
Prophylactic Antiviral Therapy in Patients With Current or Past Hepatitis B Virus Infection Receiving...
Hepatitis B InfectionMalignant Solid NeoplasmThis phase III trial studies the effect of tenofovir alafenamide in preventing liver complications in patients with current or past hepatitis B virus (HBV) who are receiving anti-cancer therapy for solid tumors. People with chronic or past HBV who are undergoing therapy for cancer are at an increased risk for changes in the liver which could be minor or severe. Tenofovir alafenamide is a drug that acts against infections caused by HBV and may help reduce the chance that HBV gets worse or comes back in patients receiving anti-cancer therapy for solid tumors.

HCV Reinfection in in HIV/HCV-coinfected Patients Achieving SVR by Antiviral Therapy
Hepatitis C Virus InfectionHepatitis C Virus Infection2 moreChronic hepatitis C virus (HCV) infection remains a health burden in people living with human immunodeficiency virus (HIV). Interferon (IFN)-based therapy is the treatment of choice for HCV infection for HIV coinfected patients in earlier years. However, the treatment responses are far from ideal and the treatment-emergent adverse events (AEs) are frequently encountered. Based on the excellent efficacy and safety, IFN-free direct acting antivirals (DAAs) have been the mainstay of therapy for HCV. Furthermore, the world health organization (WHO) has set the goal of global HCV elimination by 2030. The microelimination of HCV among HIV/HCV-coinfected patients is also listed as the prioritized target by WHO. Although the overall treatment response has improved dramatically during the past 5-10 years, several studies have indicated the HIV/HCV-coinfected patients had high risks of reinfection following successful antiviral treatment. The risk of HCV reinfection was reported to be 24.6% among HIV-positive men who have sex with men (MSM) in Austria, German, France and the United Kingdom who attained sustained virologic response (SVR) by IFN-based therapy. Two recent studies from Canada showed that the incidence of HCV reinfection in HIV-positive patients was higher that HIV-negative patients (3.44 vs. 1.13 per 100 person-year; 2.56 vs. 1.12 per 100 person-year). In Taiwan, 14.1% of the HIV-positive patients had HCV reinfection following treatment-induced or spontaneous viral clearance, resulting an incidence of 8.2 per 100 person-year with a total of 218.3 person-years of follow-up for these patients. Because data regarding to the HCV reinfection in HIV-positive patients are still limited, where a more comprehensive assessment of HCV reinfection is important based on the perspectives of HCV microelimination among HIV-positive patients in Taiwan, the investigators thus aim to conduct a long-term, large-scale cohort study to assess the risk of HCV reinfection in HIV-positive patients achieving SVR after IFN-based or IFN-free therapies, and to assess the factors associated with different risks of reinfection in these patients.

Real World Assessment of People Living With Chronic Hepatitis B in Australia
Hepatitis BThe REACH-B study establishes an observational cohort study of people living with chronic hepatitis B from a national network, including a diverse range of services, to characterise and monitor hepatitis B linkage to care and treatment requirements amongst this population.

The National Australian HCV Point-of-Care Testing Program
Hepatitis CThe National Australian HCV Point-of-Care Testing Program will establish an observational cohort to evaluate whether scale-up of finger-stick point-of-care HCV testing increases diagnosis and treatment for HCV infection. Participants will be recruited from settings providing services to people with a risk factor for the acquisition of HCV infection (including drug treatment clinics, needle and syringe programs, homelessness settings, mental health services, prisons, and mobile outreach). Participants will attend a single visit to have their HCV RNA status tested and complete a self-administered survey. Participants will not receive treatment as a part of this study. Participants who are HCV RNA positive will be linked to standard of care.

Effect of JKB-122 on Prednisolone and Azathioprine Induced Remission in Autoimmune Hepatitis (AIH)...
Autoimmune HepatitisThis is a Phase 2 study. All patients will receive prednisolone and AZA as standard of care (SOC) during the study. At the end of the study, all data collected will be analyzed the efficacy and safety of JKB-122 on SOC reduction and inflammation improvement in Autoimmune Hepatitis

HCV Reinfection in HD Patients Achieving SVR
Hepatitis C Virus InfectionHepatitis C Virus Infection2 moreAmong the hemodialysis units, the global incidence of HCV infection ranges from 1.2% to 2.9%. Data regarding the long-term risk of reinfection among hemodialysis patients achieving SVR are limited. To our best knowledge, only one study assessed the long-term negativity of serum HCV RNA in hemodialysis patients who achieved SVR after IFN-based therapies. With a median follow-up of 48 months following SVR, the life-time cumulative survival for HCV RNA negativity was 86% among the 121 participants who were on maintenance dialysis. Furthermore, the life-time cumulative survival for HCV RNA negativity was 95% among the 45 participants who underwent renal transplantation from HCV-negative donors. Because the literatures regarding the long-term follow-up of viral outcome, the patient numbers to be recruited are still limited, and all studies are focused on IFN-based treatment, we aim to assess the long-term risk of HCV reinfection in hemodialysis patients attaining SVR by IFN-based or IFN-free therapies.

Blood Collection Biorepository for Liver Disease Research
Non-Alcoholic Steatohepatitis(NASH)Hepatitis C7 moreThe purpose of establishing a biorepository is to provide high quality specimens (serum, plasma, buffy coat and liver tissue) for future researchers who are studying the effects that fatty liver and viral diseases have on the liver.

Follow-up of Chronic Hepatitis B Patients With Comorbid Nonalcoholic Fatty Liver Disease
Chronic Hepatitis BNonalcoholic Fatty Liver DiseaseThe purpose of this study is to determine the disease progression in CHB/NAFLD compared with CHB and NAFLD including liver cirrhosis, cirrhotic complications and hepatocellular carcinoma (HCC).

Safety and Efficacy of TAF to Prevent MTCT of HBV in Middle/Late Pregnancies With High HBV DNA Load...
Chronic Hepatitis bPregnancy RelatedHepatitis B virus (HBV) infection is still a major public health problem worldwide. There are 260 million people with chronic HBV infection in the world, and 890,000 people die of HBV-related diseases annually. Mother-to-child transmission (MTCT) is still the main transmission route of HBV in high-endemic areas, such as China, sub-Saharan Africa, etc. Fortunately, the morbidity of HBV infection is gradually decreased in China, because newborns are administrated with the combined immunization of hepatitis B vaccine and hepatitis B immunoglobulin (HBIG) widely. However, some infants born of mothers with high HBV DNA load (≥2×10^5 IU/ml) are still infected with HBV even if these infants receive the combined immunization on time. Therefore, guidelines including American Association for the Study of Liver Diseases (AASLD) and European Association for the Study of Liver Diseases (EASL) recommend that pregnant women with high HBV DNA load should take anti-hepatitis B viral drugs (tenofovir disoproxil fumarate or terbivudine) to reduce MTCT of HBV from gestation 24-28 weeks. Although tenofovir disoproxil fumarate (TDF) has been classified as B drug for pregnancy by Food and Drug Administration (FDA), some side effects of TDF are reported. For example, neutropenia and the decrease of bone mineral density are found in early age infants who are ever exposed to TDF during their fetal life. Tenofovir alafenamide (TAF), a new prodrug of tenofovir (TFV), has a higher antiviral potency, a higher peripheral blood mononuclear cell (PBMC) intracellular tenofovir diphosphate (TFVpp) level and a lower plasma TFV concentration. As the successor of TDF, the dose of TAF that is took orally every day is approximately 1/10 of TDF. TAF has a much lower risk of kidney toxicity and has almost no effect on the bone mineral density. TAF has been approved and recommended as the first-line drug to treat patients with chronic hepatitis B (CHB) by AASLD, EASL, etc. However, there are relatively few data of TAF on pregnancies with high HBV DNA load. It is urgently to clarify the safety and efficacy of TAF on interrupting MTCT of HBV in pregnancies with high HBV DNA load. In the present study, the investigators enroll middle/late pregnancies with high HBV DNA load(≥2×10^5 IU/ml). The participants are randomly divided into two groups. Then the participants are treated with TAF or TDF respectively. All enrolled participants are followed-up for 2 years. Objectives of the present study are as follows: A. To clarify safety and efficacy of TAF on interrupting MTCT of HBV in middle/late pregnancies with high HBV DNA load. B. To clarify effects of TAF on obstetric complications in middle/late pregnancies with CHB. C. To clarify effects of TAF on birth defects of infants born in mothers with CHB. D. To clarify the change of virology and biochemistry indexes in women with CHB during pregnancy and postpartum. E. To clarify effects of TAF treatment on participants. F. To clarify growth parameters of the infants exposed to TAF during their fetal life. G. To clarify the pharmacokinetics of TAF in pregnant populations.

Disease Loads and Status of Treatment
Chronic Hepatitis BAcute Hepatitis B1 moreThe aim of study is to evaluate the current prevalence of HDV infection, and comprehensively analyze the interaction between HDV and HBV infections in the era of NAs in Taiwan. Investigators plan to set up a platform for HDV positive patients in Taiwan to invite sites or hepatologists who are interested in this field.