Publications by authors named "Strazzabosco M"

Background & Aims: Approximately 40% of patients with Primary Biliary Cholangitis (PBC) show incomplete response to ursodeoxycholic acid, thus needing second-line treatment to prevent disease progression. As no head-to-head comparison study is available, we used a network meta-analysis (NMA) to compare efficacy and safety of available second-line therapies.

Methods: We performed a systematic literature review including randomised, placebo-controlled trials of patients with PBC and incomplete response, or intolerance, to ursodeoxycholic acid, and compared relative risks (RRs) for primary (biochemical response at 52-week) and secondary outcomes [incidence of new-onset pruritus and serious adverse events (SAEs)].

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A consistent feature of chronic liver diseases and the hallmark of pathologic repair is the so-called "ductular reaction." This is a histologic abnormality characterized by an expansion of dysmorphic cholangiocytes inside and around portal spaces infiltrated by inflammatory, mesenchymal, and vascular cells. The ductular reaction is a highly regulated response based on the reactivation of morphogenetic signaling mechanisms and a complex crosstalk among a multitude of cell types.

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Article Synopsis
  • This study aimed to compare the effectiveness of 1D and 3D tumor response assessments in predicting median overall survival (mOS) in patients with hepatocellular carcinoma (HCC) receiving immunotherapy.
  • A total of 37 patients were analyzed, revealing that 3D assessments (vqEASL and %qEASL) effectively classified patients into groups based on their response to treatment and were better predictors of mOS compared to traditional 1D methods, with the latter showing limited predictive value.
  • The findings suggest that 3D quantitative assessment tools like qEASL can improve predictions of survival outcomes and help identify patients who do not respond to immunotherapy, aiding in clinical decision-making.
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Background & Aims: The underlying mechanisms and clinical impact of portal microthrombosis in severe COVID-19 are unknown. Intrapulmonary vascular dilation (IPVD)-related hypoxia has been described in severe liver diseases. We hypothesised that portal microthrombosis is associated with IPVD and fatal respiratory failure in COVID-19.

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Article Synopsis
  • - The study assesses the safety and efficacy of atezolizumab/bevacizumab in patients with hepatocellular carcinoma (HCC) who have moderate liver dysfunction (Child-Pugh B), through a meta-analysis of 8 studies involving over 1,200 patients.
  • - Results indicate that Child-Pugh B patients experience more severe adverse events (26.8%) compared to Child-Pugh A patients (11.8%), and also have shorter progression-free survival (PFS) and overall survival (OS), with significant differences noted.
  • - The findings suggest that while atezolizumab/bevacizumab can be used in Child-Pugh B patients, its effectiveness is limited, with lower response rates and shorter survival
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Article Synopsis
  • Cystic fibrosis-related liver disease (CFLD) is worsened by inflammation from gut-derived stimuli due to defective CFTR, leading to liver pathology and increased morbidity in cystic fibrosis patients.
  • Studies on different mouse models (WT, CFTR-KO, and CFTR-KO-GC) revealed that gut dysbiosis and inflammation are present in CFTR-KO mice, while the gut-corrected mice showed no liver issues.
  • Treatment with nonabsorbable antibiotics improved gut permeability and liver inflammation in CFTR-KO mice, suggesting that targeting gut health could be a key therapeutic approach for CFLD.
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Background: Accurate mortality risk quantification is crucial for the management of hepatocellular carcinoma (HCC); however, most scoring systems are subjective.

Purpose: To develop and independently validate a machine learning mortality risk quantification method for HCC patients using standard-of-care clinical data and liver radiomics on baseline magnetic resonance imaging (MRI).

Methods: This retrospective study included all patients with multiphasic contrast-enhanced MRI at the time of diagnosis treated at our institution.

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Aim: Oral semaglutide, an innovative orally administered GLP-1 receptor agonist for type 2 diabetes (T2D) management was herein evaluated for its effectiveness in a multi-center retrospective real-world study.

Methods: We included new-users of oral semaglutide from 18 specialist care centres and collected retrospective data on baseline clinical characteristics. Updated values of HbA1c and body weight were analyzed using the mixed model for repeated measures.

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Article Synopsis
  • - Liver transplantation is a complex and costly life-saving treatment for advanced liver disease, necessitating collaborative efforts and investment from healthcare systems and professionals.
  • - Current metrics for monitoring liver transplantation processes and outcomes often fail to prioritize what is important to patients, lacking a patient-centered approach.
  • - A Consensus Statement created by experts aims to establish new outcome measures for liver transplantation based on Value-Based Health Care (VBHC) principles, providing a framework to enhance the relevance of these metrics for patients.
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Objectives: To develop and evaluate a deep convolutional neural network (DCNN) for automated liver segmentation, volumetry, and radiomic feature extraction on contrast-enhanced portal venous phase magnetic resonance imaging (MRI).

Materials And Methods: This retrospective study included hepatocellular carcinoma patients from an institutional database with portal venous MRI. After manual segmentation, the data was randomly split into independent training, validation, and internal testing sets.

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  • The study examined how factors at the community level affect the incidence and outcomes of hepatocellular carcinoma (HCC) in Connecticut from 2008 to 2019.
  • It found significant disparities in HCC incidence across different ZIP Code tabulation areas (ZCTAs), with an average incidence of 8.9 cases per 100,000 adults, influenced by local socioeconomic indicators such as education and poverty.
  • The findings suggest that addressing community-specific risk factors could enhance early detection and improve survival rates for HCC patients, highlighting the need for targeted health system investments.
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Background: Hepatocellular carcinoma (HCC) is a heterogeneous disease that typically arises in the setting of chronic liver disease, making treatment selection complex. Multidisciplinary liver tumor boards (MDLTB) have been shown to improve outcomes in patients with HCC. However, in many cases, patients evaluated by MDLTBs ultimately do not receive the board's recommended treatment.

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  • Cholangiopathies are serious liver diseases, but existing human disease models are limited, prompting research into three-dimensional biliary organoids which may provide better insights.
  • By embedding biliary organoids into a specialized extracellular matrix, researchers created organoids that, when removed from this matrix, displayed a shift in organization and improved characteristics for studying liver function.
  • The study suggests that these new organoid models can enhance our understanding of bile transport, immune interactions, and the effects of the extracellular matrix on biliary health, potentially leading to better treatments for cholangiopathies.
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  • * In a study of 22 iCCA patients with MetS, there was a noticeable increase in the deposition of specific ECM proteins, such as osteopontin (OPN), which were associated with greater cancer cell movement and stem cell-like characteristics.
  • * The findings suggest that OPN overexpression is a key difference between MetS-related iCCA and non-MetS iCCA, indicating its potential as a predictive biomarker and a target for future treatment in patients with MetS and iCCA
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The European Society for Organ Transplantation (ESOT) has created a platform for the development of rigorous and regularly updated evidence based guidelines for clinical practice in the transplantation field. A dedicated Guideline Taskforce, including ESOT-council members, a representative from the Centre for Evidence in Transplantation, editors of the journal Transplant International has developed transparent procedures to guide the development of guidelines, recommendations, and consensus statements. During ESOT's first Consensus Conference in November 2022, leading experts will present in-depth evidence based reviews of nine themes and will propose recommendations aimed at reaching a consensus after public discussion and assessment by an independent jury.

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Purpose Of Review: Intrahepatic cholangiocarcinoma (iCCA) carries a dismal prognosis and, despite increasing incidence, still lacks effective treatments. In this scenario, locoregional therapies (LRT) are gaining interest as they may be effective at local tumor control and complementary to surgical and non-surgical approaches. In this article, we will review the evolving role of LRT performed by interventional radiologists in the management of iCCA.

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Hepatocellular carcinoma (HCC) is a common complication in patients with chronic liver disease and leads to significant morbidity and mortality. Liver disease and liver cancer are preventable by mitigating and managing common risk factors, including chronic hepatitis B and C infection, alcohol use, diabetes, obesity and other components of the metabolic syndrome. The management of patients with HCC requires treatment of the malignancy and adequate control of the underlying liver disease, as preserving liver function is critical for successful cancer treatment and may have a relevant prognostic role independent of HCC management.

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Background And Aims: Treatment of de novo malignancies and recurrent hepatocellular carcinoma with immune checkpoint inhibitors (ICI) in liver transplant recipients (LT) is an attractive strategy that is infrequently pursued because of the lack of strong evidence regarding their safety and efficacy. In this systematic review with pooled analysis, we aimed to assess safety and efficacy of ICI therapy following LT.

Methods: We performed a systematic search of case reports and series published until January 2022.

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