نبذة مختصرة : Introduction: The World Health Organization has targeted the elimination of hepatitis C and B by 2030, to ensure that 90% of people with chronic infection are diagnosed and 80% are treated. France has planned to achieve this goal for hepatitis C by 2025. This work aims to estimate the cascade of care for chronic hepatitis C in mainland France: 1) in 2016, in order to have a first point for monitoring the elimination; 2) in 2011 to assess the impact of direct-acting antivirals (DAAs) on HCV cascade of care.Methods: The numbers of the following populations were estimated for 2016 (18-75 years) and 2011 (18-80 years): 1) with chronic hepatitis C; 2) aware of their infection; 3) in care for chronic hepatitis C during the year; 4) undergoing antiviral treatment during the year. Estimates 1) and 2) were based on: for 2016, a cross-sectional survey, with a biological component, carried out on a random sample of the general metropolitan population; for 2011, on models. Estimates 3) and 4) were made from the National Health Insurance Information System (SNDS), by: i) constructing, for 3), an algorithm for identifying people in care for chronic hepatitis C in the year; ii) taking into account all antiviral treatments for 4).Results: Between 2011 and 2016, the number of people with chronic hepatitis C decreased by 31%, from 192,700 to 133,500. The number of people aware of their infection remained stable: 111,300 in 2011 and 107,600 in 2016. The proportion of chronically infected persons with knowledge of their infection has thus increased from 58% to 81%. Between 2011 and 2016, the number of people identified as being in care for their hepatitis in the year increased from 28,000 (15% of those infected) to 34,300 (26% of those infected). At the same time, the number of people being treated increased from 12,900 (7% of those infected) in 2011 to 16,100 in 2016 (12% of those infected).Conclusion: This work provides, for the first time, estimates of the cascade of care for chronic hepatitis C in mainland France, before and ...
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