Abstract:
BACKGROUND:Population-level monitoring of hepatitis C virus (HCV) infected people across the cascade of care identifies gaps in access and engagement in care and treatment. We characterized a population-level cascade of care for HCV in British Columbia (BC), Canada and identified factors associated with leakage at each stage. METHODS:The BC Hepatitis Testers Cohort (BC-HTC) includes 1.5million individuals tested for HCV, HIV, reported cases of hepatitis B, and active tuberculosis in BC from 1990 to 2013 linked to medical visits, hospitalizations, cancers, prescription drugs and mortality data. We defined six HCV cascade of care stages: 1) estimated population prevalence; 2) HCV diagnosed; 3) HCV RNA tested; 4) genotyped; 5) initiated treatment; and 6) achieved sustained virologic response (SVR). RESULTS:We estimated that 73,203 people were HCV antibody positive in BC in 2012 (undiagnosed: 18,301, 25%; diagnosed: 54,902, 75%). Of these, 56%(40,656) had HCV RNA testing; 34%(26,300) were genotyped; 12%( 8532 ) had received interferon-based therapy and 7%(5197) had SVR. Males, older birth cohorts, and HBV coinfected were less likely to undergo HCV RNA testing. Among those with chronic HCV infection, 32% had received liver-related care. Retention in liver care was more likely in those with HIV, cirrhosis, and drug/alcohol use and less likely in males and HBV coinfected. CONCLUSIONS:Although there are gaps in HCV RNA testing and genotyping after HCV diagnosis, the major gap in the cascade of care was low treatment initiation. People with comorbidities progressed through the cascade of testing and care but few received treatment.
journal_name
EBioMedicinejournal_title
EBioMedicineauthors
Janjua NZ,Kuo M,Yu A,Alvarez M,Wong S,Cook D,Wong J,Grebely J,Butt ZA,Samji H,Ramji A,Tyndall M,Krajden Mdoi
10.1016/j.ebiom.2016.08.035subject
Has Abstractpub_date
2016-10-01 00:00:00pages
189-195issn
2352-3964pii
S2352-3964(16)30390-5journal_volume
12pub_type
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