Mamta K Jain1,2, Mae Thamer3, George Therapondos4, Mitchell L Shiffman5, Onkar Kshirsagar3, Christopher Clark2, Robert J Wong6. 1. Division of Infectious Diseases, University of Texas Southwestern Medical Center, Dallas, TX. 2. Parkland Health and Hospital System, Dallas, TX. 3. Medical Technology and Practice Patterns Institute, Bethesda, MD. 4. Multi-Organ Transplant Institute, Ochsner Health System, New Orleans, LA. 5. Liver Institute of Virginia, Bon Secours Health System, Richmond, VA. 6. Division of Gastroenterology & Hepatology, Alameda Health System - Highland Hospital, Oakland, CA.
Abstract
Direct-acting antivirals (DAA) for hepatitis C virus (HCV) became available in 2014, but the role of mental health or substance use disorders (MH/SUD) on access to treatment is unknown. The objective of this study was to examine the extent and predictors of HCV treatment in the pre-DAA and post-DAA periods in four large, diverse health care settings in the United States. We conducted a retrospective analysis of 29,544 adults with chronic HCV who did or did not receive treatment from January 1, 2011, to February 28, 2017. Kaplan-Meier curve was used to examine cumulative risk for receiving HCV treatment stratified by MH/SUD. Predictors of HCV treatment in the pre-DAA (January 1, 2011, to December 31, 2013) and post-DAA (January 1, 2014, to February 28, 2017) cohorts were analyzed using multivariate generalized estimating equations and a modified Poisson model. Overall, 21.7% (2,879/13,240) of those with chronic HCV post-DAA were treated compared with 3.5% (574/16,304) in the pre-DAA period. Compared with non-Hispanic whites, Hispanic whites (adjusted odds ratio [AOR] 0.36; 95% confidence interval [CI], 0.25, 0.52) were less likely to be treated in the post-DAA period. Those with concurrent nonalcoholic fatty liver disease (AOR 1.39; 95% CI, 1.05, 1.83), cirrhosis (AOR 2.00; 95% CI, 1.74, 2.31), and liver transplant (AOR 2.72; 95% CI, 1.87, 3.94) were more likely to be treated post-DAA. Those with MH/SUD were less likely to be treated both before (AOR 0.46; 95% CI, 0.36, 0.60) and after (AOR 0.63; 95% CI, 0.55, 0.71) DAA therapy was available. Overall, the cumulative risk for receiving HCV treatment from 2011 to 2017 among those with versus without MH/SUD was 13.6% versus 21.6%, respectively (P < 0.001). Conclusion: The volume of patients treated for HCV has increased in the post-DAA period, especially among those with liver-related comorbidities, but disparities in access to treatment continue among those with MH/SUD.
Direct-acting antivirals (DAA) for hepatitis C virus (HCV) became available in 2014, but the role of mental health or substance use disorders (MH/SUD) on access to treatment is unknown. The objective of this study was to examine the extent and predictors of HCV treatment in the pre-DAA and post-DAA periods in four large, diverse health care settings in the United States. We conducted a retrospective analysis of 29,544 adults with chronic HCV who did or did not receive treatment from January 1, 2011, to February 28, 2017. Kaplan-Meier curve was used to examine cumulative risk for receiving HCV treatment stratified by MH/SUD. Predictors of HCV treatment in the pre-DAA (January 1, 2011, to December 31, 2013) and post-DAA (January 1, 2014, to February 28, 2017) cohorts were analyzed using multivariate generalized estimating equations and a modified Poisson model. Overall, 21.7% (2,879/13,240) of those with chronic HCV post-DAA were treated compared with 3.5% (574/16,304) in the pre-DAA period. Compared with non-Hispanic whites, Hispanic whites (adjusted odds ratio [AOR] 0.36; 95% confidence interval [CI], 0.25, 0.52) were less likely to be treated in the post-DAA period. Those with concurrent nonalcoholic fatty liver disease (AOR 1.39; 95% CI, 1.05, 1.83), cirrhosis (AOR 2.00; 95% CI, 1.74, 2.31), and liver transplant (AOR 2.72; 95% CI, 1.87, 3.94) were more likely to be treated post-DAA. Those with MH/SUD were less likely to be treated both before (AOR 0.46; 95% CI, 0.36, 0.60) and after (AOR 0.63; 95% CI, 0.55, 0.71) DAA therapy was available. Overall, the cumulative risk for receiving HCV treatment from 2011 to 2017 among those with versus without MH/SUD was 13.6% versus 21.6%, respectively (P < 0.001). Conclusion: The volume of patients treated for HCV has increased in the post-DAA period, especially among those with liver-related comorbidities, but disparities in access to treatment continue among those with MH/SUD.
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