Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 110
Filtrar
Mais filtros

Base de dados
País/Região como assunto
Tipo de documento
Intervalo de ano de publicação
1.
J Med Virol ; 94(7): 3320-3327, 2022 07.
Artigo em Inglês | MEDLINE | ID: mdl-35277871

RESUMO

HIV-1 genetic diversity and drug resistance mutations remain public health challenges especially in regions where treatment is limited. The aim of this study was to characterize the HIV-1 integrase (IN) subtype and the possible occurrence of drug-resistance mutations or polymorphisms in resource-poor settings in South Sudan. Dried blood spots from integrase inhibitor treatment (Integrase strand transfer inhibitor [INSTI]) naïve HIV-1 infected patients were subjected to DNA amplification and direct sequencing of integrase genes. The sequences were interpreted for drug resistance according to the Stanford algorithm and the International AIDS Society-USA guidelines. Phylogenetic analysis revealed that HIV-1 subtype D, C, G, A1, and recombinant forms accounted for 40%, 10%, 13.3%, 23.4%, and 13.3%, respectively. Furthermore, inter-subtype recombinants were interspersed within viral strains sampled in other African countries, highlighting complex transmission dynamics within a mobile host population. A total of 78 of 288 (27%) amino acid IN positions presented at least one polymorphism each. Major INSTI resistance mutations were absent, however, polymorphic accessory mutations at positions M50ILR (26.6%) and L74I (3.3%) were detected. Despite the limited size of the study population, our findings underscore the need for monitoring minor and natural polymorphisms that may influence the outcome of treatment regimens.


Assuntos
Fármacos Anti-HIV , Infecções por HIV , Inibidores de Integrase de HIV , Integrase de HIV , HIV-1 , Fármacos Anti-HIV/uso terapêutico , Farmacorresistência Viral/genética , Genótipo , Infecções por HIV/tratamento farmacológico , Infecções por HIV/epidemiologia , Integrase de HIV/genética , Inibidores de Integrase de HIV/farmacologia , Inibidores de Integrase de HIV/uso terapêutico , Humanos , Mutação , Filogenia , Sudão do Sul
2.
Rheumatology (Oxford) ; 61(4): 1600-1609, 2022 04 11.
Artigo em Inglês | MEDLINE | ID: mdl-34320649

RESUMO

OBJECTIVE: The aim of this study was to identify the main CT features that may help in distinguishing a progression of interstitial lung disease (ILD) secondary to SSc from COVID-19 pneumonia. METHODS: This multicentric study included 22 international readers grouped into a radiologist group (RADs) and a non-radiologist group (nRADs). A total of 99 patients, 52 with COVID-19 and 47 with SSc-ILD, were included in the study. RESULTS: Fibrosis inside focal ground-glass opacities (GGOs) in the upper lobes; fibrosis in the lower lobe GGOs; reticulations in lower lobes (especially if bilateral and symmetrical or associated with signs of fibrosis) were the CT features most frequently associated with SSc-ILD. The CT features most frequently associated with COVID- 19 pneumonia were: consolidation (CONS) in the lower lobes, CONS with peripheral (both central/peripheral or patchy distributions), anterior and posterior CONS and rounded-shaped GGOs in the lower lobes. After multivariate analysis, the presence of CONs in the lower lobes (P < 0.0001) and signs of fibrosis in GGOs in the lower lobes (P < 0.0001) remained independently associated with COVID-19 pneumonia and SSc-ILD, respectively. A predictive score was created that was positively associated with COVID-19 diagnosis (96.1% sensitivity and 83.3% specificity). CONCLUSION: CT diagnosis differentiating between COVID-19 pneumonia and SSc-ILD is possible through a combination of the proposed score and radiologic expertise. The presence of consolidation in the lower lobes may suggest COVID-19 pneumonia, while the presence of fibrosis inside GGOs may indicate SSc-ILD.


Assuntos
COVID-19 , Doenças Pulmonares Intersticiais , Escleroderma Sistêmico , COVID-19/complicações , COVID-19/diagnóstico por imagem , Teste para COVID-19 , Fibrose , Humanos , Pulmão/diagnóstico por imagem , Pulmão/patologia , Doenças Pulmonares Intersticiais/complicações , Doenças Pulmonares Intersticiais/etiologia , Escleroderma Sistêmico/complicações , Escleroderma Sistêmico/diagnóstico por imagem , Escleroderma Sistêmico/patologia , Tomografia Computadorizada por Raios X
3.
Br J Clin Pharmacol ; 88(1): 155-165, 2022 01.
Artigo em Inglês | MEDLINE | ID: mdl-34087003

RESUMO

BACKGROUND AND PURPOSE: Corticosteroids are often prescribed to community-acquired pneumonia (CAP) patients, but the relationship with major cardiovascular events (MACEs) is unclear. EXPERIMENTAL APPROACH: 541 CAP patients were recruited (334 males, mean age 71.9 ± 16.2 years). High-sensitivity troponin T (hs-cTnT) was measured at admission, during the hospital stay and at discharge. MACE occurrence was registered during a long-term follow-up. KEY RESULTS: Overall, 318 patients (59%) showed hs-cTnT elevation >99th percentile (>0.014 µg/L). Age, heart failure and the increasing quintiles of hs-cTnT (hazard ratio [HR] 2.16, 95% confidence interval [CI] 1.82-2.58, P < .001) predicted MACEs. Among patients with hs-cTnT >0.014 µg/L at admission, 102 patients (31%) were on corticosteroids and showed lower hs-cTnT increase (P = .021), (NADPH) oxidase-2 (Nox2) activation (P = .005) and incidence of MACEs than untreated ones (HR 0.64, 95% CI 0.41-0.97, P = .038); no effect of corticosteroids on MACEs was observed in CAP patients with normal troponin. In vitro study showed that glucocorticoids have an antioxidant effect via downregulation of Nox2 activity. CONCLUSION AND IMPLICATIONS: The study provides evidence that corticosteroid use is associated with lower increase of hs-cTnT and incidence of MACEs in CAP patients.


Assuntos
Infecções Comunitárias Adquiridas , Insuficiência Cardíaca , Pneumonia , Corticosteroides/efeitos adversos , Idoso , Idoso de 80 Anos ou mais , Biomarcadores , Infecções Comunitárias Adquiridas/tratamento farmacológico , Infecções Comunitárias Adquiridas/epidemiologia , Hospitais , Humanos , Masculino , Pessoa de Meia-Idade , Pneumonia/tratamento farmacológico , Pneumonia/epidemiologia , Prognóstico , Troponina T
4.
Int J Mol Sci ; 23(17)2022 Sep 02.
Artigo em Inglês | MEDLINE | ID: mdl-36077436

RESUMO

The most commonly used antiviral treatment against hepatitis C virus is a combination of direct-acting antivirals (DAAs) and ribavirin (RBV), which leads to a shortened duration of therapy and a sustained virologic response until 98%. Nonetheless, several dose-related side effects of RBV could limit its applications. This study aims to measure the urinary concentration of RBV and its main metabolites in order to evaluate the drug metabolism ability of HCV patients and to evaluate the adverse effects, such as anemia, with respect to RBV metabolite levels. RBV and its proactive and inactive metabolites were identified and quantified in the urine of 17 HCV males with severe liver fibrosis using proton nuclear magnetic resonance (1H-NMR) at the fourth week (TW4) and at the twelfth week of treatment (EOT). Four prodrug urinary metabolites, including RBV, were identified and three of them were quantified. At both the TW4 and EOT stages, six HCV patients were found to maintain high concentrations of RBV, while another six patients maintained a high level of RBV proactive metabolites, likely due to nucleosidase activity. Furthermore, a negative correlation between the reduction in hemoglobin (Hb) and proactive forms was observed, according to RBV-triphosphate accumulation causing the hemolysis. These findings represent a proof of concept regarding tailoring the drug dose in relation to the specific metabolic ability of the individual, as expected by the precision medicine approach.


Assuntos
Hepatite C Crônica , Hepatite C , Antivirais/efeitos adversos , Quimioterapia Combinada , Hepacivirus , Hepatite C/tratamento farmacológico , Hepatite C Crônica/tratamento farmacológico , Humanos , Masculino , Medicina de Precisão , Proteínas Recombinantes/farmacologia , Ribavirina/efeitos adversos , Resultado do Tratamento
5.
Liver Int ; 41(1): 158-167, 2021 01.
Artigo em Inglês | MEDLINE | ID: mdl-32979012

RESUMO

BACKGROUND/AIMS: Hepatitis C virus (HCV) has been identified in tubular epithelial cells of infected patients; however, the presence of tubular dysfunction, which is a risk factor for chronic kidney disease (CKD), has never been examined in vivo. The present prospective longitudinal study aimed to estimate the prevalence of tubular dysfunction alone or with glomerular damage and its evolution after HCV clearance in cirrhotic patients. METHODS: One hundred and thirty-five consecutive Child-Pugh A cirrhotic patients were evaluated before antiviral treatment and 6 months after the end of therapy. Tubular dysfunction was evaluated by urinary alpha1-microglobulin to creatinine ratio (α1-MCR), and glomerular damage was assessed by urinary albumin to creatinine ratio (ACR). RESULTS: Almost all the patients (93.3%) showed a normal or mildly decreased e-GFR (KDIGO-G1/G2-categories). Tubular dysfunction was found in 23.7% (32/135) of patients, co-occurring with glomerular damage in 37.5% (12/32) of cases, while glomerular damage was found in 16.3% (22/135) of patients. In multiple logistic regression, glomerular damage and the concomitant presence of diabetes and hypertension were the only predictors significantly associated with tubular dysfunction. After HCV clearance, patients experienced a significant reduction of α1-MCR levels (21.0 vs 10.5 µg/mg, P = .009) and tubular dysfunction resolved in 57.1% of subjects. CONCLUSIONS: Tubular dysfunction is an unrecognized feature of HCV-related kidney disease in cirrhotic patients and its presence should be primarily investigated in subjects with glomerular damage, diabetes and hypertension, despite normal e-GFR. Tubular dysfunction resolves in the majority of cases after HCV clearance; however, it may persist after antiviral treatment and further studies should evaluate its long-term impact on kidney function.


Assuntos
Hepatite C Crônica , Hepatite C , Antivirais/uso terapêutico , Hepacivirus , Hepatite C/complicações , Hepatite C/tratamento farmacológico , Hepatite C/epidemiologia , Hepatite C Crônica/complicações , Hepatite C Crônica/tratamento farmacológico , Humanos , Cirrose Hepática/tratamento farmacológico , Cirrose Hepática/epidemiologia , Estudos Longitudinais , Estudos Prospectivos , Resposta Viral Sustentada
6.
Liver Int ; 41(8): 1713-1733, 2021 08.
Artigo em Inglês | MEDLINE | ID: mdl-33982400

RESUMO

NAFLD/NASH is a sex-dimorphic disease, with a general higher prevalence in men. Women are at reduced risk of NAFLD compared to men in fertile age, whereas after menopause women have a comparable prevalence of NAFLD as men. Indeed, sexual category, sex hormones and gender habits interact with numerous NAFLD factors including cytokines, stress and environmental factors and alter the risk profiles and phenotypes of NAFLD. In the present review, we summarized the last findings about the influence of sex on epidemiology, pathogenesis, progression in cirrhosis, indication for liver transplantation and alternative therapies, including lifestyle modification and pharmacological strategies. We are confident that an appropriate consideration of sex, age, hormonal status and sociocultural gender differences will lead to a better understanding of sex differences in NAFLD risk, therapeutic targets and treatment responses and will aid in achieving sex-specific personalized therapies.


Assuntos
Hepatopatia Gordurosa não Alcoólica , Feminino , Humanos , Fígado/patologia , Cirrose Hepática/patologia , Masculino , Hepatopatia Gordurosa não Alcoólica/epidemiologia , Hepatopatia Gordurosa não Alcoólica/patologia , Hepatopatia Gordurosa não Alcoólica/terapia , Caracteres Sexuais , Fatores Sexuais
7.
Ann Rheum Dis ; 79(6): 724-726, 2020 06.
Artigo em Inglês | MEDLINE | ID: mdl-32349982

RESUMO

Due to the frequent presence of interstitial lung disease and widespread use of immunosuppressive treatment, systemic sclerosis (SSc) patients may be considered at risk for a more severe disease course and higher mortality when they develop Severe Acute Respiratory Syndrome - Coronavirus - 2 (SARS-CoV-2) virus infection. Therefore, with World Scleroderma Foundation endorsement, experts from different specialties including rheumatology, virology and clinical immunology gathered virtually to answer to the main practical clinical questions regarding SARS-CoV-2 infection coming from both patients and physicians. This preliminary advice is aligned with other national and international recommendations, adapted for SSc patients.


Assuntos
Infecções por Coronavirus/tratamento farmacológico , Infecções por Coronavirus/fisiopatologia , Pneumonia Viral/tratamento farmacológico , Pneumonia Viral/fisiopatologia , Escleroderma Sistêmico/terapia , Escleroderma Sistêmico/virologia , Anticorpos Monoclonais Humanizados/uso terapêutico , Betacoronavirus , COVID-19 , Infecções por Coronavirus/epidemiologia , Humanos , Imunossupressores/administração & dosagem , Imunossupressores/efeitos adversos , Doenças Pulmonares Intersticiais/imunologia , Doenças Pulmonares Intersticiais/virologia , Pandemias , Pneumonia Viral/epidemiologia , Pneumonia Viral/virologia , Síndrome do Desconforto Respiratório/tratamento farmacológico , Síndrome do Desconforto Respiratório/virologia , SARS-CoV-2 , Escleroderma Sistêmico/epidemiologia , Escleroderma Sistêmico/imunologia
8.
J Viral Hepat ; 26(4): 506-512, 2019 04.
Artigo em Inglês | MEDLINE | ID: mdl-30548124

RESUMO

In Europe, autochthonous hepatitis E virus (HEV) infection is mainly a foodborne zoonosis, but it is also transmitted by blood transfusion. Despite the numerous prevalence surveys, only a few studies have investigated HEV incidence. We aimed to determine HEV incidence and risk factors among blood donors in a hyperendemic area in Central Italy. Of 296 blood donors who had tested HEV negative in two previous seroprevalence surveys in L'Aquila, 198 agreed to undergo at least another blood sampling for estimating HEV incidence nearly 2 years after the prevalence surveys. Ten newly acquired infections were detected, yielding an overall incidence of 2.1/100 person-years (95%CI: 1.0-3.9), with an estimated participant's cumulative probability of becoming HEV infected of 6.5% (95%CI: 3.5-12.0) at 4 years after enrolment. Seven newly infected blood donors were IgG positive only, two were IgM positive (one also IgG positive) and one was HEV RNA positive only, harbouring subtype 3c. Incident infection was most strongly associated with eating game meat, raw-dried pork liver sausage and raw-dried wild boar sausage. None of these exposures was statistically significant, even if eating raw-dried wild boar sausage approached significance (P = 0.06). The HEV incidence we found was considerable compared with other similar studies. The nearly significant association of incident infection with wild boar and other game meat consumption was in agreement with the 3c subtype isolation in the viremic donor. However, beyond eating habits, also other exposure sources are likely important in hyperendemic areas, where incidence and risk exposure studies need to be undertaken for effectively preventing HEV transmission.


Assuntos
Doadores de Sangue/estatística & dados numéricos , Vírus da Hepatite E/isolamento & purificação , Hepatite E/epidemiologia , Animais , Anticorpos Antivirais/sangue , Feminino , Doenças Transmitidas por Alimentos/epidemiologia , Doenças Transmitidas por Alimentos/virologia , Genótipo , Hepatite E/transmissão , Hepatite E/virologia , Vírus da Hepatite E/classificação , Vírus da Hepatite E/genética , Vírus da Hepatite E/imunologia , Humanos , Imunoglobulina G/sangue , Imunoglobulina M/sangue , Incidência , Itália/epidemiologia , Masculino , Pessoa de Meia-Idade , Filogenia , RNA Viral/sangue , Fatores de Risco
9.
Hepatology ; 68(3): 1010-1024, 2018 09.
Artigo em Inglês | MEDLINE | ID: mdl-29604220

RESUMO

Recent reports suggested that direct acting antivirals (DAAs) might favor hepatocellular carcinoma (HCC). In study 1, we studied the proangiogenic liver microenvironment in 242 DAA-treated chronic hepatitis C patients with advanced fibrosis. Angiopoietin-2 (ANGPT2) expression was studied in tissue (cirrhotic and/or neoplastic) from recurrent, de novo, nonrecurrent HCC, or patients never developing HCC. Circulating ANGPT2,vascular endothelial growth factor (VEGF), and C-reactive protein (CRP) were also measured. In study 2, we searched for factors associated with de novo HCC in 257 patients with cirrhosis of different etiologies enrolled in a dedicated prospective study. Thorough biochemical, clinical, hemodynamic, endoscopic, elastographic, and echo-Doppler work-up was performed in both studies. In study 1, no patients without cirrhosis developed HCC. Of 183 patients with cirrhosis, 14 of 28 (50.0%) with previous HCC recurred whereas 21 of 155 (13.5%) developed de novo HCC. Patients with recurrent and de novo HCCs had significantly higher liver fibrosis (LF) scores, portal pressure, and systemic inflammation than nonrecurrent HCC or patients never developing HCC. In recurrent/de novo HCC patients, tumor and nontumor ANGPT2 showed an inverse relationship with portal vein velocity (PVv; r = -0.412, P = 0.037 and r = -0.409, P = 0.047 respectively) and a positive relationship with liver stiffness (r = 0.526, P = 0.007; r = 0.525, P = 0.003 respectively). Baseline circulating VEGF and cirrhotic liver ANGPT2 were significantly related (r = 0.414, P = 0.044). VEGF increased during DAAs, remaining stably elevated at 3-month follow-up, when it significantly related with serum ANGPT2 (r = 0.531, P = 0.005). ANGPT2 expression in the primary tumor or in cirrhotic tissue before DAAs was independently related with risk of HCC recurrence (odds ratio [OR], 1.137; 95% confidence interval [CI], 1.044-1.137; P = 0.003) or occurrence (OR, 1.604; 95% CI, 1.080-2.382; P = 0.019). In study 2, DAA treatment (OR, 4.770; 95% CI, 1.395-16.316; P = 0.013) and large varices (OR, 3.857; 95% CI, 1.127-13.203; P = 0.032) were independent predictors of de novo HCC. CONCLUSION: Our study indicates that DAA-mediated increase of VEGF favors HCC recurrence/occurrence in susceptible patients, that is, those with more severe fibrosis and splanchnic collateralization, who already have abnormal activation in liver tissues of neo-angiogenetic pathways, as shown by increased ANGPT2. (Hepatology 2018; 00:000-000).


Assuntos
Angiopoietina-2/sangue , Antivirais/efeitos adversos , Carcinoma Hepatocelular/induzido quimicamente , Hepatite C/tratamento farmacológico , Neoplasias Hepáticas/induzido quimicamente , Recidiva Local de Neoplasia/induzido quimicamente , Idoso , Carcinoma Hepatocelular/sangue , Feminino , Hepatite C/complicações , Humanos , Hipertensão Portal/complicações , Cirrose Hepática/complicações , Cirrose Hepática/virologia , Neoplasias Hepáticas/sangue , Masculino , Pessoa de Meia-Idade , Recidiva Local de Neoplasia/metabolismo , Neovascularização Patológica , Estudos Prospectivos , Microambiente Tumoral , Fator A de Crescimento do Endotélio Vascular/sangue
10.
Liver Int ; 39(3): 484-493, 2019 03.
Artigo em Inglês | MEDLINE | ID: mdl-30525275

RESUMO

BACKGROUND AND AIMS: Tenofovir disoproxil fumarate (TDF) is recommended for chronic hepatitis B (CHB) treatment, but it may induce kidney dysfunction whose management is not yet known. This Italian, multicentre, retrospective study aimed to assess the efficacy and safety of switching to entecavir (ETV) patients who developed TDF-associated glomerular and/or tubular dysfunction. METHODS: A total of 103 TDF-treated patients were included as follows: age 64 years, 83% male, 49% cirrhotics, 98% with undetectable HBV DNA, 47% with previous lamivudine resistance (LMV-R) and 71% previously treated with adefovir. Twenty-nine (28%) were switched to ETV because estimated glomerular filtration rate (eGFRMDRD ) was <60 mL/min, 37 (36%) because blood phosphate (P) levels were <2.5 mg/dL and 37 (36%) for both reasons. Kidney, liver and virological parameters were recorded every 4 months thereafter. RESULTS: During 46 (4-115) months of ETV treatment, all patients' renal parameters significantly improved as follows: creatinine from 1.30 to 1.10 mg/dL (P < 0.0001), eGFRMDRD from 54 to 65 mL/min (P = 0.002), P from 2.2 to 2.6 mg/dL (P < 0.0001) and maximal tubule phosphate reabsorption (TmPO4/eGFR) from 0.47 to 0.62 mmol/L (P < 0.0001). Thirteen patients (52%) improved their eGFRMDRD class, P levels were normalised in 13 (35%), and eight (22%) showed improvements in both parameters. Viral suppression was maintained in all but five patients (5%), all of whom had been LMV-R. The 5-year cumulative probability of ETV-R was 0% in LMV-naïve patients, and 11% in LMV-R patients (P = 0.018). CONCLUSIONS: Entecavir is an effective and safe rescue strategy for CHB patients who develop renal dysfunction during long-term TDF treatment.


Assuntos
Antivirais/administração & dosagem , Antivirais/efeitos adversos , Substituição de Medicamentos , Guanina/análogos & derivados , Hepatite B Crônica/tratamento farmacológico , Nefropatias/induzido quimicamente , Rim/efeitos dos fármacos , Tenofovir/efeitos adversos , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Guanina/administração & dosagem , Guanina/efeitos adversos , Hepatite B Crônica/diagnóstico , Humanos , Itália , Rim/fisiopatologia , Nefropatias/diagnóstico , Nefropatias/fisiopatologia , Masculino , Pessoa de Meia-Idade , Recuperação de Função Fisiológica , Estudos Retrospectivos , Resposta Viral Sustentada , Tenofovir/administração & dosagem , Fatores de Tempo , Resultado do Tratamento
11.
BMC Infect Dis ; 19(1): 876, 2019 Oct 22.
Artigo em Inglês | MEDLINE | ID: mdl-31640585

RESUMO

BACKGROUND: Blastocystis is one of the most common intestinal protozoa in human faecal samples with uncertain impact on public health. Studies on the prevalence of Blastocystis in HIV-positive patients are limited and dated. METHODS: A cross-sectional study was carried out involving 156 HIV-positive patients to evaluate the prevalence of Blastocystis-subtypes by molecular amplification and sequencing the small subunit rRNA gene (SSU rDNA), to identify the risk factors for its transmission, to examine the relationship between the presence of the protist and gastrointestinal disorders. Furthermore, the evaluation of the faecal calprotectin by immunoassay from a sample of subjects was performed to evaluate the gut inflammation in Blastocystis-carriers. RESULTS: Blastocystis-subtypes ST1, ST2, ST3, ST4 were identified in 39 HIV-positive patients (25%). No correlation was found between the presence of the protist and virological or epidemiological risk factors. Blastocystis was more frequently detected in homosexual subjects (p = 0.037) infected by other enteric protozoa (p = 0.0001) and with flatulence (p = 0.024). No significant differences in calprotectin level was found between Blastocystis-carriers and free ones. CONCLUSIONS: Blastocystis is quite common in HIV-positive patients on ART showing in examined patients 25% prevalence. Homosexual behaviour may represent a risk factor for its transmission, while CD4 count and viremia didn't correlate with the presence of the protist. The pathogenetic role of Blastocystis remains unclear and no gut inflammation status was detected in Blastocystis-carriers. The only symptom associated with Blastocystis was the flatulence, evidencing a link between the presence of the protist and the composition and stability of gut microbiota.


Assuntos
Infecções por Blastocystis/epidemiologia , Blastocystis/patogenicidade , Soropositividade para HIV/parasitologia , Infecções Oportunistas Relacionadas com a AIDS/epidemiologia , Infecções Oportunistas Relacionadas com a AIDS/parasitologia , Adulto , Idoso , Animais , Animais Domésticos , Blastocystis/genética , Infecções por Blastocystis/etiologia , Infecções por Blastocystis/transmissão , Estudos Transversais , Fezes/química , Fezes/parasitologia , Feminino , Soropositividade para HIV/tratamento farmacológico , Homossexualidade Masculina , Humanos , Complexo Antígeno L1 Leucocitário/análise , Masculino , Pessoa de Meia-Idade , Filogenia , Prevalência , Fatores de Risco , Adulto Jovem
12.
Mod Rheumatol ; 29(6): 895-902, 2019 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-30582388

RESUMO

Objectives: The recent introduction of direct-acting antiviral agents (DAAs) which can eliminate Hepatitis C virus (HCV) had revolutionized the treatment of HCV infections also in a complex clinical setting such as the patients with rheumatoid arthritis (RA). HCV elimination is also opportune due to the availability of more efficient immunosuppressive drugs, whose effect on the course of HCV infection is largely unknown.Methods: Consensus process was endorsed by the Italian Society of Rheumatology (SIR) and the Italian Society of Infectious and Tropical Diseases (SIMIT) to review the available evidence and produce practical, hospital-wide recommendations. The consensus panel consisted of 18 infectious diseases consultants, 20 rheumatologists and one clinical epidemiologist, who used the criteria of the Oxford Centre for Evidence-based Medicine to assess the quality of the evidence and the strength of their recommendations.Results: A core-set of statements about management of patients with RA and infection by HCV have been developed to help clinicians in their clinical practice.Conclusions: A screening for HCV should be performed in all RA patients and it is mandatory before starting an immunosuppressive therapy. Finally, a DAA treatment should be considered in all HCV-infected patients.Significance and InnovationsHCV antibodies should be investigated at the time of diagnosis of RA and, in any case, before starting immunosuppressive therapy with disease-modifying antirheumatic drugs (DMARDs).HCV eradication with DAA should be attempted as soon as possible, depending on patient conditions allowing a continuous oral treatment lasting 8-12 weeksConventional and biological DMARDs are allowed in patients with HCV infection, but they should be used cautiously in presence of advanced liver disease.


Assuntos
Antivirais/uso terapêutico , Artrite Reumatoide/complicações , Hepatite C Crônica/tratamento farmacológico , Guias de Prática Clínica como Assunto , Antirreumáticos/administração & dosagem , Antirreumáticos/uso terapêutico , Antivirais/administração & dosagem , Artrite Reumatoide/tratamento farmacológico , Consenso , Medicina Baseada em Evidências , Hepatite C Crônica/complicações , Humanos , Imunossupressores/administração & dosagem , Imunossupressores/uso terapêutico , Itália
13.
Hepatology ; 66(6): 1814-1825, 2017 12.
Artigo em Inglês | MEDLINE | ID: mdl-28741307

RESUMO

We evaluated the cost-effectiveness of two alternative direct-acting antiviral (DAA) treatment policies in a real-life cohort of hepatitis C virus-infected patients: policy 1, "universal," treat all patients, regardless of fibrosis stage; policy 2, treat only "prioritized" patients, delay treatment of the remaining patients until reaching stage F3. A liver disease progression Markov model, which used a lifetime horizon and health care system perspective, was applied to the PITER cohort (representative of Italian hepatitis C virus-infected patients in care). Specifically, 8,125 patients naive to DAA treatment, without clinical, sociodemographic, or insurance restrictions, were used to evaluate the policies' cost-effectiveness. The patients' age and fibrosis stage, assumed DAA treatment cost of €15,000/patient, and the Italian liver disease costs were used to evaluate quality-adjusted life-years (QALY) and incremental cost-effectiveness ratios (ICER) of policy 1 versus policy 2. To generalize the results, a European scenario analysis was performed, resampling the study population, using the mean European country-specific health states costs and mean treatment cost of €30,000. For the Italian base-case analysis, the cost-effective ICER obtained using policy 1 was €8,775/QALY. ICERs remained cost-effective in 94%-97% of the 10,000 probabilistic simulations. For the European treatment scenario the ICER obtained using policy 1 was €19,541.75/QALY. ICER was sensitive to variations in DAA costs, in the utility value of patients in fibrosis stages F0-F3 post-sustained virological response, and in the transition probabilities from F0 to F3. The ICERs decrease with decreasing DAA prices, becoming cost-saving for the base price (€15,000) discounts of at least 75% applied in patients with F0-F2 fibrosis. CONCLUSION: Extending hepatitis C virus treatment to patients in any fibrosis stage improves health outcomes and is cost-effective; cost-effectiveness significantly increases when lowering treatment prices in early fibrosis stages. (Hepatology 2017;66:1814-1825).


Assuntos
Antivirais/economia , Política de Saúde/economia , Hepatite C/tratamento farmacológico , Modelos Econômicos , Adulto , Idoso , Idoso de 80 Anos ou mais , Estudos de Coortes , Análise Custo-Benefício , Hepatite C/economia , Humanos , Pessoa de Meia-Idade , Adulto Jovem
14.
Liver Int ; 38(12): 2190-2198, 2018 12.
Artigo em Inglês | MEDLINE | ID: mdl-29900654

RESUMO

BACKGROUND & AIMS: Advances in direct-acting antiviral treatment of HCV have reinvigorated public health initiatives aimed at identifying affected individuals. We evaluated the possible impact of only diagnosed and linked-to-care individuals on overall HCV burden estimates and identified a possible strategy to achieve the WHO targets by 2030. METHODS: Using a modelling approach grounded in Italian real-life data of diagnosed and treated patients, different linkage-to-care scenarios were built to evaluate potential strategies in achieving the HCV elimination goals. RESULTS: Under the 40% linked-to-care scenario, viraemic burden would decline (60%); however, eligible patients to treat will be depleted by 2025. Increased case finding through a targeted screening strategy in 1948-1978 birth cohorts could supplement the pool of diagnosed patients by finding 75% of F0-F3 cases. Under the 60% linked-to-care scenario, viraemic infections would decline by 70% by 2030 but the patients eligible for treatment will run out by 2028. If treatment is to be maintained, a screening strategy focusing on 1958-1978 birth cohorts could capture 55% of F0-F3 individuals. Under the 80% linked-to-care scenario, screening limited in 1968-1978 birth cohorts could sustain treatment at levels required to achieve the HCV elimination goals. CONCLUSION: In Italy, which is an HCV endemic country, the eligible pool of patients to treat will run out between 2025 and 2028. To maintain the treatment rate and achieve the HCV elimination goals, increased case finding in targeted, high prevalence groups is required.


Assuntos
Causas de Morte , Erradicação de Doenças/tendências , Hepatite C/epidemiologia , Mortalidade/tendências , Viremia/epidemiologia , Antivirais/uso terapêutico , Carcinoma Hepatocelular/mortalidade , Efeitos Psicossociais da Doença , Hepatite C/diagnóstico , Hepatite C/tratamento farmacológico , Humanos , Itália/epidemiologia , Cirrose Hepática/mortalidade , Neoplasias Hepáticas/mortalidade , Cadeias de Markov , Resposta Viral Sustentada , Viremia/diagnóstico , Viremia/tratamento farmacológico , Organização Mundial da Saúde
15.
Infection ; 46(5): 725-727, 2018 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-29946850

RESUMO

INTRODUCTION: Hepatitis E virus (HEV) is an emerging cause of autochthonous-acute-hepatitis and acute-on-chronic-liver-failure in western countries. Treatment is not routinely used, despite ribavirin has a good antiviral effect. In vitro sofosbuvir inhibits HEV replication, but clinical data are lacking. CASE REPORT: We report a case of acute-on-chronic-liver-failure due to HEV treated with sofosbuvir and ribavirin. The treatment was capable of rapidly inducing both HCV and HEV viral suppression. CONCLUSION: In conclusion, although more data are required before firm conclusions could be drawn, the combination of sofosbuvir and ribavirin in not immunosuppressed patients with acute hepatitis E may be able to clear HEV infection.


Assuntos
Hepatite E/tratamento farmacológico , Hepatite E/transmissão , Ribavirina/uso terapêutico , Sofosbuvir/uso terapêutico , Insuficiência Hepática Crônica Agudizada/diagnóstico , Insuficiência Hepática Crônica Agudizada/tratamento farmacológico , Insuficiência Hepática Crônica Agudizada/virologia , Biomarcadores , Coinfecção , Quimioterapia Combinada , Evolução Fatal , Hepatite E/diagnóstico , Hepatite E/virologia , Humanos , Testes de Função Hepática , Masculino , Pessoa de Meia-Idade , Ribavirina/administração & dosagem , Choque Séptico , Sofosbuvir/administração & dosagem , Resultado do Tratamento , Carga Viral
16.
Infection ; 46(2): 147-163, 2018 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-29098647

RESUMO

BACKGROUND: The recent availability of direct acting antiviral drugs (DAAs) has drastically changed hepatitis C virus (HCV) treatment scenarios, due to the exceedingly high rates of sustained virological response (SVR) and excellent tolerability allowing for treatment at all disease stages. METHODS: A panel of Italian experts was convened twice, in November 2016 and January 2017, to provide further support on some open issues and provide guidance for personalized HCV care, also in light of forthcoming regimens. RESULTS AND CONCLUSIONS: Treatment recommendations issued by international and national liver societies to guide clinicians in the management of HCV infection are constantly updated due to accumulating new data. Such recommendations may not be applicable to all healthcare settings for a variety of reasons. Moreover, some gaps still remain and the spectrum of patients to be treated is also evolving.


Assuntos
Antivirais , Hepatite C/tratamento farmacológico , Antivirais/administração & dosagem , Antivirais/farmacocinética , Antivirais/uso terapêutico , Comorbidade , Humanos , Itália
17.
BMC Infect Dis ; 18(1): 223, 2018 05 16.
Artigo em Inglês | MEDLINE | ID: mdl-29769038

RESUMO

BACKGROUND: Management of chronic hepatitis C (CHC) has significantly accelerated in the last few years. Currently, second generation direct acting antivirals (DAAs) promise clearance of infection in most of patients. Here we present the results of the first analysis carried out on data of Lazio clinical network for DAAs. METHODS: The study was designed as a multicenter cohort: a) to assess the evolution of treatment during the first 24 months of the activity of the Clinical Network; b) to report overall efficacy of treatments; c) to analyze potential factors associated with lack of virological response at 12 weeks after therapy (SVR12); d) to evaluate the variation of ALT at baseline and 12 weeks after therapy in those who achieved SVR12 in comparison to those who did not. Analyses of efficacy were carried out with multilevel mixed effect logistic regression model. ALT temporal variation was assessed by mixed effect model mixed models with random intercept at patient's level and random slope at the level of the time; i.e. either before or after therapy. RESULTS: Between 30 December 2014 and 31 December 2016 5279 patients started a DAA treatment; of those, 5127 (in 14 clinical centers) had completed the 12-week follow-up. Overall proportion of SVR12 was 93.41% (N = 4780) with no heterogeneity between the 14 clinical centers. Interruption as the consequence of severe side effect was very low (only 23 patients). Unadjusted analysis indicates that proportion of SVR12 significantly changes according to patient's baseline characteristics, however after adjusting for potential confounders only adherence to current guidelines, stage of liver diseases, gender, transplant and HIV status were independently associated with the response to therapy. Analysis of ALT temporal variation showed that ALT level normalized in most, but not, all patients who achieved SVR12. CONCLUSION: Our study confirmed the extraordinary efficacy of DAAs outside clinical trials. The advantage of DAAs was particularly significant for those patients who were previously considered as difficult-to-treat and did not have treatment options before DAAs era. Intervention based on network of select centers and prioritization of patients according to diseases severity was successful. Further studies are needed to establish whether clearance of HCV after DAAs therapy can arrest or even revert liver fibrosis in non-cirrhotic patients and/or improve life quality and expectancy in those who achieve SVR12 with cirrhosis.


Assuntos
Antivirais/uso terapêutico , Hepatite C Crônica/tratamento farmacológico , Terapias em Estudo , Adulto , Idoso , Idoso de 80 Anos ou mais , Estudos de Coortes , Quimioterapia Combinada , Drogas em Investigação/uso terapêutico , Feminino , Seguimentos , Hepatite C Crônica/complicações , Humanos , Cirrose Hepática/complicações , Cirrose Hepática/tratamento farmacológico , Cirrose Hepática/virologia , Masculino , Pessoa de Meia-Idade , Terapias em Estudo/métodos
18.
Clin Infect Dis ; 64(11): 1486-1493, 2017 Jun 01.
Artigo em Inglês | MEDLINE | ID: mdl-28205683

RESUMO

BACKGROUND.: Previous reports suggest that community-acquired pneumonia (CAP) is associated with an enhanced risk of cardiovascular complications. However, a contemporary and comprehensive characterization of this association is lacking. METHODS.: In this multicenter study, 1182 patients hospitalized for CAP were prospectively followed for up to 30 days after their hospitalization for this infection. Study endpoints included myocardial infarction, new or worsening heart failure, atrial fibrillation, stroke, deep venous thrombosis, cardiovascular death, and total mortality. RESULTS.: Three hundred eighty (32.2%) patients experienced intrahospital cardiovascular events (CVEs) including 281 (23.8%) with heart failure, 109 (9.2%) with atrial fibrillation, 89 (8%) with myocardial infarction, 11 (0.9%) with ischemic stroke, and 1 (0.1%) with deep venous thrombosis; 28 patients (2.4%) died for cardiovascular causes. Multivariable Cox regression analysis showed that intrahospital Pneumonia Severity Index (PSI) class (hazard ratio [HR], 2.45, P = .027; HR, 4.23, P < .001; HR, 5.96, P < .001, for classes III, IV, and V vs II, respectively), age (HR, 1.02, P = .001), and preexisting heart failure (HR, 1.85, P < .001) independently predicted CVEs. One hundred three (8.7%) patients died by day 30 postadmission. Thirty-day mortality was significantly higher in patients who developed CVEs compared with those who did not (17.6% vs 4.5%, P < .001). Multivariable Cox regression analysis showed that intrahospital CVEs (HR, 5.49, P < .001) independently predicted 30-day mortality (after adjustment for age, PSI score, and preexisting comorbid conditions). CONCLUSIONS.: CVEs, mainly those confined to the heart, complicate the course of almost one-third of patients hospitalized for CAP. More importantly, the occurrence of CVEs is associated with a 5-fold increase in CAP-associated 30-day mortality.


Assuntos
Doenças Cardiovasculares/complicações , Infecções Comunitárias Adquiridas/complicações , Infecções Comunitárias Adquiridas/mortalidade , Pneumonia/mortalidade , Idoso , Arritmias Cardíacas/epidemiologia , Arritmias Cardíacas/mortalidade , Doenças Cardiovasculares/mortalidade , Estudos de Coortes , Infecções Comunitárias Adquiridas/epidemiologia , Feminino , Hospitalização/estatística & dados numéricos , Humanos , Itália/epidemiologia , Masculino , Pessoa de Meia-Idade , Infarto do Miocárdio/complicações , Infarto do Miocárdio/mortalidade , Pneumonia/complicações , Pneumonia/epidemiologia , Modelos de Riscos Proporcionais , Fatores de Risco , Acidente Vascular Cerebral/epidemiologia , Acidente Vascular Cerebral/mortalidade
19.
Clin Infect Dis ; 64(5): 680-683, 2017 03 01.
Artigo em Inglês | MEDLINE | ID: mdl-28011605

RESUMO

Patients co-infected with hepatitis C virus (HCV) and human immunodeficiency virus (HIV) are at high risk of liver disease progression. We report a favorable safety profile and SVR12 rates of 96.7% among HIV/HCV co-infected patients participating in an Italian compassionate-use program of ombitasvir/paritaprevir/ritonavir + dasabuvir (OBV/PTV/r + DSV) ± ribavirin (RBV).

20.
J Hepatol ; 2017 Sep 05.
Artigo em Inglês | MEDLINE | ID: mdl-28882581

RESUMO

BACKGROUND & AIMS: Premenopausal women who are HCV positive (HCV+) have failing ovarian function, which is likely to impact their fertility. Thus, we investigated the reproductive history, risk of infertility, and pregnancy outcomes in women of childbearing age who were HCV+. METHODS: Three different groups were studied: (1) Clinical cohort: 100 women who were HCV+ and also had chronic liver disease (CLD), age matched with 50 women who were HBV+ with CLD and with 100 healthy women; all women were consecutively observed in three gastroenterology units in hospitals in Italy; (2) 1,998 women who were HCV+ and enrolled in the Italian Platform for the Study of Viral Hepatitis Therapies (PITER); (3) 6,085 women, who were mono-infected with HCV, and 20,415 women, who were HCV-, from a large de-identified insurance database from the USA. MEASUREMENTS: total fertility rate (TFR) defined as the average number of children that a woman would bear during her lifetime. To define the reproductive stage of each participant, levels of anti-Müllerian hormone (AMH) and 17ß-estradiol were measured. RESULTS: Clinical cohort: women who were either HCV+ or HBV+ had similar CLD severity and age at first pregnancy. Based on a multivariate analysis, women who were HCV+ had a higher risk of miscarriage than those who were HBV+ (odds ratio [OR] 6,905; 95% CI 1.771-26.926). Among women who were HCV+, incidence of miscarriage was correlated with median AMH level (1.0 ng/ml). Achieving a sustained virologic response (SVR) after antiviral treatment reduced the risk of miscarriage (OR 0.255; 95% CI 0.090-0.723). In the PITER-HCV cohort, miscarriage occurred in 42.0% of women (44.6% had multiple miscarriages). TFR for women who were HCV+ and between 15 and 49 years of age was 0.7 vs. 1.37 of Italian population of the same age range. In the US cohort: compared with women who were HCV-, women who were HCV+ positive were significantly more likely to have infertility (OR 2.439; 95% CI 2.130-2.794), premature birth (OR 1.34; 95% CI 1.060-1.690), gestational diabetes (OR 1.24; 95% CI 1.020-1.510), and pre-eclampsia (OR 1.206; 95% CI 0.935-1.556), and were less likely to have a live birth (OR 0.754; 95% CI 0.622-0.913). CONCLUSIONS: Ovarian senescence in women of childbearing age who are HCV+ is associated with a lower chance of live birth, greater risk of infertility, gestational diabetes, pre-eclampsia and miscarriage. Such risks could be positively influenced by successful HCV cure. LAY SUMMARY: Most new cases of HCV infection are among people who inject drugs, many of whom are young women in their childbearing years. Women of reproductive age who are HCV+ display markers of ovarian senescence. This is associated with an increased burden in terms of infertility and adverse pregnancy outcomes, including stillbirth, miscarriage, fewer live births, and gestational diabetes. Early viral suppression with therapy is likely to mitigate these risks.

SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA