Fumitaka Suzuki

Summary

Affiliation: Toranomon Hospital
Country: Japan

Publications

  1. ncbi request reprint Long-term efficacy and emergence of multidrug resistance in patients with lamivudine-refractory chronic hepatitis B treated by combination therapy with adefovir plus lamivudine
    Fumitaka Suzuki
    Department of Hepatology, Toranomon Hospital, 2 2 2 Toranomon, Minato ku, Tokyo, 105 8470, Japan
    J Gastroenterol 49:1094-104. 2014
  2. doi request reprint Prevalence of hepatitis C virus variants resistant to NS3 protease inhibitors or the NS5A inhibitor (BMS-790052) in hepatitis patients with genotype 1b
    Fumitaka Suzuki
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    J Clin Virol 54:352-4. 2012
  3. doi request reprint Long-term efficacy of interferon therapy in patients with chronic hepatitis B virus infection in Japan
    Fumitaka Suzuki
    Department of Hepatology, Toranomon Hospital, 2 2 2 Toranomon, Minato ku, Tokyo 105 8470, Japan
    J Gastroenterol 47:814-22. 2012
  4. ncbi request reprint Efficacy of lamivudine therapy and factors associated with emergence of resistance in chronic hepatitis B virus infection in Japan
    Fumitaka Suzuki
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    Intervirology 46:182-9. 2003
  5. doi request reprint Efficacy and safety of entecavir in lamivudine-refractory patients with chronic hepatitis B: randomized controlled trial in Japanese patients
    Fumitaka Suzuki
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    J Gastroenterol Hepatol 23:1320-6. 2008
  6. doi request reprint Sustained virological response in a patient with chronic hepatitis C treated by monotherapy with the NS3-4A protease inhibitor telaprevir
    Fumitaka Suzuki
    Department of Hepatology, Toranomon Hospital, 2 2 2 Toranomon, Minato ku, Tokyo 105 8470, Japan
    J Clin Virol 47:76-8. 2010
  7. ncbi request reprint Single nucleotide polymorphism of the MxA gene promoter influences the response to interferon monotherapy in patients with hepatitis C viral infection
    F Suzuki
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    J Viral Hepat 11:271-6. 2004
  8. ncbi request reprint Clinical and virological features of non-breakthrough and severe exacerbation due to lamivudine-resistant hepatitis B virus mutants
    Fumitaka Suzuki
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    J Med Virol 78:341-52. 2006
  9. ncbi request reprint HBe antigen loss during lamivudine therapy is not caused by mutations in precore and core promoter genes in patients with chronic hepatitis B
    Fumitaka Suzuki
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    J Med Virol 70:355-60. 2003
  10. ncbi request reprint Efficacy of switching to entecavir monotherapy in Japanese lamivudine-pretreated patients
    Fumitaka Suzuki
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    J Gastroenterol Hepatol 25:892-8. 2010

Detail Information

Publications110 found, 100 shown here

  1. ncbi request reprint Long-term efficacy and emergence of multidrug resistance in patients with lamivudine-refractory chronic hepatitis B treated by combination therapy with adefovir plus lamivudine
    Fumitaka Suzuki
    Department of Hepatology, Toranomon Hospital, 2 2 2 Toranomon, Minato ku, Tokyo, 105 8470, Japan
    J Gastroenterol 49:1094-104. 2014
    ..In this retrospective study, we investigated the long-term clinical course of these patients with or without multidrug resistance mutations...
  2. doi request reprint Prevalence of hepatitis C virus variants resistant to NS3 protease inhibitors or the NS5A inhibitor (BMS-790052) in hepatitis patients with genotype 1b
    Fumitaka Suzuki
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    J Clin Virol 54:352-4. 2012
    ..A combination therapy with two direct-acting antivirals has shown promising results in patients with HCV-1b, but the prevalence of drug-resistant variants before treatment is not known in the Japanese population...
  3. doi request reprint Long-term efficacy of interferon therapy in patients with chronic hepatitis B virus infection in Japan
    Fumitaka Suzuki
    Department of Hepatology, Toranomon Hospital, 2 2 2 Toranomon, Minato ku, Tokyo 105 8470, Japan
    J Gastroenterol 47:814-22. 2012
    ..Few studies have investigated the long-term effects of interferon (IFN) therapy for chronic hepatitis B (CHB). In this retrospective study, we investigated the efficacy of and predictors of response to IFN therapy in CHB patients...
  4. ncbi request reprint Efficacy of lamivudine therapy and factors associated with emergence of resistance in chronic hepatitis B virus infection in Japan
    Fumitaka Suzuki
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    Intervirology 46:182-9. 2003
    ..However, the patient cohorts in such studies are relatively small...
  5. doi request reprint Efficacy and safety of entecavir in lamivudine-refractory patients with chronic hepatitis B: randomized controlled trial in Japanese patients
    Fumitaka Suzuki
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    J Gastroenterol Hepatol 23:1320-6. 2008
    ..We conducted a randomized, double-blind, multicenter study in Japan (ETV-052) evaluating the efficacy and safety of two doses of entecavir in adult patients with lamivudine-refractory chronic hepatitis B infection...
  6. doi request reprint Sustained virological response in a patient with chronic hepatitis C treated by monotherapy with the NS3-4A protease inhibitor telaprevir
    Fumitaka Suzuki
    Department of Hepatology, Toranomon Hospital, 2 2 2 Toranomon, Minato ku, Tokyo 105 8470, Japan
    J Clin Virol 47:76-8. 2010
    ..Although it is presently unknown whether the R130K and Q195K substitutions are related to SVR, this case suggests that long-term telaprevir monotherapy may be effective in CH-C patients with genotype 1 and a low viral load...
  7. ncbi request reprint Single nucleotide polymorphism of the MxA gene promoter influences the response to interferon monotherapy in patients with hepatitis C viral infection
    F Suzuki
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    J Viral Hepat 11:271-6. 2004
    ..0075]. Our findings suggested that the SNP of the MxA gene is one of the important host factors that independently influences the response to IFN in patients with chronic HCV infection, especially those with a low viral load...
  8. ncbi request reprint Clinical and virological features of non-breakthrough and severe exacerbation due to lamivudine-resistant hepatitis B virus mutants
    Fumitaka Suzuki
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    J Med Virol 78:341-52. 2006
    ..More substitutions in the rt region and the other proteins may be related to the emergence of severe hepatitis caused by lamivudine-resistant virus...
  9. ncbi request reprint HBe antigen loss during lamivudine therapy is not caused by mutations in precore and core promoter genes in patients with chronic hepatitis B
    Fumitaka Suzuki
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    J Med Virol 70:355-60. 2003
    ..Our data suggested that during lamivudine therapy, core promoter and precore mutations do not influence HBeAg loss or seroconversion but may reduce the viral level upon HBeAg loss or seroconversion...
  10. ncbi request reprint Efficacy of switching to entecavir monotherapy in Japanese lamivudine-pretreated patients
    Fumitaka Suzuki
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    J Gastroenterol Hepatol 25:892-8. 2010
    ..To assess the efficacy of switching Japanese chronic hepatitis B patients from lamivudine monotherapy to entecavir 0.5 mg/day...
  11. ncbi request reprint Changes in viral loads of lamivudine-resistant mutants and evolution of HBV sequences during adefovir dipivoxil therapy
    Fumitaka Suzuki
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    J Med Virol 78:1025-34. 2006
    ..ADV tended to select wild-type virus from precore mutants. Moreover, viruses that were wild-type in the rt region reappeared after 1 year of ADV coadministration in some patients...
  12. ncbi request reprint Selection of a virus strain resistant to entecavir in a nucleoside-naive patient with hepatitis B of genotype H
    Fumitaka Suzuki
    Department of Hepatology, Toranomon Hospital, 2 2 2 Toranomon, Tokyo, Japan
    J Clin Virol 39:149-52. 2007
  13. doi request reprint Correlation between serum hepatitis B virus core-related antigen and intrahepatic covalently closed circular DNA in chronic hepatitis B patients
    Fumitaka Suzuki
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    J Med Virol 81:27-33. 2009
    ....
  14. doi request reprint Influence of ITPA polymorphisms on decreases of hemoglobin during treatment with pegylated interferon, ribavirin, and telaprevir
    Fumitaka Suzuki
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    Hepatology 53:415-21. 2011
    ..039), but the total RBV dose was no different between them (49 ± 17% and 54 ± 18% of the target, P = 0.531). Sustained virological response (SVR) was achieved in 70% and 64% of them, respectively (P = 0.724)...
  15. ncbi request reprint [Markers of hepatitis virus]
    Fumitaka Suzuki
    Department of Hepatology, Toranomon Hospital, Tokyo 105 8470, Japan
    Rinsho Byori 56:1014-8. 2008
    ..Moreover, hepatitis E virus (HEV) infection has been reported in Japan. The clinical features and viral markers of HEV have also been described...
  16. ncbi request reprint Mutations of polymerase, precore and core promoter gene in hepatitis B virus during 5-year lamivudine therapy
    Fumitaka Suzuki
    Department of Gastroenterology, Toranomon Hospital, 2 2 2 Toranomon, Minato ku, Tokyo 105 8470, Japan
    J Hepatol 37:824-30. 2002
    ..The aim of this study was to determine the changes in these regions in patients with chronic hepatitis B virus (HBV) infection treated with lamivudine for 5 years...
  17. ncbi request reprint Influence of the hepatitis B e antigen/anti-HBe status on the response to lamivudine
    Fumitaka Suzuki
    Department of Gastroenterology, Toranomon Hospital, 2 2 2, Minato ku, Tokyo 105 8470, Japan
    Intervirology 46:339-43. 2003
    ..The optimal therapeutic regimen of lamivudine for chronic hepatitis B is not agreed upon, especially with reference to hepatitis B e antigen (HBeAg) or the corresponding antibody (anti-HBe) in sera of patients...
  18. ncbi request reprint Predictors of viral kinetics to peginterferon plus ribavirin combination therapy in Japanese patients infected with hepatitis C virus genotype 1b
    Norio Akuta
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    J Med Virol 79:1686-95. 2007
    ..This study identified predictors of efficacy of PEG-IFN-RBV therapy based on viral kinetics in Japanese patients infected with HCV genotype 1b...
  19. ncbi request reprint Interferon-induced prolonged biochemical response reduces hepatocarcinogenesis in hepatitis C virus infection
    Yasuji Arase
    Department of Hepatology, Toranomon Hospital, Toranomon, Minato ku, Tokyo, Japan
    J Med Virol 79:1485-90. 2007
    ..026). The relative risk of HCC development in patients with BR was 0.36 compared with patients without BR. The attainment of BR during IFN therapy is effective in reducing hepatocarcinogenesis for patients with chronic HCV infection...
  20. ncbi request reprint Substitution of amino acid 70 in the hepatitis C virus core region of genotype 1b is an important predictor of elevated alpha-fetoprotein in patients without hepatocellular carcinoma
    Norio Akuta
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    J Med Virol 80:1354-62. 2008
    ..The results highlight the importance of eradication of mutant type virus of aa 70 for reducing the risk of hepatocarcinogenesis...
  21. ncbi request reprint A long-term glycyrrhizin injection therapy reduces hepatocellular carcinogenesis rate in patients with interferon-resistant active chronic hepatitis C: a cohort study of 1249 patients
    Kenji Ikeda
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    Dig Dis Sci 51:603-9. 2006
    ....
  22. ncbi request reprint Combination therapy of peginterferon and ribavirin for chronic hepatitis C patients with genotype 1b and low-virus load
    Yasuji Arase
    Department of Hepatology, Toranomon Hospital, Tokyo
    Intern Med 48:253-8. 2009
    ..The aim of this study was to evaluate the efficacy of combination therapy of peginterferon and ribavirin in patients infected with hepatitis C virus (HCV) genotype 1b and low virus load...
  23. ncbi request reprint Lamivudine monotherapy for spontaneous severe acute exacerbation of chronic hepatitis B
    Akihito Tsubota
    Department of Gastroenterology, Toranomon Hospital, Minato, Tokyo, Japan
    J Gastroenterol Hepatol 20:426-32. 2005
    ..The purpose of the present paper was to identify factors that could influence the rapid progression of liver disease to hepatic failure, and assess the effects of lamivudine on serious disease...
  24. ncbi request reprint Predictive factors of early and sustained responses to peginterferon plus ribavirin combination therapy in Japanese patients infected with hepatitis C virus genotype 1b: amino acid substitutions in the core region and low-density lipoprotein cholesterol l
    Norio Akuta
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    J Hepatol 46:403-10. 2007
    ..Here, we determined the predictive factors of sustained virological response (SVR) and early virologic response (EVR) to this treatment...
  25. doi request reprint Clinicopathological features, background liver disease, and survival analysis of HCV-positive patients with hepatocellular carcinoma: differences between young and elderly patients
    Hiromi Saneto
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    J Gastroenterol 43:975-81. 2008
    ..The aim of this retrospective study was to determine the incidence and characteristics of hepatocellular carcinoma (HCC) in hepatitis C virus (HCV) antibody-positive elderly patients with chronic hepatitis without cirrhosis...
  26. ncbi request reprint Prediction of response to pegylated interferon and ribavirin in hepatitis C by polymorphisms in the viral core protein and very early dynamics of viremia
    Norio Akuta
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    Intervirology 50:361-8. 2007
    ..To evaluate power of amino acid polymorphisms in core protein of hepatitis C virus (HCV) for predicting sustained virological response (SVR) to pegylated interferon (Peg-IFN)/ribavirin, when they were combined with virological response...
  27. doi request reprint A matched case-controlled study of 48 and 72 weeks of peginterferon plus ribavirin combination therapy in patients infected with HCV genotype 1b in Japan: amino acid substitutions in HCV core region as predictor of sustained virological response
    Norio Akuta
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    J Med Virol 81:452-8. 2009
    ..Substitution of aa 70 and 91 is also a useful pretreatment predictor of response to 72-week PEG-IFN/RBV...
  28. ncbi request reprint Sustained virological response reduces incidence of onset of type 2 diabetes in chronic hepatitis C
    Yasuji Arase
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    Hepatology 49:739-44. 2009
    ..73; 95% CI 1.77-4.20; P < 0.001), the patient had pre-diabetes (hazard ratio 2.19; 95% CI 1.43-3.37; P < 0.001), and age was >or=50 years (hazard ratio 2.10; 95% CI 1.38-3.18; P < 0.001)...
  29. ncbi request reprint Predictive factors of virological non-response to interferon-ribavirin combination therapy for patients infected with hepatitis C virus of genotype 1b and high viral load
    Norio Akuta
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    J Med Virol 78:83-90. 2006
    ....
  30. doi request reprint Necessities of interferon therapy in elderly patients with chronic hepatitis C
    Kenji Ikeda
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    Am J Med 122:479-86. 2009
    ..The significance of antiviral therapy for elderly patients with chronic hepatitis C virus (HCV) infection has not been elucidated...
  31. doi request reprint Influence of amino-acid polymorphism in the core protein on progression of liver disease in patients infected with hepatitis C virus genotype 1b
    Mariko Kobayashi
    Research Institute for Hepatology, Toranomon Hospital, Tokyo, Japan
    J Med Virol 82:41-8. 2010
    ....
  32. ncbi request reprint Association of amino acid substitution pattern in core protein of hepatitis C virus genotype 1b high viral load and non-virological response to interferon-ribavirin combination therapy
    Norio Akuta
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    Intervirology 48:372-80. 2005
    ..Non-virological responders (NVRs, namely ultimate resistant cases) who do not achieve HCV-RNA negativity during treatment are also encountered. We investigated the pretreatment virological features of NVRs...
  33. doi request reprint HBcrAg is a predictor of post-treatment recurrence of hepatocellular carcinoma during antiviral therapy
    Tetsuya Hosaka
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    Liver Int 30:1461-70. 2010
    ....
  34. ncbi request reprint Efficacy of low-dose intermittent interferon-alpha monotherapy in patients infected with hepatitis C virus genotype 1b who were predicted or failed to respond to pegylated interferon plus ribavirin combination therapy
    Norio Akuta
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    J Med Virol 80:1363-9. 2008
    ....
  35. doi request reprint Virological response and hepatocarcinogenesis in lamivudine-resistant hepatitis B virus genotype C patients treated with lamivudine plus adefovir dipivoxil
    Norio Akuta
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    Intervirology 51:385-93. 2008
    ..The long-term efficacy of adefovir dipivoxil in combination with lamivudine to chronic hepatitis B virus (HBV) infection is still unclear...
  36. ncbi request reprint Long-term outcome after interferon therapy in elderly patients with chronic hepatitis C
    Yasuji Arase
    Department of Gastroenterology, and Hepatic Research Unit, Toranomon Hospital, Toranomon, Tokyo, Japan
    Intervirology 50:16-23. 2007
    ..The purpose of this study was to elucidate the long-term outcome after interferon (IFN) therapy in chronic hepatitis C elderly patients...
  37. doi request reprint Amino acid substitutions in the hepatitis C virus core region of genotype 1b affect very early viral dynamics during treatment with telaprevir, peginterferon, and ribavirin
    Norio Akuta
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    J Med Virol 82:575-82. 2010
    ....
  38. ncbi request reprint High-dose interferon alpha-2b induction therapy in combination with ribavirin for Japanese patients infected with hepatitis C virus genotype 1b with a high baseline viral load
    Akihito Tsubota
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    J Gastroenterol 39:155-61. 2004
    ....
  39. ncbi request reprint Interferon monotherapy for patients with chronic hepatitis C and normal serum aminotransferase levels at commencement of treatment
    Satoshi Mamori
    Department of Gastroenterology, Toranomon Hospital, 2 2 2 Toranomon, Minato ku, 105 8470 Tokyo, Japan
    J Gastroenterol 39:776-82. 2004
    ....
  40. doi request reprint Amino acid substitution in HCV core region and genetic variation near the IL28B gene affect viral dynamics during telaprevir, peginterferon and ribavirin treatment
    Norio Akuta
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    Intervirology 55:417-25. 2012
    ....
  41. ncbi request reprint Serum KL-6 level is elevated in chronic hepatitis C patients with combination therapy of pegylated interferon and ribavirin
    Yasuji Arase
    Department of Hepatology, Toranomon Hospital, Tokyo
    Intern Med 46:1155-60. 2007
    ..The aim of this study was to evaluate whether or not combination therapy of pegylated interferon (IFN) and ribavirin for chronic hepatitis (CH) C patients enhances the serum level of KL-6, a sensitive marker for interstitial pneumonia...
  42. doi request reprint Efficacy of entecavir treatment for lamivudine-resistant hepatitis B over 3 years: histological improvement or entecavir resistance?
    Yoshiyuki Suzuki
    Department of Hepatology, Toranomon Hospital, Takatsu ku, Kawasaki City, Japan
    J Gastroenterol Hepatol 24:429-35. 2009
    ..However, hepatitis B virus (HBV) mutants resistant to lamivudine emerge frequently accompanied by breakthrough hepatitis...
  43. ncbi request reprint Comparison of interferon and lamivudine treatment in Japanese patients with HBeAg positive chronic hepatitis B
    Yasuji Arase
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    J Med Virol 79:1286-92. 2007
    ..002). Our results suggest that (1) IFN and LMV are the similar effect on response, (2) IFN therapy is more effective for younger patients...
  44. ncbi request reprint Interferon lowers tumor recurrence rate after surgical resection or ablation of hepatocellular carcinoma: a pilot study of patients with hepatitis B virus-related cirrhosis
    Takashi Someya
    Department of Hepatology, Toranomon Hospital, 2 2 2 Toranomon, Minato ku, Tokyo 105 8470, Japan
    J Gastroenterol 41:1206-13. 2006
    ..Hepatocellular carcinoma (HCC) caused by hepatitis B virus (HBV) often recurs after surgical or medical treatment...
  45. doi request reprint An open pilot study exploring the efficacy of fluvastatin, pegylated interferon and ribavirin in patients with hepatitis C virus genotype 1b in high viral loads
    Hitomi Sezaki
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    Intervirology 52:43-8. 2009
    ..Response to pegylated (PEG) interferon (IFN) and ribavirin is achieved only in 40-50% of patients infected with hepatitis C virus (HCV) of genotype 1 in high viral loads, which needs to be improved...
  46. doi request reprint Amino acid substitution in hepatitis C virus core region and genetic variation near the interleukin 28B gene predict viral response to telaprevir with peginterferon and ribavirin
    Norio Akuta
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    Hepatology 52:421-9. 2010
    ....
  47. ncbi request reprint Factors associated with the virological response of lamivudine-resistant hepatitis B virus during combination therapy with adefovir dipivoxil plus lamivudine
    Tetsuya Hosaka
    Department of Gastroenterology, Toranomon Hospital, 2 2 2 Toranomon, Tokyo 105 8470, Japan
    J Gastroenterol 42:368-74. 2007
    ..The aim of this study was to investigate the factors associated with the response of lamivudine-resistant hepatitis B virus (HBV) during combination therapy with adefovir dipivoxil plus lamivudine...
  48. doi request reprint Low risk of adefovir resistance in lamivudine-resistant chronic hepatitis B patients treated with adefovir plus lamivudine combination therapy: two-year follow-up
    Hiromi Yatsuji
    Department of Hepatology, Toranomon Hospital, 2 2 2 Toranomon, Minato ku, Tokyo 105 8470, Japan
    J Hepatol 48:923-31. 2008
    ..We studied the long-term efficacy (median follow-up of 28 months) of adefovir (ADV) in combination with lamivudine (LAM) in 132 LAM-resistant Japanese patients with chronic genotype C-dominant hepatitis B virus (HBV) infection...
  49. ncbi request reprint Amino acid substitutions in the hepatitis C virus core region are the important predictor of hepatocarcinogenesis
    Norio Akuta
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    Hepatology 46:1357-64. 2007
    ..In multicourse IFN therapy to nondouble wild-type, we emphasize the importance of reducing the risk of hepatocarcinogenesis by mean ALT during an IFN-free period below 1.5 times the upper limit of normal...
  50. doi request reprint Diabetes enhances hepatocarcinogenesis in noncirrhotic, interferon-treated hepatitis C patients
    Yusuke Kawamura
    Department of Hepatology, Toranomon Hospital, Minato ku, Tokyo, Japan
    Am J Med 123:951-956.e1. 2010
    ..This retrospective cohort study assessed the impact of diabetes mellitus on hepatocarcinogenesis and determined the predictors of hepatocarcinogenesis in noncirrhotic, interferon-treated patients with hepatitis C virus infection...
  51. doi request reprint Efficacy in patients with dose reduction in combination therapy of peginterferon and ribavirin for chronic hepatitis C
    Yasuji Arase
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    Intervirology 51:1-6. 2008
    ..The aim of this study was to elucidate efficacy after dose reduction in combination therapy of peginterferon and ribavirin for chronic hepatitis C...
  52. ncbi request reprint Long-term follow-up of interferon monotherapy in 454 consecutive naive patients infected with hepatitis C virus: multi-course interferon therapy may reduce the risk of hepatocellular carcinoma and increase survival
    Norio Akuta
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    Scand J Gastroenterol 40:688-96. 2005
    ..The long-term effects of multi-course interferon (IFN) monotherapy in patients infected with hepatitis C virus (HCV) are still unclear...
  53. ncbi request reprint Anticarcinogenic impact of interferon on patients with chronic hepatitis C: a large-scale long-term study in a single center
    Kenji Ikeda
    Department of Gastroenterology, Toranomon Hospital, Toranomon 2 2 2, Minato ku, Tokyo 105 8470, Japan
    Intervirology 49:82-90. 2006
    ..The anticarcinogenic capacity of interferon (IFN) was assessed in a cohort of Japanese patients with chronic hepatitis C en masse...
  54. ncbi request reprint Early viral kinetics and treatment outcome in combination of high-dose interferon induction vs. pegylated interferon plus ribavirin for naive patients infected with hepatitis C virus of genotype 1b and high viral load
    Akihito Tsubota
    Department of Gastroenterology, Toranomon Hospital, Minato ku, Tokyo, Japan
    J Med Virol 75:27-34. 2005
    ..919. The results suggest that early monitoring of viral kinetics is a useful measure to predict virological response, and might facilitate development of rational and effective therapeutic strategies...
  55. ncbi request reprint Recurrence rate and prognosis of patients with hepatocellular carcinoma that developed after elimination of hepatitis C virus RNA by interferon therapy. A closed cohort study including matched control patients
    Kenji Ikeda
    Department of Gastroenterology, Toranomon Hospital, and Okinaka Memorial Institute for Medical Research, Tokyo, Japan
    Oncology 65:204-10. 2003
    ..Although hepatocellular carcinoma does develop after sustained response to interferon (IFN) in patients with chronic hepatitis C, details on the clinical prognosis have not been elucidated yet...
  56. doi request reprint Amino acid substitutions in hepatitis C virus core region predict hepatocarcinogenesis following eradication of HCV RNA by antiviral therapy
    Norio Akuta
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    J Med Virol 83:1016-22. 2011
    ..This study emphasizes the importance of detection of aa substitutions in the core region before antiviral therapy...
  57. ncbi request reprint Favorable efficacy of long-term lamivudine therapy in patients with chronic hepatitis B: an 8-year follow-up study
    Norio Akuta
    Department of Gastroenterology, Toranomon Hospital, 2 2 2 Toranomon, Minato ku, Tokyo 105 0001, Japan
    J Med Virol 75:491-8. 2005
    ..None developed cirrhosis or hepatocellular carcinoma (HCC) during follow-up. Our results suggest that long-term lamivudine therapy improves long-term prognosis, especially when additional treatment for breakthrough hepatitis is used...
  58. ncbi request reprint Virological and biochemical relapse after discontinuation of lamivudine monotherapy for chronic hepatitis B in Japan: comparison with breakthrough hepatitis during long-term treatment
    Norio Akuta
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    Intervirology 48:174-82. 2005
    ..Comparison of virological and biochemical relapse in patients with chronic hepatitis B, based on continuation or discontinuation of lamivudine monotherapy...
  59. ncbi request reprint Persistence of acute infection with hepatitis B virus genotype A and treatment in Japan
    Yoshiyuki Suzuki
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    J Med Virol 76:33-9. 2005
    ..Infection was cleared in only one of the six (17%) patients who received antiviral therapy...
  60. ncbi request reprint The efficacy of short-term interferon-beta therapy for chronic hepatitis C patients with low virus load
    Yusuke Kawamura
    Department of Hepatology, Toranomon Hospital, Tokyo
    Intern Med 47:355-60. 2008
    ..The aim of this study was to elucidate the efficacy of short-term interferon (IFN) therapy for chronic hepatitis C patients with low virus load...
  61. doi request reprint Association of amino acid substitution pattern in core protein of hepatitis C virus genotype 2a high viral load and virological response to interferon-ribavirin combination therapy
    Norio Akuta
    Department of Hepatology, Toranomon Hospital, Tokyo 105 0001, Japan
    Intervirology 52:301-9. 2009
    ....
  62. ncbi request reprint Association of HLA-DR14 with the treatment response in Japanese patients with autoimmune hepatitis
    Yoshiyuki Suzuki
    Department of Hepatology, Toranomon Hospital, Takatsu ku, Kawasaki City, Japan
    Dig Dis Sci 55:2070-6. 2010
    ..Influence of human lymphocyte antigen (HLA) on the therapeutic response in autoimmune hepatitis (AIH) is not known...
  63. ncbi request reprint Hepatocarcinogenesis following HCV RNA eradication by interferon in chronic hepatitis patients
    Miharu Hirakawa
    Department of Hepatology, Toranomon Hospital, Tokyo
    Intern Med 47:1637-43. 2008
    ..The aim of the present study was to determine the rate of hepatocarcinogenesis and the risk factor in sustained virological responders...
  64. ncbi request reprint Efficacy of 6-month interferon therapy in chronic hepatitis B virus infection in Japan
    Fumitaka Suzuki
    Department of Gastroenterology, Toranomon Hospital, 2 2 2 Toranomon, Minato ku, 105 8470, Tokyo, Japan
    J Gastroenterol 39:969-74. 2004
    ..In Japan, there are few studies of long-term (more than 1 month) interferon (IFN) therapy for chronic hepatitis B (CHB). In this retrospective study, we investigated the efficacy and predictors of response to 6-month IFN therapy...
  65. ncbi request reprint Efficacy of interferon monotherapy in young adult patients with chronic hepatitis C virus infection
    Kiminori Uka
    Department of Gastroenterology, Toranomon Hospital, Minato ku, Tokyo, Japan
    J Gastroenterol 41:470-5. 2006
    ..The aim of this study was to analyze the response to interferon (IFN) monotherapy in young HCV patients...
  66. ncbi request reprint Virological outcomes in patients infected chronically with hepatitis B virus genotype A in comparison with genotypes B and C
    Mariko Kobayashi
    Research Institute for Hepatology, Toranomon Hospital, Tokyo, Japan
    J Med Virol 78:60-7. 2006
    ..In conclusion, patients persistently infected with HBV genotype A fare better than those with genotype B or C. However, high levels of HBV DNA continue in those in whom HBeAg persists along with fibrosis in the liver...
  67. ncbi request reprint The influence of hepatitis B virus genotype on the development of lamivudine resistance during long-term treatment
    Norio Akuta
    Department of Gastroenterology, Toranomon Hospital, 2 2 2 Toranomon, Minato ku, Tokyo 105 0001, Japan
    J Hepatol 38:315-21. 2003
    ..Genotype-dependent development of lamivudine resistance in hepatitis B virus (HBV) has not been reported...
  68. ncbi request reprint Hepatocyte steatosis is an important predictor of response to interferon (IFN) monotherapy in Japanese patients infected with HCV genotype 2a: Virological features of IFN-resistant cases with hepatocyte steatosis
    Norio Akuta
    Department of Gastroenterology, Toranomon Hospital, 2 2 2 Toranomon, Minato ku, Tokyo 105 0001, Japan
    J Med Virol 75:550-8. 2005
    ..Further large-scale studies are warranted to examine the role of amino acid substitutions on IFN resistance specific for steatosis...
  69. doi request reprint Extending combination therapy with peginterferon plus ribavirin for genotype 2 chronic hepatitis C virological responders: a pilot study of 7 cases
    Norio Akuta
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan akuta gi umin ac jp
    Intervirology 53:188-92. 2010
    ..In treatment-resistant patients with genotype 2 chronic hepatitis C the suitable treatment duration is still unclear. The aims were to investigate extending combination therapy with peginterferon plus ribavirin for genotype 2...
  70. ncbi request reprint Efficacy of interferon monotherapy to 394 consecutive naive cases infected with hepatitis C virus genotype 2a in Japan: therapy efficacy as consequence of tripartite interaction of viral, host and interferon treatment-related factors
    Norio Akuta
    Division of Gastroenterology, Toranomon Hospital, 2 2 2 Toranomon, Minato ku, Tokyo 105 0001, Japan
    J Hepatol 37:831-6. 2002
    ..The mechanism of variable response to interferon (IFN) monotherapy in patients infected with HCV genotype 2a is still unclear. Here we investigated the response in a large group of patients infected with genotype 2a...
  71. ncbi request reprint The efficacy of short-term interferon-beta therapy for type C cirrhotic patients with genotype 2a and low virus load
    Yasuji Arase
    Department of Hepatology, Toranomon Hospital, Tokyo
    Intern Med 47:1085-90. 2008
    ..The aim of this study was to elucidate the efficacy of short-term interferon (IFN) therapy for type C cirrhotic patients with genotype 2a and low virus load...
  72. ncbi request reprint Response to long-term lamivudine treatment in patients infected with hepatitis B virus genotypes A, B, and C
    Mariko Kobayashi
    Research Institute for Hepatology, Toranomon Hospital, Tokyo, Japan
    J Med Virol 78:1276-83. 2006
    ..36], P = 0.03); it was influenced by genotypes only in patients with HBeAg. In conclusion, HBV genotypes help in predicting response to long-term lamivudine treatment and development of YMDD mutants in patients with chronic hepatitis B...
  73. doi request reprint Clinical and virological effects of long-term (over 5 years) lamivudine therapy
    Yoshimasa Hashimoto
    Department of Hepatology, Toranomon Hospital, Minato ku, Tokyo, Japan
    J Med Virol 82:684-91. 2010
    ..Moreover, after the emergence of YMDD mutants, short latency to the emergence of YMDD mutant, mixed type mutants, and low baseline ALT level were associated with elevation of ALT or viral load...
  74. ncbi request reprint Precore wild-type hepatitis B virus with G1896 in the resolution of persistent hepatitis B virus infection
    Mariko Kobayashi
    Research Institute for Hepatology, Toranomon Hospital, Tokyo, Japan
    Intervirology 46:157-63. 2003
    ..Factors influencing the resolution of persistent hepatitis B virus (HBV) infection were sought for...
  75. ncbi request reprint Long-term presence of HBV in the sera of chronic hepatitis B patients with HBsAg seroclearance
    Yasuji Arase
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    Intervirology 50:161-5. 2007
    ..The aim of this study was to elucidate the presence of serum hepatitis B virus (HBV) DNA at a prolonged time after seroclearance of hepatitis B surface antigen (HBsAg)...
  76. doi request reprint The efficacy of 24-week interferon monotherapy for type C liver cirrhosis in Japanese patients with genotype 1b and low virus load
    Yasuji Arase
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    Intervirology 51:265-9. 2008
    ..The aim of this study was to elucidate the efficacy of interferon (IFN) therapy in liver cirrhosis Japanese patients with genotype 1b and low virus load...
  77. ncbi request reprint Long-term prognosis by lamivudine monotherapy for severe acute exacerbation in chronic hepatitis B infection: emergence of YMDD motif mutant and risk of breakthrough hepatitis -- an open-cohort study
    Norio Akuta
    Department of Gastroenterology, Toranomon Hospital, 2 2 2 Toranomon, Minato ku, Tokyo 105 0001, Japan
    J Hepatol 38:91-7. 2003
    ..Comparison of long-term prognosis in patients with chronic hepatitis B treated with lamivudine, with or without severe acute exacerbation (SAE)...
  78. ncbi request reprint Effect of acute self-limited hepatitis C virus (HCV) superinfection on hepatitis B virus (HBV)-related cirrhosis. Virological features of HBV-HCV dual infection
    Norio Akuta
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    Dig Dis Sci 49:281-8. 2004
    ..Our results suggest that the impact of acute HCV infection on chronic HBV infection varies according to HBV virological state...
  79. doi request reprint Virus clearance reduces bone fracture in postmenopausal women with osteoporosis and chronic liver disease caused by hepatitis C virus
    Yasuji Arase
    Department of Hepatology and Okinaka Memorial Institute for Medical Research Toranomon Hospital, Tokyo, Japan
    J Med Virol 82:390-5. 2010
    ..J. Med. Virol. 82:390-395, 2010. (c) 2010 Wiley-Liss, Inc...
  80. ncbi request reprint Significance of multicentric cancer recurrence after potentially curative ablation of hepatocellular carcinoma: a longterm cohort study of 892 patients with viral cirrhosis
    Kenji Ikeda
    Department of Gastroenterology, Toranomon Hospital, 2 2 2 Toranomon, Minato ku, Tokyo 105 8470, Japan
    J Gastroenterol 38:865-76. 2003
    ..Tumor recurrence is common after potentially curative ablation of hepatocellular carcinoma; therefore, the incidence of intrahepatic metastasis and multicentric carcinogenesis was evaluated...
  81. ncbi request reprint Histological improvements after a three-year lamivudine therapy in patients with chronic hepatitis B in whom YMDD mutants did not or did develop
    Yoshiyuki Suzuki
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    Intervirology 46:164-70. 2003
    ..The long-term effects of lamivudine and the influence of YMDD mutants on the histology of chronic hepatitis B are not known...
  82. doi request reprint Amino acid substitutions in the hepatitis C virus core region of genotype 1b are the important predictor of severe insulin resistance in patients without cirrhosis and diabetes mellitus
    Norio Akuta
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    J Med Virol 81:1032-9. 2009
    ....
  83. ncbi request reprint Influence of hepatitis C virus subtype on hepatocellular carcinogenesis: a multivariate analysis of a retrospective cohort of 593 patients with cirrhosis
    Kenji Ikeda
    Department of Gastroenterology, Toranomon Hospital, and the Memorial Institute for Medical Research, Tokyo, Japan
    Intervirology 45:71-8. 2002
    ..The influence of hepatitis C virus (HCV) subtypes on hepatocellular carcinogenesis was prospectively investigated...
  84. ncbi request reprint Long-term follow-up of HBeAg-positive young adult Japanese patients treated with corticosteroid withdrawal therapy for chronic hepatitis B
    Hitomi Sezaki
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    Intervirology 49:339-45. 2006
    ..To evaluate the long-term effects of corticosteroid withdrawal therapy (CSWT) in young adult Japanese patients with chronic hepatitis B (CH-B) virus infection...
  85. ncbi request reprint Association of amino acid substitution pattern in nonstructural protein 5A of hepatitis C virus genotype2a low viral load and response to interferon monotherapy
    Norio Akuta
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    J Med Virol 69:376-83. 2003
    ..Our results suggest that substitution patterns in NS5A in patients with low titer of HCV genotype 2a may affect their response to IFN, but the response to therapy may be affected by mechanisms other than substitutions in this region...
  86. doi request reprint Inhibitory effect of branched-chain amino acid granules on progression of compensated liver cirrhosis due to hepatitis C virus
    Masahiro Kobayashi
    Department of Gastroenterology, Toranomon Hospital, 2 2 2 Toranomon, Minato ku, Tokyo, 105 8470, Japan
    J Gastroenterol 43:63-70. 2008
    ..A phase II randomized controlled trial was conducted in patients with compensated liver cirrhosis to investigate the inhibitory effect of branched-chain amino acid (BCAA) granules for oral use (TK-98) on disease progression...
  87. ncbi request reprint Hepatitis B virus-related hepatocellular carcinogenesis and its prevention
    Kenji Ikeda
    Department of Gastroenterology, Toranomon Hospital, Tokyo, and Okinaka Memorial Institute for Medical Research, Tokyo, Japan
    Intervirology 48:29-38. 2005
    ..026). A significant decrease or loss of serum HBV-DNA stops HCC development, and its sequential analysis could be very useful both in the prediction and early detection of small HCC...
  88. ncbi request reprint Efficacy of prolonged interferon therapy for patients with chronic hepatitis C with HCV-genotype 1b and high virus load
    Yasuji Arase
    Department of Gastroenterology, Toranomon Hospital, 2 2 2 Toranomon, Minato ku, Tokyo 105 8470, Japan
    J Gastroenterol 38:158-63. 2003
    ..We therefore assessed the efficacy of prolonged IFN therapy in patients with HCV-genotype 1b and a high virus load...
  89. ncbi request reprint Prolonged hepatitis after acute infection with genotype H hepatitis B virus
    Norio Chihara
    Department of Hepatology, Toranomon Hospital, Tokyo
    Intern Med 46:1847-51. 2007
    ..Genotype H, the newest type of hepatitis B, could be the type which shows a poor response to lamivudine. The present paper is the first report, describing the clinical course of acute hepatitis B with genotype H from onset to remission...
  90. ncbi request reprint Significance of hepatitis B virus DNA clearance and early prediction of hepatocellular carcinogenesis in patients with cirrhosis undergoing interferon therapy: long-term follow up of a pilot study
    Kenji Ikeda
    Department of Gastroenterology, Toranomon Hospital and Okinaka Memorial Institute for Medical Research, Tokyo, Japan
    J Gastroenterol Hepatol 20:95-102. 2005
    ..Because the anti-carcinogenic effect and mechanism of interferon (IFN) in patients with hepatitis B virus (HBV)-related cirrhosis have not been elucidated, quantitative analysis of HBV-DNA concentration was carried out sequentially...
  91. ncbi request reprint Interferon therapy for 2 years or longer reduces the incidence of hepatocarcinogenesis in patients with chronic hepatitis C viral infection
    Yasuji Arase
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    Intervirology 47:355-61. 2004
    ....
  92. ncbi request reprint Dysplastic nodules frequently develop into hepatocellular carcinoma in patients with chronic viral hepatitis and cirrhosis
    Masahiro Kobayashi
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    Cancer 106:636-47. 2006
    ..Advances in imaging technology have enhanced the detection of small nodular lesions during the course of chronic liver disease...
  93. doi request reprint Diabetes mellitus worsens the recurrence rate after potentially curative therapy in patients with hepatocellular carcinoma associated with nonviral hepatitis
    Yusuke Kawamura
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    J Gastroenterol Hepatol 23:1739-46. 2008
    ..The aim of this retrospective study was to examine the relationship between diabetes mellitus and recurrence of hepatocellular carcinoma after potentially curative therapy for hepatocellular carcinoma with nonviral hepatitis...
  94. doi request reprint High serum des-gamma-carboxy prothrombin level predicts poor prognosis after radiofrequency ablation of hepatocellular carcinoma
    Masahiro Kobayashi
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    Cancer 115:571-80. 2009
    ..Radiofrequency ablation (RFA) has been an alternative choice for unresectable HCC. However, RFA is expected to have similar therapeutic efficacy for early stage HCC with fewer invasions...
  95. ncbi request reprint Viral elimination reduces incidence of malignant lymphoma in patients with hepatitis C
    Yusuke Kawamura
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    Am J Med 120:1034-41. 2007
    ..The aim of this retrospective study was to determine the incidence of malignant lymphoma and the relationship between malignant lymphoma and viral elimination in patients with HCV...
  96. doi request reprint Predictive factors of advanced recurrence after curative resection of small hepatocellular carcinoma
    Tetsuya Hosaka
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    Liver Int 29:736-42. 2009
    ..The advanced patterns of recurrence occasionally occur after resection. In this study, we analysed the clinical and histological characteristics of small HCC and evaluated the predictive factors of advanced tumour recurrence...
  97. ncbi request reprint Adefovir dipivoxil for treatment of breakthrough hepatitis caused by lamivudine-resistant mutants of hepatitis B virus
    Tetsuya Hosaka
    Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
    Intervirology 47:362-9. 2004
    ....
  98. doi request reprint Virological and biochemical features in elderly HCV patients with hepatocellular carcinoma: amino acid substitutions in HCV core region as predictor of mortality after first treatment
    Suguru Ogura
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    Intervirology 52:179-88. 2009
    ..The aim of this study was to evaluate the impact of core aa substitutions on mortality in elderly patients...
  99. ncbi request reprint Natural history of compensated cirrhosis in the Child-Pugh class A compared between 490 patients with hepatitis C and 167 with B virus infections
    Masahiro Kobayashi
    Department of Hepatology, Toranomon Hospital, Tokyo, Japan
    J Med Virol 78:459-65. 2006
    ....
  100. ncbi request reprint [Recent therapies for hepatitis B (discussion)]
    Eiji Tanaka
    Nihon Shokakibyo Gakkai Zasshi 104:1465-79. 2007
  101. ncbi request reprint Prediction model of hepatocarcinogenesis for patients with hepatitis C virus-related cirrhosis. Validation with internal and external cohorts
    Kenji Ikeda
    Department of Gastroenterology, Okinaka Memorial Institute for Medical Research, Toranomon Hospital, Toranomon 2 2 2, Minato ku, Tokyo 105 8470, Japan
    J Hepatol 44:1089-97. 2006
    ..To estimate hepatocarcinogenesis rates in patients with hepatitis C virus (HCV)-related cirrhosis, an accurate prediction table was created...