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Background Vaccination against hepatitis B virus (HBV) is recommended for dialysis patients. Two reports comparing seroprotection (SP) rates following HepB and HepB-CpG in vaccine-naïve patients with chronic kidney disease enrolled few dialysis patients (n = 122 combined). SP rates in a subset of dialysis patients were not reported or not powered to detect statistically significant differences. SP rates in those requiring additional vaccine series or booster doses are not known. Methods A retrospective cohort analysis including dialysis patients completing HepB or HepB-CpG vaccination between January 2019 and December 2020. Vaccine-naïve patients received a series of HepB or HepB-CpG (Series 1). A repeat series was given to nonresponders (Series 2). A booster regimen consists of one dose of either vaccine. Primary outcome was achieving SP (anti-HBs >10 mIU/mL) at least 60 days after the last HBV vaccine dose for Series 1 and Series 2, and achieving SP at least 3 weeks post-booster. Results For Series 1 (n = 3509), SP after HepB vaccination was significantly higher (62.9% versus 50.1% for HepB-CpG; P Conclusions SP rates in hepatitis B vaccine-naïve dialysis patients administered a recommended four doses of HepB were higher than those recommended two doses of HepB-CpG. SP rates were higher and achieved sooner if HepB-CpG was utilized initially and, if needed, for Series 2. Optimal HepB-CpG dosing deserves further study.

Background. End-stage renal disease (ESRD) patients are prescribed numerous medications. The United States Renal Data System (USRDS) reported on medication prescribing patterns in 1998. Since then, several new medications, treatment guidelines and recommendations have been introduced. The objective was to analyse and compare haemodialysis (HD) patient medication prescribing patterns between the Dialysis Clinic, Inc. (DCI) database and the USRDS report. Methods. Point-prevalent (01/01/03) medication use data from the DCI national database was obtained. Data collected included patient demographics, reason for and duration of ESRD, and medication listed on profile. All medications were classified similar to the USRDS and by where taken (clinic vs home). Medication prescribing patterns were compared between DCI and USRDS databases. Comparisons between age groups (