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1.
J Viral Hepat ; 28(11): 1624-1634, 2021 11.
Artículo en Inglés | MEDLINE | ID: mdl-34415639

RESUMEN

Financial incentives may reduce opportunity costs associated with people who become lost to follow-up in hepatitis C treatment programs. We estimated the impact that different financial incentive amounts would need to have on retention in care to maintain the same unit cost per (1) RNA-positive person completing testing (defined as awareness of RNA status) and (2) RNA diagnosed person initiating treatment. Costing data were obtained from a 2019 community-based testing campaign focused on engaging people who inject drugs. For different financial incentive amounts, we modelled the corresponding improvements in retention in care that would be needed to maintain the same overall (1) unit cost per testing completion and (2) unit cost per treatment initiation. In the testing campaign, the unit cost per RNA-positive person completing testing was A$3215 and the unit cost per RNA diagnosed person initiating treatment was A$1055. Modelling found that an incentive of A$500 per RNA-positive person completing testing would result in more people completing testing for the same unit cost if the percentage of attendees receiving their test results increased from 63% to 74%. An incentive of A$200 per RNA diagnosed person initiating treatment would result in more people initiating treatment for the same unit cost if the percentage initiating treatment increased from 67% to 83%. Monetary incentives for completing testing and initiating treatment may be an effective way to increase retention in care without increasing the overall unit cost of completing testing/initiating treatment.


Asunto(s)
Hepatitis C , Motivación , Hepatitis C/diagnóstico , Hepatitis C/tratamiento farmacológico , Humanos , Pruebas Serológicas
2.
J Gastroenterol Hepatol ; 36(8): 2270-2274, 2021 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-33691343

RESUMEN

BACKGROUND AND AIM: The recent downward revision of the estimated number of people living with chronic hepatitis C in Australia means that the annual number of new hepatitis C infections should also be revised. We aimed to estimate the annual number of new hepatitis C infections among people who inject drugs (PWID) in Australia in 2015, prior to the introduction of direct-acting antiviral (DAA) treatment for hepatitis C, as an updated baseline measure for assessing the impact of DAAs on hepatitis C incidence over the next 10 years. METHODS: A systematic review identified articles estimating hepatitis C incidence rates among PWID between 2002 and 2015. Reported incidence rates were adjusted to account for unrepresentative needle and syringe program (NSP) coverage among study participants compared with PWID overall. The total number of PWID in Australia and the hepatitis C RNA prevalence among PWID were taken from published estimates. The annual number of new infections was estimated by multiplying the pooled NSP coverage-adjusted incidence rate by the number of susceptible PWID in 2015. RESULTS: Five studies were included, with unadjusted incidence rates ranging from 7.6 to 12.8 per 100 person-years. The overall pooled incidence rate (after adjusting for NSP coverage) was 9.9 per 100 person-years (95% confidence interval: 8.3-11.8). This led to an estimate of 4126 (range 2499-6405) new hepatitis C infections in 2015. CONCLUSIONS: Our updated estimate provides an important baseline for evaluating the impact of hepatitis C elimination efforts and can be used to validate outcomes of future modeling studies.


Asunto(s)
Hepatitis C , Abuso de Sustancias por Vía Intravenosa , Antivirales/uso terapéutico , Hepacivirus/genética , Hepatitis C/tratamiento farmacológico , Hepatitis C/epidemiología , Hepatitis C Crónica/tratamiento farmacológico , Hepatitis C Crónica/epidemiología , Humanos
3.
Liver Int ; 39(12): 2244-2260, 2019 12.
Artículo en Inglés | MEDLINE | ID: mdl-31125496

RESUMEN

BACKGROUND AND AIMS: Direct-acting antivirals (DAAs) are highly effective in treating hepatitis C. However, there is concern that cure rates may be lower, and reinfection rates higher, among people who inject drugs. We conducted a systematic review of treatment outcomes achieved with DAAs in  people who inject drugs (PWID). METHODS: A search strategy was used to identify studies that reported sustained viral response (SVR), treatment discontinuation, adherence or reinfection in recent PWID and/or opioid substitution therapy (OST) recipients. Study quality was assessed using the Newcastle-Ottawa Scale. Meta-analysis of proportions was used to estimate pooled SVR and treatment discontinuation rates. The pooled relative risk of achieving SVR and pooled reinfection rate were calculated using generalized mixed effects linear models. RESULTS: The search identified 8075 references; 26 were eligible for inclusion. The pooled SVR for recent PWID was 88% (95% CI, 83%-92%) and 91% (95% CI 88%-95%) for OST recipients. The relative risk of achieving SVR for recent PWID compared to non-recent PWID was 0.99 (95% CI, 0.94-1.06). The pooled treatment discontinuation was 2% (95% CI, 1%-4%) for both recent PWID and OST recipients. Amongst recent PWID, the pooled incidence of reinfection was 1.94 per 100 person years (95% CI, 0.87-4.32). In OST recipients, the incidence of reinfection was 0.55 per 100 person years (95% CI, 0.17-1.76). CONCLUSIONS: Treatment outcomes were similar in recent PWID compared to non-PWID treated with DAAs. People who report recent injecting or OST recipients should not be excluded from hepatitis C treatment.


Asunto(s)
Antivirales/uso terapéutico , Consumidores de Drogas , Hepatitis C/tratamiento farmacológico , Humanos , Cumplimiento de la Medicación , Tratamiento de Sustitución de Opiáceos , Respuesta Virológica Sostenida
4.
Int J Drug Policy ; 76: 102633, 2020 02.
Artículo en Inglés | MEDLINE | ID: mdl-31869656

RESUMEN

BACKGROUND: Hepatitis C virus elimination may be possible by scaling up direct-acting antiviral (DAA) treatment. Due to the safety and simplicity of DAA treatment, primary care-based treatment delivery is now feasible, efficacious and may be cheaper than hospital-based specialist care. In this paper, we use Prime Study data - a randomised controlled trial comparing the uptake of DAA treatment between primary and hospital-based care settings amongst people who inject drugs (PWID) - to estimate the cost of initiating treatment for PWID diagnosed with hepatitis C in primary care compared to hospital-based care. METHODS: The total economic costs associated with delivering DAA treatment (post hepatitis C diagnosis) within the Prime study - including health provider time/training, medical tests, equipment, logistics and pharmacy costs - were collected. Appointment data were used to estimate the number/type of appointments required to initiate treatment in each case, or the stage at which loss to follow up occurred. RESULTS: Among the hepatitis C patients randomised to be treated within primary care, 43/57 (75%) commenced treatment at a mean cost of A$885 (95% CI: A$850-938) per patient initiating treatment. In hospital-based care, 18/53 hepatitis C patients (34%) commenced treatment at a mean cost of A$2078 (range: A$2052-2394) per patient initiating treatment - more than twice as high as primary care. The lower cost in the primary care arm was predominantly the result of increased retention in care compared to the hospital-based arm. CONCLUSIONS: Compared to hospital-based care, providing hepatitis C services for PWID in primary care can improve treatment uptake and approximately halve the average cost of treatment initiation. To improve treatment uptake and cure, countries should consider primary care as the main model for hepatitis C treatment scale-up.


Asunto(s)
Hepatitis C Crónica , Hepatitis C , Abuso de Sustancias por Vía Intravenosa , Antivirales/uso terapéutico , Análisis Costo-Beneficio , Hepatitis C/tratamiento farmacológico , Hepatitis C Crónica/tratamiento farmacológico , Hospitales , Humanos , Abuso de Sustancias por Vía Intravenosa/tratamiento farmacológico
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