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Herpes Zoster in Autologous Hematopoietic Cell Transplant Recipients in the Era of Acyclovir or Valacyclovir Prophylaxis and Novel Treatment and Maintenance Therapies.

ABSTRACT: The epidemiology of herpes zoster (HZ) in contemporary autologous hematopoietic cell transplant (HCT) recipients, and the impact of acyclovir (ACV)/valacyclovir (VACV) prophylaxis, is not well described. In this observational study from 2002 to 2010, we retrospectively identified 1000 varicella zoster virus (VZV)-seropositive autologous HCT recipients with up to 5 years of follow-up. The incidence of HZ and use of ACV/VACV prophylaxis were determined through review of medical records and mailed questionnaires. Risk factors for HZ were determined by multivariable Cox regression. Over a period of 5 years after autologous HCT, 194 patients developed at least 1 HZ episode, with a cumulative incidence of 21%; 159 of 194 (82%) were not on prophylaxis at the time of HZ. A second episode of HZ occurred in 31 of 194 (16%) patients. Patients taking ACV/VACV had reduced risk for HZ (adjusted hazard ratio [aHR], .59; 95% confidence interval [CI], .37 to .91), whereas those older than the median age (?55.5 years) had increased risk (aHR, 1.42; 95% CI, 1.05 to 1.9). Disseminated VZV was reported in 8% and postherpetic neuralgia in 13% of patients. We demonstrate a high burden of HZ late after autologous HCT, despite long-term antiviral prophylaxis. Improved prevention strategies are needed to provide sustained protection against HZ after autologous HCT.

SUBMITTER: Sahoo F

PROVIDER: S-EPMC5373666 | biostudies-literature | 2017 Mar

REPOSITORIES: biostudies-literature

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Herpes Zoster in Autologous Hematopoietic Cell Transplant Recipients in the Era of Acyclovir or Valacyclovir Prophylaxis and Novel Treatment and Maintenance Therapies.

Sahoo Farah F Hill Joshua A JA Xie Hu H Leisenring Wendy W Yi Jessica J Goyal Sonia S Kimball Louise E LE Lee Ingi I Seo Sachiko S Davis Chris C Pergam Stephen A SA Flowers Mary E ME Liaw Kai-Li KL Holmberg Leona L Boeckh Michael M

Biology of blood and marrow transplantation : journal of the American Society for Blood and Marrow Transplantation 20161228 3

The epidemiology of herpes zoster (HZ) in contemporary autologous hematopoietic cell transplant (HCT) recipients, and the impact of acyclovir (ACV)/valacyclovir (VACV) prophylaxis, is not well described. In this observational study from 2002 to 2010, we retrospectively identified 1000 varicella zoster virus (VZV)-seropositive autologous HCT recipients with up to 5 years of follow-up. The incidence of HZ and use of ACV/VACV prophylaxis were determined through review of medical records and mailed ...[more]

PMID: 28039754

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Project description:IntroductionThere are no real-world data on antiviral prophylaxis (AP) duration and risk of herpes zoster (HZ) given AP duration in patients receiving autologous hematopoietic stem cell transplants (auto-HSCT). The objectives of this study are to describe the duration of AP and to compare incidence of HZ by AP duration in auto-HSCT patients.MethodsThis is a retrospective, observational database (Marketscan®) study. This study included patients ≥18 years old who had auto-HSCT during 2009-2013, had chemotherapy within 60 days prior to auto-HSCT (latest chemotherapy date within the 60 days was the study enrollment date), and had continuous health plan enrollment for at least 365 days before and after the study enrollment date. AP duration was the sum of days supply of all AP prescriptions from 30 days before to 365 days after the study enrollment date. Patients were followed from the study enrollment date to the end of continuous health plan enrollment, death, or December 31, 2014 to assess HZ incidence. The Cox proportional hazards model was used to examine the association between the risk of HZ and AP duration.ResultsThis study identified 1959 eligible auto-HSCT patients, of whom 93.0% were prescribed AP. Average AP duration was 220 days (SD = 122), while 200 (11%) patients had AP for ≥1 year. HZ incidence was 42.4/1000 person-years (PY) (95% CI 36.5, 49.0) for the overall auto-HSCT cohort. Among patients who received AP, duration of AP prescriptions and HZ incidence were inversely related. Compared with patients who were on AP for 1-89 days, patients with AP duration of 180-269 days [hazard ratio (HR) = 0.576, p = 0.019], 270-359 days (HR = 0.594, p = 0.023), and ≥360 days (HR = 0.309, p < 0.001) had significantly lower risk of HZ.ConclusionAuto-HSCT patients are at increased risk for HZ, even when prescribed AP. A safe and effective vaccine against HZ for auto-HSCT patients could be a useful adjunctive prevention strategy.

Dataset Information

Herpes Zoster in Autologous Hematopoietic Cell Transplant Recipients in the Era of Acyclovir or Valacyclovir Prophylaxis and Novel Treatment and Maintenance Therapies.

Publications

Herpes Zoster in Autologous Hematopoietic Cell Transplant Recipients in the Era of Acyclovir or Valacyclovir Prophylaxis and Novel Treatment and Maintenance Therapies.

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