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      Favorable Socioeconomic Status and Recreational Polydrug Use Are Linked With Sexual Hepatitis C Virus Transmission Among Human Immunodeficiency Virus-Infected Men Who Have Sex With Men

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          Abstract

          Increasing incident HCV infections were found between 2011-2014 after declining between 2008-2010 among HIV-infected men in a Community Health Center in Baltimore. The reemerging epidemic was associated with sexual transmission and polydrug use among MSM with favorable socioeconomic status.

          Abstract

          Background.  Sexual transmission of hepatitis C virus (HCV) among human immunodeficiency virus (HIV)-infected men who have sex with men (MSM) is an emerging issue. Studies addressing the temporal trends and risk factors associated with incident HCV in HIV-infected MSM in the community-based primary care settings in the United States are scarce.

          Methods.  Using a retrospective cohort study design, HCV incidence, defined as HCV antibody seroconversion, was determined in 1147 HIV-infected men receiving care at Chase Brexton Health Care clinics in Baltimore, Maryland between 2004 and 2014. Multivariate regression analyses were used to identify factors associated with incident HCV.

          Results.  There were 42 incident HCV infections during 5242 person-years (PY) of follow up (incidence rate [IR], 8.01/1000 PY). Thirty-seven (88%) of the incident infections were in MSM, of whom 31 (84%) reported no injection-drug use (IDU). The annual IRs for MSM were 13.1–15.8/1000 PY between 2004 and 2007, decreased to 2.7–6.2/1000 PY between 2008 and 2011, and increased to 10.4/1000 PY and 13.3/1000 PY in 2013 and 2014, respectively. Injection-drug use was strongly associated with incident HCV among all MSM (IR ratio [IRR], 14.15; P = .003); however, among MSM without IDU, entering care between 2010 and 2013 (IRR, 3.32; P = .01), being employed (IRR, 3.14; P = .03), and having a history of ulcerative sexually transmitted infections (IRR, 3.70; P = .009) or of polydrug use (IRR, 5.54; P = .01) independently predicted incident HCV.

          Conclusions.  In this cohort of HIV-infected men, a re-emerging HCV epidemic was observed from 2011 to 2014 among MSM. In addition to IDU, high-risk sexual behaviors, favorable socioeconomic status, and polydrug use fueled this increase in HCV infections.

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          Recent epidemic of acute hepatitis C virus in HIV-positive men who have sex with men linked to high-risk sexual behaviours.

          Sanjay Bhagani, G. Dusheiko, Martin Fisher … (2007)
          To characterize the mode of hepatitis C virus (HCV) transmission in a recent epidemic of acute HCV in HIV-infected individuals using linked molecular and clinical epidemiological studies. Individuals diagnosed with acute HCV between 1999 and 2005 at three urban HIV units in the UK were enrolled into a phylogenetic and case-control study. Phylogenetic trees were constructed from the amplified sequences of the E1/E2 region of the HCV genome and were used to compare cases with unrelated sequences. A questionnaire-based, case-control study using matched controls recruited from each HIV unit identified putative transmission factors. One hundred and eleven HIV-positive men who have sex with men with acute HCV (genotype 1: 84%) were enrolled. Phylogenetic analysis of 93 E1/E2 sequences revealed seven monophyletic clusters signifying multiple independent HCV lineages co-circulating in the HIV-positive population. Permucosal rather than percutaneous transmission factors were associated with case/control status. Cases (n = 60) had more sexual partners, increased levels of high-risk sexual behaviour and were more likely to have shared drugs via a nasal or anal route in the preceding year in comparison with controls (n = 130). Sex in a group of more than two people was the strongest predictor of case/control status; odds ratios associated with participation in two or at least three types of high-risk sexual behaviour in a group were 9.16 (95% confidence interval, 3.51-23.90) and 23.50 (95% confidence interval, 9.47-58.33), respectively. The identified co-circulating HCV lineages belong to different subtypes and genotypes, implying that rather than viral change, the epidemic is due to permucosal transmission factors that should be the focus of public health interventions.
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            The Impact of Economic Crises on Communicable Disease Transmission and Control: A Systematic Review of the Evidence

            Marc Suhrcke, David Stuckler, Jonathan E. Suk … (2011)
            There is concern among public health professionals that the current economic downturn, initiated by the financial crisis that started in 2007, could precipitate the transmission of infectious diseases while also limiting capacity for control. Although studies have reviewed the potential effects of economic downturns on overall health, to our knowledge such an analysis has yet to be done focusing on infectious diseases. We performed a systematic literature review of studies examining changes in infectious disease burden subsequent to periods of crisis. The review identified 230 studies of which 37 met our inclusion criteria. Of these, 30 found evidence of worse infectious disease outcomes during recession, often resulting from higher rates of infectious contact under poorer living circumstances, worsened access to therapy, or poorer retention in treatment. The remaining studies found either reductions in infectious disease or no significant effect. Using the paradigm of the “SIR” (susceptible-infected-recovered) model of infectious disease transmission, we examined the implications of these findings for infectious disease transmission and control. Key susceptible groups include infants and the elderly. We identified certain high-risk groups, including migrants, homeless persons, and prison populations, as particularly vulnerable conduits of epidemics during situations of economic duress. We also observed that the long-term impacts of crises on infectious disease are not inevitable: considerable evidence suggests that the magnitude of effect depends critically on budgetary responses by governments. Like other emergencies and natural disasters, preparedness for financial crises should include consideration of consequences for communicable disease control.
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              Hepatitis C virus infections in the Swiss HIV Cohort Study: a rapidly evolving epidemic.

              Huldrych F. Günthard, Thomas Gsponer, Enos Bernasconi … (2012)
              Hepatitis C virus (HCV) infection has a growing impact on morbidity and mortality in patients infected with human immunodeficiency virus (HIV). We assessed trends in HCV incidence in the different HIV transmission groups in the Swiss HIV Cohort Study (SHCS). HCV infection incidence was assessed from 1998, when routine serial HCV screening was introduced in the SHCS, until 2011. All HCV-seronegative patients with at least 1 follow-up serology were included. Incidence rates (IRs) of HCV infections were compared between men who have sex with men (MSM), injection drug users (IDU), and heterosexuals (HET). HCV incidence was assessed in 3333 MSM, 123 IDU, and 3078 HET with a negative HCV serology at baseline. Over 23 707 person-years (py) for MSM, 733 py for IDU, and 20 752 py for HET, 101 (3%), 41 (33%), and 25 (1%) of patients seroconverted, respectively. The IR of HCV infections in MSM increased from 0.23 (95% credible interval [CrI], .08-.54) per 100 py in 1998 to 4.09 (95% CrI, 2.57-6.18) in 2011. The IR decreased in IDU and remained <1 per 100 py in HET. In MSM, history of inconsistent condom use (adjusted hazard ratio [HR], 2.09; 95% CI, 1.33-3.29) and past syphilis (adjusted HR, 2.11; 95% confidence interval [CI], 1.39-3.20) predicted HCV seroconversion. In the SHCS, HCV infection incidence decreased in IDU, remained stable in HET, and increased 18-fold in MSM in the last 13 years. These observations underscore the need for improved HCV surveillance and prevention among HIV-infected MSM.
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                Author and article information

                Journal
                Journal ID (nlm-ta): Open Forum Infect Dis
                Journal ID (iso-abbrev): Open Forum Infect Dis
                Journal ID (publisher-id): ofid
                Journal ID (hwp): ofids
                Title: Open Forum Infectious Diseases
                Publisher: Oxford University Press
                ISSN (Electronic): 2328-8957
                Publication date Collection: September 2016
                Publication date (Electronic): 29 June 2016
                Volume: 3
                Issue: 3
                Electronic Location Identifier: ofw137
                Affiliations
                [1 ]Laboratory of Biomedical Sciences and Epidemiology and Immune Knowledge of Infectious Diseases
                [2 ]Department of Biology
                [3 ]M.S. in Biology Program, Morgan State University
                [4 ]Chase Brexton Health Care
                [5 ]Division of Infectious Diseases, Department of Medicine, Sinai Hospital
                [6 ]Department of Medicine
                [7 ]Department of Emergency Medicine, Johns Hopkins University , Baltimore, Maryland
                Author notes
                [a]

                Present Affiliation: Sinai Hospital, Baltimore, Maryland.

                [b]

                Present Affiliation: Residency Program in Family Medicine, Louisiana State University Medical Center, New Orleans, Louisiana.

                Correspondence: Y-C. Chen, DPhil (Oxon), Department of Biology, School of Computer Science, Mathematical, and Natural Sciences, Morgan State University, 1700 East Cold Spring Lane, Baltimore, MD 21251 ( yunchi.chen@ 123456morgan.edu ).
                Article
                Publisher ID: ofw137
                DOI: 10.1093/ofid/ofw137
                PMC ID: 5047398
                SO-VID: 15263e7c-cea7-49c2-94bf-aa8c4ea2fd37
                Copyright © © The Author 2016. Published by Oxford University Press on behalf of the Infectious Diseases Society of America.
                License:

                This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs licence ( http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial reproduction and distribution of the work, in any medium, provided the original work is not altered or transformed in any way, and that the work is properly cited. For commercial re-use, please contact journals.permissions@oup.com.

                History
                Date received : 13 April 2016
                Date accepted : 16 June 2016
                Page count
                Pages: 11
                Categories
                Subject: Major Articles
                Series title: Editor's choice
                Custom metadata
                cover-date Summer 2016

                Keywords: hiv,msm,polydrug use,sexual hcv transmission,socioeconomic status
                Data availability:
                Keywords: hiv, msm, polydrug use, sexual hcv transmission, socioeconomic status

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