Immunity to Hepatitis B is Undetectable in the Majority of Adolescents and Young Adults Seeking Outpatient Medication Treatment for Opioid Use Disorder.

Authors:

Samuel W Stull Erin R McKnight Steven C Matson Andrea E Bonny

J Addict Med 2020 12;14(6):e359-e361

Department of Biobehavioral Health, The Pennsylvania State University, PA (SWS); Division of Adolescent Medicine, Nationwide Children's Hospital, Columbus, OH (SWS, ERM, SCM, AEB); Department of Pediatrics, The Ohio State University College of Medicine, Columbus, OH (ERM, SCM, AEB); Center for Clinical and Translational Research, The Research Institute at Nationwide Children's Hospital, Columbus, OH (AEB).

Objective: To assess prevalence and predictors of hepatitis B immune status among adolescents and young adults (AYA) seeking outpatient medication treatment for opioid use disorder (MOUD).

Study Design: A retrospective medical chart review was conducted of AYA seeking MOUD between January 1, 2013 through December 31, 2015. Inclusion criteria included: diagnosis of opioid use disorder according to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition; received hepatitis serologic testing; and no evidence of prior or current hepatitis B infection. Hepatitis B immunization initiation was defined as a record of at least 1 hepatitis B vaccination; while receipt of at least 3 vaccinations indicated immunization completion. The presence of hepatitis B surface antibody (anti-HBs) was the primary outcome measure.

Results: Of the 193 patients that met eligibility criteria, the presence of anti-HBs was evident in 62 (32.1%). Hepatitis B immunization initiation and completion before presenting for MOUD was documented in 102 (52.9%) and 84 (43.5%). In multivariable logistic regression modeling, hepatitis B immunization initiation after infancy was associated with increased odds of having protective anti-HBs relative to immunization series initiation in infancy (OR 8.96, 95% CI 1.57-51.05). Completion of hepatitis B immunization series after infancy as compared to completion in infancy also increased the odds of protective anti-HBs (OR, 6.68, 95% CI 2.10-21.24).

Conclusions: Rates of immunity to hepatitis B were low in AYA seeking MOUD. It is important to immunize patients seeking MOUD for hepatitis B and follow up with checks for seroconversion.

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December 2020

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