Publications by authors named "Buggisch P"

Background And Aims: Portal hypertension is the main pathophysiological driver of decompensation in patients with liver cirrhosis. Epithelial cell death markers, m30 and m65, correlate with hepatic injury and predict outcomes across various stages of liver disease. We aim (i) to evaluate whether portal hypertension itself contributes to liver outcome-relevant epithelial injury, and (ii) to analyse the capacity of m30/m65 to predict outcome in patients receiving a transjugular intrahepatic portosystemic shunt (TIPS) for refractory ascites.

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Objective: The ReLink project aims to reintegrate diagnosed-but-untreated hepatitis-C-positive patients into medical care and initiate a therapy.

Material/methods: A retrospective search within the practice management system of a single center in Germany identified among 1965 hepatitis-C-positive patients 100 untreated patients with available contact details and meeting all inclusion criteria. Patients were contacted by 2 contact rounds.

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Background And Aims: Data on the prevalence and characteristics of so-called rare HCV genotypes (GTs) in larger cohorts is limited. This study investigates the frequency of rare GT and resistance-associated substitutions and the efficacy of retreatment in a European cohort.

Methods: A total of 129 patients with rare GT1-6 were included from the European resistance database.

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Article Synopsis
  • Seladelpar, a medication aimed at treating primary biliary cholangitis, was tested in a phase 3 trial involving patients who didn't respond well to the standard treatment, ursodeoxycholic acid.
  • The trial showed that a significantly higher percentage of patients taking seladelpar achieved a biochemical response and normalized alkaline phosphatase levels compared to those on placebo.
  • Additionally, seladelpar was more effective in reducing itchiness, with patients reporting greater relief from pruritus than those receiving placebo, although some adverse events were noted.
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Background & Aims: Nucleos(t)ide analogues (NUCs) are the standard and mostly lifelong treatment for chronic HBeAg-negative hepatitis B, as functional cure (loss of HBsAg) is rarely achieved. Discontinuation of NUC treatment may lead to functional cure; however, to date, the evidence for this has been based on small or non-randomized clinical trials. The STOP-NUC trial was designed with the aim of increasing the HBsAg loss rate using a NUC treatment interruption approach.

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Background & Aims: Bulevirtide is a first-in-class entry inhibitor of hepatitis B surface antigen. In July 2020, bulevirtide was conditionally approved for the treatment of hepatitis D, the most severe form of viral hepatitis, which frequently causes end-stage liver disease and hepatocellular carcinoma. Herein, we report the first data from a large multicenter real-world cohort of patients with hepatitis D treated with bulevirtide at a daily dose of 2 mg without additional interferon.

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Background: Non-alcoholic fatty liver disease (NAFLD) affects more than 18 million individuals in Germany. Real-world data help to better characterize the natural history of disease and standard of care.

Methods: The German NAFLD-Registry is a prospective non-interventional study initiated by the German Liver Foundation and aims to describe clinical characteristics and observe outcomes in patients with NAFLD recruited in secondary and tertiary care.

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Background & Aims: Data on the long-term persistence of HCV resistance-associated substitutions (RASs) after treatment with direct-acting antivirals (DAAs) are limited. This study evaluated the persistence of NS3, NS5A, and NS5B RASs for up to 5 years after the end of treatment (EOT).

Methods: We included samples from 678 individuals with an HCV genotype (GT) 1 or 3 infection and virologic DAA treatment failure collected in the European Resistance Database.

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Background & Aims: With long-term consequences like the development of liver cirrhosis and hepatocellular carcinoma, chronic hepatitis C virus (HCV) infection is associated with a significant health burden. Information on HCV treatment outcomes and costs in routine care is still rare, especially for subgroups. The aim of this study was to analyse the treatment outcomes and costs of subgroups in routine care and to compare them over time with previous analyses.

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Background: Liver steatosis is often observed in chronic HCV infection and associated to genotype or comorbidities. NAFLD is an important risk factor for end-stage liver disease. We aimed to analyse the course of NAFLD as a concomitant disease in a cohort of HCV patients.

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While direct-acting antivirals (DAAs) cure chronic hepatitis C virus (HCV) infection in almost all patients, some patients remain at risk of liver disease despite HCV cure. In order to identify risk factors indicating liver-related morbidity and death after viral cure, we included 6982 patients from the national multicenter real-world German Hepatitis C Registry with regular follow-up visits for up to 7 years after DAA therapy. Definitions for normal liver function tests (in women/men) were alanine aminotransferase (ALT; ≤35/≤50 U/L), ALT according to American Association for the Study of Liver Diseases (AASLD; ≤19/≤30 U/L), and gamma-glutamyltransferase (GGT; ≤40/≤60 U/L).

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Introduction: We evaluated 8, 12, or 24 weeks of ledipasvir/sofosbuvir in patients with hepatitis C virus and end-stage renal disease undergoing dialysis.

Methods: Primary efficacy end point was sustained virologic response 12 weeks after treatment. Primary safety end point was treatment discontinuation because of adverse events (AEs).

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The number of patients diagnosed with hepatitis C virus (HCV) is markedly higher than the number initiating treatment indicating gaps in the care cascade, likely centred around reaching at-risk populations. Understanding changing characteristics of patients with HCV allows for targeted programs that increase linkage to care. We investigated changes in demographic and clinical characteristics of patients registered in the German Hepatitis C-Registry (DHC-R) from 1 January 2014 to 31 December 2019.

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Background: Cytokine treatment with Interferon-alpha (IFN-α) represents a clinical model of immune associated depression, but it remains unclear if it is of the same entity as major depressive disorder (MDD). The study focuses on possible gender differences in IFN-α induced depression and effects of a pre-emptive antidepressant treatment.

Methods: Data from 181 patients with chronic hepatitis C infection (cHC) without history of mental illnesses undergoing treatment with IFN-α 2a and ribavirin were re-analyzed for gender effects.

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Despite the availability of highly effective and well-tolerated direct-acting antivirals, not all patients with chronic hepatitis C virus infection receive treatment. This retrospective, multi-centre, noninterventional, case-control study identified patients with chronic hepatitis C virus infection initiating (control) or not initiating (case) treatment at 43 sites in Germany from September 2017 to June 2018. It aimed to compare characteristics of the two patient populations and to identify factors involved in patient/physician decision to initiate/not initiate chronic hepatitis C virus treatment, with a particular focus on historical barriers.

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Background:  Hepatitis C virus (HCV) genotype (GT) 1 is the most common HCV GT in Western and Central Europe. The main focus of this present work is to analyze the change of baseline characteristics of 17 093 HCV-patients with genotype 1a/1b with antiviral therapy in Germany between 2004 and 2018. We analyzed five periods: (i) 2004-2007, (ii) 2008-2010, (iii) 2010-2013, (iv) 2014-2016, (v) 2017-2018.

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Background & Aims: NAFLD is a growing health concern. The aim of the Fatty Liver Assessment in Germany (FLAG) study was to assess disease burden and provide data on the standard of care from secondary care.

Methods: The FLAG study is an observational real-world study in patients with NAFLD enrolled at 13 centres across Germany.

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Background And Aims: Patients with hepatic encephalopathy (HE) show low quality of life, recurrent hospitalizations and an increased mortality. We aimed to assess the natural course of patients after a recent episode of overt HE and to identify risk factors for HE recurrence in Germany.

Methods: Fifteen sites took part in a prospective, observational study including patients with liver cirrhosis who had been hospitalized for HE within 3 months before recruitment.

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Background&aims: The presence of baseline resistance-associated substitutions (RASs) reduced sustained virologic response (SVR) rates in chronic hepatitis C virus (HCV) genotype 1a infected patients treated with Elbasvir/Grazoprevir (EBR/GZR). This study aimed to evaluate the frequency of NS5A RASs and treatment outcomes in patients for whom EBR/GZR was intended.

Methods: We sequenced NS5A in 832 samples from German genotype1a-infected DAA-naïve patients population-based, which were collected in the European Resistance Database.

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Data on the prevalence of resistance-associated substitutions (RASs) and their implications for treatment with direct-acting antivirals (DAAs) are sparse in European patients with HCV genotype 4. This study investigated RASs before and after DAA failure in different genotype 4 subtypes and evaluated retreatment efficacies. Samples of 195 genotype 4-infected patients were collected in the European Resistance Database and investigated for NS3, NS5A and NS5B RASs.

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Background:  Virologic failure to approved combinations of direct antiviral agents (DAA) in patients with chronic hepatitis C virus (HCV) infection is rare. Mostly it involves difficult to treat patients with advanced liver disease and prior interferon-experience. Before approval of VOX/VEL/SOF, a restricted number of patients received rescue treatment, and the choice of DAA combinations for re-treatment were selected on an individual basis.

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Article Synopsis
  • - Hepatocellular carcinoma (HCC) is a serious and increasingly costly cancer, but current international guidelines don't prioritize measuring alpha-fetoprotein (AFP) levels before treatment.
  • - This study analyzed data from 92 HCC patients to investigate the prognostic significance of AFP levels and found that higher AFP levels correlated with larger tumors and poorer survival outcomes.
  • - The results suggest that measuring AFP could be clinically useful, as patients with high AFP levels experienced significantly shorter median survival times, indicating that AFP levels could inform treatment decisions.
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Background:  Hepatic encephalopathy (HE) is a severe complication of liver cirrhosis with impairment of quality of life and prognosis. Management patterns among physicians have not been investigated yet.

Methods:  A questionnaire containing 17 questions was sent out to 1468 gastroenterologists and 120 general practitioners (GPs).

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Background: Accurate assessment of hepatic fibrosis in patients with chronic HBeAg-negative Hepatitis B is of crucial importance not only to predict the long-term clinical course, but also to evaluate antiviral therapy indication. The aim of this study was to prospectively assess the utility of point shear wave elastography (pSWE) for longitudinal non-invasive fibrosis assessment in a large cohort of untreated patients with chronic HBeAg-negative hepatitis B virus (HBV) infection.

Methods: 407 consecutive patients with HBeAg-negative HBV infection who underwent pSWE, transient elastography (TE) as well as laboratory fibrosis markers, including fibrosis index based on four factors (FIB-4), aspartate to platelet ratio index (APRI) and FibroTest, on the same day were prospectively followed up for six years.

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