CMAJ open · 2019
Variable access to antiviral treatment of chronic hepatitis B in Canada: a descriptive study.
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Congly Stephen E, Brahmania Mayur
Аннотация
BACKGROUND: Antiviral treatment for chronic hepatitis B is costly, which presents challenges for universal drug coverage for the estimated 480 000 people with the disease in Canada. We appraised criteria for reimbursement of chronic hepatitis B antivirals by public drug plans in Canada.
METHODS: In this descriptive study, we reviewed the reimbursement criteria for lamivudine, adefovir, tenofovir, entecavir, telbivudine, pegylated or standard interferon, and emtricitabine-tenofovir in the 10 provinces and the Yukon Territory as well as 3 federal programs: Correctional Services Canada, Veterans' Affairs and the Non-Insured Health Benefits Program. We extracted data from publicly available formularies. The primary outcomes extracted were prescriber details, reimbursement regulations and published list price.
RESULTS: All public drug insurance plans limit access to antiviral treatment in patients with chronic hepatitis B based on viral characteristics, fibrosis stage and/or specialist approval. Lamivudine use is restricted only in British Columbia and Ontario. Six plans (43%) cover entecavir or tenofovir with no restriction, and 8 plans (57%) cover these agents if patients have advanced fibrosis/cirrhosis. Nine plans (64%) provide coverage of interferon, although 4 of these programs reimburse only nonpegylated interferon, which is not currently recommended for chronic hepatitis B treatment.
INTERPRETATION: We found substantial variability among jurisdictions in reimbursement criteria for the treatment of chronic hepatitis B in Canada. The findings can inform health policy and support the development and adoption of a national chronic hepatitis B strategy to ensure equitable and timely access to treatment no matter where patients reside in Canada.
METHODS: In this descriptive study, we reviewed the reimbursement criteria for lamivudine, adefovir, tenofovir, entecavir, telbivudine, pegylated or standard interferon, and emtricitabine-tenofovir in the 10 provinces and the Yukon Territory as well as 3 federal programs: Correctional Services Canada, Veterans' Affairs and the Non-Insured Health Benefits Program. We extracted data from publicly available formularies. The primary outcomes extracted were prescriber details, reimbursement regulations and published list price.
RESULTS: All public drug insurance plans limit access to antiviral treatment in patients with chronic hepatitis B based on viral characteristics, fibrosis stage and/or specialist approval. Lamivudine use is restricted only in British Columbia and Ontario. Six plans (43%) cover entecavir or tenofovir with no restriction, and 8 plans (57%) cover these agents if patients have advanced fibrosis/cirrhosis. Nine plans (64%) provide coverage of interferon, although 4 of these programs reimburse only nonpegylated interferon, which is not currently recommended for chronic hepatitis B treatment.
INTERPRETATION: We found substantial variability among jurisdictions in reimbursement criteria for the treatment of chronic hepatitis B in Canada. The findings can inform health policy and support the development and adoption of a national chronic hepatitis B strategy to ensure equitable and timely access to treatment no matter where patients reside in Canada.