TRANSPLANTATION: A LARGE PROSPECTIVE STUDY Martina Gambato1, Gonzalo Crespo1, María-Carlota Londoño, Zoe Mariño, Sabela Lens1, Jose A Carrión1, Pablo Ruiz1, Ignacio Alfaro1, Jaime Bosch1, Rosa Miquel2, Miquel Navasa1 and Xavier Forns1 Liver Unit1, Pathology Department2 Hospital Clínic, IDIBAPS, CIBEREHD Barcelona, Spain Study population Liver Transplantation due to HCVcirrhosis May 1999-March 2012 (n=426) Not included: • Graft survival shorter than 1 year (N=44) • Patients achieved SVR in waiting list (N=20) • Lack of an adequate assessment of HCV recurrence 1 year after LT (N=14) Severe recurrence within 1 year (F≥2/HVPG≥6 mmHg or cholestatic hepatitis C) 1 YEAR Mild recurrence 1 year after LT (F0-1±HVPG<6 mmHg/liver stiffness<8.7 kPa) (n=172) (N=176) Results Log-rank=0.038 Log-rank=0.001 AST≥60 IU/L Donor age≥50 yrs AST<60 IU/L Donor age<50 yrs AST≥ 60 IU/L 36 26 14 6 ≥50 years 40 27 15 5 AST < 60 IU/L 92 58 40 19 < 50 years 89 58 40 20 AST 12 months after LT and donor age were able to stratify slow fibrosers according to the risk of cirrhosis development Results Log-rank<0.001 AST≥60 IU/L + donor age ≥50 years N=28 AST<60 IU/L + donor age <50 years N=80 The combination of AST 12 months after LT and donor age predict cirrhosis development in slow fibrosers Liver stiffness (kPa) Results 18 Cirrhosis group 16 y (kPa)= 5.8 + 1.8 x (t) 14 12 10 8 6 Non-Cirrhosis group 4 y (kPa)= 6.03 + 0.1 x (t) 2 0 12 18 24 Months after LT Patients at higher risk of cirrhosis showed a high slope of liver stiffness progression between 12 and 24 months after LT Conclusions •Up to 30% of slow fibrosers developed cirrhosis due to disease progression during a long follow-up of 10 years after LT •Aspartate aminotransferase 1 year after LT and donor age, and especially their combination, identified slow fibrosers with a higher risk of progression to cirrhosis over time •Slow fibrosers at higher risk of progression to cirrhosis may benefit from antiviral therapy 2014 Joint International Congress ILTS ELITA LICAGE London 4-7 June 2014 The influence of CNIs selection on the outcome of HCV recurrence in liver transplant recipients: a meta-analysis Zhiyong Guo ILTS 2014, O65 8 RCTs 734 patients Incidence of severe fibrosis Fibrosing cholestatic hepatitis Patient survival No differences between Cyclosporine and Tacrolimus Zhiyong Guo ILTS 2014, O65 Patients (%) Immunosuppression in 40 patients treated with Sofosbuvir for HCV recurrence after liver transplantation Tacrolimus Mycophenolate mofetil Prednisone Cyclosporin Azathioprine No interactions reported between SOF and any immunosuppressive agents during study. Charlton MR EASL 2014 ERADICATE Study (NIAID, LDV/SOF) No Changes in Renal Parameters in Transplanted Patients treated with Ledipasvir/Sofosbuvir select KT mean CR CHANGES SELECT GFR NARV vs ARV Estimated Glomerular Filtration Rate 0.9 ARV Untreated ARV Treated 0.6 0.3 0.0 -0.3 -0.6 -0.9 Day Wk Wk Wk Wk SVR SVR 0 2 4 8 12 2 12 30 Mean eGFR change (mL/min) Mean creatinine change (mg/dL) Serum Creatinine ARV Untreated ARV Treated 20 10 0 -10 -20 -30 Osinusi A, EASL 2014 Day Wk Wk Wk Wk SVR SVR 12 12 2 8 4 2 0 Interferon-free regimen of ABT450-ABT267-ABT333 (3D) plus Ribavirin in liver transplant recipient with genotype 1 HCV recurrence • ABT450/ABT267(Ombitasvir)/(150mg/25mg) plus ABT333 (Dasabuvir) (250mgx2) • Ribavirin 1000-1200mg • 24 weeks • Liver biopsy F=<2 • CNIs adjustment required • 34 patients enrolled Kwo EASL 2014 Interferon-free regimen of ABT450-ABT267-ABT333 (3D) plus Ribavirin in liver transplant recipient with genotype 1 HCV recurrence • • • • • RVR 34/34 patients EOTR 13/13 patients SVR4 92% 1 Relapse Adverse events reported in 88.2% of cases (mild) – – – – Fatigue (38%) Headache (35%) 1 patient discontinued the study 5 patients received erythropoietin Kwo EASL 2014 Interferon-free regimen of ABT450-ABT267-ABT333 (3D) plus Ribavirin in liver transplant recipient with genotype 1 HCV recurrence • 3D ABT regimen plus RBV quite well tolerated. • High virological response. • Longer follow-up is needed. Kwo EASL 2014 Take Home Message Liver transplantation • Telaprevir and Boceprevir to be used with caution in liver transplant recipients. • Immunosuppression dose adjustments are always required. • IFN-free regimens studies have confirmed the efficacy, safety and tollerability. • Immunosuppression dose adjustments are not required except for 3D ABT treatment. • Renal function is not affected. • Data on virological relapse rate and how to treat it are needed.