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      Equitable access to HCV care in HIV-HCV co-infection can be achieved despite barriers to health care provision

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          Abstract

          Language barrier, race, immigration status, mental health illness, substance abuse and socioeconomic status are often not considered when evaluating hepatitis C virus (HCV) sustained virological response (SVR) in human immunodeficiency virus (HIV) infection. The influence of these factors on HCV work-up, treatment initiation and SVR were assessed in an HIV–HCV coinfected population and compared to patients with HCV mono-infection. The setting was a publicly funded, urban-based, multidisciplinary viral hepatitis clinic. A clinical database was utilized to identify HIV and HCV consults between June 2000 and June 2007. Measures of access to HCV care (ie, liver biopsy and HCV antiviral initiation) and SVR as a function of the above variables were evaluated and compared between patients with HIV–HCV and HCV. HIV–HCV co-infected (n = 106) and HCV mono-infected (n = 802) patients were evaluated. HIV–HCV patients were more often white (94% versus 84%) and male (87% versus 69%). Bridging fibrosis or cirrhosis on biopsy was more frequent in HIV–HCV (37% versus 22%; P = 0.03). HIV infection itself did not influence access to biopsy (50% versus 52%) or treatment initiation (39% versus 38%). Race, language barrier, immigration status, injection drug history and socioeconomic status did not influence access to biopsy or treatment. SVR was 54% in HCV and 30% in HIV–HCV ( P = 0.003). Genotype and HIV were the only evaluated variables to predict SVR. Within the context of a socialized, multidisciplinary clinic, HIV–HCV co-infected patients received similar access to HCV work-up and care as HCV mono-infected patients. SVR is diminished in HIV–HCV co-infection independent of language barrier, race, immigration status, or socioeconomic status.

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          Peginterferon alfa-2b plus ribavirin compared with interferon alfa-2b plus ribavirin for initial treatment of chronic hepatitis C: a randomised trial.

          A sustained virological response (SVR) rate of 41% has been achieved with interferon alfa-2b plus ribavirin therapy of chronic hepatitis C. In this randomised trial, peginterferon alfa-2b plus ribavirin was compared with interferon alfa-2b plus ribavirin. 1530 patients with chronic hepatitis C were assigned interferon alfa-2b (3 MU subcutaneously three times per week) plus ribavirin 1000-1200 mg/day orally, peginterferon alfa-2b 1.5 microg/kg each week plus 800 mg/day ribavirin, or peginterferon alfa-2b 1.5 microg/kg per week for 4 weeks then 0.5 microg/kg per week plus ribavirin 1000-1200 mg/day for 48 weeks. The primary endpoint was the SVR rate (undetectable hepatitis C virus [HCV] RNA in serum at 24-week follow-up). Analyses were based on patients who received at least one dose of study medication. The SVR rate was significantly higher (p=0.01 for both comparisons) in the higher-dose peginterferon group (274/511 [54%]) than in the lower-dose peginterferon (244/514 [47%]) or interferon (235/505 [47%]) groups. Among patients with HCV genotype 1 infection, the corresponding SVR rates were 42% (145/348), 34% (118/349), and 33% (114/343). The rate for patients with genotype 2 and 3 infections was about 80% for all treatment groups. Secondary analyses identified bodyweight as an important predictor of SVR, prompting comparison of the interferon regimens after adjusting ribavirin for bodyweight (mg/kg). Side-effect profiles were similar between the treatment groups. In patients with chronic hepatitis C, the most effective therapy is the combination of peginterferon alfa-2b 1.5 microg/kg per week plus ribavirin. The benefit is mostly achieved in patients with HCV genotype 1 infections.
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            Stigma in the HIV/AIDS epidemic: a review of the literature and recommendations for the way forward.

            Although stigma is considered a major barrier to effective responses to the HIV/AIDS epidemic, stigma reduction efforts are relegated to the bottom of AIDS programme priorities. The complexity of HIV/AIDS-related stigma is often cited as a primary reason for the limited response to this pervasive phenomenon. In this paper, we systematically review the scientific literature on HIV/AIDS-related stigma to document the current state of research, identify gaps in the available evidence and highlight promising strategies to address stigma. We focus on the following key challenges: defining, measuring and reducing HIV/AIDS-related stigma as well as assessing the impact of stigma on the effectiveness of HIV prevention and treatment programmes. Based on the literature, we conclude by offering a set of recommendations that may represent important next steps in a multifaceted response to stigma in the HIV/AIDS epidemic.
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              Peginterferon alfa-2a plus ribavirin for chronic hepatitis C virus infection.

              Treatment with peginterferon alfa-2a alone produces significantly higher sustained virologic responses than treatment with interferon alfa-2a alone in patients with chronic hepatitis C virus (HCV) infection. We compared the efficacy and safety of peginterferon alfa-2a plus ribavirin, interferon alfa-2b plus ribavirin, and peginterferon alfa-2a alone in the initial treatment of chronic hepatitis C. A total of 1121 patients were randomly assigned to treatment and received at least one dose of study medication, consisting of 180 microg of peginterferon alfa-2a once weekly plus daily ribavirin (1000 or 1200 mg, depending on body weight), weekly peginterferon alfa-2a plus daily placebo, or 3 million units of interferon alfa-2b thrice weekly plus daily ribavirin for 48 weeks. A significantly higher proportion of patients who received peginterferon alfa-2a plus ribavirin had a sustained virologic response (defined as the absence of detectable HCV RNA 24 weeks after cessation of therapy) than of patients who received interferon alfa-2b plus ribavirin (56 percent vs. 44 percent, P<0.001) or peginterferon alfa-2a alone (56 percent vs. 29 percent, P<0.001). The proportions of patients with HCV genotype 1 who had sustained virologic responses were 46 percent, 36 percent, and 21 percent, respectively, for the three regimens. Among patients with HCV genotype 1 and high base-line levels of HCV RNA, the proportions of those with sustained virologic responses were 41 percent, 33 percent, and 13 percent, respectively. The overall safety profiles of the three treatment regimens were similar; the incidence of influenza-like symptoms and depression was lower in the groups receiving peginterferon alfa-2a than in the group receiving interferon alfa-2b plus ribavirin. In patients with chronic hepatitis C, once-weekly peginterferon alfa-2a plus ribavirin was tolerated as well as interferon alfa-2b plus ribavirin and produced significant improvements in the rate of sustained virologic response, as compared with interferon alfa-2b plus ribavirin or peginterferon alfa-2a alone. Copyright 2002 Massachusetts Medical Society
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                Author and article information

                Journal
                Ther Clin Risk Manag
                Therapeutics and Clinical Risk Management
                Therapeutics and Clinical Risk Management
                Dove Medical Press
                1176-6336
                1178-203X
                2010
                2010
                26 April 2010
                : 6
                : 207-212
                Affiliations
                [1 ] The University of Ottawa Division of Infectious Diseases Viral Hepatitis Program, Ottawa, Canada
                [2 ] Faculty of Health Sciences, Simon Fraser University, Burnaby, Canada
                Author notes
                Correspondence: Curtis Cooper, Associate Professor of Medicine-University of Ottawa, The Ottawa Hospital, Room G12- 501 Smyth Rd, Ottawa, ON, Canada, K1H 8L6, Tel +1 613 737 8924, Fax +1 613 737 8164, Email ccooper@ 123456ottawahospital.on.ca
                Article
                tcrm-6-207
                2861442
                20463782
                3989db86-3e13-47b4-8619-698cccca0496
                © 2010 Cooper et al, publisher and licensee Dove Medical Press Ltd.

                This is an Open Access article which permits unrestricted noncommercial use, provided the original work is properly cited.

                History
                Categories
                Original Research

                Medicine
                hiv,hcv,sustained virological response,immigrant,language,barrier,race,health care access
                Medicine
                hiv, hcv, sustained virological response, immigrant, language, barrier, race, health care access

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