Dataset Information

Increased Health Care Resource Utilization and Costs Associated with Herpes Zoster Among Patients Aged ≥50 Years with Chronic Obstructive Pulmonary Disease in the United States.

ABSTRACT:

Background

Patients with chronic obstructive pulmonary disease (COPD) are potentially at increased risk of herpes zoster (HZ). Little is known about the impact of an HZ episode on health care resource utilization (HRU) and costs among patients with COPD.

Methods

This retrospective cohort study of individuals aged ≥50 years in the United States (US) used administrative claims data from Optum's de-identified Clinformatics Data Mart Database for commercially insured and Medicare Advantage members (2013-2018). Two cohorts of patients with COPD, with HZ (COPD+/HZ+) and without HZ (COPD+/HZ-), were identified. All-cause and COPD-related HRU rates and costs (2018 US dollars) were compared between cohorts for up to 12 months of follow-up. Comparisons were controlled for baseline differences through propensity score adjustment.

Results

A total of 3415 COPD+/HZ+ and 35,360 COPD+/HZ- patients (mean ages 73.2 ± 9.0 and 72.4 ± 9.4 years, respectively) were identified. Patients in the COPD+/HZ+ versus COPD+/HZ- cohort had increased use of all-cause (adjusted incidence rate ratio [aIRR] 1.17; 95% confidence interval [CI] 1.14, 1.21) and COPD-related (aIRR 1.27; 95% CI 1.21, 1.34) medical services (both P<0.001) and higher mean total all-cause ($4140 versus $3749 per person per month [PPPM]; adjusted cost difference +$313 PPPM) and COPD-related ($1541 versus $1231 PPPM; +$152 PPPM) costs (both P<0.004) in the year after HZ.

Conclusions

HRU and cost burden is higher in patients with COPD with vs without HZ. These results could help to estimate the potential cost benefits of HZ vaccination among patients with COPD.

SUBMITTER: Ghaswalla P

PROVIDER: S-EPMC8686847 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Abstract Background The recombinant herpes zoster (HZ) subunit vaccine (HZ/su) has shown efficacy against HZ in adults ?50 and ?70 years of age (YOA), in two pivotal Phase III clinical trials (NCT01165177, NCT01165229). A pooled safety analysis of data from these two efficacy studies was performed, including a comparative analysis on HZ/su vs. placebo groups, to provide a comprehensive understanding of the HZ/su safety profile. Methods Two pivotal, randomized, placebo-controlled Phase III studies, assessed the efficacy, reactogenicity and safety of HZ/su, administered intramuscularly according to a 0, 2-month schedule. Solicited and unsolicited adverse events (AEs) were collected for 7 and 30 days after each dose, respectively; serious AEs (SAEs) for 1 year after last dose; fatal and related SAEs and potential immune-mediated diseases (pIMDs) during the entire study period. Reactogenicity was assessed in a subset of participants; safety was assessed in all vaccinated participants. Results 29,305 participants ?50 YOA (HZ/su: 14,645; placebo: 14,660) were included in the pooled analysis. HZ/su was more reactogenic than placebo. Local reactions were mostly mild to moderate in intensity and transient (median duration = 3 days); the percentages of participants reporting SAEs, fatal SAEs and pIMDs were similar in both groups, at 30 days and 1 year after last dose (Figures 1 and 2). Percentages of fatal SAEs ranged between 4.3% (95% Confidence Interval [CI]: 4.0–4.7) and 4.6% (95% CI: 4.3–5.0) and pIMDs between 1.2% (95% CI: 1.1–1.4) and 1.4% (95% CI: 1.2–1.6), in HZ/su and placebo groups, respectively. In both groups, the most frequent causes of death were neoplasms, cardiac disorders, and respiratory tract infections and infestations, and most frequent pIMDs were polymyalgia rheumatica, rheumatoid arthritis and psoriasis. Conclusion No safety concern was identified. Together with the high efficacy against HZ (97.2% [95% CI: 93.7–99.0],1 91.3% [95% CI: 86.8–94.5]2), the safety data supports a favorable benefit/risk profile of HZ/su in participants ?50 YOA. Funding GlaxoSmithKline Biologicals SA Disclosures M. López-Fauqued, GSK Biologicals’: Employee, Salary; ?L. Campora, GSK Biologicals’: Employee, Salary; F. Delannois, GSK Vaccines: Employee, Salary; M. El Idrissi, GSK Vaccines: Employee, Salary; E. Ledent, GSK Vaccines: Employee, Salary; J. Diez-Domingo, GSK Vaccines: Consultant and Investigator, Educational support and Research grant; J. McElhaney, GSK Vaccines: Scientific Advisor, Speaker honorarium; S. McNeil, GSK/Merck: Grant Investigator, Investigator and Scientific Advisor, Consulting fee, Grant recipient, Research grant, Research support and Speaker honorarium; F. De Looze, GSK Vaccines: Investigator and Research Contractor, Research support; F. Tavares Da Silva, GSK Vaccines: Employee, restricted shares and Salary