Active clinical trials for "Hepatitis A"

To investigate the safety and efficacy of tenofovir alafenamide (orally 25 mg per day) treated in inactive chronic hepatitis B virus (HBV)-infected pregnant women with high viral load from the late pregnancy until the delivery date or postpartum 1 month.

This will be a prospective, observational, cross-sectional study designed to assess how a quantitative Magnetic Resonance Imaging (MRI) scan will aid in a physicians' clinical decision making process in patients with suspected or confirmed Autoimmune Hepatitis (AIH). Participants will be recruited from the specialist outpatient hepatology clinic at Kings College Hospital NHS (National Health Service) Trust who are either being seen as a new or follow-up patient. Participants will be treated and assessed in line with the normal clinical care pathway. Autoimmune hepatitis is relatively rare, with a prevalence of about 8,000 people in the United Kingdom (UK) diagnosed. It is a non-resolving liver condition that is usually treated with a combination of corticosteroid and immunosuppressant therapy. The current standard for effective management requires close monitoring of disease activity to balance disease control and unwanted side effects of treatment . The recommended management involves monthly blood tests and annual liver biopsies to verify histological remission . However, blood tests lack sensitivity and biopsy is very invasive and samples only a small portion of the liver . Indeed, liver biopsy remains the gold standard for evaluating liver pathology, however it is not appropriate for longitudinal monitoring due to pain, risk and invasiveness. Blood tests can identify when the liver is inflamed, but are insensitive to small changes and are not prognostic. There is a significant unmet need in this patient group relating to both disease monitoring and identifying those needing higher immunosuppression or transplant. Non-invasive, quantitative MRI can characterise liver tissue to aid in the diagnosis of liver disorders. Using quantitative MRI in the management of AIH patients could be an invaluable asset within the standard care pathway to ensure more appropriate and accurate dosing of steroids is used in AIH patients, thus preventing over/under treating.

This is a retrospective study, all HIV-infected individuals followed up at the three designated HIV clinics in Hong Kong with and without HBV and/or HCV co-infection will be included in the analysis. The incidence and mortality of HCC among HIV-infected individuals with and without HBV/HCV co-infection in an Asian population will be determined.

This open--label, multicenter, national observational study will investigate the effectiveness of standard of care treatment with peginterferon alfa-2a in participants with chronic hepatitis B (CHB). Participants who have never received any hepatitis B virus (HBV) treatment and participants previously treated with nucleos(t)ide analogs (NAs) are qualified for enrollment. The observation period is 48 weeks (peginterferon alfa--2a standard of care treatment) and for up to 24 weeks thereafter (72 weeks in total).

The purpose of this study is to compare the liver toxicity in HIV-infected patients with chronic hepatitis B and/or hepatitis C, who start a new antiretroviral drug regimen, as well as the influence of the degree of pre-existing liver fibrosis on the incidence of liver toxicity.

This observational, multi-center, open-label study will evaluate the prognostic factors of long-term-response and the safety of Pegasys (peginterferon alfa-2a) in patients with HbeAg-negative chronic hepatitis B. Data will be collected for 96 weeks.

A follow-up study to assess resistance and durability of response to 3 experimental drugs ABT-450/r, ABT-267, and ABT-333 in participants who have participated in AbbVie Phase 2 or 3 clinical studies with these agents for the treatment of chronic hepatitis C virus (HCV). Studies include: M11-646 (NCT01716585), M11-652 (NCT01464827), M12-746 (NCT01306617), M12-998 (NCT01458535), M13-098 (NCT01715415), M13-099 (NCT01704755), M13-386 (NCT01563536), M13-389 (NCT01674725)' M13-393 (NCT01685203), M13-961 (NCT01767116), M14-002 (NCT01833533), and M14-103 (NCT01911845).

This multicenter study will evaluate the correlation of interleukin 28B (IL28B) genotypes with disease characteristics and demographics in treatment-naïve and treatment-experienced chronic hepatitis C patients, including patients with HIV co-infection. There will be a single study visit for testing.

This is a three-year (except for participants with chronic kidney disease [CKD] or cirrhosis) multicenter study to follow participants who received at least one dose of grazoprevir (MK-5172) in a previous study to determine whether they remain hepatitis C virus (HCV)-Ribonucleic acid (RNA) negative over time, and to determine if they have developed antiviral resistance. The study will also evaluate long-term adverse events in this population. Participants from MK-5172-052 (NCT02092350) with CKD or cirrhosis will be followed for five years.

This prospective, multicenter, observational study will evaluate on-treatment predictors of response in patients with HBeAg positive or HBeAg negative chronic hepatitis B receiving treatment with peginterferon alfa-2a (PEGASYS®) in accordance with local labeling and the summary of product characteristics. Data will be collected from patients for the duration of their treatment and for up to 24 weeks thereafter.