Dataset Information

Immunogenicity and safety of an adjuvanted herpes zoster subunit candidate vaccine in adults ? 50 years of age with a prior history of herpes zoster: A phase III, non-randomized, open-label clinical trial.

ABSTRACT: This phase III, non-randomized, open-label, multi-center study (NCT01827839) evaluated the immunogenicity and safety of an adjuvanted recombinant subunit herpes zoster (HZ) vaccine (HZ/su) in adults aged ? 50 y with prior physician-documented history of HZ. Participants (stratified by age: 50-59, 60-69 and ? 70 y) received 2 doses of HZ/su 2 months apart and were followed-up for another 12 months. Anti-glycoprotein E (gE) antibodies were measured by enzyme-linked immunosorbent assay before vaccination and 1 month after the second dose (Month 3). Solicited local and general adverse events (AEs) were recorded for 7 d and unsolicited AEs for 30 d after each vaccination. Serious AEs were recorded until study end. The primary immunogenicity objective was met if the lower limit of the 95% confidence interval (CI) of the vaccine response rate (VRR), defined as a 4-fold increase in anti-gE over baseline, at Month 3 was ? 60%. 96 participants (32/age group) were enrolled. The primary immunogenicity objective was met, as the VRR at Month 3 was 90.2% (95% CI: 81.7-95.7). Geometric mean anti-gE antibody concentrations at Month 3 were similar across age groups. 77.9% and 71.6% of participants reported local and general solicited AEs, respectively. The most frequent solicited AEs were pain at injection site, fatigue, headache, myalgia and shivering. The HZ/su vaccine was immunogenic in adults aged ? 50 y with a physician-documented history of HZ, and no safety concerns were identified.

SUBMITTER: Godeaux O

PROVIDER: S-EPMC5443374 | biostudies-literature | 2017 May

REPOSITORIES: biostudies-literature

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Immunogenicity and safety of an adjuvanted herpes zoster subunit candidate vaccine in adults ≥ 50 years of age with a prior history of herpes zoster: A phase III, non-randomized, open-label clinical trial.

Godeaux Olivier O Kovac Martina M Shu Daniel D Grupping Katrijn K Campora Laura L Douha Martine M Heineman Thomas C TC Lal Himal H

Human vaccines & immunotherapeutics 20170109 5

This phase III, non-randomized, open-label, multi-center study (NCT01827839) evaluated the immunogenicity and safety of an adjuvanted recombinant subunit herpes zoster (HZ) vaccine (HZ/su) in adults aged ≥ 50 y with prior physician-documented history of HZ. Participants (stratified by age: 50-59, 60-69 and ≥ 70 y) received 2 doses of HZ/su 2 months apart and were followed-up for another 12 months. Anti-glycoprotein E (gE) antibodies were measured by enzyme-linked immunosorbent assay before vacci ...[more]

PMID: 28068212

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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

Dataset Information

Immunogenicity and safety of an adjuvanted herpes zoster subunit candidate vaccine in adults ? 50 years of age with a prior history of herpes zoster: A phase III, non-randomized, open-label clinical trial.

Publications

Immunogenicity and safety of an adjuvanted herpes zoster subunit candidate vaccine in adults ≥ 50 years of age with a prior history of herpes zoster: A phase III, non-randomized, open-label clinical trial.

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