The natural history of hepatitis C infection acquired through injection drug use: Meta-analysis and meta-regression

2010 ◽  
Vol 53 (2) ◽  
pp. 245-251 ◽  
Author(s):  
Ava John-Baptiste ◽  
Murray Krahn ◽  
Jenny Heathcote ◽  
Audery Laporte ◽  
George Tomlinson
2009 ◽  
Vol 23 (11) ◽  
pp. 915-923 ◽  
Author(s):  
Toni Frederick ◽  
Pamela Burian ◽  
Norah Terrault ◽  
Mardge Cohen ◽  
Michael Augenbraun ◽  
...  

Hepatology ◽  
2004 ◽  
Vol 40 (3) ◽  
pp. 516-519 ◽  
Author(s):  
Thomas F. Kresina ◽  
Leonard B. Seeff ◽  
Henry Francis

2019 ◽  
Vol 10 (3) ◽  
pp. 9-18
Author(s):  
Linh-Vi Le ◽  
Siobhan O’Connor ◽  
Tram Hong Tran ◽  
Lisa Maher ◽  
John Kaldor ◽  
...  

Objective: The World Health Organization’s guidelines on viral hepatitis testing and treatment recommend prioritizing high prevalence groups. Hepatitis C virus (HCV) infection disproportionately affects people who inject drugs and men who have sex with men, but data on female sex workers (FSW) are limited. The study aimed to determine active HCV infection and risk factors associated with HCV exposure among Vietnamese FSW. Methods: We surveyed 1886 women aged ≥ 18 years from Haiphong, Hanoi and Ho Chi Minh City who had sold sex in the last month. We tested for HCV antibody and HCV core antigen as markers for exposure to HCV and active infection, respectively. Results: Across these provinces, high prevalence of HCV exposure (8.8–30.4%) and active infection (3.6–22.1%) were observed. Significant associations with HCV exposure were HIV infection (aOR = 23.7; 95% CI: 14.8–37.9), injection drug use (aOR = 23.3; 95% CI: 13.1–41.4), history of compulsory detention (aOR = 2.5; 95% CI: 1.4–4.2) and having more than 10 sex clients in the last month (aOR = 1.9; 95% CI: 1.2–3.2). Among FSW who reported never injecting drugs, HIV infection (aOR = 24.2; 95% CI: 14.8–39.4), a history of non-injection drug use (aOR = 3.3, CI: 1.8–5.7), compulsory detention (aOR = 2.2; 95% CI: 1.2–4.0) and having over 10 sex clients in the last month (aOR = 2.2, 95% CI: 1.3–3.7) were independently associated with HCV exposure. Discussion: FSW have elevated HCV risks through sex- and drug-related pathways. These findings highlight the need to offer FSW-targeted HCV interventions and ensure their access to HIV prevention and treatment.


2015 ◽  
Vol 26 (1) ◽  
pp. 17-22 ◽  
Author(s):  
Ann N Burchell ◽  
Sandra L Gardner ◽  
Tony Mazzulli ◽  
Michael Manno ◽  
Janet Raboud ◽  
...  

BACKGROUND: Internationally, there is a growing recognition that hepatitis C virus (HCV) may be sexually transmitted among HIV-positive men who have sex with men (MSM).OBJECTIVE: To report the first Canadian estimate of HCV seroincidence in 2000 to 2010 and its risk factors among HIV-positive MSM with no known history of injection drug use.METHODS: Data from the Ontario HIV Treatment Network Cohort Study, an ongoing cohort of individuals in HIV care in Ontario, were analyzed. Data were obtained from medical charts, interviews and record linkage with the provincial public health laboratories. The analysis was restricted to 1534 MSM who did not report injection drug use and had undergone ≥2 HCV antibody tests, of which the first was negative (median 6.1 person-years [PY] of follow-up; sum 9987 PY).RESULTS: In 2000 to 2010, 51 HCV seroconversions were observed, an overall incidence of 5.1 per 1000 PY (95% CI 3.9 to 6.7). Annual incidence varied from 1.6 to 8.9 per 1000 PY, with no statistical evidence of a temporal trend. Risk for seroconversion was elevated among men who had ever had syphilis (adjusted HR 2.5 [95% CI 1.1 to 5.5) and men who had acute syphilis infection in the previous 18 months (adjusted HR 2.8 [95% CI 1.0 to 7.9]). Risk was lower for men who had initiated antiretroviral treatment (adjusted HR 0.49 [95% CI 0.25 to 0.95]). There were no statistically significant effects of age, ethnicity, region, CD4 cell count or HIV viral load.CONCLUSIONS: These findings suggest that periodic HCV rescreening may be appropriate in Ontario among HIV-positive MSM. Future research should seek evidence whether syphilis is simply a marker for high-risk sexual behaviour or networks, or whether it potentiates sexual HCV transmission among individuals with HIV.


2006 ◽  
Vol 36 ◽  
pp. S201-S202
Author(s):  
J. Buffington ◽  
P. Murray ◽  
K. Schlanger ◽  
L. Shih ◽  
T. Badsgard ◽  
...  

2019 ◽  
Vol 6 (Supplement_2) ◽  
pp. S81-S82
Author(s):  
Magnus Gottfredsson ◽  
Valgerdur Runarsdottir ◽  
Thorvardur J Love ◽  
Ragnheidur H Fridriksdottir ◽  
Bryndis Sigurdardottir ◽  
...  

Abstract Background The main driver of the Hepatitis C virus (HCV) epidemic in most western countries is injection drug use (IDU) among people who inject drugs (PWID). Iceland has provided unrestricted access to direct-acting antiviral agents (DAA) to all HCV-infected patients in the country covered by national health insurance, by a program entitled Treatment as Prevention for Hepatitis C (TraP HepC) from 2016 and is on track to become among the first to achieve the WHO goals of eliminating HCV as a public health threat. Methods We analyzed data regarding testing for HCV, incidence of IDU, prevalence of HCV viremia among PWID, drug use in the community and trends in homelessness prior to and during the first 24 months of TraP HepC to monitor outcomes and identify new or persistent challenges. Results Intensity of nationwide testing for HCV increased by 22% in 2016, 60% in 2017, and 81% in 2018 compared with previous years (P < 0.001). During 2016–2018 the incidence of new injection drug use, as surveyed among those admitted for addiction treatment increased by 48%. The total number of PWID admitted annually with HCV viremia however remained relatively stable during the entire period (2010–2018). The prevalence of HCV viremia among people recently injecting drugs admitted for addiction treatment however dropped from 48.7% to 16.2% in 2017, and to 10.2% in 2018 (P < 0.001). Analysis of data regarding stimulant use, as measured by drug levels in wastewater shows an almost threefold increase of amphetamine and an eightfold increase in cocaine levels during 2016–2018 compared with 2015. Concurrently, the number of homeless has doubled. Two years into TraP HepC > 80% of the estimated total HCV-infected population were started on their first course of DAAs. By intention to treat analysis, the cure rate was 92.4% among patients without history of IDU in the past 6 months, compared with 82.9% among active IDU (P = 0.0006); those with history of recent IDU were more likely to discontinue (P < 0.0001). Homelessness carried the highest relative risk (RR) of treatment failure (RR = 2.4, P = 0.008), mostly due to discontinuation. Conclusion Iceland is on track to eliminate HCV, but challenges such as increasing drug use in the community and homelessness need to continuously monitored and addressed; they may jeopardize the success of elimination efforts. Disclosures All Authors: No reported Disclosures.


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