Risultati per: Centri di riferimento HCV - TOSCANA

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Per sensibilizzare su condizione spesso sottodiagnosticata

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This Viewpoint discusses a sector-wide approach to hepatitis C virus elimination, including not only jails and prisons, but also community supervision and alternatives to incarceration programs.

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In varie città. Anche una guida informativa ed un portale

Introduction
Hepatitis C virus (HCV) infection is a silent epidemic that needs a comprehensive and contextualised approach to manage. Access to readily available, affordable and acceptable HCV point-of-care (POC) in vitro diagnostics (IVDs) is equally required to meet the global HCV goals. However, most guidelines for evaluating these IVDs such as the WHO prequalification process and country-specific standards disproportionately focus on diagnostic performance. The real-time connectivity, ease of specimen collection, affordability, sensitivity, specificity, user-friendliness, rapidity and robustness, equipment-free or simplicity and deliverability to end-users (REASSURED) criteria provide a holistic and user-oriented evaluation of the IVDs in the populations they are meant to be used. Therefore, as part of a multinational study in sub-Saharan Africa, we will conduct an evaluation of the Bioline HCV POC test for diagnosing HCV infection in primary healthcare settings of Ghana using the REASSURED criteria.

Methods and analysis
This field evaluation will be conducted in three phases. The first phase will use a cross-sectional field evaluation study design to evaluate the diagnostic performance of the Bioline HCV POC test. The second phase will use mixed methods to ascertain operational characteristics and users’ perceptions. In the third phase, a cross-sectional survey will be used to estimate the costs of accessing HCV diagnostics services using three proposed HCV testing models to inform the affordability of the testing pathways and linkage to care in the primary healthcare clinics. This phase will run concurrently with the second phase of the study. Thematic content analysis and quantitative data analysis will be performed using ATLAS.ti V.23.0.6 and StataCorp LLC’s Stata statistical software V.16.0, respectively.

Ethics and dissemination
The study protocol has been reviewed and fully approved by the Faculty of Health Sciences Research Ethics Committee, University of Pretoria (281/2023) and the Ghana Health Service Ethics Review Committee (GHS-ERC013/08/23). This diagnostic trial has also been registered in the Pan African Clinical Trial Registry (PACTR202410837698664). The findings of the study will be presented in relevant peer-reviewed journals, at local and international conferences, and to all stakeholders involved.

Dopo bocciatura delle Regioni, Giani annuncia ricorso a Consulta

Chronic hepatitis C(CHC) related decompensated cirrhosis is associated with lower SVR-12 rates and variable regression of disease severity following direct-acting antiviral agents (DAAs). We assessed rates of SVR-12, recompensation (Baveno VII criteria), and survival in such patients.

Introduction
Previous studies have shown that substantial percentages of emergency department (ED) patients in the USA recommended for HIV or hepatitis C (HCV) decline testing. Evidence-based and cost-effective interventions to improve HIV/HCV testing uptake are needed, particularly for people who inject drugs (PWIDs) (currently or formerly), who comprise a group at higher risk for these infections. We developed a brief persuasive health communication intervention (PHCI) designed to convince ED patients who had declined HIV/HCV testing to agree to be tested. In this investigation, we will determine if the PHCI is more efficacious in convincing ED patients to be tested for HIV/HCV when delivered by a video or in person, and whether efficacy is similar among individuals who currently, previously or never injected drugs.

Methods and analysis
We will conduct a multisite, randomised controlled trial comparing PHCIs delivered by video versus in person by a health educator to determine which delivery method convinces more ED patients who had declined HIV/HCV testing instead to be tested. We will stratify randomisation by PWID status (current, former or never/non-PWID) to permit analyses comparing the PHCI delivery method by injection-drug use history. We will also perform a cost-effectiveness analysis of the interventions compared with current practice, examining the incremental cost-effectiveness ratio between the two interventions for the ED population overall and within individual strata of PWID. As an exploratory analysis, we will assess if a PHCI video with captions confers increased or decreased acceptance of HIV/HCV testing, as compared with a PHCI video without captions.

Ethics and dissemination
The study protocol has been approved by the institutional review board of the Icahn School of Medicine. The results will be disseminated at international conferences and in peer-reviewed publications.

Trial registration number
NCT05968573.

The high genetic diversity of hepatitis C virus (HCV) has led to the emergence of eight genotypes and a large number of subtypes in limited geographical areas. Currently approved pangenotypic DAA regimens have been designed and developed to be effective against the most common subtypes (1a, 1b, 2a, 2b, 2c, 3a, 4a, 5a and 6a). However, large populations living in Africa and Asia, or who have migrated from these regions to industrialised countries, are infected with ‘unusual’, non-epidemic HCV subtypes, including some that are inherently resistant to currently available direct-acting antiviral (DAA) drugs due to the presence of natural polymorphisms at resistance-associated substitution positions. In this review article, we describe the origin and subsequent global spread of HCV genotypes and subtypes, the current global distribution of common and unusual HCV subtypes, the polymorphisms naturally present in the genome sequences of unusual HCV subtypes that may confer inherently reduced susceptibility to DAA drugs and the available data on the response of unusual HCV subtypes to first-line HCV therapy and retreatment. We conclude that the problem of unusual HCV subtypes that are inherently resistant to DAAs and its threat to the global efforts to eliminate viral hepatitis are largely underestimated and warrant vigorous action.